JPH0681419A - Erection of structure composed of column and floor plate and method of joining column and floor plate - Google Patents

Abstract

PURPOSE:To increase productivity, by making superposed and required (for a plurality of floors) floor plates together at once. CONSTITUTION:A plurality of columns 10 are erected at a specified place. And a plurality of pairs of floor plates 20A-20D and support members 30A-30D having the columns inserted in the openings for them respectively are manufactured by as many as necessary numbers superposed with each other on the ground. Respective floor plates and support members are raised or lowered to the joint positions of the columns along the inner peripheral face of the openings of the support members. The support members 20A-20D are joined to the columns 10 with an appropriate jointing means and after that, the floor plates are connected to the columns or the support members to construct the structure. In this way, the manufacturing mandays can be reduced and also the main body construction time and the finish process interval can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of constructing a frame composed of columns and floor plates and a method of joining columns and floor plates.

[0002]

2. Description of the Related Art A conventional frame structure composed of columns and floor plates (flat slabs) is, for example, as shown in FIGS. 18 and 19, a steel-framed reinforced concrete structure in which reinforced concrete is arranged around a steel frame column 1a which constitutes the structure ( In this specification S
A column 1 (referred to as RC), a reinforced concrete structure (referred to as RC in this specification) 2, an RC support plate, and an RC floor plate 4 are integrally formed by casting concrete for each floor.

[0003]

In the above-mentioned frame, the steps for manufacturing the floorboard are (a) building of the formwork, (b) reinforcement,
(C) Placing of concrete, (d) demolding, and it is necessary to perform these steps (a) to (d) for each floor, and the placed concrete takes a long time to develop its strength. However, there is a limit to the shortening of the construction period depending on the manufacturing procedure of this floor board. Further, in the above-mentioned frame, in order to support the RC floorboard 4 using the RC capital 2 and the RC support plate 3, the periphery of the column steel frame 1a is surrounded by the reinforced concrete to form the steel reinforced concrete column 1, and this reinforced concrete portion is the RC capital. 2. It is necessary to integrally form the RC support plate 3 and the RC floor plate 4. Therefore, the same manufacturing procedure as that for the floor board is required to build the steel-framed reinforced concrete columns 1, which also hinders the shortening of the construction period. The problem to be solved by the present invention is to provide a method of constructing a frame composed of columns and floor boards, which does not have the drawbacks that the conventional method of constructing a frame composed of columns and floor boards has.
In other words, it is possible to provide a required number (several floors) of floorboards by stacking them together, and to provide a method of constructing a frame composed of columns and floorboards with good workability, and to join the columns and floorboards together. An object of the present invention is to provide an easy and reliable method of joining a column and a floor plate.

[0004]

In order to solve the above problems, the present invention adopts the following constitution. According to the configuration of the present invention, a plurality of pillars are built at predetermined positions, a required number of floor boards having a plurality of openings through the pillars are stacked and formed, and each floor board is elevated along the pillars to the joint position to the pillars. Alternatively, it is a method of constructing a frame composed of a pillar and a floor board, which is characterized by lowering and joining the floor board at a joining position to the pillar to the pillar using an appropriate joining means. In a preferred embodiment, a required number of pairs of floor boards having a plurality of openings through the columns and supports having openings through the columns are formed in a stack, and each floor board and the support are joined to the columns at the joining positions. Raise or lower to join the support to the post using suitable fastening means, and then join the floorboard to the post or support. Further, a required number of pairs of the floor plate and the support are formed on the ground, and the inner peripheral surface of the opening of the support is made to follow the pillar, and is raised or lowered to the pillar joint position. Supports are used to facilitate and ensure movement and retention of the floorboard. However, other means may be used to facilitate and ensure movement and retention of the floorboard. In a preferred embodiment, the columns are made of closed-section steel, for example steel or square steel tubes are used as closed-section steel. Then, the concrete can be filled into the closed-section steel frame column to form a filled concrete steel frame column, whereby the column can be strengthened. The pillars can also be RC or SRC.

In a preferred embodiment, the support is made by assembling a plurality of block-shaped RC divided pieces using a PC steel rod or a PC stranded wire and a stopper, but is not limited thereto. Each of the above-mentioned divided pieces is provided with an inner side surface along the outer peripheral surface of the pillar, and through-holes for passing PC steel rods or PC stranded wires are formed in the block-shaped divided pieces, and when the divided pieces are assembled, they are The inner surface of the column forms an opening through which the column is slightly larger than the outer diameter of the column. The joining method of joining the floor board to the pillar includes (a) joining the support to the pillar using an appropriate joining means, supporting the floor board with the support, and joining the appropriate joining means (for example, the opening and the pillar). The floor board is joined to the pillar by using a bonding material such as mortar to fill the gap between the outer surface of the pillar and (b) The support is joined to the pillar using an appropriate joining means. The floor board is supported by and the floor board is joined to the support by using an appropriate joining means. (C) The support is joined to the pillar by a detachable joining means, and the floor board is supported by the support. In such a state, an appropriate joining means (for example, the gap between the opening of the floorboard and the outer peripheral surface of the pillar is filled with a joining material such as mortar, and the floorboard is fixed with the joining material such as mortar and the receptacle fixed to the pillar. Join the floorboard to the pillar using (Join to pillar), and then remove the support from the pillar. Without a support having an opening, with appropriate the 支保 Engineering such floorboards held in its joining position, with an appropriate bonding means, a bonding method or the like for joining the floorboards pillars.

As a joining method for joining to the pillar of the support, for example, the inner peripheral surface of the opening at a position corresponding to the pillar of the floor plate is faced to the pillar, and a plurality of divided pieces are assembled around the pillar to pass through the pillar. Form a support with open openings, position the floorboard and the support at their joints to the pillars, and fill the gap between the openings of the support and the outer peripheral surface of the pillars with a bonding material such as mortar or a liner. , A method of introducing a tensile force into a PC steel rod or a PC stranded wire passed through the through hole of each divided piece and holding the state in which the tensile force is introduced with an appropriate stopper is used, but is not limited to this method is not. Further, as a joining method of joining the support joined to the pillar and the floorboard, for example, the inner peripheral surface of the opening at a position corresponding to the pillar of the floorboard is faced to the pillar, and the support consisting of a plurality of divided pieces is used as the floorboard. The floor plate and the support at positions where they are joined to the columns, and the upper projections of the divided pieces of the support are located in the openings of the floor plate, and the support is provided with an appropriate joining means. A PC that is joined to a pillar by using a through hole that leads from the recess formed near the opening of the floorboard to the opening.
A steel rod or a PC stranded wire is passed through a through hole formed in the projecting portion of the split piece, and the gap between the inner peripheral surface of the opening of the floor plate and the outer peripheral surface of the projecting portion of the split piece of the support is joined with a bonding material such as mortar. Fill with, P
A method in which a tensile force is applied to the C steel rod or the PC stranded wire and the state in which the tensile force is introduced is held by an appropriate stopper is used, but the method is not limited to this. The floor plate is RC, and slab reinforcing bars are arranged vertically and horizontally. Of the vertical and horizontal slab rebars, those that hit the openings may be cut into non-threaded bars or bent so that they do not hit the openings.

[0007]

EXAMPLE Example 1 is shown in FIGS.
Slide the floorboard 20 up along the 0
This is an example of constructing a frame composed of the pillar 10 and the floor plate 20 by joining the pillar 10 or the support 30 to each other. The pillar 10 is formed by cutting a square steel pipe into a predetermined length, but may be made of RC. When the floorboard area of the building is large, the floorboard 20 is formed according to the size of one unit floor by dividing the floor of the building by a plurality of dividing lines DL as shown in FIG. Floor board 20
Is composed of an RC flat slab reinforced with one-layer or two-layer vertical and horizontal slab reinforcing bars, and an opening 21 is formed at the joining position to the column according to the shape of the column and the like. As shown in FIG. 5, the support 30 is made by assembling four block-shaped RC divided pieces 31 to 34 using a PC steel rod 35 and a stopper 36. Each of the divided pieces 31 to 34 is provided with an inner side surface 31a to 34a along the outer peripheral surface of the column 10, and through holes 31b to 34b through which the PC steel rod 35 is inserted are formed in the block-shaped divided pieces 31 to 34, respectively. When the four divided pieces 31 to 34 are assembled, the four inner side surfaces 31a to 34a form an opening 37 through which a column slightly larger than the outer diameter of the column 10 can pass.

To simplify the explanation, a frame on the fourth floor above the ground will be taken as an example. A plurality of pillars 10 are erected at predetermined pillar forming positions. As shown in FIG. 2, the floor plate 20 of the first floor is provided around the pillar 10.
A support 30A supporting A is installed, and this support 30A
The floor plate 20A of the first floor is formed on the upper side of the. Floor board 20 on the first floor
A support body 30B that supports the floor plate 20B on the second floor is installed around the pillar 10 on the upper side of A. 2 above this support 30B
The floor board 20B of the floor is formed. A support body 30 supporting the floor plate 20C on the third floor around the pillar 10 on the upper side of the floor plate 20B on the second floor.
Install C. Floor plate 2 on the third floor above this support 30C
0C is formed. A support 30D that supports the floor plate 20D on the fourth floor is installed around the pillar 10 on the upper side of the floor plate 20C on the third floor. The floor plate 20D of the fourth floor is formed on the upper side of the support 30D. The position of the floor board 30A on the first floor is the floor board 3
It is made to coincide with the joining position of the column 0A to the column 10. As shown in FIG. 5, the support members 30A to 30D on the first to fourth floors are assembled by sandwiching an appropriate space holding piece between each of the divided pieces 31 to 34, and passed through a pillar slightly larger than the outer diameter of the pillar 10. The opening 37 is formed. When forming the floorboards 20A to 20D on the first to fourth floors, the work of building the formwork, arranging the bar, placing concrete, demolding, etc. can be omitted by selecting appropriate support work and formwork configuration. Let's do it together. Floor board 2
As shown in FIG. 1, the openings 0A to 20D are formed with openings 21 larger than the opening holes 37 through which the pillars of the supports 30A to 30D are inserted at the positions where the pillars are joined.

A gap A1 between the inner peripheral surface of the opening 37 of the support 30A on the first floor and the outer peripheral surface of the column 10 and a gap A2 between the divided pieces.
Is filled with high-strength mortar 38, and after the mortar 38 is hardened, both ends of the PC steel rod 35 are pulled with a jack or the like, and P
A tensile force is introduced to the C steel rod 35, and the state in which the introduced tensile force is acting is fixed using a stopper 36 such as a nut, and the support 30A is joined to the column 10. Next, by using an appropriate lift-up means such as lifting or pushing up, the floor boards 20B to 20D on the second to fourth floors and the supports 30B to 30.
As shown in FIG. 3, D is lifted up until the floor plate 20B on the second floor reaches the joining position, and the state is maintained.
Then, the gaps A1 and A2 between the inner peripheral surface of the opening 37 of the support 30B and the outer peripheral surface of the column 10 are filled with high-strength mortar 38, and after the mortar 38 is hardened, both ends of the PC steel rod 35 are jacked or the like. By pulling and introducing a tensile force to the PC steel rod 35, pressing each divided piece toward the pillar, and fixing the state in which the introduced tensile force is acting using a stopper 36 such as a nut, a support body 30B is joined to the pillar 10. Next, using an appropriate lift-up means, the floor board 20C on the third floor to the fourth floor
4 to 20D and the supports 30C to 30D are lifted up until the floor plate 20C on the third floor reaches its joining position, as shown in FIG. 4, and this state is maintained. Then, the support 30C is joined to the pillar 10 in the same manner as described above. Similarly, the floor plate 20D of the fourth floor and the support 30D are lifted up until the floor plate 20D of the fourth floor reaches its joining position by using an appropriate lift-up means, and this state is maintained. Then, the support 30D is attached to the pillar 10 in the same manner as described above.
To join.

After the supports 30A to 30D are bonded to the pillar 10, as shown in FIG. 7, floor boards 20A to 20D are formed.
The gap A2 between the opening 21 and the outer peripheral surface of the pillar 10 is filled with high-strength mortar 39, and the floor boards 20A to 20D supported by the supports 30A to 30D are joined to the pillar 10. This joining work may be performed after joining each support of one floor to the pillar, or may be performed after joining all the supports of each floor to the pillar. When it is desired to further strengthen the joint between the pillar 10 and the floor boards 20A to 20D, the following joining means is adopted.
As shown in FIGS. 8 and 9, each divided piece 31 of the support 30 is
Nos. 34 to 34 are provided in the trapezoidal portion of the pillar 10 in plan view, and projecting parts 31c to 34c projecting upward are provided.
The protrusions 31c to 34c are formed with through holes 31d to 34d through which the PC steel rod 49 is inserted, respectively, so that the protrusions 31c to 34c can be fitted in the cruciform opening 21 formed in 0D. In the vicinity of the cross-shaped opening 21 of the floor plates 20A to 20D, a recess 22 is formed parallel to the rim of the opening 21, and a through hole for passing the PC steel rod 49 through the part of the floor plate 20 between the recess 22 and the opening 21. 23 is formed. Supports 30A to 30D on the pillar 10
After joining, the PC steel rod 40 is passed through the through holes 23 and 31d to 34d to open the openings 2 of the floor boards 20A to 20D.
The gap A3 between 1 and the outer surface of the protrusions 31c to 34c of the support 30 is filled with high-strength mortar 42, and after the mortar 42 has hardened, both ends of the PC steel rod 40 are pulled by jacks or the like. A tensile force is introduced into the PC steel rod 39, and the state in which this tensile force is acting is fixed using a stopper 41 such as a nut, and the floor boards 20A to 20D are fixed to the support 30A.
To 30D. In the first embodiment,
The support 30A may be joined to the pillar 10 at the stage of installing it, or the floorboard 20A may be joined to the pillar 10 or the support 30A at the stage of forming it.
In the frame structure of the first embodiment, the pillars 10 are provided with supports 30A to 30D.
Are joined together, and the floorboard 20 is supported by the supports 30A to 30D.
A to 20D are supported and floor boards 20A to 20
Since D is connected to the pillar 10 or the supports 30A to 30D, even if a moment or a compressive force is generated on the floor plate or the like during an earthquake or the like, these can be reliably transmitted to the pillar 10.

The second embodiment is an example in which the floor plates 20A to 20D are directly joined to the pillar 10 as shown in FIGS. 10 to 14, and the floor plate 20 and the support 30 are arranged along the pillar 10 as in the first embodiment. Slide up. The pillar 10 is shown in FIG.
As shown in FIG. 12, a steel pipe is formed by cutting it into a predetermined length, and the outer peripheral portion of the floor plates 20A to 20D is formed of steel annular bodies at lower and upper portions of the joining position, respectively. The bodies 11 and 12 are fitted and these receiving bodies 1
1 and 12 are fixedly formed on the outer peripheral surface of the steel pipe by welding or the like. Note that the receiving bodies 11 and 12 may be composed of a plurality of discontinuous block-shaped bodies. Floor board 20A to 20D
As shown in FIG. 10 to FIG.
It is composed of an RC flat slab in which a and 20b are arranged in two layers, and a circular opening 21 is formed at the joining position to the column according to the shape of the column 10. Vertical and horizontal reinforcing bar 20a, which corresponds to the opening 21 of 20b is non-through muscle 20a _1, 20b ₁
I am doing it. The support 30 used in Example 2 is the same as Example 1 except that the opening is circular. In the case of Example 2, after joining the floor boards 20A to 20D to the pillar 10,
Since it is necessary to remove the support 30 from the pillar, the gap between the outer peripheral surface of the pillar 10 and the inner peripheral surface of the opening 37 of the support 30 is filled with a liner (for example, a thin steel plate). A guide piece 13 having a thickness substantially equal to the protruding amount of the annular receiving bodies 11 and 12 is detachably attached around the portion other than the floor plate joint portion of the pillar 10. Similar to the first embodiment, a plurality of pillars 10 are built at the pillar forming positions, the supports 30A to 30D are arranged on the ground G, and the floor boards 20A to 20D are formed. Then, as in the first embodiment, the supports 30B to 30D and the floor plate 20 are provided.
Slide B to 20D up to a predetermined position and hold it at a predetermined position. After the supports 30A to 30D are joined to the pillar 10, as shown in FIGS.
The gap A4 formed between the circular opening 21 of 0A to 20D and the outer peripheral surface of the column 10 is filled with the high-strength mortar 43. By hardening the high-strength mortar 43, the pillar 10 and the floorboards 20A to 20D are joined as shown in FIG. After joining the floor boards 20A to 20D to the pillar 10,
The stopper 36 is loosened and removed, the divided pieces 31 to 34 are disassembled, and the support 30 is removed from the column 10. Guide piece 13 is also pillar 1
Remove from 0. In addition, in Example 2, the support 30
The installation of A may be omitted, the floorboard 20A may be formed on the ground G, and the floorboard 20A may be joined to the pillar 10 when the floorboard 20A is formed. In the frame structure of the second embodiment, the floorboard 20A during an earthquake
To 20D, even if the moment M as shown in FIG. 13 is generated and the compressive force CF is generated at the position as shown in FIG.
Since 1 and 12 exist, the moment M and the compressive force CF
Can be reliably transmitted to the pillar 10. Further, since the supports 30A to 30D are removed from the pillars, there is nothing protruding below the floor boards 20A to 20D, so that the space used in the building can be increased.

The third embodiment is shown in FIGS. 15 to 17, and an example in which the floor plate 20 and the support are slid down along the pillar 10 and the pillar 10 and the floor plate 20 are connected to each other to construct an underground structure. Is. The structures of the pillar 10, the floor plate 20, and the support 30 are the same as those in the first embodiment. To simplify the explanation, we will use the frame on the 4th basement floor as an example. As shown in FIG. 15, a plurality of pillars 10 are built vertically above and below the pillar formation position.
A support body 30E that supports the floor plate 20E of the third basement floor is installed around the pillar 10, and the floor plate 20E of the third basement floor is formed above the support body 30E. A support body 30F that supports the floor plate 20F of the second basement floor is installed around the pillar 10 above the floor plate 20E of the third basement floor. The floor plate 20F on the second basement floor is formed above the support 30F. A support 30G that supports the floor plate 20G of the first basement floor is installed around the pillar 10 above the floor plate 20F of the second basement floor. 1 basement above this support 30G
Form a floorboard 20G for the floor. A support 30H that supports the floor plate 20H on the ground floor is installed around the pillar 10 on the upper side of the floor plate 20G on the basement floor. The floor plate 20H on the ground floor is formed on the upper side of the support 30H. The support members 30E to 30H on the third basement floor to the first floor above the ground are assembled by interposing an appropriate distance holding piece between the respective divided pieces 31 to 34 in the same manner as in the first embodiment, and are slightly smaller than the outer diameter of the pillar 10. An opening 37 through which a large pillar is passed is formed. Floorboard 20 on the 3rd basement floor or the 1st floor above ground
When forming E to 20H, as in Example 1,
By selecting appropriate support and formwork configurations, work such as formwork installation, reinforcement, concrete placement, and demolding can be performed almost at the same time. And each floor board 20E to 2
An opening 21 larger than the opening 37 through which the pillar of the support is inserted is formed at the position of joining to the pillar of 0H.

The formation position of the floor plate 30H on the first floor above the ground is matched with the joining position of the floor plate 30H to the pillar 10, and the gap A1 between the divided pieces 31 to 34 of the support 30H on the first floor above is filled with the high-strength mortar 38. , After curing the mortar 38, PC
Pull both ends of the steel rod 35 with a jack or the like to remove the PC steel rod 3
5, a tensile force is introduced to the member 5, and the state in which the introduced tensile force is applied is fixed by using a stopper 36 such as a nut.
The H is firmly bonded to the pillar 10. Next, the ground below the support body 30E and the floor plate 20E on the third basement floor is excavated (root cutting) by an appropriate excavation means to remove the support bodies 30E to 30G and the floor plates 20E to 20G on the third basement floor to the first basement floor. As shown in FIG. 16, the inner side surfaces of the supports 30E to 30G are brought into contact with the pillars and slid down until the floor plate 20G on the first basement floor reaches the joining position. And underground 1
The floor supports 30G are rigidly joined to the posts 10 in the same manner as above. Similarly, the support 30E and the floor board 2 on the third basement floor
The ground below 0E is further excavated by an appropriate excavation means, and the supports 30E to 30F and floor boards 20E to 20F on the third basement floor or the second basement floor, and the floor board 20F on the second basement floor, as shown in FIG. Slide down along the column as above until it is at the juncture. And underground 2
The floor supports 30F are rigidly joined to the posts 10 in the same manner as above. Similarly, the support 30E and the floor board 2 on the third basement floor
Further excavation of the ground below 0E, support 3 on the third basement floor
The 0E and the floorboard 20E are slid down along the pillar in the same manner as above until the floorboard 20E on the third basement floor is in the joining position. Then, the support 30E on the third basement floor is firmly joined to the pillar 10 in the same manner as described above. Further, the ground below the support 30E and the floor plate 20E on the third basement floor is excavated to form a room space on the fourth basement floor, and a floor board on the fourth basement floor and the like are formed on the bottom of the room space. The floor boards 20E to 20H are connected to the pillar 10 or the support 30 by using the joining means of the first or second embodiment.
Joined to E to 30H to complete the structure of 4 underground floors and 1 floor above ground. In the third embodiment, the support 30H may be joined to the pillar 10 at the stage of installing the support 30H,
When the floor board 20H is formed, the pillar 10 or the support 3 is formed.
It can also be bonded to 0H. In the method for constructing the underground frame of the third embodiment, since the floor boards 20E to 20H are directly subjected to earth pressure as mountain retaining, no crossbeam is required.

[0014]

The present invention has the following effects (a) to (i) by having the structure described in the section of the claims. (B) When the required number of floorboards having a plurality of openings through which the pillars are formed are stacked together and formed as described in claim 1, the number of floorboard manufacturing steps can be reduced, and the floorboards can be formed along the pillars up to the pillar joining position. When the frame is constructed by ascending or descending and joining the floor plate to the pillar, the construction period of the body construction work and the finishing work can be shortened. (B) As described in claim 2, a pair of a floor board having a plurality of openings through which the pillars and a support having openings through the pillars are formed in a necessary number of pairs, and the support is joined to the pillars. When the floorboard is supported by the support joined to the pillar and the floorboard is joined to the pillar or the support, the support work to support the floorboard at a predetermined position is unnecessary, and the floorboard is easily joined to the pillar, etc. become. (C) When a required number of pairs of a floor board having a plurality of openings through which a pillar and a support having an opening through a pillar are formed on the ground as described in claim 3, the floor board can be easily maintained in a safe state. When the floor board and the support are moved up and down along the pillar to the position where they are joined to the pillar, the work of raising or lowering them can be facilitated. (D) As described in claim 4, a required number of pairs of a floor plate having a plurality of openings through which columns are formed and a support having openings through the columns are formed on the ground to support the floor plate and the supports. When the inner peripheral surface of the opening of the body is along the pillar and it is raised or lowered to the position where it is joined to the pillar, the floor board and the support can be raised or lowered without difficulty, and further, with the support joined to the pillar. If the floorboard is joined to the pillar while the floorboard is supported, and then the support is removed from the pillar, the space available for the building is not narrowed by the support. (E) According to the fifth aspect, the support can be easily and firmly joined to the column. (F) According to the sixth aspect, the floor plate can be supported by the support member firmly joined to the pillar, and the floor plate can be easily and surely joined to the pillar. (G) According to the seventh aspect, the floor board supported by the support joined to the pillar can be easily and surely joined to the support. (H) According to claim 8, the floorboard can be made thin,
The space available in the building can be widened, and the profit can be increased by stacking the required number of sheets to form the floorboard. (I) When the construction method of the present invention in which the floor plates formed by stacking the required number of layers are lowered along the pillars to the joint position to the pillars, when the construction method of the underground vehicle is applied, the floor plates are directly subjected to earth pressure as mountain retaining, No need for cutting beams.

[Brief description of drawings]

FIG. 1 is a plan view showing an outline of a floorboard of Example 1.

FIG. 2 is a front view showing the relationship between the floorboard, the support and the pillar when the floorboard of Example 1 is formed.

FIG. 3 is a floor board during the first slide-up of Example 1,
Front view showing the relationship between support and pillar

FIG. 4 is a floor board during the second slide-up of Example 1,
Front view showing the relationship between support and pillar

FIG. 5 is a plan view of a support assembled around a pillar.

FIG. 6 is a plan view of a support body joined to a column.

FIG. 7 is a front view showing the joined state of the floor board, the support and the pillar, with the floor board facing vertically.

FIG. 8 is a plan view showing another joining state of the floor plate, the support and the column.

9 is a front view of the one shown in FIG. 8 taken along the line AA.

FIG. 10 is a front view showing a relationship between a floorboard and a pillar, which is a longitudinal section of a main part of the floorboard and the pillar according to the second embodiment.

FIG. 11 is a plan view showing what is shown in FIG. 10 across a pillar.

FIG. 12 is a front view showing a relationship between a floorboard and a pillar, which is obtained by cutting a joint between the floorboard and the pillar according to the second embodiment.

FIG. 13 is a diagram showing a moment generated on a floor plate or the like of the frame of the second embodiment.

FIG. 14 is a schematic diagram showing a compressive force and the like generated in the frame of the second embodiment.

FIG. 15 is a front view showing the relationship between the floorboard, the support and the pillar when the floorboard of Example 3 is formed.

FIG. 16 is a front view showing the relationship between the floor board, the support and the pillar at the time of the first slide-down according to the third embodiment.

FIG. 17 is a front view showing the relationship between the floor plate, the support and the pillar at the second slide-down of the third embodiment.

FIG. 18 is a front view showing a main part of a conventional frame and frame structure.

FIG. 19 is a plan view of the column shown in FIG.

[Explanation of symbols]

10 Column 11 receiving body 12 receiving body 13 guide piece 20 floorboards 20A to 20D the first floor to the fourth floor of the floor 20E to 20H 3 basements or first floor of the floor plate 20a rebar 20b Rebar 20a ₁ Non through muscle 20b ₁ Non through muscle 21 Opening 22 Recessed portion 23 Through hole 30 Supports 30A to 30D 1st to 4th floor support 30E to 30H 3rd basement to 1st floor support 31 to 34 Divided pieces 31b to 34b Through holes 31c to 34c Projection 31d to 34d Through hole 35 and 40 PC steel rod 36 and 41 Stopper 37 Opening 38, 39, 42 and 43 High strength mortar A1 to A4 Gap

Front page continuation (72) Haruhiko Okamoto, Inventor Haruhiko Okamoto, No. 3-8, Mokudo, Mihara-cho, Minamikawachi-gun, Osaka Prefecture Takenaka Corporation Technical Research Institute, Osaka Branch (72) Kazuo Murai, Mihara-machi, Minamikawachi-gun, Osaka Prefecture Tsudori 3-chome 1-8 Takenaka Corp. Technical Research Institute Osaka Branch (72) Inventor Motoyoshi Oshima 8-2-1 Ginza 8-chome, Chuo-ku, Tokyo Stockholder Takenaka Corp. Tokyo Head Office (72) Inventor Kenji Takahashi 8-21-1, Ginza, Chuo-ku, Tokyo Incorporated Takenaka Corporation Tokyo Main Store (72) Inventor Tomoaki Ishikawa 8-21, Ginza, Chuo-ku, Tokyo Takenaka Corporation Tokyo Main Store

Claims (8)

[Claims] 1. A plurality of pillars are built at predetermined positions, a required number of floor boards having a plurality of openings through the pillars are formed in a stack, and each floor board is elevated along the pillars to a joint position to the pillars. A construction method of a frame composed of a pillar and a floor board, which is characterized by lowering and joining the floor board, which has come to a joining position to the pillar, to the pillar using an appropriate joining means. 2. A plurality of pillars are built at predetermined positions, and a required number of pairs of a floor board having a plurality of openings through the pillars and a support having an opening through the pillars are formed so as to overlap each floor board and the support. A column and a floor plate, characterized in that the body is raised or lowered to a position where they are joined to the columns, the support is joined to the columns using an appropriate fixing means, and then the floor plate is joined to the columns. How to construct a frame. 3. A plurality of pillars are built at predetermined positions, and a required number of pairs of floor boards having openings through the pillars and a support having openings through the pillars are formed on the ground, and each floor board is formed. And the support is raised or lowered along the columns to the position where they are joined to the columns, the supports are joined to the columns using appropriate joining means, and then the floorboard is joined to the columns or the supports. A method of constructing a frame consisting of columns and floor boards, which is characterized in that 4. A plurality of columns are built at predetermined positions, and a required number of pairs of floor boards having openings through the pillars and a support having openings through the pillars are formed on the ground, and each floor board is formed. And the support body along the inner peripheral surface of the opening of the support body along the pillars, and raised or lowered to the position of joining to the pillars, and after joining the support body to the pillars using an appropriate joining means. A frame structure comprising a pillar and a floor board, characterized in that the floor board is joined to the pillar by using an appropriate joining means while the floor board is supported by the support joined to the pillar, and then the support body is removed from the pillar. Building method. 5. A method of joining a pillar and a support, wherein the inner peripheral surface of the opening at a position corresponding to the pillar of the floor plate faces the pillar,
Assembling a plurality of divided pieces around the pillar to form a support with an opening through the pillar, and positioning the support below the floorboard,
In addition, position the floor plate and the support at the position where they are joined to the pillars, fill the gap between the opening of the support and the outer peripheral surface of the pillar with a bonding material such as mortar or a liner, and pass through the through holes of each divided piece. The joining method, wherein a tensile force is introduced into the PC steel rod or the PC twisted wire, each segment is pressed against the pillar, and the state in which the tensile force is introduced is held by an appropriate stopper. 6. A method of joining a pillar and a floor board, wherein an inner peripheral surface of an opening at a position corresponding to the pillar of the floor board faces the pillar, and a plurality of divided pieces are assembled around the pillar to form an opening through the pillar. A support with a base, the support is located below the floorboard, the floorboard and the support are located at their joints to the columns, and the gap between the opening of the support and the outer peripheral surface of the column is PC steel rod or P which was filled with a bonding material such as mortar and passed through the through hole of each divided piece.
Introduce a tensile force to the C stranded wire, press each divided piece toward the column, hold the state in which the tensile force is introduced with an appropriate stopper to join the support to the column, and A joining method characterized in that a gap between the inner peripheral surface and the outer peripheral surface of the column is filled with a bonding material such as mortar. 7. A method of joining a support joined to a pillar to a floorboard, wherein an inner peripheral surface of an opening at a position corresponding to the pillar of the floorboard faces the pillar, and a support made of a plurality of divided pieces is attached to the floorboard. It is arranged on the lower side, the floor plate and the support are located at the joining position to their columns, the upper protrusion of the divided piece of the support is located within the opening of the floor plate, and the support is provided with an appropriate joining means. Use the steel bar or PC strand that is joined to the pillar using a recess formed near the opening of the floorboard and that passes through a through hole that leads to the opening into the through hole that is formed in the protruding portion of the divided piece, and open the floorboard. A state in which the gap between the inner peripheral surface of the and the outer peripheral surface of the protruding portion of the divided piece of the support is filled with a bonding material such as mortar, and the tensile force is introduced into the PC steel rod or the PC twisted wire, and the tensile force is introduced. A joining method, characterized in that the above is held by an appropriate stopper. 8. The method according to claim 1, wherein the floor plate is composed of an RC flat slab.