JPH05148904A - Structure of multi-storied building - Google Patents

Abstract

PURPOSE:To curtail a cost of construction of an entire building and improve the efficiency of field execution work by strengthening rigidity of dwelling units of at least one row successively piled up vertically more than that of the dwelling units of other rows and making the row of the dwelling units the rigidity of which is strengthened bear a horizontal load. CONSTITUTION:Dwelling units 10 constituting the dwelling units of the first floor are arranged before and behind/right and left in plural rows on the first floor of a building, dwelling units 10 constituting each floor of the building are piled up on the respective dwelling units 10, and each dwelling unit 10 abutting before and behind/right and left and vertically is incorporated with each other. The dwelling units 10 constituting at least one row along the vertical direction among the dwelling units 10 are comprised of concrete-made dwelling units 10A the rigidity of which is strengthened and which are formed into a box shape consisting of concrete wall parts of the four sides and a concrete floor part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a middle- and high-rise building, and in particular, on the first floor of a building, a plurality of rows of dwelling unit units constituting a dwelling unit of the first floor are arranged in front, back, left and right. The present invention relates to a structure of a middle-high-rise building in which the dwelling unit units constituting each floor of the building are stacked on top of each other and the dwelling unit units adjacent to each other in the front, rear, left, right, up and down are integrated with each other.

[0002]

2. Description of the Related Art In recent years, due to the shortage of land in large cities and the exhaustion of the required number of houses, in urban apartments, for example, middle to high-rise apartments of 10 to 15 floors have been constructed. It's coming.

In general, these are SRC constructions whose columns are mainly H-section steel, large columns of steel plates with integrated steel beams and wall parts, columns of PC boards with beam braces, and floors. Was made in-situ and basically applied the conventional construction technology for office buildings.

By the way, even in this type of apartment house,
Prefabricated houses such as detached houses have been developed in order to reduce time, materials and labor costs and to obtain high quality houses.

FIG. 10 and FIG. 11 show a conventional example of a construction technique for a middle- and high-rise building which is intended to be prefabricated as described above.

In the unitized construction method shown in FIG. 10, a housing unit 2 assembled in a box shape is inserted into a space frame 1 mainly composed of H-shaped steel, and the housing unit 2 is lifted by a crane 3. It is placed on the lifting plate 4 that also serves as a pushing jig, faces the insertion portion 1a of the space frame 1, and is inserted into the insertion portion 1a by the insertion device provided on the lifting plate 4.

In addition, the unitized construction method shown in FIG. 11 is a method of stacking steel-framed space units (dwelling unit units) 5 at a site by a crane 6, and is also called a block construction method. The space unit 5 that can be stacked on-site is 3,150 in frontage and 1 in depth.
1,270, height 2,670, weight 9-10t are standard, and the column direction is ramen, and the span direction is multi-column type fieldend truss structure.
The outer wall of the unit is equipped with a curtain wall made of steel resistant steel in advance at the factory, and sash and glass are also installed at the factory.

[0008]

The present invention is intended to solve the following problems in the above-mentioned prior art.

First, in the unitized construction method as shown in FIG. 10, the dwelling unit 2 is hoisted by the crane 3 through the hoisting plate 4 to a position facing the insertion portion 1a of the space frame 1, and the dwelling unit 2 is inserted. Since it has to be pushed into 1a, the efficiency of construction work at the site is poor,
Further, there is a problem that a work space for facing the dwelling unit 2 must be secured in front of the space frame 1.

Secondly, in the unitized construction method for constructing a building by stacking dwelling unit units 5 as shown in FIG.
In order to improve the strength against vertical load and horizontal load, the structure of each individual dwelling unit must be strengthened, which increases the cost of the dwelling unit and increases the overall cost.

The present invention has been proposed in view of the above circumstances, and an object thereof is to make the rigidity of at least one row of dwelling unit units continuously stacked in the vertical direction greater than the rigidity of dwelling unit units of other rows. By increasing the horizontal load on the row of dwelling unit units, the construction cost of the entire building can be reduced, and the efficiency of construction work on site can be increased. To provide the structure.

[0012]

According to the structure of a middle and high-rise building according to claim 1 of the present invention, a plurality of dwelling unit units constituting a dwelling unit on the first floor are arranged on the first floor of the building in front, rear, left and right, respectively. It is a middle-high-rise building in which dwelling unit units constituting each floor of a building are stacked on a dwelling unit unit, and adjacent dwelling unit units in front, rear, left, right, up and down are mutually integrated, and at least one row of the dwelling unit units along the vertical direction is formed. It is characterized in that the constituting dwelling unit unit is constituted by a dwelling unit unit made of concrete, which is formed in a box shape and has a four-sided concrete wall portion and a concrete floor portion and whose rigidity is enhanced.

Further, the structure of the middle-high-rise building according to claim 2 is characterized in that a concrete dwelling unit is divided into at least two parts in the vertical direction.

[0014]

According to the structure of the medium-high-rise building according to claim 1 of the present invention, in the housing unit constituting the building, the concrete is formed into a box type consisting of concrete wall portions on four sides and a concrete floor portion. By stacking dwelling unit units as the dwelling unit units with the highest rigidity (reinforced dwelling unit units), a row of dwelling unit units with high rigidity is created, so a frame structure that increases the rigidity of the building against horizontal force can be obtained. , And the horizontal force applied to the building,
Since it is transmitted to the dwelling unit unit of the row in which the rigidity is most strengthened (strengthened dwelling unit unit) and is received by the strengthened dwelling unit unit, it is possible to reduce the strength required for dwelling unit units of other rows.

Further, according to the structure of the middle- and high-rise buildings according to claim 2, the concrete dwelling unit unit (reinforced dwelling unit unit) whose rigidity is reinforced is at least 2 in the vertical direction.
The divided shape prevents excessive load from being lifted by the crane.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic perspective view showing the basic structure of the structure of a middle- and high-rise building according to the present invention. In the structure of this middle-high-rise building, basically, a plurality of box-type dwelling unit units are arranged from the first floor of the building to the front, rear, left, and right in a plurality of rows (four rows in the front, back, left, and right in the illustrated example). This is a structure in which the dwelling unit units 10 forming the respective floors of the building are stacked on top of each other and the dwelling unit units 10 adjacent to each other in the front, rear, left, right, up, and down are integrated with each other.

However, according to the present invention, among the dwelling unit units, the reinforced dwelling unit units 10A whose rigidity is reinforced are stacked at the four corners of the building (strengthened dwelling unit row R), whereby each floor The dwelling unit units 10A arranged in the four corners of the dwelling unit unit 10A.
Is designed to handle the horizontal load.

Here, the dwelling unit 10 has a box-shaped structure in which four pillars 10a and an upper beam portion 10b and a lower beam portion 10c connecting the upper and lower ends of these pillars 10a are connected to each other. Is becoming

2 and 3 show a concrete first embodiment of the reinforced dwelling unit 10A. This reinforced dwelling unit unit 10A is formed in a concrete box type (square box type). More specifically, as shown in FIG. 2, reinforcing bars are arranged inside and integrated with a predetermined wall thickness. It is a concrete structure composed of four-sided wall portions 11, 12, 13, 14 and a floor portion 15 which are molded into. And
This reinforced dwelling unit 10A is manufactured in advance in a factory,
It is supposed to be transported to the site in a precast state.

The reinforced dwelling unit and 10A are composed of an upper split unit 16 and a lower split unit 17, which are split in the vertical direction.

That is, the upper division unit 16 is shown in FIG.
As shown in FIG. 5, a plurality of connecting bolts 19 ... Are formed so as to project downward on the ring-shaped lower end surface 18 so as to form the upper side of the four-sided wall portion.
In addition, a plurality of sheath tubes are embedded in the upper end surface 20 at predetermined intervals to form bolt insertion holes 21.

On the other hand, the lower division unit 17 is formed so as to form the floor portion 15 with the lower side of the four side wall portions, and a plurality of anchor bolts 22 project downward at the peripheral portion of the bottom surface of the floor portion 15. Is formed. In addition, the ring-shaped upper end surface 23 of the lower division unit 17 has the upper division unit 1
A plurality of sheath tubes into which the connecting bolts 19 of No. 6 are inserted are embedded to form bolt insertion holes 24.

The upper end surface 2 of the lower division unit 17
3, the grout material is injected into all the bolt insertion holes 24, the connecting bolts 19 of the upper division unit 16 are inserted into the bolt insertion holes 24, and the grout material is solidified in this state, so that the lower division unit 17 and The upper division unit 16 is integrated to form the reinforced dwelling unit unit 10A. Although not shown, openings are appropriately formed in the four wall portions 11, 12, 13, and 14.

The anchor bolts 22 (anchor bolts 22 of the lower division unit 17) projecting downward from the peripheral edge of the bottom surface of the reinforced dwelling unit 10A are the bolts of the reinforced dwelling unit 10A below which the reinforced dwelling unit 10A is stacked. It is designed to be inserted into the insertion hole 21. Moreover, the bolt insertion hole 21 (upper division unit 16) formed in the upper end surface of the reinforced dwelling unit 10A.
The reinforced housing unit 10 is inserted into the bolt insertion hole 21) of the
The anchor bolt 22 of the reinforced dwelling unit 10A stacked on A is inserted.

Here, the wall portion 1 of the reinforced dwelling unit 10A
The thickness of 1, 12, 13, and 14 is the reinforced dwelling unit 10
Arrangement position of A, that is, many reinforced dwelling unit units 10A
The thickness is appropriately selected depending on the layer position in the middle-high-rise building formed by stacking. For example, in the reinforced dwelling unit unit 10A arranged on the uppermost floor, it is not necessary to increase its structural strength as compared with the reinforced dwelling unit unit 10A arranged in the lower layer because the degree of receiving the vertical load is small. Since the reinforced dwelling unit unit 10A arranged has the highest degree of receiving the vertical load, it is necessary to have sufficiently higher structural strength than the reinforced dwelling unit unit 10A arranged in the upper layer.

In order to increase the structural strength of the reinforcing unit 10A, the wall thickness of the wall portion and the floor portion is increased, and in order to reduce the structural strength thereof, the wall thickness of the wall portion and the floor portion is decreased. The structure should be However, if the wall portions 11, 12, 13, 14 are made thicker to increase the structural strength, the living space A may be narrowed. However, as shown in FIG. 9, in the reinforced dwelling unit 10A of the present embodiment, the module core M1 of the partition 70 such as a bus unit and a sanitary unit installed inside is always set to be constant, and reinforced. The module core M2 on the outer surface of the dwelling unit 10A is also set to be always constant. Therefore, even if the wall portions 11, 12, 13, 14 are made thick enough to increase the structural strength, the internal wall partition 70 and the wall portions 11, 12,
Since the thickness can be adjusted by the gap between the housing 13 and 14, it is possible to avoid the disadvantage that the living space A is narrowed.

Further, the upper split unit 16 and the lower split unit 17 which constitute the reinforced dwelling unit 10A,
Dimensions such as length, width, and height are set within the limits of the truck for transportation from the factory to the site.

On the other hand, the reinforced dwelling unit unit 10A and the dwelling unit unit 10 are connected to each other via the mounting hardware 40 shown in FIG.

The mounting hardware 40 is one in which one corner of a square plate is cut out to form an L-shaped plate, and the remaining corner is cut diagonally. From each side formed by cutting. It is a steel plate having a hole 41 ... Formed therein for inserting a connecting tool such as a bolt. The mounting hardware 40 has an L-shaped recess 42a formed by cutting out a corner thereof to be engaged with a corner of the outer surface of the dwelling unit 10A, and the recess 42a side fixed to the outer surface with screws. Is mounted on the upper surface side of the bracket 43 and is connected to the dwelling unit 10A by inserting and fastening a connecting tool between the holes 41 ... And a connecting hole (not shown) formed in the bracket 43 in advance.

Other than the recessed portion 42a, the hypotenuse portions 42b ... Formed by cutting the corners are sandwiched between the upper and lower dwelling unit units 10 and 10 of the upper dwelling unit unit 10, respectively. Lower beam and lower housing unit 1
It is sandwiched between 0 and the upper beam part. Then, a connecting member such as a bolt penetrates through a hole (not shown) formed in the lower beam portion, the hole 41 near the oblique side portion 42b, and a hole (not shown) formed in the upper beam portion. By being inserted and fastened,
The mounting hardware 40 is sandwiched between the reinforced housing unit 10A and the housing unit 10.

Next, the operation of the structure of the middle-high-rise building constructed as above will be described.

As shown in FIG. 1, in order to construct this middle and high-rise building, first, the upper division unit 16, the lower division unit 17 and the dwelling unit 10 constituting the reinforced dwelling unit 10A are manufactured in a factory or the like. Aside
These will be transported to the site by truck.

Next, from the first floor, dwelling unit units 10A, 10
Arrange four by four vertically and horizontally. These dwelling unit 1
In the arrangement of 0A and 10, the reinforced dwelling unit units 10A are installed so as to be located at the four corners of the building, and the dwelling unit units 10 are arranged between these reinforced dwelling unit units 10A.

Here, in the reinforced dwelling unit 10A, the lower split unit 17 is lifted by a crane and moved to a predetermined position to inject grout material into the bolt insertion hole 24,
Further, the upper division unit 16 is lifted by a crane, the connecting bolt 19 is inserted into the bolt insertion hole 24, and the grout material is solidified. At this time, the entire reinforced dwelling unit 10A is a heavy object, but since the lower division unit 17 and the upper division unit 16 are separately hung up, the lifting work by the crane is not hindered.

Then, the reinforced dwelling unit 10A and the dwelling unit 10 are successively stacked on the dwelling unit 10A and the dwelling unit 10 by a crane, respectively. The stacking method of the reinforced dwelling unit units 10A is performed by injecting grout material into the bolt insertion hole 21 of the upper end surface of the reinforced dwelling unit unit 10A at the lower part, and the anchor bolt 2 of the reinforced dwelling unit unit 10A at the upper part.
2 is inserted and the grout material is solidified to be connected.

Then, the units 10A, 10 adjacent to each other in the front-rear, left-right and up-down directions are fastened with the structure shown in FIG. 6 to complete the middle-high-rise building as shown in FIG.

The hoisting of the dwelling unit 10 is carried out, for example, by using the reinforced dwelling unit 10A as a base, installing a tower crane on this, and using this tower crane.

This construction is carried out in the factory by the reinforced dwelling unit 10A (upper division unit, lower division unit),
Since the dwelling unit units 10 are carried into the site and the tower crane 20 is used to sequentially stack the units, the workability at the site can be improved.

As a result, in the structure of the constructed middle-high-rise building, the reinforced dwelling unit units 10A having the highest rigidity are stacked at the four corners of the building to construct a columnar structure having a large rigidity. As a result, it is possible to form a frame structure in which the rigidity of the building is increased against the horizontal force.

Therefore, the horizontal force applied to the building is transmitted to the reinforced dwelling unit units 10A at the four corners where the rigidity is most strengthened, and the horizontal force is borne by this portion, so that the horizontal force applied to the building is The housing unit 10 does not become a heavy structural design burden, and the strength required for the members forming the housing unit 10 can be small, so that an inexpensive building as a whole structure can be constructed.

Further, in the embodiment, the reinforced dwelling unit 10 is used.
Walls 11, 12, 13, 14 to increase the structural strength of A
Also, even if the wall thickness of the floor portion 15 is made sufficiently thick, the disadvantage that the living space A is narrowed is avoided, so that it is not inconvenient to attach the unitized furniture incorporated in the dwelling unit 10A. There are also advantages. Furthermore, although the entire reinforced dwelling unit 10A is a concrete heavy object, since the lower split unit 16 and the upper split unit 17 are separately lifted to construct the building, an excessive load is applied to the lifting work by the crane. Never give.

4 and 5 show a reinforced dwelling unit 20A.
It is a second embodiment of. This enhanced dwelling unit 30A
Is the same as the reinforced dwelling unit 10A shown in FIG. 2 and FIG. The upper split unit 36 and the lower split unit 37 which form the portion 35 and are split into two in the vertical direction. The upper split unit 36, which is formed in a ring shape so as to constitute the upper side of the four-sided wall portions 31, 32, 33, 34, has an insertion hole extending in the height direction inside the wall and opened at the upper and lower end surfaces. 38a ... Are formed.

Further, the four side walls 31, 32, 33, 34
The lower division unit 37 formed so as to form the lower side and the floor portion 35 is formed with insertion holes 38b ... Which extend in the height direction inside the wall and open at the upper and lower end surfaces. The through holes 38b ... Are formed at positions corresponding to the through holes 38a .. of the upper split unit 26 when the upper split unit 36 is overlaid thereon.

Then, the upper division unit 36 is superposed on the lower division unit 37, and the through hole 38 communicated therewith is formed.
Insert a connecting wire (not shown) inside a and 38b,
The upper split unit 36 and the lower split unit 37 are integrated with each other by locking and fixing the connecting wires pulled out from the upper and lower openings of the upper split unit 36 and the lower split unit 37 in a stretched state.
A is formed. Although not shown, openings are appropriately formed in the four wall portions 31, 32, 33, and 34.

Reinforced dwelling unit 3 formed in this way
0A can obtain the same action and effect as those shown in FIGS. 2 and 3. In addition, in FIGS. 2 to 5, the concrete dwelling unit having a shape divided into two in the vertical direction is shown, but as shown in FIGS. 7 and 8,
Single concrete reinforced dwelling unit 50A, 60A
May be used as the dwelling unit of the present invention. In this case, a bolt insertion hole 52 is formed on the upper end surface 51 of the reinforced dwelling unit 50A, and the bottom surface peripheral portion 5 is formed.
3, a plurality of anchor bolts 54 are formed so as to project downward. Further, the reinforced dwelling unit unit 60A also has a structure in which insertion holes 61 that open at the upper and lower end surfaces are formed. Also in this case, although not shown, openings are appropriately formed in the four wall portions.

The shapes and dimensions of the constituent members shown in the embodiments are merely examples, and can be variously changed based on the design requirements of the building to which the components are applied, and the arrangement of the reinforced dwelling unit units 10A and 30A. The position is not limited to the example (four corners), and various arrangements according to the form of the building can be adopted.

Further, in the embodiment shown in FIGS. 1 to 5,
Although only the frame of the building is schematically shown, it goes without saying that fireproof coating or the like is applied to each dwelling unit.

[0049]

As described above, the structure of the middle- and high-rise building of the present invention has the following structure among the dwelling unit units constituting the building:
By building a row by stacking the concrete dwelling unit unit formed in a box shape consisting of four-sided concrete wall part and concrete floor part as the dwelling unit unit with the most reinforced rigidity (reinforced dwelling unit unit), horizontal force Since it is possible to build a frame structure with increased rigidity of the building, the horizontal force applied to the building can be transmitted to the frame of the four corners where the rigidity is strengthened, and the horizontal force can be borne in this part. The horizontal force applied to the building does not place a heavy burden on other dwelling unit units in terms of structural design, and the strength required for the members that make up the dwelling unit unit is small. Therefore, an inexpensive building as a whole structure can be provided. It has an excellent effect that it can be constructed.

Further, since the construction can also construct a building by the basic process of stacking the dwelling unit units, there is an advantage that workability at the site can be improved.

Further, according to the structure of the middle-high-rise building according to the second aspect, the concrete dwelling unit unit (reinforced dwelling unit) whose rigidity is reinforced is at least 2 in the vertical direction.
Since the shape is divided, it is possible to increase the efficiency of the construction work on the site without giving an excessive load to the lifting work by the crane.

[Brief description of drawings]

FIG. 1 is a perspective view showing an outline of a high-rise building to which an embodiment is applied.

FIG. 2 is a perspective view showing a first embodiment of the reinforced dwelling unit.

FIG. 3 is a perspective view showing a first embodiment of the reinforced dwelling unit unit in a divided state.

FIG. 4 is a perspective view showing a second embodiment of the reinforced dwelling unit unit.

FIG. 5 is a perspective view showing a divided state of a second embodiment of the reinforced dwelling unit unit.

FIG. 6 is a plan view of a principal part showing a state in which a reinforced dwelling unit unit and a dwelling unit unit, which are arranged adjacent to each other, are connected by using a mounting hardware.

FIG. 7 is a perspective view showing a first embodiment of a reinforced dwelling unit formed by itself.

FIG. 8 is a perspective view showing a second embodiment of a reinforced dwelling unit formed by itself.

FIG. 9 is a plan view showing module cores of a reinforced dwelling unit and an equipment unit disposed inside.

FIG. 10 is a perspective view shown for explaining a unitized construction method of a conventional high-rise building.

FIG. 11 is a perspective view shown for explaining a unitized construction method of a middle and high-rise building according to another conventional technique.

[Explanation of symbols]

10A 1st Example of a reinforced dwelling unit unit 10 Dwelling unit 11,12,13,14 Wall part of the 1st Example of a reinforced dwelling unit 15 Floor part 16 of the 1st example of a reinforced dwelling unit 16 Upper division unit 17 Lower division unit 30A Second embodiment of reinforced dwelling unit unit 31, 32, 33, 34 Wall portion of second embodiment of reinforced dwelling unit unit 35 Floor of second embodiment of reinforced dwelling unit unit 36 Upper split unit 37 Lower division unit 40 Mounting hardware 50A First embodiment of reinforced dwelling unit formed by single body 60A Second example of reinforced dwelling unit formed by single R Reinforced dwelling unit row

Claims (2)

[Claims] 1. A plurality of dwelling unit units forming a dwelling unit on the first floor are arranged on the first floor of a building in front, rear, left and right, and the dwelling unit units forming each floor of the building are stacked on each dwelling unit unit, and front, rear, left, right, up and down. Is a middle-high-rise building that is formed by integrally integrating the dwelling unit units adjacent to each other, and the dwelling unit units that form at least one row along the up-down direction of the dwelling unit units include four-sided concrete wall portions and concrete floor portions. A structure of a middle- and high-rise building characterized by being made up of a box-shaped concrete dwelling unit unit with reinforced rigidity. 2. The structure of a medium-structure building according to claim 1, wherein the concrete dwelling unit has a shape that is at least vertically divided into two parts.