JPH08246476A - Method of constructing underground structure - Google Patents

Abstract

PURPOSE: To omit earth retaining work taking much time by using a wall substrate of an underground structure as an earth retaining material, at the same time, preventing very rationally the waste of the material economically, and making it possible to speedily arrange horizontal bar members and vertical bar members. CONSTITUTION: An underground structure formation hole is bored in the ground 1, column members 2, 2,... are erected around a side wall section of the underground structure formation hole and, at the same time, floorings 3 are laid on the bottom of the underground structure formation hole to form floor substrates 4. Horizontal bar members 6, 6,... are constructed on bar holding sections arranged in the longitudinal direction of the column members 2, 2,... and, at the same time, they are intersected with the horizontal bar members 6, 6,... to arrange vertical bar members 7, 7,... Form panels 8 and 8 are arranged to both sides of a bar arrangement section at an interval and, at the same time, a wall substrate 10 used for earth retaining is formed by placing concrete 9 between the form panels 8 and 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of constructing a basement or other underground structure.

[0002]

2. Description of the Related Art Conventionally, when building a basement or other underground structure, an underground structure forming hole is dug in the ground,
In order to prevent landslides on the inner peripheral surface of the underground structure forming hole, two formwork panels are arranged side by side on the inner peripheral surface with a space therebetween, and a horizontal reinforcing bar made of a reinforcing bar between the formwork panels and After arranging the vertical bars and placing concrete and carrying out mountain retaining work, the pillar material of the underground structure is erected near the side wall of the underground structure forming hole and at the bottom of the underground structure forming hole. A floor material is laid to form a floor base, horizontal bar members and vertical bar members are laid between the pillar members, and form panel panels are arranged side by side on both sides of the reinforced part and the form frame is formed. Concrete is cast between the panels to form a wall foundation, and then, in accordance with the conventional method, a roof is stretched at the upper end opening of the wall foundation, a floor finishing material is stretched on the floor foundation, and the wall foundation is also stretched. Wall finishing materials are stretched to construct an underground structure.

[0003]

SUMMARY OF THE INVENTION In the above conventional technique, it is troublesome to arrange horizontal reinforcing bars and vertical reinforcing bars on the inner peripheral surface of the hole for forming an underground structure, and to piling concrete to carry out mountain retaining work. There is also a problem that it is economically uneconomical because the horizontal reinforcing bar and vertical reinforcing bar used for mountain retaining work and concrete are separately required regardless of the constituent material of the underground structure, which may be further added. In addition, there is a problem that it takes time to arrange the horizontal and vertical reinforcements between the pillars of the underground structure quickly and reliably.

The present invention has been made in order to solve the above-mentioned conventional problems. By using the wall foundation of the underground structure as a mountain retaining material as well, a troublesome mountain retaining work can be omitted and it is economical. In addition, it is an object of the present invention to provide a method for constructing an underground structure, which is extremely rational in that the material is not wasted and, in addition, horizontal and vertical reinforcements can be arranged quickly and reliably. It is a thing.

[0005]

In order to solve the above-mentioned problems, the present invention forms a hole for forming an underground structure in the ground, and erects a pillar member in the vicinity of the side wall of the hole for forming an underground structure. A floor material is laid at the bottom of the hole for forming an underground structure to form a floor base, and a horizontal reinforcing member is erected on a reinforcing member receiving portion arranged in parallel in the longitudinal direction of the pillar material, and a vertical reinforcing member is crossed with the horizontal reinforcing member. Characterized in that the material is reinforced, formwork panels are arranged side by side on both sides of the reinforced part, and concrete is placed between the formwork panels to form a wall foundation that also serves as mountain retaining. To do.

[0006]

1 to 4 show an embodiment of an underground structure of the present invention, in which a hole (not shown) for forming an underground structure is formed in the ground 1, and the vicinity of the side wall portion of the hole for forming an underground structure. , Column materials 2, 2, ... made of H-shaped steel, U-shaped steel, L-shaped steel, I-shaped steel and the like are erected, and a floor material 3 is laid at the bottom of the underground structure forming hole to form a floor base 4. Formed, the pillar 2,
The horizontal reinforcing bars 6, 6 made of rebar are pierced and installed in the reinforcing bar receiving parts 5, 5, made of holes that are formed in parallel in the longitudinal direction of the holes. , The transverse reinforcement 6,
6 are cross-linked with longitudinal reinforcing members 7, 7, ..., which are made of rebar and are tied together, and are lined with heat insulating materials such as expanded polystyrene and expanded polyurethane at intervals on both sides of the arranged reinforcing parts. Forming panels 8, 8 made of plywood, synthetic resin plate, steel plate, mesh sheet, etc. are arranged side by side, and the forming panel 8, 8 is formed.
The present invention relates to a method for constructing an underground structure, characterized in that a wall foundation 10 also serving as a mountain retaining is formed by placing concrete 9 in between.

Floor material 3 is provided at the bottom of the underground structure forming hole.
In the case of laying the floor base 4 to form the floor base 4, for example, as shown in FIG.
As shown in FIG. 5, similarly to the case of forming the wall foundation 10, the horizontal reinforcing members 6, 6, ... And the vertical reinforcing members 7, 7 ,. A floor material 4 is formed by laying and laying a floor material 3 that is made of steel, and a steel panel (H
By laying a floor material composed of a panel made by arranging steel plates on one or both sides of a panel frame made of model steel such as type steel, U-shaped steel, L-shaped steel, I-shaped steel, etc. It may be formed.

In FIG. 1 and FIG. 2, 11 is an L-shaped steel for supporting the form panels 8 at the corners of the underground structure,
A corner angle made of an L-shaped metal material or the like, 12 is a corner angle receiver made of a steel mold piece on which the corner angle 11 is placed, a metal box piece, etc., and the lower end of the corner angle 11 is placed on the corner angle receiver 12. Place on, weld and use.

In FIG. 1, 13 is a rubble stone, 14 is a floor assembly such as Daihiki and joist of an above-ground building that is placed and fixed on the upper part of an underground structure, and 15 is an above-ground building that is erected on the floor assembly 14. It is a pillar material.

In FIGS. 1, 3 and 4, reference numeral 16 is a joint reinforcing bar piece composed of a reinforcing bar piece, an iron bar piece, etc. used for connecting the horizontal reinforcing bars 6, 6, the vertical reinforcing bars 7, 7, etc., The end portions of the horizontal reinforcing members 6, 6, the vertical reinforcing members 7, 7 and the like are butted against each other, and the jointed braided material piece 16 is attached to the butted portion, and the laterally braided materials 6, 6 are bound by wire or welded It is used when connecting and integrating the vertical reinforcing members 7, 7.

In FIG. 1, reference numeral 17 denotes a ceiling base (roof base) that can be formed on the ceiling (roof) of the underground structure. For example, as in the case of forming the wall base 10, the ceiling (roof) of the underground structure. , And vertical stiffeners 7, 7, ... are arranged and bundled, and concrete 9 is placed to form a ceiling base (roof base), or a ceiling part of an underground structure. A steel panel similar to the one described above may be placed on the (roof portion) and tightened with bolts and nuts, or welded and fixedly integrated to form a ceiling base (roof base).

FIG. 5 shows a different embodiment of the reinforcing member receiving portions 5, 5, ... Arranged side by side in the longitudinal direction of the column member 2 in the present invention, with a constant interval in the longitudinal direction of the column member 2. A reinforcing material receiving part made of steel is integrally welded to form protruding reinforcing material receiving parts 5, 5 ,.

FIG. 6 shows a different embodiment of the pillar 2 used in the present invention, showing the pillar 2 made of a steel pipe having a square or circular cross section.

FIGS. 7 to 9 show different embodiments of the underground structure of the present invention, in which the reinforcing material receiving portions 5, 5, ... Are arranged in parallel in two rows in the longitudinal direction of the pillar material 2. The horizontal reinforcements 6, 6, ... and the vertical reinforcements 7, 7, ... are arranged in two layers via the reinforcement receiving portions 5, 5, ..., and concrete 9 is cast to construct an underground structure. There are horizontal bars 6, 6, ... and vertical bars 7,
The number of layers to be arranged for 7, ... May be arbitrarily determined according to the desired strength.

In the case of constructing an underground structure by forming a hole for the underground structure on the ground, as shown in FIG. 1, the upper part of the underground structure is projected from the ground 1 to construct the underground structure. As shown in 7, an underground structure may be constructed by burying the entire underground structure in the ground.

Further, as shown in FIG. 1, when an upper part is projected from the ground 1 to construct an underground structure, the projecting part of the underground structure is used as a foundation of the above-ground building and the floor assembly 14
It suffices to place and fix the above. As shown in FIG. 7, when an underground structure is constructed by burying the whole structure in the ground, only the heads of the pillar members 2 of the underground structure are projected from the ground 1. It may be used as a foundation of the above-ground building and the pillar material 15 of the above-ground building may be erected.

Further, in the above-mentioned present invention, in the case of completing an underground structure, a floor finishing material,
Finishing materials, such as wall finishing materials and ceiling finishing materials, may be stretched to make up and finish.

[0018]

As described above, according to the present invention, an underground structure forming hole is formed in the ground, and a pillar material is erected in the vicinity of the side wall portion of the underground structure forming hole and the underground structure forming hole is formed. A floor material is laid on the bottom to form a floor base, and a horizontal reinforcing member is laid on the reinforcing member receiving portion that can be arranged in parallel in the longitudinal direction of the pillar material, and a vertical reinforcing member is arranged by intersecting with the horizontal reinforcing member, Forming panels on both sides of the bar arrangement at intervals and placing concrete between the forming panels to form a wall foundation that also serves as a mountain retaining material. Since it can also be used for both purposes, the earth retaining work has been completed at the same time as the formation of the wall foundation, and the labor-consuming earth retaining work as in the past can be omitted. Bars and concrete for mountain retaining work It is not necessary to use, economically, the material is not wasted, it is extremely rational, and, in addition, the horizontal reinforcement is easy and accurate through the reinforcement receiving part that can be arranged side by side in the longitudinal direction of the column. Since it can be erected on, the horizontal reinforcement and the vertical reinforcement can be arranged between the pillars quickly and reliably.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view of an essential part showing an embodiment of an underground structure of the present invention.

FIG. 2 is a horizontal cross-sectional view of a main part showing the embodiment of the present invention.

FIG. 3 is an enlarged cross-sectional view of an essential part showing an example of a connected state of the horizontal reinforcing members in the present invention.

FIG. 4 is an enlarged perspective view of an essential part showing a usage state of a pillar material according to the present invention.

FIG. 5 is an enlarged perspective view of an essential part showing a usage state of different column members in the present invention.

FIG. 6 is an enlarged perspective view of an essential part showing a usage state of still another column member according to the present invention.

FIG. 7 is a longitudinal sectional view of a main part showing a different embodiment of the underground structure of the present invention.

FIG. 8 is an enlarged transverse cross-sectional view of essential parts showing the embodiment of the present invention.

FIG. 9 is an enlarged vertical sectional view of an essential part showing the embodiment of the present invention.

[Explanation of symbols]

 1 Ground 2 Column material 3 Floor material 4 Floor base 5 Reinforcement receiving part 6 Horizontal reinforcement 7 Vertical reinforcement 8 Formwork panel 9 Concrete 10 Wall foundation

Claims (1)

[Claims] 1. An underfloor base material in which a hole for forming an underground structure is formed in the ground, a pillar material is erected near a side wall portion of the hole for forming an underground structure, and a floor material is laid at the bottom of the hole for forming an underground structure. To form a horizontal bar in the longitudinal direction of the pillar material, and lay a horizontal bar in the bar receiving part and intersect the horizontal bar to arrange a vertical bar, with a space on both sides of the bar. A method of constructing an underground structure, characterized in that a wall base also serving as a mountain retaining is formed by arranging formwork panels in parallel and placing concrete between the formwork panels.