JP2002161530A - Fixing metal tool for steel sheet pile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing metal tool for a steel sheet pile capable of being conveniently used by fixing a horizontal steel sheet pile to a support pile in multi-stage to form an earth retaining wall. SOLUTION: The fixing metal tool is used for supporting respective sheet pile 3 vertically arranged in many stages to intersect the support piles 5 in the support pile 5 to form a wall, and constituted of the body 1 and a fastening bolt 2. The body 1 is provided with a horizontal planar part 4 penetrating between vertically adjacent sheet piles 3, a recess 7 formed inside of the horizontal plate part 4 and in which the vertical plate part 6 of the support pile 5 is fitted, and plates 8, 9 upwardly and downwardly extended from the outside of the horizontal plate part 4. The stretched side 3a of the steel sheet pile 3 is constituted so as to fit in between the upward and lower extended plates 8, 9 and the horizontal plate part 4 plates and the fastening bolt 2 is constituted to screw with the penetration screw hole 12 of the body 1 so as to approach and separate from the side 7a of the side near to the upper and lower extended plates 8, 9, in the opposite inward and outward sides of the recess.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an earth retaining wall for preventing a rock from falling from a mountain side onto a road during road construction or the like.
The present invention relates to a steel sheet pile locking metal that can be used in a case where a steel sheet pile serving as a wall is combined with a steel sheet pile serving as a wall material.

[0002]

2. Description of the Related Art An earth retaining wall or the like for preventing a rock from falling from a mountain side onto a road is fitted between H steels erected at appropriate intervals and both ends are fitted between H steel flanges on both sides. It is constructed by inserting steel sheet piles into the required number of steps in a substantially horizontal orientation. H steel, which has the necessary strength as pillars for retaining walls, has a flange-to-flange dimension of several times the thickness of the steel sheet pile. So,
The steel sheet piles fitted between the flange parts must be fixed at a position in contact with the inner surface of the road-side flange part, and the steel sheet piles must be stacked. Welding has been used as a means for fixing to the roadside flange.

[0003]

The above-mentioned conventional steel sheet pile fixing means requires an operator equipped with a welding technique, which not only increases the cost of the steel sheet pile fixing work but also makes the temporary earth retaining work. There is a drawback that requires a great deal of labor and time when dismantling the wall because it is unnecessary.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a steel sheet pile locking metal which can solve the above-mentioned conventional problems. A support pile 5 made of shaped steel or the like is indicated by a reference numeral.
A metal fitting for supporting the steel sheet piles 3 which are arranged in upper and lower tiers so as to intersect with the supporting pile 5 and form a wall, the metal fittings being composed of a main body 1 and fastening bolts 2;
Is a horizontal plate-like portion 4 penetrating between vertically adjacent steel sheet piles 3
A concave portion 7 inside the horizontal plate portion 4 and into which the vertical plate portion 6 of the support pile 5 is fitted, and a vertically extending plate portion 8 extending from the outside of the horizontal plate portion 4 in both up and down directions, 9 and the upper and lower entry corners 10 and 11 between the vertically extending plate portions 8 and 9 and the horizontal plate-shaped portion 4.
The fastening bolt 2 is configured such that the main body is movable in the perspective direction with respect to a side 7a closer to the upper and lower extending plate portions 8 and 9 of the inside and outside opposite sides of the recess 7. One through screw hole 12 is screwed through.

In carrying out the above-mentioned steel sheet pile locking metal fitting of the present invention, the side 7a on the side close to the vertically extending plate portions 8 and 9 of the both sides facing the inside and outside of the concave portion 7 of the main body 1 is vertically extended. Plates 8, 9
Is larger than the thickness of the protruding side portion 3a of the steel sheet pile 3, and the fastening bolt 2 is closer to the vertically extending plate portions 8, 9 of the inside and outside opposing sides of the recess 7. It can be configured so that the vertical plate portion 6 of the support pile 5 can be clamped and fixed between the side side 7a.

In the main body 1, the horizontal metal plate 14 is formed by folding a single metal metal plate 14 and the horizontal metal plate 14 is used as the horizontal metal plate 4, and the horizontal metal plate 4 and the metal metal plate 14 are connected to each other. The upper and lower ends of the plate 14 are bent vertically to form the vertically extending plate portions 8 and 9, respectively, and the one between the horizontal plate portion 4 and the folded portion 14 c of the band-shaped metal plate 14 is bent. The recess 7 is formed on the side, and the band-shaped metal plate 1 is formed.
4 can be formed by providing a through screw hole 12 through which the fastening bolt 2 is screwed and penetrated in the square folded portion 14c.

Further, a tubular portion 16 integrally formed from the other is inserted into a through-hole 15 provided in one of the overlapping portions of the strip-shaped metal plates 14 constituting the horizontal plate-shaped portion 4, and the tubular portion 16 is formed. The tips of the 16 can be caulked around the through hole 15 and fixed to each other.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
Is a main body, and 2 is a fastening bolt. The main body 1 includes a horizontal plate-shaped portion 4 penetrating between vertically adjacent steel sheet piles 3, 3, a concave portion 7 inside the horizontal plate-shaped portion 4 and into which the vertical plate portion 6 of the support pile 5 is fitted, It has upper and lower extending plate portions 8 and 9 extending from the outside of the horizontal plate portion 4 in both up and down directions, and the upper and lower portions between the upper and lower extending plate portions 8 and 9 and the horizontal plate portion 4. The overhanging side portion 3a of the steel sheet pile 3 is configured to fit into the entry corners 10 and 11, and the fastening bolt 2 is provided in the recess 7
A threaded through-hole 12 of the main body 1 is screwed through the side 7a on the side closer to the vertically extending plate portions 8 and 9 so as to be movable in the perspective direction. A pressing plate 13 is attached.

More specifically, the main body 1 is formed by folding a single band-shaped metal plate 14 so as to form a double-layered portion of the band-shaped metal plate 14 as the horizontal plate-shaped portion 4. And both ends 14a, 14 of the strip-shaped metal plate 14.
b between the horizontal plate-shaped portion 4 and the folded portion 14c of the strip-shaped metal plate 14, the folded portion 14c serving as the bottom side. Further, it is formed in an isosceles triangle in cross section having two oblique side plate portions 14d, and the concave portion 7 is formed on one side of the two oblique side plate portions 14d. A through screw hole 12 through which the fastening bolt 2 is screwed is provided. Of course, this through screw hole 12
Is a through hole provided in the square folded portion 14c of the strip-shaped metal plate 14, and the square folded portion 14
It may be constituted by a nut fixed to the back side or the front side of c by welding or the like.

[0010] The overlapping portion of the band-shaped metal plate 14 constituting the horizontal plate-like portion 4 is fitted with a tubular portion 16 integrally formed from the other into a counterbore through hole 15 provided in one of the portions. The tip of the shaped part 16 is caulked to the counterbore around the counterbore through-hole 15 and fixed to each other. Of course, depending on the case, the overlapping portions of the strip-shaped metal plates 14 constituting the horizontal plate-shaped portion 4 may not be fixed to each other,
Even when they are fixed to each other, means such as welding and riveting can be used in addition to the above-described caulking method. still,
It is desirable to form a continuous reinforcing rib 17 in a portion of an isosceles triangular cross section composed of the square folded portion 14c and the two oblique side plate portions 14d.

The method of use will be described with reference to FIGS. 4 to 6. When the support piles 5 utilizing the H-section steel are erected on the ground at intervals shorter than the entire length of the steel sheet pile 3, the front and rear of each support pile 5 will be described. At the lower end of one side of the vertical plate portion 6 on the side where the wall is formed by the steel sheet pile 3, the locking metal member 18 having the above configuration is attached.
That is, as shown by phantom lines in FIGS. 1 and 2, the recess 7 of the main body 1 is fitted into one side of the support pile vertical plate portion 6 from the side, and the fastening bolt 2 is tightened. 2
The support pile vertical plate portion 6 is clamped and fixed between the pressing plate 13 at the tip of the support 4 and the side 7a of the concave portion 4. Next, the steel sheet pile 3 is placed horizontally and lowered so that the projecting side portions 3a on both sides thereof are adjacent to the support pile vertical plate portion 6, and the lower projecting side portion 3a is lowered. Upper entering corner 10 of main body 1 of locking fitting 18
(Between the upper extension plate portion 8 and the horizontal plate portion 4).

[0012] Then, the locking bracket 18 is fitted to the vertical plate portion 6 of the support pile 5 above the steel sheet pile 3 and the concave portion 7 of the main body 1 is fitted to the support pile vertical plate portion 6 from the side and lowered. ,
The overhanging side edge 3a on the upper side of the steel sheet pile 3 is fitted to the lower entry corner 11 of the main body 1 (between the lower extension plate 9 and the horizontal plate-like portion 4). In this state, the locking fitting 18
Of the lowermost steel sheet pile 3 by tightening the fixing bolts 2 of FIG. 1 and clamping and fixing the support pile vertical plate portion 6 between the pressing plate 13 at the tip of the fixing bolt 2 and the side 7a of the concave portion 4.
Are locked to the vertical plate portions 6 of the respective support piles 5.

Each of the second and subsequent steel sheet piles 3 is attached in the same manner as described above. The metal fitting 18 for locking to the vertical plate portion 6 has the projecting side portion 3a on the upper side of the steel sheet pile 3 immediately below the lower portion of the steel sheet pile 3 into the lower entry corner 11 (the lower extension plate portion 9).
Between the horizontal plate portion 4 and the vertical plate portion 6 of each support pile 5, and the upper fitting corner 10 (upper extension plate portion) of the lock metal. 8 and the horizontal plate-shaped part 4)
Overhanging side part 3a which is below steel sheet pile 3 directly above using
May be locked to the vertical plate 6 of the support pile 5.

Incidentally, the locking metal fittings 18 for locking the overhanging side portions 3a of the stepped steel sheet piles 3 with respect to the vertical plate portions 6 of the support piles 5 are provided.
The support pile vertical plate 6 may be attached to only one side of the support pile 6 in a vertical line, but it is preferable that the support pile vertical plate 6 is attached alternately to the left and right using the left and right sides of the support pile vertical plate 6 as shown in the illustrated example.

In the above-described embodiment, the side 7a, which is closer to the upper and lower extending plate portions 8 and 9, and the upper and lower extending plate portions 8 and 9 between the inner and outer opposite sides of the concave portion 7 of the main body 1 are arranged. Is larger than the thickness of the projecting side portion 3a of the steel sheet pile 3, and the fastening bolt 2 clamps and fixes the vertical plate portion 6 of the support pile 5 between the side edge 7a of the concave portion 7. The distance between the side 7a of the recess 7 and the vertically extending plate portions 8, 9 is set to
The vertical plate portion 6 of the support pile 5 and the steel sheet pile 3 fitted between the upper and lower extending plate portions 8 and 9 with the fastening bolts 2 are made smaller than the thickness of the overhanging side portion 3a. It is also possible to constitute so that both the overhanging side parts 3a are integrally clamped and fixed.
In this case, the locking bracket 18 cannot be fixed to the vertical plate portion 6 of the support pile 5 alone, but the projecting side 3a of the steel sheet pile 3 is firmly fixed to the support pile 5 without play. You can do it.

[0016]

The steel sheet pile locking bracket of the present invention can be embodied and used as described above. According to the steel sheet pile locking bracket of the present invention, the pillar of the earth retaining wall can be used. The steel piles for wall configuration are easily locked on the supporting piles erected at appropriate intervals so as to be as easily as possible using the overhanging side portions of both sides of the steel sheet piles to construct the earth retaining wall. You can do it. Therefore, a technician equipped with welding technology is not required, and the work of constructing the retaining wall with the steel sheet pile can be performed easily and quickly, and the dismantling operation of the retaining wall is also similarly easy and easy. And it can be implemented quickly.

Further, according to the steel sheet pile locking metal of the present invention,
Although only a gap equal to the thickness of the horizontal plate-shaped part of the main body is created between vertically adjacent steel sheet piles, one locking bracket is The upper side of the steel sheet pile can be used both for locking the overhanging side edge and the lower side of the upper steel sheet pile for locking the overhanging side edge. At the same time, the earth retaining wall construction cost can be reduced.

According to the second aspect of the present invention, the steel sheet pile can be engaged with the locking metal with the locking metal fixed to the vertical plate portion of the support pile. The work becomes easier as compared with a case where the steel sheet pile and the steel sheet pile must be simultaneously clamped and fixed to the support pile.

Further, according to the configuration of the third aspect, the main body of the locking member can be formed from a single band-shaped metal plate, and the cost of the entire locking member can be reduced.
In this case, according to the configuration of the third aspect, the strength of the locking fitting main body can be increased without using welding or other components.

[Brief description of the drawings]

FIG. 1A is a plan view of a locking fitting, and FIG. 1B is a side view thereof.

FIG. 2 is a sectional view taken along line AA of FIG. 1A.

FIG. 3 is a sectional view taken along line BB of FIG. 1A.

FIG. 4 is a front view showing a use state of the locking fitting.

FIG. 5 is a plan view showing the same use state.

FIG. 6 is a side view showing the same use state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Fastening bolt 3 Steel sheet pile 3a Overhanging side part of steel sheet pile 4 Horizontal plate-shaped part of main body 5 Support pile using H-shaped steel 6 Vertical plate part of support pile 7 Recess of main body 8, 9 Up and down of main body Extension plate portion 10, 11 Upper and lower entry corners of main body 12 Through screw hole 14 Band-shaped metal plate for main body configuration 15 Through-hole of band-shaped metal plate 16 Cylindrical cylindrical portion for band-shaped metal plate

Claims (4)

[Claims] 1. A locking metal fitting for supporting steel sheet piles, which are arranged in upper and lower stages so as to intersect with the supporting pile and form a wall, on a supporting pile made of a shaped steel or the like, the fastener being connected to a main body. The main body comprises a horizontal plate-shaped part penetrating between vertically adjacent steel sheet piles, a recess inside the horizontal plate-shaped part, into which the vertical plate part of the support pile is fitted, and the horizontal plate And a vertically extending plate portion extending from the outside of the sheet-like portion in both the up-and-down direction. The fastening bolt is provided with a through screw hole of the main body so as to be movable in the perspective direction with respect to the side near the upper and lower extending plate portion, of the inside and outside facing both sides of the recess. Steel sheet pile locking metal fitting that penetrates. 2. The distance between the upper and lower sides of the recessed portion of the main body, which is closer to the upper and lower sides of the inner and outer sides of the recess, is greater than the thickness of the overhanging side of the steel sheet pile. Largely, the fastening bolt clamps and fixes the vertical plate portion of the support pile between the inner side and the outer side opposite sides of the recess, and the side near the upper and lower extending plate portion.
The metal sheet pile locking bracket according to claim 1. 3. A two-layered portion of a band-shaped metal plate formed by folding a single band-shaped metal plate is used as the horizontal plate-shaped portion, and a space between the horizontal plate-shaped portion and both ends of the band-shaped metal plate is provided. Bending up and down to form the vertically extending plate portion, forming the concave portion on one side between the horizontal plate portion and the folded portion of the band-shaped metal plate, and forming a square folded portion of the band-shaped metal plate. 3. The steel sheet pile locking metal fitting according to claim 1, further comprising a through screw hole through which the fastening bolt is screwed. 4. A tubular portion integrally formed from the other of the two overlapping portions of the strip-shaped metal plates constituting the horizontal plate-like portion is fitted into a through hole provided in one of the portions, and the tip of the tubular portion is attached to the through-hole. The steel sheet pile locking metal fitting according to claim 3, wherein the metal sheet pile locking metal fitting is formed by being caulked around the through hole and fixed to each other.