JPH06123155A - Floor structure of building and its construction method - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a large space for buildings. [Structure] A plurality of support columns 2, a floor frame 3 supported by being surrounded by the support columns 2, and a floor main body 4 fixed to an upper surface of the floor frame 3. The floor frame 3 is the floor frame 3
A cylindrical portion 6 arranged in the central portion of the, a floor beam 5 fixed to the tubular portion 6, the support column 2 and the outer peripheral column 10, and the floor beam 5
Of the supporting column 2 and the outer peripheral column 10 or the vicinity thereof or a tie rod 7 connected to the tubular portion 6. This tie rod 7 introduces prestress. [Effect] The vertical load applied to the floor frame is transmitted to the tie rod through the tubular portion, and the stress transmitted to the tie rod is canceled by the prestress of this tie rod, so the allowable load of the floor frame can be increased. Moreover, since the floor frame is supported by being surrounded by the supporting columns, the area of the floor frame can be increased and a large space can be provided in the building.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor structure of a building suitable for use in a building having a large space and a construction method thereof.

[0002]

2. Description of the Related Art Conventionally, a floor structure of a building is composed of a plurality of support pillars which are erected on the ground and a floor portion provided on each floor of the support pillars. This floor portion is composed of large beams bridged over the support columns and floor slabs cast on these large beams. The support pillar is composed of an outer peripheral pillar connected to the edge of the floor slab and an inner pillar penetrating the floor slab and connected to the floor slab. In the construction method of the floor structure of the building, a plurality of outer peripheral pillars and inner pillars are erected on the ground, bridges are bridged on each floor of these outer pillars and inner pillars, and floor slabs are placed on these bridges. .

[0003]

However, when a large space such as a high-density commercial space is required for a building, a floor having a large area is required. The area was reduced by the inner pillar. On the other hand, when the floor is supported only by the outer peripheral pillar, the vertical load applied to the central portion of the floor is not sufficiently transmitted to the outer peripheral pillar, and it is difficult to increase the area of the floor. Further, a large-scale facility covered with a dome roof or the like has a large space inside, but since this large space is supported by a large number of supporting members, it is difficult to provide these large spaces on multiple floors.

The present invention effectively solves the above problems, and an object of the present invention is to provide a floor structure of a building and a construction method thereof, in which the area of the entire floor portion can be increased and a large space can be constructed.

[0005]

A floor structure of a building according to claim 1, wherein a plurality of support pillars installed upright on the ground, a floor frame surrounded by the support pillars, and supported. A floor main body fixed to the upper surface of the floor frame, wherein the floor frame is fixed to the tubular portion arranged in the central portion of the floor frame, the tubular portion and the support column, and A floor beam arranged in a horizontal state between the floor beam, and a tie rod connected to the supporting column side end portion of the floor beam or its vicinity and the tubular portion,
Pre-stress is introduced into the tie rod.

The floor structure of a building according to claim 2 is the floor structure of a building according to claim 1, wherein the tie rods are
The floor beam is arranged below the floor beam, and one end of the floor beam is fixed to the lower end of the tubular portion, and the other end of the floor beam is fixed to the support column side end of the floor beam or in the vicinity thereof. The tie rod and the tubular portion are arranged in a substantially triangular shape in a vertical plane, and the floor beam is fixed to the tubular portion at an upper end portion of the tubular portion. To do.

The floor structure for a building according to claim 3 is the floor structure for a building according to claim 1, wherein the tie rods are
A plurality of radial beams are arranged radially from the cylindrical portion, and floor beams are arranged above these tie rods, respectively.

According to a fourth aspect of the present invention, there is provided the floor structure for a building according to the first aspect, wherein the floor structure is provided on a plurality of floors and a damper is provided between the floor structures. It is a feature.

A construction method of a floor structure of a building according to claim 5 is a construction method of a floor structure of a building according to claim 1, wherein a plurality of support columns are erected and the floor is set on the ground. The beam, the tubular portion, and the tie rod are fixed, and the beam is suspended to connect the floor beam to the support column.

A construction method of a floor structure of a building according to claim 6 is the construction method of a floor structure of a building according to claim 1, wherein a plurality of support pillars are erected and the support pillars are installed. A fixed floor portion is installed on the floor, and the floor beam, the tubular portion, and the tie rod are fixed on the ground, and the floor beam is connected to the support column by lifting the floor beam from the fixed floor portion by a plurality of floors. Is.

[0011]

In the floor structure of a building according to claim 1, a plurality of support columns erected on the ground, a floor frame supported by the support columns, and fixed to the upper surface of the floor frame. The floor main body is fixed to the floor frame, and the edge portion of the floor frame is supported by the plurality of support columns. The floor frame includes a tubular portion arranged in the central portion of the floor frame, a floor beam fixed between the tubular portion and the support column, and horizontally arranged between them, and a floor beam of the floor beam. Since the tie rods are connected to the supporting column side end portion or its vicinity and the tubular portion, and prestress is introduced into the tie rod, the load applied to the floor beam is tubular. To the tie rod, the stress of the tubular portion is transmitted to the tie rod, and the stress of the tie rod is offset by the prestress.

According to a second aspect of the present invention, the floor structure of a building has the function of the first aspect, and the floor beam, the tie rod, and the tubular portion are arranged in a substantially triangular shape within a vertical plane. Therefore, the vertical load applied to the floor beam is transmitted to the upper end portion of the tubular portion, and the stress of the tubular portion is transmitted from the lower end portion to the tie rod.

According to a third aspect of the floor structure of a building, the tie rod has the function of the first aspect.
A plurality of radially arranged from the tubular portion, the floor beam is arranged above these tie rods, respectively, the stress transmitted to the tubular portion is uniformly transmitted to the floor beam and the tie rod, The stress of this tie rod is uniformly transmitted to the floor beam.

The floor structure of a building according to claim 4 has the function of claim 1, and the floor structure is provided on a plurality of floors, and a damper is provided between the floor structures. , The vibration transmitted to the floor frame of each floor is reduced by this damper.

In the method for constructing a floor structure of a building according to a fifth aspect of the present invention, a plurality of support pillars are erected and fixed, and the floor beam, the tubular portion and the tie rod are fixed on the ground, and this is lifted to carry out the above. Since it is configured to connect the floor beam to the support pillar,
The floor frame of each floor is hoisted and constructed on each floor.

In the method for constructing a floor structure of a building according to claim 6, a plurality of support columns are erected and a fixed floor portion is constructed on the support columns, and the floor beam and the tubular portion are formed on the ground. And the tie rods are fixed, and the floor beams of a plurality of floors are lifted from the fixed floor portion and are constructed on the support columns because the floor beams are connected to the support columns by suspending the tie rods from the fixed floor portion for a plurality of floors. It

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the floor structure of a building and its construction method according to the present invention will be described below with reference to FIGS. As shown in FIGS. 1 and 2, reference numeral 1 is a floor structure of a building. The floor structure 1 of the building is a support column 2 that is erected on the ground and arranged at four corners, and these support columns. Surrounded by 2 is a floor frame 3 to be constructed on each floor, and a floor main body 4 to which the upper surface of the floor frame is fixed.

The floor frame 3 is provided with a tubular portion 6 arranged at the center of the floor frame 3, and a plurality of radially extending horizontal portions from the tubular portion 6, and the tubular portion 6 and the support. It is composed of a floor beam 5 fixed to the column 2, and a tie rod 7 connected to the end portion of the floor beam 5 on the outer peripheral column 10 (support column) side or in the vicinity thereof and the tubular portion 6. The outer peripheral pillar 10
Are juxtaposed between the adjacent support columns 2.

The tubular portion 6 is arranged at the center of the floor frame 3, the upper end portion is fixed to the floor beam 5, and the lower end portion is connected to the tie rod 7. The floor beam 5 is
It is composed of a plurality of small beams 8 radially arranged from the cylindrical portion 6, and a large beam 9 connected to the small beams 8 and bridged between the support columns 2.

The tie rod 7 is, as shown in FIG.
It is arranged below the beam 8 of the floor beam 5 and is arranged in a state where a plurality of prestresses are radially introduced from the tubular portion 6, and the lower end portion around the tubular portion 6 and the large beam 9 of the floor beam 5 are arranged. Is connected to the end of the outer peripheral column 10 side below. The cross beam 8 of the floor beam 5, the tie rod 7, and the tubular portion 6 are arranged in a substantially triangular shape in the vertical plane.

As shown in FIG. 4, a fixed floor portion 11 is fixed and joined to the support pillar 2 on the uppermost floor and a predetermined floor. The floor frame 3 is arranged on a plurality of floors between the fixed floor portions 11. Edge portions of floor beams 5 of the floor frame 3 are fixed to the support columns 2 and the outer peripheral columns 10.

Regarding the construction method of the floor structure of the building,
This will be described with reference to FIGS. The floor beam 5, the tubular portion 6 and the tie rod 7 are fixed in advance on the ground, and as shown in FIG. 5, a support pillar 2 is erected on the ground, and a fixed floor portion 11 is provided at the tip of the support pillar 2. Construct. Then, as shown in FIG. 6, a lifting equipment 14 such as a crane is provided on the fixed floor 11, and the floor beam 5 to which the tie rod 7 and the tubular portion 6 are fixed is lifted to a plurality of floors by the lifting equipment 14. .

After that, as shown in FIG.
The fixed floor portion 11 is installed on a predetermined floor of the above, and the outer peripheral pillar 10 is provided on the fixed floor portion 11, and the floor beams 5 of the plurality of floors are fixed to the outer peripheral pillar 10. Then, as shown in FIG. 8, the edge portion of the floor beam 5 is joined to the support column 2 to
By mounting the floor main body 4 on the floor, the floor frame 3 is supported by the supporting pillars 2.
Fixed to. On the other hand, the lifting equipment 14 is moved to a fixed floor 11 on a predetermined floor, and the floor frame 3 is lifted to a plurality of floors by the fixed floor 11.

Further, as shown in FIG. 9, a fixed floor portion 11 is constructed on the lower floor of the predetermined floor, and an outer peripheral pillar 10 is provided on the fixed floor portion 11, and the outer peripheral pillar 10 is provided with a plurality of floors. Fix the floor frame 3 respectively. After that, the lifting equipment 14 is moved to the fixed floor portion 11 of the lower floor, the floor beams 5 of the floor frame 3 are hung up to a plurality of floors, the outer peripheral pillar 10 is provided on the ground, and the outer peripheral pillar 10 has a plurality of floor floor structures. Fix 3 respectively.

In the floor structure 1 of the building, when the load in the vertical direction of the floor frame 3 is transmitted, this load is transmitted from the floor beam 5 of the floor frame 3 to the upper end of the tubular portion 6, and the tubular frame The stress of the portion 6 is transmitted to the tie rod 7 from its lower end. A plurality of the tie rods 7 are radially arranged from the tubular portion 6, and the tubular portion 6, the floor beam 5 and the tie rods are arranged in a substantially triangular shape within the vertical plane. Inside, the stress of the tie rod 7 is evenly transmitted to the end portion of the floor beam 5 on the outer peripheral column 10 side. At this time, since the pre-stress is introduced into the tie rod 7, the stress transmitted to the tie rod 7 is offset.

According to the floor structure 1 of such a building, a plurality of support columns 2 and outer peripheral columns 10 which are erected on the ground are installed.
And the floor frame 3 surrounded by the support columns 2 and the outer peripheral columns 10.
And a floor main body 4 fixed to the upper surface of the floor frame 3, the floor frame 3 having a tubular portion 6 arranged in the center of the floor frame 3, the tubular portion 6 and the tubular portion 6. Support pillar 2 and outer circumference pillar 1
0 is fixed to the floor beam 5, which is horizontally arranged between them, and the floor beam 5 is connected to the support column 2 and the outer column 10 side end portion or the vicinity thereof and the tubular portion 6. When the vertical load is transmitted to the floor frame 3, the load is transmitted to the tubular portion 6 and the stress of the tubular portion 6 is transmitted to the tie rod 7. Since the pre-stress is introduced into the tie rod 7, the stress transmitted to the tie rod 7 is offset.
Therefore, since the allowable load of the floor frame 3 can be increased, the inner column for supporting the floor frame 3 can be eliminated, and since the floor frame 3 is surrounded and supported by the support column 2, the floor frame 3 can be supported. The area can be increased and a large space can be provided in the building.

The tie rod 7 is arranged below the floor beam 5, one end of which is fixed to the lower end of the tubular portion 6, and the other end of which is the support column 2 and the outer periphery of the floor beam 5. The floor beam 5, the tie rods 7, and the tubular portion 6 are fixed in an end portion on the side of the pillar 10 or in the vicinity thereof, and are arranged in a substantially triangular shape in a vertical plane. Since the fixing is made on the upper end portion of the tubular portion 6, when a vertical load is transmitted to the floor beam 5, this load is transmitted to the upper end portion of the tubular portion 6, The stress of the tubular portion 6 is transmitted to the tie rod 7 from the lower end portion thereof. For this reason,
Since the stress transmitted in the vertical plane can be canceled by the tie rods 7, the allowable load of the floor frame 3 can be increased, and since the floor frame 3 is supported by being surrounded by the support columns 2, the floor frame 3 can be supported. The area of the building can be increased, and a large space can be provided in the building.

A plurality of the tie rods 7 are radially arranged from the tubular portion 6, and the beam 8 of the floor beam 5 is arranged above the tie rods 7, respectively. The stress is evenly transmitted to the floor beams 5 and the tie rods 7, and the stress of the tie rods 7 is uniformly transmitted to the support columns 2 and the outer peripheral columns 10 of the floor beams 5. Therefore, the load applied to the floor frame 3 can be uniformly distributed, and the allowable load of the floor frame 3 can be increased. Since the floor frame 3 is surrounded by the support columns 2 and supported, the area of the floor frame 3 can be reduced. It can be increased and a large space can be provided in the building.

A fixed floor 11 is fixed to the support pillar 2.
Since the floor frame 3 is joined to the fixed floor portion 11 on a plurality of floors, and the edge of the floor beam 5 of the floor frame 3 is fixed to the support column 2, A large space can be provided on a plurality of floors, and a large space can be secured on the upper surface of the floor frame 3.

According to the method for constructing the floor structure of the building,
Since a plurality of support pillars 2 are erected, the floor beams 5, the tubular portion 6 and the tie rods 7 are fixed on the ground, and the floor beams 5 are connected to the support pillars 2 by lifting them. The floor frame 3 on each floor is lifted up and constructed on each floor. For this reason, it is possible to eliminate the need to construct a beam on the site, improve the workability of the floor structure of a building, and shorten the construction period of the floor structure of a building.

On the other hand, a plurality of support pillars 2 are erected, a fixed floor portion 11 is installed on the support pillars 2, and the floor beams 5, the tubular portion 6 and the tie rods 7 are fixed on the ground.
Since the floor beams 5 are connected to the support columns 2 by hoisting them from the fixed floor portion 11 for a plurality of floors, the floor frames 3 of a plurality of floors are hoisted and installed on the support columns 2. Therefore, it is possible to eliminate the need to lift the floor frame 3 on each floor, and to shorten the construction period required for the floor structure of the building.

The floor structure 1 of the building may be provided on a plurality of floors, and a damper may be provided between the floor structures 1.
By providing this damper, when a strong impact is transmitted to the floor frame 3, the vibration of the floor frame 3 can be reduced by the damper, so that the earthquake resistance of the floor frame 3 can be improved and the safety of the floor structure of the building can be improved. Can be improved.

[0033]

As described above, according to the floor structure of a building and the construction method thereof of the present invention, the following effects can be obtained. According to the floor structure of the building according to claim 1,
A plurality of support pillars installed upright on the ground, a floor frame surrounded by the support pillars and supported, and a floor main body fixed to the upper surface of the floor frame, the floor frame being A tubular portion arranged in the central portion of the floor frame, a floor beam fixed to the tubular portion and the support column, and arranged horizontally between them.
When the vertical load is transmitted to the floor frame, the load is transmitted to the tubular portion because the tie rod is connected to the tubular column-shaped end portion of the floor beam or its vicinity and the tubular portion. Then, the stress of the tubular portion is transmitted to the tie rod. Since the pre-stress is introduced into this tie rod, the stress transmitted to the tie rod is canceled. Therefore, since the allowable load of the floor frame can be increased, the inner column supporting the floor frame can be eliminated,
Since the floor frame is supported by being surrounded by the supporting columns, the area of the floor frame can be increased and a large space can be provided in the building.

According to the floor structure of the building of claim 2,
In addition to being able to exert the effect of claim 1, in the floor structure of a building according to claim 1, the tie rod is arranged below the floor beam, and one end thereof is fixed to a lower end of the tubular part. And the other end is fixed to the end of the floor beam on the side of the support column or in the vicinity thereof, and the floor beam, the tie rod, and the tubular portion are arranged in a substantially triangular shape in a vertical plane. Then, since the fixing to the tubular portion is made at the upper end portion of the tubular portion, when a vertical load is transmitted to the floor beam, this load is applied to the upper end portion of the tubular portion. Is transmitted to the tie rod from its lower end. For this reason, the stress transmitted in the vertical plane can be offset by the tie rods, so that the allowable load of the floor frame can be increased, and the floor frame is supported by being surrounded by the supporting columns. Can be increased, and a large space can be provided in the building.

According to the floor structure of the building of claim 3,
In addition to the effect of claim 1, the tie rods are radially arranged from the tubular portion, and the floor beams are arranged above the tie rods. Is uniformly transmitted to the floor beam and the tie rod, and the stress of the tie rod is uniformly transmitted to the end portion of the floor beam on the side of the supporting column or its vicinity. Therefore, the load applied to the floor frame can be evenly distributed, so that the allowable load of the floor frame can be increased, and since the floor frame is supported by being surrounded by the support columns, the area of the floor frame can be increased. , A large space can be provided in a building.

According to the floor structure of the building of claim 4,
Since the effect according to claim 1 can be obtained, and the floor structure of the building according to claim 3 is configured such that the floor structures are provided on a plurality of floors and a damper is provided between the floor structures. When a strong vibration is transmitted to the floor frame, the vibration of the floor frame can be reduced by the damper, so that the earthquake resistance of the floor frame can be improved and the safety of the floor structure of the building can be improved.

According to the method for constructing a floor structure of a building according to claim 5, a plurality of support pillars are installed upright, and the floor beam, the tubular portion and the tie rod are fixed on the ground, and this is lifted. Since the floor beams are connected to the support columns, the floor frame of each floor is lifted up and constructed on each floor.
For this reason, it is possible to eliminate the need to construct a beam on the site, improve the workability of the floor structure of a building, and shorten the construction period of the floor structure of a building.

According to the floor structure of the building of claim 6,
The effect of claim 5 can be obtained, and a plurality of support pillars are installed upright, a fixed floor portion is constructed on the support pillars, and the floor beam, the tubular portion, and the tie rod are fixed on the ground. Then, since it is constructed such that a plurality of floors are suspended from the fixed floor and the floor beams are connected to the support columns, the floor frames of a plurality of floors are suspended and constructed on the support columns. For this reason, since the floor frame of a plurality of floors can be constructed by connecting the floor beams to the support columns, the floor frame of a plurality of floors can be easily constructed and the construction period required for the floor structure of the building can be shortened.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a floor structure of a building of the present invention.

FIG. 2 is a vertical sectional view of FIG.

FIG. 3 is a partially enlarged sectional view of FIG.

FIG. 4 is a vertical cross-sectional view showing the whole of FIG.

5 is a vertical cross-sectional view showing the entire support column of FIG.

FIG. 6 is a vertical cross-sectional view showing a state in which a floor frame is hung on the support column of FIG.

7 is a vertical cross-sectional view showing a state in which the floor frame of FIG. 6 is connected to a fixed floor section.

8 is a vertical cross-sectional view showing a state where the floor frame is hoisted by the fixed floor portion of FIG. 7.

9 is a vertical cross-sectional view showing a state in which the floor frame of FIG. 8 is connected to a fixed floor section.

[Explanation of symbols]

 1 Floor structure of building 2 Support column 3 Floor frame 5 Floor beam 6 Cylindrical part 7 Tie rod 10 Peripheral column (support column)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomomi Kanemi 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd.

Claims (6)

[Claims] 1. A plurality of support pillars erected on the ground, a floor frame supported by the support pillars, and a floor main body fixed to the upper surface of the floor frame, The floor frame includes a tubular portion arranged in the central portion of the floor frame, a floor beam fixed between the tubular portion and the support column, and horizontally arranged between them, and a floor beam of the floor beam. A floor structure for a building, comprising: a tie rod connected to the supporting column side end portion or the vicinity thereof and the tubular portion, and prestressing is introduced into the tie rod. 2. The floor structure of a building according to claim 1, wherein the tie rod is disposed below the floor beam, one end of the tie rod is fixed to a lower end of the tubular portion, and the other end of the tie rod is fixed. The floor beam is fixed to the support column side end portion or the vicinity thereof, and the floor beam, the tie rod, and the tubular portion are arranged in a substantially triangular shape in the vertical plane, and in the floor beam, the tubular portion A floor structure for a building, characterized in that the structure is fixed to the upper end of the tubular portion. 3. The floor structure of a building according to claim 1, wherein a plurality of the tie rods are arranged radially from the tubular portion, and floor beams are arranged above the tie rods, respectively. Floor structure of building. 4. The floor structure of a building according to claim 1, wherein the floor structure is provided on a plurality of floors, and a damper is provided between the floor structures. 5. The method for constructing a floor structure of a building according to claim 1, wherein a plurality of support pillars are installed upright,
A method for constructing a floor structure of a building, comprising fixing a floor beam, a tubular portion, and a tie rod on the ground, and hoisting the beam to connect the floor beam to the support column. 6. The method for constructing a floor structure of a building according to claim 1, wherein a plurality of support pillars are installed upright,
A feature is that a fixed floor is constructed on the support pillar, and a floor beam, a tubular portion, and a tie rod are fixed on the ground, and the floor beam is connected to the support pillar by lifting the floor beam from the fixed floor by a plurality of floors. Construction method of the floor structure of the building.