JPH0213549Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial field of application This invention relates to an integrated corner flint for supporting the rise of a steel hemlock.

Conventional technology Conventional steel piles are made by supporting steel sheet piles with support materials such as sills and struts, and the sills are provided with flints at different levels as shown in Figures 4 and 5. It was getting worse. In other words, the orthogonal ribs 20 and 21 are stacked one on top of the other at the inside corner, and each
Mortar 26 is filled between L-shaped supports 24 and 25 which are bolted to bolts 22 and 23 at 0 and 21 to fix their positions, and flint 27 is a flint material which is bolted to 20 and bolted 28. 29 and a flint material 31 which is bolted 30 to the upright 21, and are connected at the center by bolts 32.

Problems to be Solved by the Invention In the above-mentioned conventional flint, the flints 20 and 21 are stacked one on top of the other, so the flint 27 itself has to be installed by combining the two stacked vertically. To install the flint, it is necessary to divide it into four parts and tighten them with bolts 28, 30, and 32, respectively.Furthermore, since the flint alone is not sufficient to support the inside corner of the end of the upright, the L-shaped Receipt 2
It was necessary to tighten bolts 22 and 23 at 4 and 25. Therefore, the number of parts was 6, and 4 to 12 bolts were used in each location, so several dozen bolts had to be tightened, and assembly and disassembly required a lot of effort.

And bolt tightening parts 22, 23, 28, 3
0 and 32, the shear force is concentrated, so in order to ensure the shear resistance of the bolt, the joint surfaces of the parts must be in close contact and the bolt holes must be precise, but the machining accuracy of the parts is often poor, and There are often cases where gaps occur between parts due to poor perpendicularity of the face-up, or bolt holes do not match, so construction is done manually by re-drilling the holes with a gas cutter on-site. In some cases, bolts did not have sufficient shear resistance. In addition, as the earth pressure is applied due to excavation, the structure deforms and the bolts become loose, requiring retightening, making construction time-consuming.

Means for Solving the Problems In order to solve the above problems, in this invention, one L-shaped steel is perpendicular to the other L-shaped steel at its tip, and each L-shaped steel is received at its tip. A plate is attached and a flint is installed between each L-beam to provide a corner flint for the integrated steel mountain stopper.

Example An embodiment of this invention will be described based on the drawings.

Figure 1 shows one embodiment of this invention.
Corner flint is made by aligning the L-beams 1 and 2 orthogonally so that their tips 3 overlap vertically, and welding receiving plates 4 and 5 to the tips 3 of each L-beam 1 and 2 so that they stand upright. Flint 6 between receiving plates 4 and 5 of shaped steel 1 and 2
are integrally constructed by obliquely welding and attaching a flint 7 between the front end portions and a flint 8 between the rear end portions.

In the figure, 9 is a bolt hole, and 10 and 11 are flint horizontal members.

In order to use the corner flints of this steel retaining material, as shown in Figures 2 and 3, brackets 12 and 13 are installed at predetermined positions on the steel retaining wall, and the brackets 12 and 13 are integrated into the Then place the corner flints 14 and 15 on the L-beams 1 and 2, and insert the bolts 9a into the bolt holes 9 between the L-beams 1 and the risers 14. After installing and bringing the upright plate 1a of the L-shaped steel 1 into close contact with the upright 14,
Mortar 16 is filled between the ends 14a of the other L-shaped steel 2, and mortar 17 is filled between the upright plate 2a and the receiving plate 5 of the other L-shaped steel 2, and the riser 15. In this case, bolt 9 is inserted into bolt hole 9.
Instead of inserting the L-beam 1, mortar may be filled between the upright plate 1a of the L-beam 1 and the riser 14.

During construction of the main building, the struts directly above will be dismantled after concrete is poured for the basement floor, so the corner flint will not interfere with the corner pillars of the main building.

Effects of the invention This invention integrates the L-shaped steel for mounting on the belly and the flint material to form a corner flint, so it is similar to the conventional flint where many parts are tightened with several dozen bolts. You can place the L-shaped steel part on the bracket without requiring much effort for installation, and attach one L-shaped steel part and the stand-up with bolts, or
It can be installed very easily by simply filling mortar between the section steel and the upright, and filling mortar between the other L-shaped steel and the upright, and the time and effort required to remove the bridge is also greatly reduced. This can shorten the construction period. In addition, since the number of man-hours can be reduced, the construction cost can be reduced.

In addition, since the corner flint is integrated, there is no need to retighten as there is no loosening like when tightening bolts, and there is no shearing of the bolt, so it is safe. Since it is filled with mortar, it is easy to adjust the length of the riser and construction is easy.

[Brief explanation of the drawing]

The drawings show one embodiment of this invention; Fig. 1 is a perspective view showing a corner flint; Figs. 2 and 3 show a corner flint with a belly raised; The figure is a plan view, Figure 3 is a front view, Figures 4 and 5 show how the conventional flint is installed, Figure 4 is a plan view, and Figure 5 is taken along the V-V line in Figure 4. FIG. 1... L-shaped steel, 2... L-shaped steel, 3... Tip, 4
...Receiver board, 5...Receiver board, 6...Filte, 7...
Flint, 8... Flint.

Claims (1)

[Scope of utility model registration request] On one L-shaped steel 1, the other L-shaped steel 2 is orthogonally crossed at its tip 3, and receiving plates 4, 5 are attached to the tip 3 of each L-shaped steel 1, 2, respectively.
A corner flint made of steel that is integrated with flints 6, 7, and 8 installed between them.