JP2000248564A - Unit building construction having basement and construction method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a building unit in which trouble of individual design or the like is not generated by fitting a building unit of upper story onto a building unit of lower story. SOLUTION: An opening part 12a provided on the top board 12 of a basement unit 2 and a floor face opening part 51 provided on the floor face part 5f of a ground unit 5 are made to coincide with each other in the size and form. Fixing bolts 17 erected on the four corners of the upper face of the top board 12 of the basement unit 2 are arranged to through insert holes 5m provided on the respective joint pieces 5g provided on the four corners on the floor face side of the ground unit, and by only fastening them through nut members 30, the opening part 12a of the basement unit and the floor face opening part of the ground unit 5 are made to coincide with each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit building structure having a basement in which a ground unit is mounted on a basement unit for a basement, and a construction method thereof.

[0002]

2. Description of the Related Art In recent years, the number of cases of building a basement-equipped house has been increasing due to relaxation of a floor area ratio or the like.

Conventionally, as a basement of a house, a concrete basement of a site construction type is known. In order to construct such a site-installed concrete basement, the opening area and position are individually designed in accordance with the weight of the upper floor.

[0004]

However, in the case of manufacturing a site-installed concrete basement as described above, it is necessary to individually design the opening area and the like for each manufacturing, and the design is troublesome. Was. Further, the work on site requires labor such as adjusting the dimensions of the opening area and the like based on the design result, and has also caused trouble on the construction site.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a unit building structure and a method of constructing the same, which does not cause trouble such as individual design for each basement.

[0006]

According to the first aspect of the present invention, a basement unit having a staircase extending from a lower part of a basement toward a ceiling entrance opening of a basement ceiling is provided. After being buried in the basement, the floor of the ground unit is placed on the ceiling of the basement, and the floor entrance opening provided on the floor is aligned with the ceiling entrance opening, and the ground unit is fixed to the basement unit. A unit building structure having a basement constructed as described above, wherein the ceiling of the basement unit and the floor of the ground unit have the same size and shape, and the ground unit is the same as the basement unit. Forming a floor entrance opening corresponding to the position of the ceiling entrance opening of the basement unit when the basement unit is placed on the basement unit, The well and the floor of the ground unit are provided with positioning mounting means for mounting the basement unit and the ground unit so as to be coincident with each other, and by simply mounting the ground unit on the basement unit by the positioning mounting means, the basement is provided. The ceiling entrance opening of the unit and the floor entrance opening of the ground unit coincide with each other.

In the invention described in claim 2, the positioning means comprises a plurality of stud bolts projecting upward from a ceiling of the basement unit and provided at at least four corners of the ceiling, and the ground unit floor. A stud bolt formed in the portion, and a fixing nut for tightening the stud bolt passed through the through hole.

According to the invention described in claim 3, after the basement unit provided with the stairs extending from the lower part of the basement toward the ceiling entrance opening of the basement ceiling is buried in the ground,
A basement in which the floor of the ground unit is placed on the basement ceiling and the floor entrance opening provided on the floor is matched with the ceiling entrance opening to fix the ground unit to the basement unit. A method of constructing a unit building, comprising: a ceiling portion of the basement unit and a floor portion of the ground unit having the same size and shape, and mounting the ground unit so as to coincide with the basement unit. A floor entrance opening corresponding to the position of the ceiling entrance opening of the basement unit when the base unit is placed is formed, and when the ground unit is mounted on the basement unit, the floor of the ground unit is attached to the ceiling of the basement unit. The opening of the ceiling entrance of the basement unit coincides with the opening of the floor entrance of the above-ground unit just by matching the base unit. And wherein the door.

[0009]

According to the first aspect of the present invention, the ceiling and the floor of the basement unit are formed to have the same size and shape, and the ground unit is placed on the basement unit so as to match. Sometimes a floor entrance opening that matches the position of the ceiling entrance opening of the basement unit is formed, and between the ceiling part of the basement unit and the floor part of the ground unit, a positioning mounting for aligning the basement unit and the ground unit with each other Means are provided, and the ceiling entrance opening of the basement unit and the floor entrance opening of the ground unit coincide with each other only by mounting the ground unit on the basement unit by this positioning attachment means, so that the design of each basement is unnecessary. In addition, work efficiency and manufacturing cost can be reduced.

According to the second aspect of the present invention, the positioning means comprises a plurality of stud bolts projecting upward from a ceiling of the basement unit and provided at at least four corners of the ceiling, and a floor unit of the ground unit. The stud bolt formed through the through hole and the fixing nut for tightening the stud bolt passed through the through hole, the basement unit and the ground unit can be positioned and fixed with a simple structure, and the work efficiency can be improved. , And reduction of manufacturing cost.

According to the third aspect of the present invention, the ceiling of the basement unit and the floor of the ground unit are formed to have the same size and shape, and the ground unit is mounted on the basement unit so as to match. A floor entrance opening corresponding to the position of the ceiling entrance opening of the basement unit when the base unit is placed is formed, and when the ground unit is mounted on the basement unit, the floor of the ground unit is attached to the ceiling of the basement unit. The base entrance and exit of the basement unit are made to coincide with the floor entrance and exit of the above-ground unit only by adjusting the base unit, so that the design and the like for each basement are not required, and work efficiency and manufacturing cost are reduced. Can be.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

First, the configuration of this embodiment will be described.

As shown in FIG. 1, a unit building 1 includes basement units 2 and 3 for a basement installed in a basement.
And ground units 4,5 for the ground installed on the ground
6, 7, 8, and 9.

Since the basement unit 3 is configured substantially the same as the basement unit 2, the same or similar parts of the basement unit 3 as those of the basement unit 2 are denoted by the same reference numerals, and description thereof is omitted.

The basement unit 2, as shown in FIG.
Bottom plate (lower basement) 11 and top plate (basement ceiling) 12
And a pair of opposing end walls 13, 13 and one girder wall 14
, And has a substantially box shape having a girder opening 15 on the other girder surface. In addition, a pair of wife walls 13,
The horizontal section of the basement unit 2 has a U-shape due to the three side walls 13 and the girder wall 14.

The top plate 12 has an opening (a ceiling entrance / exit opening) 12a communicating with the upper floor. Further, inside the basement unit 2, a stair 16 extending from the bottom plate 11 toward the opening 12a is provided. The stairs 16 include a landing 16a provided substantially at the center of the basement unit 2 and a first step 16b extending from the bottom plate 2 toward the landing 16a and provided integrally with the landing 16a.
And extending from the landing 16a toward the opening 12a so as to bend in a direction opposite to the first step 16b.
And a second stair portion 16c provided integrally therewith. The stairs 16 include a portion where the first step portion 16b abuts on the bottom plate 2 and a portion where the second step portion 16c and the top plate 16 abut.
Are fixed with bolts and nuts (not shown) at the portions where they abut.

The bottom plate 11, the top plate 12, and the end walls 13, 1
3, and the girder wall 14, as shown in FIGS. 3 and 4, the outer wall members 21a to 21c made of steel plates and the outer wall members 21 respectively.
Structural material 2 arranged on the inner surface side of a to 21c and fixed by welding
2 (to be a floor beam 23, a ceiling beam 24, and a column 25, respectively), and an inner wall member 26 can be attached to the inside of the structural member 22.

The sides of the outer wall members 21a to 21c that are in contact with each other are welded to each other, so that the welded portions are kept watertight. In addition, at least the outer surfaces of the outer wall materials 21a to 21c are subjected to a waterproof / rust-proof treatment such as a super-thick film type semi-permanent rust-proof system coating.

The bottom plate 11, the top plate 12, and the wall 1
3 and 13, floor beams 23 and ceiling beams 24 as structural materials 22
And columns 25 are provided. These floor beams 23 and ceiling beams 24
As shown in FIG. 4, the column 25 and the column 25 are combined in a rectangular shape in side view, and are integrated by welding or the like to form a rectangular steel frame 27. A plurality of the square-shaped steel frames 27 are arranged in the wife direction. The adjacent basement units 2 and 3 are connected to the girder opening 1
5, 15 are opposed. Openings 15, 15 of the girder surfaces of the basement units 2, 3 have square-shaped steel frames 2 which also function as joints for interconnection.
As shown in FIG. 5, the square steel frames 27 can be fastened to each other by bolts 29 and nuts 30 via sealing materials 28 such as a water-swellable waterproof sealing material. It has become. In FIG. 3, the middle square-shaped steel frame 27 in the middle has an H-shaped cross section, but the square-shaped steel frame 27 of the joint portion is arranged in a C-shaped cross section so as to be back-to-back so as to be easily interconnected. Have been.

Four fixing bolts (stud bolts) 17... Connecting the ground unit 5 are provided upright at four corners on the upper surface side of the top plate 12 of the basement unit 2.

The basement unit 3 has the stairs 16
And the basement unit 2 without the opening 12a
Are connected to the side of the girder opening 15 to constitute a basement.

As shown in FIG. 2, the ground unit 5 has a substantially rectangular upper surface 5c composed of a pair of metal ceiling beams 5a and 5a and a pair of cross beams 5b and 5b as a frame.
And a substantially rectangular floor portion (floor portion) composed of a pair of floor beams 5d, 5d and a pair of cross beams 5e, 5e as a frame frame.
5f are joined to the upper and lower ends of the four hollow column members 5h through the joint pieces 5g, respectively, to form a substantially box-shaped ramen structure. The inner and outer wall members are attached to the side surfaces of the wife of the ramen structure. The basement unit 2 and the ground unit 5 are placed on the floor 5f.
Is connected to the ceiling opening 12a of the basement unit 2, a floor opening (floor entrance opening) 51l having the same size and shape of the ceiling opening 12a is formed. At the lower side of the joint piece 5g provided at the four corners on the floor side, insertion holes 5m for inserting the fixing bolts 17 of the basement unit 2 are formed.

The ground units 4, 6, 7, 8, and 9 have the same configuration as the ground unit 5 except that no opening is formed in the floor surface, and a detailed description thereof will be omitted.

Next, the operation of this embodiment will be described.

At the time of constructing the unit building 1, after the ground survey and leveling are performed at the construction site, earth retaining, root cutting, and mountain retaining are performed. The excavation width is 400 mm from the end face of the girder and 200 mm from the end face of the girder.

Crushed stones are laid on the excavated bottom surface portion 41, a sufficient compaction operation is performed, and discarded concrete is struck. The discarded concrete has a thickness of 50 mm or more and an Fc of 135 kg / square cm or more.

On this, a reinforcing bar and an anchor set are performed, and the thickness is 300 to 500 mm and the Fc is 180 kg / square c.
m, and after the ready-mixed concrete is struck so as to have a thickness of 25 m or more, an empty kneading mortar is laid with a thickness of 25 mm while adjusting the level.

The basement units 2 and 3 are arranged on the foundation 42 thus formed. Next, the basement unit 2 is installed on the foundation 42 and the position and the level are adjusted. The basement units 2 and 3 are installed using foundation 4
An anchor bolt (not shown) buried in 2 is used.
Next, caulking of the joint portion is performed, and the adjacent basement units 2 and 3 are installed while taking care not to damage the seal member 28 of the unit, and the bolt 29 of the joint portion is tightened. After the basement units 2 and 3 have been installed in this way, the level is checked again, and the anchor bolts are tightened.

Finally, coating of the outer wall materials 21a to 21c (waterproofing / rustproofing treatment such as coating of a super-thick film type semi-permanent rustproofing system)
Is checked and repaired if there is any abnormality.
Backfill while tamping with 4.

At this time, the upper portions of the basement units 2 and 3 are made to protrude from the site by the height 46 of the usual foundation 45 for the ground units 4, 7, 8, and 9. Thus, the underground part of the unit building 1 is constructed.

Then, an ordinary foundation 45 for the ground units 4, 7, 8, 9 is provided continuously above the basement units 2, 3, and the ground unit 5 is placed on the basement unit 2, Above the underground unit 3 is the ground unit 6
Is placed on the foundation 45, and the ground units 4, 7, and
8 and 9 are placed.

At this time, as shown in FIG. 6, fixing bolts 17 erected from the upper surface of each corner of the basement unit 2
Through the bolt insertion hole 5m of the ground unit 5, and furthermore, it is fastened by a nut member 30 (fixed nut) with a galvanized steel plate 31 for level adjustment interposed. The fixing bolt 17, the insertion hole 5m, and the nut member 30 are
The basement unit 2 and the ground unit 3 constitute a positioning and fixing means.

Further, other ground units 4, 6, 7, 8, and 9 are attached by the same operation, and the unit building 1 is mounted.
Is constructed.

As described above, the openings 12a and 5l formed in the units 2 and 5 are aligned by merely connecting the ground unit 5 on the basement unit 2, and the sizes of the openings 12a and 5l are further adjusted. Since the shape and the shape are the same, troublesome work is unnecessary when connecting the basement unit 2 and the ground unit 5 at the construction site, and the work efficiency can be improved.

[0036]

As described above, according to the first aspect of the present invention, after the basement unit having the stairs extending from the lower part of the basement to the ceiling entrance opening of the basement ceiling is buried in the ground, A basement constructed by placing a floor of a ground unit on a ceiling and aligning a floor entrance opening provided in the floor with the ceiling entrance opening, and fixing the ground unit to the basement unit. Wherein the ceiling of the basement unit and the floor of the ground unit have the same size and shape, and the ground unit is placed so as to coincide with the basement unit. A floor entrance opening corresponding to the position of the ceiling entrance opening of the basement unit when the The unit is provided with positioning mounting means for mounting the basement unit and the ground unit in alignment with each other, and by simply mounting the ground unit on the basement unit by the positioning mounting means, the ceiling entrance opening of the basement unit and the ground Since the floor entrance and exit openings of the unit coincide with each other, design and the like for each basement are not required, and work efficiency and manufacturing cost can be reduced.

According to the second aspect of the present invention, the positioning means includes a plurality of stud bolts projecting upward from the ceiling of the basement unit and provided at at least four corners of the ceiling, and the ground unit floor. And a fixing nut for tightening the stud bolt passed through the insertion hole, so that the basement unit and the ground unit can be positioned and fixed with a simple structure, and the work efficiency is improved. , And reduction of manufacturing cost.

According to the third aspect of the present invention, after the basement unit having the stairs extending from the lower part of the basement toward the ceiling entrance opening of the basement ceiling is buried in the ground, the floor of the ground unit is placed on the basement ceiling. A method of constructing a unit building having a basement in which a floor unit is mounted and a floor entrance opening provided in the floor unit is matched with the ceiling entrance opening, and the ground unit is fixed to the basement unit. The ceiling of the basement unit and the floor of the ground unit have the same size and shape, and the ceiling entrance of the basement unit when the ground unit is placed in alignment with the basement unit A floor entrance opening corresponding to the position of the opening is formed, and when the ground unit is mounted on the basement unit, the floor unit is installed. Since the floor of the Tsu bets were to the floor entrance opening of the ceiling entrance opening and the ground unit of only the basement unit match the ceiling of the basement unit match, design of each basement becomes unnecessary,
Work efficiency can be improved and manufacturing costs can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a unit building 1 according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a basement unit 2 and a ground unit 5 according to the embodiment of the present invention.

FIG. 3 is a longitudinal sectional view of the basement unit 2 according to the embodiment of the present invention as viewed from the front.

FIG. 4 is a longitudinal sectional view of the basement unit 2 according to the embodiment of the present invention as viewed from the side.

FIG. 5 is a partially enlarged horizontal sectional view showing a connection between basement units 2 and 3 according to the embodiment of the present invention.

FIG. 6 is a partially enlarged longitudinal sectional view showing the connection between the basement unit 2 and the ground unit 5 according to the embodiment of the present invention.

[Explanation of symbols]

 2 basement unit 5 ground unit 5f floor 5g joint piece 5l floor opening 5m insertion hole 12 top plate 12a opening 17 fixing bolt (stud bolt) 30 nut member

Claims (3)

[Claims] 1. A basement unit having a staircase extending from a lower part of a basement to a ceiling entrance opening of a basement ceiling is buried in the ground, and then a floor of the ground unit is placed on the basement ceiling. A unit building structure having a basement constructed such that a floor entrance opening provided on a floor is aligned with the ceiling entrance opening and the ground unit is fixed to the basement unit, wherein the ceiling of the basement unit is provided. And the floor of the ground unit are formed to have the same size and shape, and coincide with the position of the ceiling entrance opening of the basement unit when the ground unit is placed in alignment with the basement unit. A floor entrance opening is formed, and the basement unit and the ground unit are provided on the ceiling of the basement unit and the floor of the ground unit. Positioning and mounting means for matching and mounting is provided, and only by mounting the ground unit on the basement unit by the positioning and mounting means, it is determined that the ceiling entrance opening of the basement unit matches the floor entrance opening of the ground unit. Unit building structure with characteristic basement. A plurality of stud bolts projecting upward from a ceiling of the basement unit and provided at at least four corners of the ceiling; and a stud bolt formed on a floor of the ground unit. 2. A unit building structure having a basement according to claim 1, wherein the unit building comprises an insertion hole inserted through the base hole, and a fixing nut for tightening a stud bolt passed through the insertion hole. 3. A basement unit having a staircase extending from the lower part of the basement to the ceiling entrance opening of the basement ceiling is buried in the ground, and the floor of the ground unit is placed on the basement ceiling. A method of constructing a unit building having a basement in which a floor entrance opening provided on a floor is made to coincide with the ceiling entrance opening, and the ground unit is fixed to the basement unit, comprising: The floor unit has the same size and shape as the floor unit, and the floor unit matches the position of the ceiling entrance opening of the basement unit when the ground unit is placed in alignment with the basement unit. An entrance opening is formed, and when the ground unit is mounted on the basement unit, the floor of the ground unit is attached to the basement. A method for constructing a unit building having a basement, characterized in that the ceiling entrance opening of the basement unit and the floor entrance opening of the ground unit coincide with each other only by adjusting to the ceiling of the unit.