JPS6161000A - Building of garage - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a method for constructing a garage or the like by excavating a mound of earth, such as a mountain or a mound, from the front toward the back.

(Prior art) When constructing a garage by excavating a part of the earth, such as a mountain or mound facing a road, etc., conventionally, excavation was performed directly from the part (front part) of the earth mound facing the road, etc. toward the back. In other words, the garage cavity was formed by excavating without performing preliminary reinforcement work or safety 61 certified work.

(Technical problem to be solved) Therefore, with conventional construction methods, for example, if the ground in the mound is loose, there is a possibility that the soil in the ceiling will collapse as the excavation progresses. If a collapse occurs, for example, if a house exists on top of or adjacent to the earth mound being excavated, an extremely dangerous situation such as the house cave-in or tilt may occur.

In view of the above-mentioned circumstances, an object of the present invention is to safely excavate and form a cavity to construct a garage even in a mound of loose ground, such as a mound formed by artificially mounding soil. Our goal is to provide a garage construction method that is possible.

(Structure for Solving the Problems) In order to achieve the above object, the garage construction method according to the present invention includes a plurality of structures placed at predetermined intervals in the lateral direction at a location corresponding to the outer surface of the garage ceiling in the soil pile. Drilling a vibration insertion hole, inserting a pipe having a large number of through holes on the side into the insertion hole, and injecting grout into the soil through the through holes of the pipe by press-fitting grout into the pipe,
By hardening the grout, the grout and soil are integrated into, for example, a single plate shape to form the earth retaining plate part of the garage ceiling, and the earth retaining plate part is supported by the support temporary. The feature is that the lower side is excavated to form a garage cavity.

(Examples) Hereinafter, the present invention will be described in detail with reference to examples shown in the drawings.

FIG. 1 is a perspective schematic diagram showing an embodiment of the method according to the present invention, and FIG. 2 is a sectional view taken along the line ■-■ in FIG.
3 is a front view seen from below the arrow in FIG. 1.

The method according to the present invention relates to a method for constructing a garage by excavating a soil pile 1 such as a mountain or a mound in a substantially horizontal direction. The excavation of the earth pile part 1 is carried out at the front part 1a of the earth pile part facing the road 2 etc.
From there, the excavation continues toward the inner part of the earthen pile 1b. Here, the term "earth pile 1" refers to all ground areas such as earth piles, mounds, etc. that can be excavated in a substantially horizontal direction to construct a garage. In addition to garages for storage, it also includes warehouses or storage rooms for storing various items.

In the garage construction method in the illustrated embodiment, first, a plurality of (
6) pipe insertion holes 4 are drilled.

The pipe insertion hole 4 is bored by using an underground boring machine such as a drill from the front part 1a of the soil pile toward the back part 1b.

Total lateral radius l for drilling the plurality of pipe insertion holes 4.

It is preferable that the width i1 of the garage cavity 3 to be excavated is approximately the same or larger than the width i1.

Drilling width of pipe insertion hole 4! , corresponds to the width of the retaining plate of the garage ceiling, which will be described later, so it is not preferable that this is smaller than the width of the garage cavity 3 to be excavated. Depending on the circumstances, 7. It is possible that o is smaller than El. The interval 1 between each of the pipe insertion holes 4 may be appropriately determined by taking into consideration the hardness of the ground, tightness, etc. (in the direction of arrow B), the length m is the width! For the same reason as in the case of , it is preferable that the longitudinal length ml of the garage cavity 3 is approximately the same or greater, but depending on the circumstances, m may be smaller than m. is possible. In addition, before drilling each of the pipe insertion holes 4, a probe rod (not shown) may be horizontally polled at the drilling portion of the insertion hole 4 to check whether or not there is any problem with drilling. Further, the interval 1 between the insertion holes 4 can be set to, for example, 15 cm in the case of a mounded portion, and 30 cm in the case of a ground portion. Further, the diameter of the insertion hole 4 can be, for example, 5C11. In this case, the pipe 5 described below can also have an outer diameter of s.

Next, a pipe 5 is inserted into each pipe insertion hole 4 drilled as described above. There are many through holes 5a on the side of each pipe 5.
are uniformly formed. Each pipe 5 is inserted over the entire length of the pipe insertion hole 4, and its front end 5
b is inserted in such a manner that it protrudes from the insertion hole 4 by a predetermined length.

When the insertion of the pipe 5 is completed, grout, that is, cement paste or mortar, etc., is poured into each vibrator 5 from the front end 5b of each vibrator protruding from the insertion hole 4 via a grout pump (not shown) or the like. By press-fitting the binder, the grout is poured into the through hole 5a of each pipe 5.
The grout is injected into the soil through the soil, and as the grout injected into the soil solidifies, the grout and the soil in the area into which the grout is injected are integrated into a wedge-like shape, for example.
A portion surrounded by dots in FIGS. 2 and 3) 7 is formed. That is, by press-fitting the grout into the soil near the top and bottom and left and right sides of each pipe 5 through the pipe holes 5a, particularly preferably, the grout is press-fitted into the left and right sides of the pipe by pressing the grout into the soil between the adjacent vibrators. The earth retaining plate portion 7 is formed by performing this process to the extent that the grout infiltrates the entire middle area. Therefore, as the above-mentioned grout, it is possible to use a binder such as the above-mentioned cement paste, as long as it penetrates into the soil and solidifies, and is capable of integrally binding and solidifying the soil in the area where the grout has penetrated. can. In addition, the predetermined interval i between the pipes 5 and the size, number, arrangement interval, etc. of the through holes 5a provided in each pipe are determined based on the soil quality to a sufficient degree to form such a retaining plate portion 7. It should be decided by taking into consideration factors such as the hardness of the ground, the properties of the grout used, etc.

The earth retaining plate part 7 is, as described below,
This is to prevent the soil from collapsing when excavating the lower side to form the garage cavity 3. Therefore, it should be formed to have a predetermined strength for this purpose. For example, each pipe 5
By inserting reinforcing bars 8 into the interior and then injecting grout, or by burying each pipe 5 without inserting reinforcing bars 8, the reinforcing bars 8 and pipes 5 are included in the retaining plate part 7, and a predetermined shape is formed. Strength may be added, or after inserting reinforcing bars 8 into the pipe 5 and press-fitting the grout, the pipe 5 may be pulled out before the grout completely solidifies, and the retaining plate portion 7
Alternatively, the retaining plate portion 7 may be formed with grout injected and the pipe 5 pulled out without inserting the reinforcing bars 8.

After forming the earth retaining plate part 7 in this way, the earth retaining plate part 7
A garage cavity 3 is formed by excavating the lower side of the garage. During this excavation, as the excavation progresses, supports 9 such as support frames made of H-shaped steel are arranged at predetermined intervals. Proceed with the excavation while firmly supporting the excavation. In this case, if necessary, retaining works may be constructed on the sides of the excavated cavity using the known sheet pile construction method.

After excavating the predetermined garage cavity 3, the inner surface of the cavity 3 is lined by a predetermined construction method, if necessary. This predetermined lining construction method can use various known construction methods, such as a block construction method in which blocks are piled up on the inner surface, or a method in which reinforcing bars are placed on the inner surface and a formwork is placed inside the reinforcing bars, and the hollow part 3 is Any method, such as a reinforced concrete pouring method in which concrete is filled between the inner surface of the mold and the formwork, can be used (not shown).

In addition, in this embodiment, the earth retaining plate portion 7 is connected to each pipe 5.
Although grout is injected into the entire area between the pipes 5 and the whole is formed as a single plate, it is not necessarily necessary that grout is injected into the entire area between each pipe 5 to form a single plate. This is because, since the earth retaining plate part 7 is supported by the support body 9, even if it is not completely made into a single plate, it is possible to prevent the soil from collapsing in the ceiling part, which is the initial purpose.

(Effects of the Invention) As described above, the garage construction method according to the present invention involves drilling a plurality of pipe insertion holes at a location corresponding to the outer surface of the garage ceiling, inserting perforated pipes into the insertion holes, and inserting the perforated pipes into the insertion holes. By press-fitting the grout into the pipe, the grout is injected into the soil through the hole on the side of the pipe, and the grout solidifies to form an earth retaining plate part, and while supporting this earth retaining plate part with an appropriate support, it can be used for garage use. It is made by excavating a cavity.

That is, in the method according to the present invention, an earth retaining plate is formed in advance at a location corresponding to the outer surface of the garage ceiling, and the garage cavity is excavated while supporting the earth retaining plate. There is no risk of the soil collapsing, and the effect is that excavation can be carried out extremely safely. In addition, as a result, garages can be built safely in places where conventionally it was too dangerous to build a garage, such as the Moriyama area where there are houses on or in the vicinity. be effective.

Furthermore, according to the method of the present invention, before excavating the garage cavity, the process of drilling a pipe insertion hole and inserting the pipe is performed, so it is difficult to determine whether or not there are excavation obstacles in the soil. There is also the effect that excavation can be carried out safely and smoothly.

[Brief explanation of drawings]

Fig. 1 is a schematic perspective view showing an embodiment of the method according to the present invention, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1, and Fig. 3 is a front view seen from the direction below the arrow in Fig. 2. It is. 1...Mound part, 3...Garage cavity part, 4...Pipe insertion hole, 5...Pipe, 5a
...Pipe through hole, 7...Earth retaining plate part, 9...
・Support.

Claims (1)

[Claims] In a method of constructing a garage, etc. by excavating a soil pile in a substantially horizontal direction, a plurality of pipe insertion holes are drilled at predetermined intervals laterally in the soil pile at a location corresponding to the outer surface of the garage ceiling. , a pipe having a large number of through holes on the side is inserted into each of the pipe insertion holes, grout is press-fitted into each of the pipes, the grout is injected into the soil through the through holes of the pipe, and the soil is An earth retaining plate part for the garage ceiling is formed by hardening the grout injected inside, and while this earth retaining plate part is supported by a support, the lower side of the earth retaining plate part is excavated to form a cavity for the garage. A construction method for a garage, etc., characterized by: