JPH0657939U - Basement structure with dry area - Google Patents

Abstract

(57) [Summary] [Purpose] A dry area wall is provided without placing formwork or concrete. [Structure] Pillar row wall 1 and earth retaining wall 9 provided so as to be parallel to the ground from the ground, and excavation from the ground between the pillar row wall and the earth retaining wall to the ground to form a foundation on a root cutting bottom 14. A concrete underground floor 16 is provided, and a dry area 1 is provided inside the pillar row wall.
A basement 11 is built on the basement floor of the basic concrete to form 0.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a basement structure having a dry area.

[0002]

[Prior art]

 Conventionally, in a basement provided with a dry area for daylighting, as shown in Japanese Patent Application Laid-Open No. 4-309621, a dry area wall for providing a dry area is constructed at the same time when the basement body is constructed. Of course, the dry area wall is integrated with the underground body through the foundation floor concrete.

[0003]

[Problems to be solved by the device]

 According to the basement with a dry area as described above, since the formwork is used in the construction of the dry area wall, there is a problem that it takes a lot of time and effort to assemble the formwork and remove the formwork after hardening of the cast concrete. It was

There is also a problem that the outside of the dry area wall must be backfilled after removing the formwork.

Therefore, an object of the present invention is to provide a basement structure having a dry area in which a dry area wall is formed without using a formwork.

[0006]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention is to excavate and remove soil between a concrete column wall and a retaining wall that are parallel to each other with a basement building width including a dry area and between the column wall and the retaining wall. A dry area consisting of a basement concrete basement provided on the bottom of the root and the soil retaining wall, and a basement constructed to form a dry area on the wall side of the column. It has a basement structure with a.

[0007]

[Action]

 The dry area wall is formed by column walls, and the strength of the column wall as a dry area wall is increased due to the base concrete basement that is connected to the column wall.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the accompanying drawings.

Reference numeral 1 shown in FIG. 1 is a concrete column wall that forms a dry area wall from the ground 2 to a predetermined depth in the ground.

The pillar row wall 1 is equipped with an excavator (not shown), which is composed of a casing made of steel pipe and an earth auger screw inserted in the casing on the ground 2, and after confirming vertical accuracy, excavation is performed. The machine excavates from the ground 2 to a predetermined depth in the ground.

During excavation, the inside of the drilled hole 3 is soil-cemented while injecting cement milk using a passage provided in the shaft core of the earth auguscre.

After the excavation is completed, the excavator is pulled out and the concrete pile 4 is inserted into the drilled hole 3.

The pile 4 has an arc-shaped recess 6 with an engaging projection 5 on one side that crosses the center line of the outer circumference, and an arc-shaped recess 6 with a tip fitting engagement groove 7 of the projection 5 on the other side. The pile 4 is inserted with the concave portion 6 having the engaging groove 7 facing the excavation direction.

Next, the outer periphery of the casing of the excavator is brought into contact with and guided by the recess 6 having the engaging groove 7 of the inserted pile 4, and the same drilling hole as described above is excavated.

Of course, as shown in the drawing, the pile 3 in which the projection 5 and the engaging groove 7 are fitted and engaged with each other is inserted into the extracted hole 3 of the excavator.

By repeating the above, the piles 4 are sequentially arranged to provide the column wall 1.

The shape of the pile 4 of the column wall 1 is not limited to that shown in the figure.

Numeral 9 is a retaining wall provided on one side of the pillar row wall 1 so as to be horizontal so that the basement 11 including the dry area 10 has a construction width.

In the illustrated case, the earth retaining wall 9 is fitted with the H steels 12 arranged in parallel from the ground 2 to a predetermined depth in the ground, and the left and right H steels 12 with their ends fitted and locked. As described above, the earth retaining plate 13 is sequentially dropped from above, but a sheet pile or the like may be used.

Excavation and excavation are carried out between the pillar row wall 1 and the retaining wall 9, and a reinforcing bar 15 is laid on the root cutting bottom 14, and then concrete is poured to form a base concrete underground floor board 16. Set up.

As shown in FIG. 2, it is preferable that the reinforcing bars 15 be fixed to the anchor bolts 17 implanted in the pile 4 by welding.

Then, the basement 11 is built on the base concrete basement bottom wall 16. Of course, the dry area 10 is provided between the wall of the basement 11 and the column wall 1.

Further, since the earth retaining wall 9 is used as a mold for the earth retaining wall 9 side wall of the basement 11, the placing concrete adheres to the earth retaining wall 9 closely.

[0024]

【effect】

 Since the dry area according to this invention is constructed as described above, it is necessary to arrange the reinforcing bars in the assembled formwork, then remove the formwork after the setting concrete is hardened, and refill the ground. The dry area wall can be formed without.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view of a basement provided with a dry area according to the present invention.

FIG. 2 is a cross-sectional enlarged plan view showing a column wall of a dry area wall.

[Explanation of symbols]

 1 Column Row 2 Ground 3 Drilling 4 Pile 5 Projection 6 Recess 7 Engagement Groove 9 Dome Wall 10 Dry Area 11 Basement 16 Basement Basement

Claims (1)

[Scope of utility model registration request] 1. A concrete column wall and a retaining wall which are parallel to each other with a width of a basement including a dry area, and a root cutting bottom provided by excavating and discharging soil between the column wall and the retaining wall. The basement structure having a dry area comprising a base concrete basement floor between the column row wall and the retaining wall, and a basement constructed to form a dry area on the wall side of the column row.