JPH1193273A - Unit building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obviate excavation of earth, and shorten a construction period by arranging pile-shaped footings under columns of a building unit of the lowest story. SOLUTION: Plural building units 1 are laterally and vertically joined together, and pile-shaped footings 31, 32 and 33 are arranged under columns 11 of a first floor unit 1 through installing stands 21 and 23, and a two-storied unit building A is constituted. Here, the footings 31, 32 and 33 are buried by being driven in earth of an execution work site of the building A while respectively rotating them. The installing stands 21 and 23 are respectively installed by welding on the footings 31, 32 and 33 buried in earth. Therefore, a unit building main body is supported by the footings 31, 32 and 33. In the first floor unit 1, since a joining part of floor beams and the columns 11 is formed as a rigid-frame structure, the unit 1 is strong to external force, and is not easily deformed, and joining of the floor beam and its under footings 31, 32 and 33 can make shift with simple pin joining by bolts and nuts of several places.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit building constructed by assembling a plurality of building units.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Patent Publication No. 56-51257
JP, JP-B-58-37462, JP-B-63-
As described in, for example, Japanese Patent Application Laid-Open No. 512227, a plurality of building units each formed in a substantially box shape by assembling a plurality of upper beams and lower beams with pillars arranged at four corners are assembled. Unit buildings are known.

In such a unit building, since the building unit is manufactured in a factory in advance and transported to a building site for assembly, it has various features such as stable quality, low cost, and short construction period. Therefore, it is used more and more recently.

As described in JP-B-58-37462, JP-B-63-51227, etc., the main body of such a unit building is not only below the column of the building unit on the lowest floor but also at the bottom. The building unit on the lower floor is constructed above a cloth foundation provided along the lower beam of the lower beam.

[0005]

However, providing a cloth foundation below the main body of the unit building as in the prior art has the following problems. That is, it is necessary to excavate the soil at the construction site in order to build a cloth foundation on the construction site, and it is necessary to treat the remaining soil, or when casting concrete, it takes a curing period, and it is difficult to shorten the construction period, When using a precast concrete foundation, there is a problem that it takes time to adjust the level.

The present invention has been made in order to solve such a problem in the conventional unit building, and an object of the present invention is to solve the problem in the conventional unit building and to excavate the soil. It is an object of the present invention to provide a unit building that can shorten the construction period without any problem.

[0007]

According to the first aspect of the present invention, there is provided a unit building constructed on a foundation, wherein a main body of the unit building connects a plurality of upper beams, lower beams and columns. It is constructed by assembling a plurality of substantially unit-shaped building units, and a pile-shaped foundation is provided below columns of the building units on the lowest floor.

A unit building according to a second aspect of the present invention is the unit building according to the first aspect, wherein a plurality of upper beams, lower beams and columns of the building unit are joined to a rigid frame structure. It is assumed that.

A unit building according to a third aspect of the present invention is the unit building according to the first or second aspect, wherein the pile-like foundation is made of a steel pipe.

According to a fourth aspect of the present invention, there is provided a unit building according to the third aspect, wherein a spiral blade is provided on an outer surface of a tip end of the steel pipe.

In the present invention, the materials used for the upper beams, lower beams and columns of the building unit may be those conventionally used as the materials for the upper beams, lower beams and columns of the building unit. Although not particularly limited, for example, a mold steel such as a channel steel, an H-type steel, a T-type steel, and a steel pipe or wood having a circular or square cross section can be used.

Further, in the present invention, the material of the pile-shaped foundation is not particularly limited as long as it is a material conventionally used as a pile-shaped foundation, and examples thereof include channel steel, H-shaped steel, and T-shaped steel. And steel pipes having a circular or square cross section, wood such as pine, and reinforced concrete. In particular, when a steel pipe is used, it is possible to reach the deep part of the ground, so it is possible and preferable that the foundation has a large supporting force.When using a steel pipe provided with spiral blades on the outer surface of the tip, Is more preferable because no noise is generated by driving while rotating.

In the unit building according to the first aspect of the present invention, a plurality of building units, each of which has a substantially box-like shape by joining a plurality of upper beams, lower beams and columns, to the unit building body. Since the pile foundation is provided below the pillar of the building unit on the lowest floor, the unit building body is constructed by the pile foundation provided below the pillar of the building unit on the lowest floor. Supported.

In the building unit of the lowest floor, the joint between the lower beam and the pillar can be of a ramen structure, so that the joint between the pillar and the pile-like foundation below the pillar can be simplified.

In the unit building according to the second aspect of the present invention, since the plurality of upper beams, lower beams and columns of the building unit are joined to the rigid frame structure, the columns and the pile-like foundation below the columns are formed. Is a simple connection.

Further, in the unit building according to the third aspect of the present invention, since the pile-like foundation is made of steel pipe, it can reach a deep part of the ground and can be a foundation having a large supporting force.

Further, in the unit building according to the present invention, since the spiral blade is provided on the outer surface of the tip of the steel pipe, the steel pipe can be driven into the ground by rotating the pipe, and no noise is generated.

[0018]

Next, embodiments of the present invention will be described with reference to the drawings. 1 is an explanatory view showing an example of the unit building of the present invention, FIG. 2 is an enlarged exploded perspective view of a main part of the unit building of the present invention shown in FIG. 1, and FIG. 3 is an enlarged perspective view of a main part of the unit building of the present invention shown in FIG. 4 is a sectional view taken along line IV-IV in FIG.

In FIG. 1, A is a unit building of the present invention, and the unit building of the present invention includes a plurality of building units 1,
Are connected to the left and right and up and down, and pile-like foundations 31, 32, 33 and 34 are provided below the pillars 11 of the building unit 1 on the first floor via mountings 21, 22, 23 and 24, and the second floor is provided. It is composed of built buildings.

As shown in FIG. 2, the building unit 1 has groove-shaped steel junction pieces 12 attached by welding to upper and lower ends of columns 11 made of steel square pipes at four corners, and straddles the upper and lower ends of the junction pieces 12. A short grooved steel ceiling beam 13 and floor beam 14 are attached by welding,
A long channel-shaped steel ceiling beam 15 and a floor beam 16 are attached by welding, and have a box-shaped structure in which the column 11 and the beams 13, 14, 15, 16 are connected in a rigid frame structure. A plurality of wooden beams 17 are installed between two substantially parallel long ceiling beams 15 and 15 of the box-shaped structure, and a steel square pipe is inserted between the two substantially parallel long floor beams 16 and 16. A plurality of the small beams 18 are erected through the groove-shaped mounting pieces 181 to form the framework of the building unit 1.

As shown in FIG. 1, the mounting table 21 is provided below one pillar 11 of the building unit 1. The mounting table 21 is, as shown in FIG.
A reinforcing plate 213 is provided between the upper plate 211 and the steel lower plate 212, and two mounting holes 214 are formed in the upper plate 211.

The mounting base 22 is composed of two building units 1 adjacent to each other in the wife direction of the unit building A, and two adjacent columns 1
1 is provided below b, and the mounting base 22 is shown in FIG.
As shown in FIG. 5, a reinforcing plate 223 is provided between a steel upper plate 221 and a steel lower plate 222, and four mounting holes 224 are formed in the upper plate 221. The length L1 of the mounting base 22 in the girder direction is substantially equal to the length L1 of the mounting base 21 in the girder direction, and the width W2 of the mounting base 22 in the end direction is almost twice as long as the width W1 of the mounting base 21 in the end direction. It is equipped with.

The mounting stand 23 comprises two building units 1 adjacent to each other in the girder direction of the unit building A, and two adjacent columns 1
1 is provided below c, and the mounting base 23 is shown in FIG.
As shown in FIG. 7, a reinforcing plate 233 is provided between a steel upper plate 231 and a steel lower plate 232, and four mounting holes 234 are formed in the upper plate 231. The length L2 of the mounting base 23 in the girder direction is substantially twice as long as the length L1 of the mounting base 21 in the girder direction, and the width W1 of the mounting base 23 in the end direction is the width W1 of the mounting base 21 in the end direction. And are almost equal.

The mounting stand 23 is composed of two building units 1 adjacent to each other in the girder direction of the unit building A,
1 is provided below c, and the mounting base 23 is shown in FIG.
As shown in FIG. 7, a reinforcing plate 233 is provided between a steel upper plate 231 and a steel lower plate 232, and four mounting holes 234 are formed in the upper plate 231. The length L2 of the mounting base 23 in the girder direction is substantially twice as long as the length L1 of the mounting base 21 in the girder direction, and the width W1 of the mounting base 23 in the end direction is the width W1 of the mounting base 21 in the end direction. And are almost equal.

The mounting stand 24 is provided below the four columns 11 adjacent to the four building units 1, 1... Adjacent in the girder direction and the wife direction of the unit building A. As shown in FIG. 2, a reinforcing plate 243 is provided between a steel upper plate 241 and a steel lower plate 242, and
One is provided with four mounting holes 244.
The length L2 of the mounting base 24 in the girder direction is substantially twice as long as the length L1 of the mounting base 21 in the girder direction, and the width W2 of the mounting base 24 in the end direction is the width W1 of the mounting base 21 in the end direction. It is almost twice as long.

The pile-shaped foundation 31 is provided below the mounting base 21, the pile-shaped foundation 31 is provided with a one-pitch steel spiral blade 312 below the steel pipe main body 311 and a lower end provided with a digging blade 313. Have been.

The pile-shaped foundation 32 is provided below the mounting base 22, and the pile-shaped foundation 32 is provided with a one-pitch steel spiral blade 322 below the steel pipe main body 321 and a drilling blade 323 at the lower end. Have been. The outer diameter of the steel pipe main body 321 is slightly larger than the outer diameter of the steel pipe main body 311 of the pile-shaped foundation 31.

The pile-shaped foundation 33 is provided below the mounting base 23, and the pile-shaped foundation 33 is provided with a one-pitch steel spiral blade 332 below the steel pipe main body 331, and a drilling blade 333 at the lower end. Have been. The outer diameter of the steel pipe main body 331 is substantially equal to the outer diameter of the steel pipe main body 321 of the pile-shaped foundation 32.

The pile-shaped foundation 34 is provided below the mounting stand 24, and the pile-shaped foundation 34 is provided with a one-pitch steel spiral blade 342 below the steel pipe body 341 and a drilling blade 343 at the lower end. Have been. The outer diameter of the steel pipe main body 341 is slightly larger than the outer diameter of the steel pipe main body 331 of the pile-shaped foundation 33.
Is almost equal to

The pile foundations 31 to 34 are buried by being driven into the soil at the construction site of the unit building A while rotating them. The mounting bases 21 to 24 are respectively mounted on the pile-like foundations 31 to 34 buried in the soil by welding.

As shown in FIGS. 3 and 4, the pillar 11 of the building unit 1 is mounted on the mount 21, and the floor beam is superimposed on the lower piece 121 of the joint piece 12 attached to the pillar 11. The building unit 1 is mounted on the mounting base 21 by screwing a nut 42 into a bolt 41 through which the lower piece 161 of the 16 and the upper plate 211 of the mounting base 21 pass through the mounting hole 214 of the upper plate 211. Similarly, the building units 1 are mounted on the other mounting bases 22 to 24.

In the unit building A of the present invention shown in FIG. 1, a unit building body composed of a plurality of building units 1, 1,. , 33, 34 are provided,
The unit building body is supported by the pile foundations 31, 32, 33, 34.

The building unit 1 on the first floor has a floor beam 16 and a pillar 1
1 has a rigid frame structure, so that the building unit 1 is strong against external force and is not easily deformed, and the columns 11, floor beams 16, etc., and the pile-like foundation 31 therebelow. , 32, 33, and 34 can be connected by simple pins using bolts and nuts at several places.

Further, since the main bodies 311, 321, 331, and 341 of the pile-like foundations 31, 32, 33, and 34 are made of steel pipes, the piles can reach a deep part of the ground and can be used as a foundation having a large supporting force.

Since the spiral blades 312, 322, 332, 342 are provided below the pile foundations 31, 32, 33, 34, the pile foundations 31, 32, 33, 34 are rotated. It can be driven into the ground and does not generate noise.

FIG. 5 is a perspective view showing a main part of another example of the unit building of the present invention. In the unit building B of the present invention shown in FIG.
Are formed, and female screw holes 203 are provided in the vicinity of four corners of the upper plate 201 and the lower plate 202 of the mounting base 20 mounted on the upper end of the pile-shaped foundation 30. Both ends of the provided bolt 204 are screwed, and a bolt (not shown) is inserted into the mounting hole 112 of the bottom plate 111 of the column 11 and the mounting hole 205 formed in the upper plate 201, and the nut is tightened. The bottom plate 111 and the upper plate 201 are attached, and the column 11 is installed and fixed above the pile-shaped foundation 30.

In the unit building B of the present invention shown in FIG. 5, the height of the upper plate 201 can be adjusted by rotating the large-diameter portion 206 having a hexagonal cross section provided in the middle of the bolt 204. Has become. When a plurality of columns 11 are supported by the mounting base 20, a plurality of mounting holes 205 are formed in the upper plate 201 so that the bottom plate 111 of the plurality of columns 11 is formed.
The upper plate 201 and the upper plate 201 may be attached by bolts and nuts inserted through the plurality of attachment holes 205.

Although the embodiment of the present invention has been described with reference to the drawings, the configuration of the present invention is not limited to the illustrated embodiment, and design changes within the scope of the present invention are included in the present invention. It is. For example, in the illustrated embodiment,
Although this is an example of a two-story unit building, it may be a unit building having three or more stories.

In the embodiment shown in the drawings, mounting bases 21 to 24 are provided between the pillar 11 of the building unit 1 and the pile foundations 31, 32, 33, 34. Pillars of building unit 1 without providing
1 may be directly attached to the pile-like foundations 31, 32, 33, 34.

[0040]

According to the first aspect of the present invention, there is provided a unit building having a plurality of substantially unit-shaped building units formed by joining a plurality of upper beams, lower beams and columns. It is constructed by assembling and the pile foundation is provided below the pillar of the building unit on the lowest floor, so the unit building body is supported by the pile foundation provided below the pillar of the building unit on the lowest floor Is done.

In the building unit on the lowest floor, the joint between the lower beam and the pillar can be of a ramen structure, so that the joint between the pillar and the pile-like foundation below it can be simplified.

Further, in the unit building according to the second aspect of the present invention, since the pile-like foundation is made of steel pipe, it can reach the deep part of the ground and can be a foundation having a large supporting force.

Further, in the unit building according to the third aspect of the present invention, since the spiral blade is provided on the outer surface of the tip of the steel pipe,
By rotating the steel pipe, it can be driven into the ground and does not generate noise.

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view showing an example of a unit building of the present invention.

FIG. 2 is an enlarged exploded perspective view of a main part of the unit building of the present invention shown in FIG.

FIG. 3 is an enlarged exploded perspective view of a main part of the unit building of the present invention shown in FIG. 2;

FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3;

FIG. 5 is an enlarged exploded perspective view of a main part of another example of the unit building of the present invention.

[Explanation of symbols]

 A, B Unit building of the present invention 1 Building unit 11 Column 12 Joint piece 13, 14 Ceiling beam 15, 16 Floor beam 17, 18 Small beam 21-24 Mounting base 211, 221, 231, 241 Upper plate 212, 222, 232, 242 Lower plate 213, 223, 233, 243 Reinforcement plate 214, 224, 234, 244 Mounting hole 31-34 Pile-like foundation 311, 321, 331, 341 Steel pipe main body 312, 322, 332, 342 Spiral blade 313, 323, 333 , 343 digging blade 41 bolt 42 nut

Claims (4)

[Claims] In a unit building constructed on a foundation, a unit building body is constructed by assembling a plurality of substantially box-shaped building units by joining a plurality of upper beams, lower beams and columns. A unit building, wherein a pile-shaped foundation is provided below columns of a building unit on the lowest floor. 2. The unit building according to claim 1, wherein a plurality of upper beams, lower beams and columns of the building unit are joined to a rigid frame structure. 3. The unit building according to claim 1, wherein the pile-like foundation is made of a steel pipe. 4. The unit building according to claim 3, wherein a spiral blade is provided on an outer surface of a tip end of the steel pipe.