JP3023357U - Horizontal sheet pile for mountain retaining wall - Google Patents

Abstract

(57) [Abstract] [Problem] To improve the construction work efficiency of a temporary mountain retaining wall and improve the safety of temporary mountain retaining work. SOLUTION: A preceding horizontal sheet pile 1 and a lateral cross sheet pile 2 for addition form a drain hole 7, a pull-out hole 8 and a female screw 9 in a central portion of a horizontal sheet pile body 3, and engaging holes 10 in a lower end portion and an upper end portion. And 11
To form. The receiving tool 1 is provided in the engaging hole 10 of the leading side sheet pile main body 3.
Attach 3 detachably. The additional side sheet pile main body 3 is detachably connected by engaging the engaging holes 11 and 10 with the engaging tool 12 above the preceding side sheet pile main body 3. Insert both sides of the lower end of the leading horizontal sheet pile body 3 into the upper part of the groove of the cast H-shaped steel 16, and push the receiving tool 13 downward with a bucket or the like of a power shovel to move the leading horizontal sheet pile body 3 into the H-shaped steel sheet. It is pressed into the ground along the groove 18 of 16. During this press-fitting or by connecting the extension side sheet pile body 3 to the upper portion of the advance side sheet pile body 3 in advance, the advance side sheet pile body 3 and the extension side sheet pile body 3 can be continuously press-fitted. it can.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a horizontal sheet pile (earth retaining plate) for a retaining wall used for temporary retaining work for civil engineering and construction.

[0002]

[Prior art]

 Conventionally, in this type of temporary earth retaining work, H-shaped steel was first driven into the ground at desired intervals along the planned site of construction of the retaining wall, and then H excavators and human-powered H The earth and sand are excavated along the line connecting the insides of the shape steels, and then wooden horizontal sheet piles are inserted from below in the grooves between the flanges of the adjacent H-shaped steels.

[0003] When the mountain retaining work is completed as described above, a sheet metal product is attached to an H-shaped steel flange, and a separator of a concrete formwork for constructing an underground beam is attached to the sheet metal product. There is.

[0004]

[Problems to be solved by the device]

 However, in the conventional temporary earth retaining work, the horizontal sheet piles with a narrow vertical width are sequentially inserted between the adjacent H-shaped steels from below, so the construction efficiency of the temporary earth retaining wall is inferior and the horizontal retaining wall is inferior. When the sheet piles are sequentially inserted, the sediment between the H-shaped steels collapses, so there is a risk of sediment collapse at the soft ground or in a place close to the adjacent land, and the stable ground is affected by the moment of earth pressure. There was a problem such as the risk of moving. Furthermore, the work of installing the concrete formwork is troublesome, and it is difficult to pull out the horizontal sheet pile after the completion of the construction, and since it is buried, it cannot be reused and it is uneconomical. There was also a problem.

The present invention solves the above-mentioned conventional problems, can improve the work efficiency of constructing a temporary earth retaining wall, and prevents the collapse of earth and sand when constructing a temporary earth retaining wall. The purpose of the present invention is to provide a lateral sheet pile for a mountain retaining wall that is capable of improving the safety of temporary construction of the mountain retaining wall.

[0006]

[Means for Solving the Problems]

 The technical means of the present invention for achieving the above-mentioned object are a horizontal sheet pile body in which both sides are inserted from above into a groove of a cast H-shaped steel, and a horizontal sheet pile body which is provided in the horizontal sheet pile body and is pushed from above. And a receiving means for press-fitting which receives pressure.

Another technical means of the present invention for attaining the above-mentioned object is, in the above-mentioned technical means, a horizontal sheet pile main body consisting of a preceding horizontal sheet pile body and a supplementary side sheet pile body, and a lower horizontal sheet pile. It is provided with a connecting means for connecting the upper part of the main body and the lower part of the upper horizontal sheet pile structure.

Another technical means of the present invention for achieving the above object is the above technical means, in which the transverse sheet pile main body has a drain hole.

Another technical means of the present invention for achieving the above object is the above technical means, in which the transverse sheet pile body has a hole for pulling out.

[0010] Still another technical means of the present invention for achieving the above-mentioned object is, in each of the above-mentioned technical means, a transverse sheet pile main body having a female screw for attaching a separator of a concrete formwork.

In each of the above technical means, it is preferable that the lower end edge of the horizontal sheet pile main body be formed so as to incline upward from the central portion toward both end portions.

Further, as the connecting means in each of the above technical means, an engaging portion is integrally formed at the upper edge of the lower horizontal sheet pile body and the lower edge of the upper horizontal sheet pile body, or the lower horizontal sheet pile body is formed. And an engaging hole formed in the upper end portion of the upper side sheet and the lower end portion of the upper horizontal sheet pile main body, and an engaging tool that is detachably engaged across both engaging holes.

Further, as the press-fitting receiving means in each of the above-mentioned technical means, it is composed of an engaging hole formed in the transverse sheet pile main body and a receiving tool which is detachably engaged with the engaging hole. I like it.

In each of the above technical means, the main body of the transverse sheet pile is formed of plastic whose lower and upper edges are reinforced by a metal plate, or the front and back sides of a lightweight synthetic resin material such as Styrofoam. It can be made of a material sandwiched between lightweight metal materials such as aluminum with reinforcing bones interposed.

According to the present invention configured as described above, the lower end both sides of the transverse sheet pile main body are inserted into the upper portions of the adjacent H-shaped steel grooves that have been punched, and the press-fitting receiving member is inserted with a bucket or the like of the power shovel. The transverse sheet pile main body is press-fitted into the ground along the groove of the H-shaped steel by pressing the clamping means downward. When using multiple side sheet piles, the side sheet pile for advance and the side sheet pile for extension are connected in the middle of press-fitting or by connecting the side sheet pile for addition to the upper side of the body for advance sheet by connecting means in advance. The main body can be pressed in continuously. As described above, the temporary pile retaining wall can be constructed by press-fitting the horizontal sheet pile body from above, and the collapse of earth and sand can be prevented by press-fitting the horizontal sheet pile body from above.

[0016]

[Embodiment of device]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, a first embodiment of the present invention will be described. 1 and 2 show a lateral sheet pile for a mountain retaining wall according to a first embodiment of the present invention, FIG. 1 is a partial perspective view of a construction state, and FIG. 2 is a partial cross-sectional view of the construction state.

As shown in FIG. 1 and FIG. 2, a lateral sheet pile (earth retaining sheet) for a mountain retaining wall according to the present invention includes one preceding sheet pile 1 and one or a plurality of additional sheet piles 2 for addition. It consists of and. In the main body 3 of the preceding horizontal sheet pile 1 and the additional side sheet pile 2, the main body portion 4 is made of plastic such as polyvinyl chloride, and the lower and upper edges of the main body portion 4 are thin metal plates 5 and 6. Are integrally covered with and reinforced. The lower end edge of each transverse sheet pile body 3 is formed so as to incline upward from the central portion toward both end portions, and the central portion projects downward in cross section. The upper edge of each horizontal sheet pile body 3 is formed so as to incline upward as it goes from the central portion to both end portions in correspondence with the lower edge, and the central portion is formed to be recessed downward in cross section. ing. Drainage holes 7 are formed at a plurality of locations in the center of each horizontal sheet pile body 3, and extraction holes 8 are formed in the lower end and upper end of the center portion of each horizontal sheet pile body 3, and concrete holes are formed on both sides. Female screws 9 for attaching the separator of the mold are formed at a plurality of positions. Engagement holes 10 and 11 are formed in both sides of the lower end and both sides of the upper end of each horizontal sheet pile body 3.

The engaging tool 12 used for the connecting means is made of metal, and is formed in a C-shape in which a part of the ring is cut off. The open side end is detachably engaged across the engaging holes 11 on both upper ends of the lower horizontal sheet pile body 3 and the engaging holes 10 on both lower ends of the upper horizontal sheet pile body 3. The lower and upper lateral sheet pile bodies 3 are detachably connected to each other.

The receiving tool 13 used as the press-fitting receiving means is made of metal, and the receiving portion 14 is formed at the distal end portion, and the engaging portion 15 is formed at the proximal end portion. Then, the receiving tool 13 is inserted from the side of the engaging portion 15 into the engaging holes 10 on both sides of the lower end of the preceding horizontal sheet pile body 3, and the engaging portion 15 can be detached from the rear surface of the preceding sheet pile body 3. In this engaged state, the receiving portion 14 is projected to the front of the leading side sheet pile main body 3.

By forming the engaging tool 12 used for the connecting means and the receiving tool 13 used for the press-fitting receiving means separately from the horizontal sheet pile body 3 as described above, the horizontal sheet pile body 3 is formed in a flat shape. Therefore, it can be stacked in a stable state at the time of transportation and storage, and can be stacked high with a small dead space.

In order to perform a temporary earth retaining work using the lateral sheet pile for mountain retaining wall of the present invention constructed as described above, first, H-shaped steel 16 is ground at desired intervals along the planned site of constructing the mountain retaining wall. To set. Next, excavate the earth and sand along the line connecting the inside of the H-section steel that has been cast by a power shovel and human power. Next, the lower end both sides of the preceding horizontal sheet pile body 3 are inserted into the upper portion of the groove 18 between the flanges 17 of the adjacent H-shaped steels 16, and the receiving portion of the receiving tool 13 is received by the bucket 20 of the hydraulic excavator 19 or the like. 14 is pushed downward to press the leading transverse sheet pile main body 3 into the ground along the groove 18 of the H-shaped steel 16. At this time, the lower edge of the forward sheet pile 3 is inclined upward as it goes from the center to both sides as described above, and the center is formed so as to project downward in the cross section. Therefore, the resistance of the soil can be reduced, and the press-fitting work can be performed easily and quickly. During the press-fitting, or in advance, by connecting one or a plurality of the horizontal sheet piles 3 for addition to the upper portion of the main body 3 of the preceding sheet by the engagement tool 12 as described above, the horizontal sheet piles 1 for the preceding sheets are sequentially connected. And the horizontal sheet pile 2 for replenishment can be continuously press-fitted. This press-fitting work can be performed at the same time as excavation work using a power shovel or the like.

As described above, since the temporary mountain retaining wall can be constructed by continuously press-fitting the horizontal sheet piles 1 and 2 from above, the work efficiency can be improved and the collapse of the earth and sand can be prevented. It is possible to improve the safety of temporary construction work for mountain retaining.

Then, when the temporary mountain clasp construction is completed as described above, a concrete form separator (both not shown) is attached using the female screw 9, and the concrete form and the H-shaped steel 16 and the side sheet piles 1 and 2 are attached. Concrete beams are filled in between to construct underground beams. During this time, the water pressure can be reduced by draining groundwater or the like through the drain hole 7, so that the horizontal sheet piles 1, 2 and the like can be maintained in a stable state.

After construction, the pull-out holes 8 can be used to remove the add-on side sheet pile 2 and the preceding side sheet pile 1 upwardly from the H-section steel 16 and thus be reused.

Next, a second embodiment of the present invention will be described. 3 and 4 show a lateral sheet pile for a mountain retaining wall according to a second embodiment of the present invention, FIG. 3 is a partial perspective view of a construction state, and FIG. 4 is a partial cross-sectional view of the construction state.

The feature of this embodiment is that, as shown in FIGS. 3 and 4, each side sheet pile body 3 is made of a lightweight synthetic resin material 21 such as Styrofoam, the front and back of which are reinforced bones 22. It is made of a material sandwiched between light-weight metal materials 23 such as luminium, so that it projects symmetrically to the upper edge of the lower horizontal sheet pile body 3 and the lower edge of the upper horizontal sheet pile body 3 on opposite sides. It is that the integrally formed engaging portions 24 and 25 are detachably engaged and connected, and that the nut 26 attached to the reinforcing bone 22 forms a female screw for attaching the separator. Since the configuration is the same as that of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted.

In the first and second embodiments described above, the leading lateral sheet pile body 3 and the supplementary lateral sheet pile body 3 are formed to have the same shape and are also used, but they may be formed separately. Therefore, the upper edge portion of the preceding horizontal sheet pile body 3 and the lower edge of the supplementary horizontal sheet pile body 3 may be formed in a straight line which is substantially horizontal. The lower end edge of 3 may be formed in the same shape as the lower end edge of the advance transverse sheet pile body 3 of the first embodiment without providing the engaging portion 25. In addition to the first and second embodiments described above, the horizontal sheet pile body 3 has various structures such as ribs protruding from a thin steel plate for reinforcement, or ribs integrally provided on a thin synthetic resin plate for reinforcement. Can be used. Further, the first and second embodiments can be combined as appropriate by exchanging the respective parts. Further, in the above first and second embodiments, the preceding side sheet pile 1 and the additional side sheet pile 2 are used, but depending on the height of the mountain retaining wall, only one side sheet pile may be press-fitted. Good. Besides, the present invention can be variously modified in design without departing from the basic technical idea.

[0028]

As described above, according to the present invention, the lower end both sides of the horizontal sheet pile body are inserted into the upper portions of the grooves of the adjacent H-shaped steels that have been punched, and the press-fitting receiving step is performed by the bucket of the power shovel or the like. Is pressed downward to press the transverse sheet pile body into the ground along the groove of the H-shaped steel. When using multiple horizontal sheet piles, the side sheet pile for advance and the side sheet pile for extension are connected by connecting means to the upper side of the main body of the preceding side sheet pile by connecting means in advance or in advance. The main body can be pressed in continuously. In this way, the temporary pile retaining wall can be constructed by press-fitting the horizontal sheet pile body from above, and therefore the work efficiency can be improved. Therefore, it is possible to improve the safety of the temporary work for retaining the mountain.

Further, the water pressure can be reduced by forming the water drain hole in the horizontal sheet pile body, and therefore the temporary mountain retaining wall can be maintained in a stable state.

Further, by forming the pull-out hole in the main body of the transverse sheet pile, the pull-out hole can be used to pull out after the construction is completed, and therefore, the economical efficiency due to reuse can be achieved. it can.

Further, by providing the horizontal sheet pile body with the female screw for attaching the separator of the concrete formwork, the work of attaching the concrete formwork can be performed easily and quickly.

Further, by forming the lower edge of the horizontal sheet pile main body so as to incline upward from the center to both end sides, the resistance when press-fitting into the soil is reduced and the press-fitting work is facilitated. It can be carried out.

Further, as the connecting means, by using the engaging portion integrally formed on the upper end edge of the lower horizontal sheet pile main body and the lower end edge of the upper horizontal sheet pile main body, the connecting work can be performed easily and quickly. It can be done quickly.

In addition, as connecting means, engaging holes formed in the upper end portion of the lower horizontal sheet pile body and the lower end portion of the upper horizontal sheet pile body are engaged with each other so as to be detachably engaged across both the engaging holes. And a receiving member for press-fitting, which includes an engaging hole formed in the body of the horizontal sheet pile and a receiving member that is detachably engaged with the engaging hole. The main bodies can be easily stacked for transportation and storage, and can be made bulky.

Further, by forming the lateral sheet pile main body from plastic whose lower edge portion and upper edge portion are reinforced by the metal plate, it is possible to reduce the weight and facilitate the convenience of carrying.

Further, by forming the horizontal sheet pile body by a material in which the front and back of a lightweight synthetic resin material such as Styrofoam are sandwiched between lightweight metal materials such as aluminum with reinforcing bones interposed, the weight is reduced, It is easy to carry around.

[Brief description of drawings]

FIG. 1 is a partial perspective view of a construction state showing a lateral sheet pile for a mountain retaining wall according to a first embodiment of the present invention.

FIG. 2 is a partial cross-sectional view of a construction state showing a horizontal sheet pile for the mountain retaining wall.

FIG. 3 is a partial perspective view of a lateral sheet pile for a mountain retaining wall according to a second embodiment of the present invention in a construction state.

FIG. 4 is a partial cross-sectional view of a construction state showing a horizontal sheet pile for the mountain retaining wall.

[Explanation of symbols]

 1 Horizontal Sheet Pile for Advance 2 Side Sheet Pile for Replenishment 3 Sheet Pile Body 7 Drain Hole 8 Extraction Hole 9 Female Thread 10 Engagement Hole 11 Engagement Hole 12 Engagement Tool 13 Receiver 16 H-Shaped Steel

Claims (11)

[Scope of utility model registration request] 1. A horizontal sheet pile main body whose both sides are inserted from above into a groove of a cast H-shaped steel, and a press-fitting receiving means which is provided in the horizontal sheet pile body and receives a pressing force from above. Horizontal sheet pile for mountain retaining wall. 2. The horizontal sheet pile body comprises a preceding sheet pile body and a supplementary sheet pile body, and a connecting means for connecting an upper portion of the lower sheet pile body to a lower portion of the upper sheet pile body. Horizontal sheet pile for mountain retaining wall. 3. The horizontal sheet pile body has a drain hole.
Alternatively, the horizontal sheet pile for the mountain retaining wall described in 2. 4. The side sheet pile for a mountain retaining wall according to claim 1, wherein the side sheet pile body has a hole for pulling out. 5. The lateral sheet pile for a mountain retaining wall according to claim 1, wherein the lateral sheet pile body has a female screw for attaching a separator of a concrete formwork. 6. The lateral sheet pile for a mountain retaining wall according to claim 1, wherein the lower edge of the lateral sheet pile main body is formed so as to incline upward from the central portion toward both end portions. 7. The connecting means is an engaging portion integrally formed at an upper end edge of a lower horizontal sheet pile body and a lower end edge of an upper horizontal sheet pile body. Horizontal sheet pile for mountain retaining wall. 8. The engagement means, wherein the connecting means is engaged with the engaging holes formed in the upper end portion of the lower horizontal sheet pile body and the lower end portion of the upper horizontal sheet pile body, and is detachably engaged across both the engaging holes. The lateral sheet pile for a mountain retaining wall according to any one of claims 2 to 6, which comprises a fitting. 9. The press-fitting receiving means comprises an engaging hole formed in the lateral sheet pile main body and a receiving member removably engaged with the engaging hole. Horizontal sheet pile for mountain retaining wall. 10. The lateral sheet pile for a mountain retaining wall according to claim 1, wherein the lateral sheet pile main body is formed of plastic in which a lower edge portion and an upper edge portion are reinforced by a metal plate. 11. The transverse sheet pile main body is formed of a material in which a front and back of a lightweight synthetic resin material such as Styrofoam are sandwiched by a lightweight metal material such as aluminum with reinforcing bones interposed. Horizontal sheet pile for mountain retaining wall described in crab.