Waterproof temporary protection device for backfill surface of retaining wall

Abstract

The utility model belongs to the field of waterproof construction, and particularly relates to a retaining wall backfill surface waterproof temporary protection device which comprises two identical U-shaped steel plates, and connecting bolts A are symmetrically arranged on the side faces, located on the backfill side, of the two U-shaped steel plates. Round holes are formed in the upper portions of the hanging rods, connecting bolts B are arranged on the lower portions of the hanging rods, the uppermost hanging rod is hung on the connecting bolts A through the round holes, and the vertically adjacent hanging rods are hung on the connecting bolts B through the round holes; t-shaped grooves are formed in the side walls of the inner sides of the hanging rods, protection plates are inserted into the T-shaped grooves, a plurality of L-shaped buckles are evenly arranged on the edge of the upper end and the edge of the lower end of the protection plate on one side in the length direction of the protection plate, and the protection plates on the left side and the right side are connected together through the L-shaped buckles. According to the device, the waterproofness of the retaining wall cannot be damaged, the waterproofness of the retaining wall can be protected only by adopting a hanging mode, and the protection device can be gradually dismantled along with the change of the backfill height.

Description

Technical Field

[0001] This utility model belongs to the field of waterproof construction, and in particular relates to a temporary waterproof protection device for the backfill surface of retaining walls. Background Technology

[0002] If the space behind a retaining wall is not backfilled, it is susceptible to wind and rain erosion, leading to soil loss and affecting the wall's lifespan. Backfilling enhances its stability, increases its load-bearing capacity, and forms a complete protective and support system, protecting the surrounding environment and structural safety. Retaining wall backfilling is generally done mechanically. However, during backfilling, machinery such as excavators, rammers, and road rollers can scrape against the waterproofing on the retaining wall, causing damage and posing a risk of structural water seepage later. Therefore, it is necessary to protect the waterproofing on the retaining wall during backfilling. However, because the retaining wall is already waterproofed, methods such as directly fixing protective panels to the wall are not feasible. Furthermore, backfilling must be done in layers, with each layer generally not exceeding 0.5 meters in height, ideally controlled within 0.3 meters. Therefore, the waterproofing protection devices must vary with the backfill layer height, further increasing the difficulty of waterproofing protection during backfilling. Summary of the Invention

[0003] The problem this invention aims to solve is to overcome the shortcomings of the prior art and provide a temporary waterproof protection device for the backfill surface of retaining walls.

[0004] This invention is achieved through the following technical solution:

[0005] A temporary waterproof protection device for the backfill surface of a retaining wall includes two identical U-shaped steel plates, the inner width of which is equal to the thickness of the retaining wall. A rubber layer is provided on the inner wall of each U-shaped steel plate. The two U-shaped steel plates are respectively secured to the left and right ends of the retaining wall head. Connecting bolts A are symmetrically arranged on the sides of the two U-shaped steel plates on the backfill side. The device also includes hanging rods, each with a round hole at the top and a connecting bolt B at the bottom. The uppermost hanging rod is hung on connecting bolt A through the round hole, and adjacent hanging rods are hung on connecting bolt B through round holes. A T-shaped groove is provided on the inner side wall of the hanging rod, into which a protective plate is inserted. The protective plate is rectangular, with corresponding protective plates on the left and right sides attached together. Several L-shaped buckles are evenly distributed along the length of the protective plate on one side, at the upper and lower edges. The left and right protective plates are connected together by these L-shaped buckles.

[0006] Preferably, the width of the protective plate is equal to the height of the layered backfill.

[0007] Preferably, the total length of the two protective plates on the left and right sides is greater than the length of the retaining wall.

[0008] Preferably, the U-shaped steel plate has a width of 10-20cm and a height of 15-30cm.

[0009] Preferably, the upper inner width of the U-shaped steel plate is greater than the lower inner width.

[0010] Preferably, the lower inner width of the U-shaped steel plate is 1-3 cm smaller than the upper inner width.

[0011] Preferably, the protective plate is a plastic plate.

[0012] The device of this invention will not damage the waterproofing of the retaining wall, does not require conventional fixing methods, and can achieve waterproofing protection on the retaining wall simply by hanging it. Moreover, the protective device can be gradually removed as the backfill height changes, without affecting the backfilling at the base of the retaining wall.

[0013] The device of this invention has a simple structure, is easy to operate, and has low cost. Workers can quickly install temporary protective devices to protect the retaining wall from water damage. The protection length can also be varied with the length of the retaining wall, and it can be used for waterproof backfill protection of retaining walls of different lengths. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure after installation in this embodiment;

[0015] Figure 2 This is a schematic diagram of the rear side view of the structure after installation in this embodiment;

[0016] Figure 3 This is a schematic diagram of the structure after the protective plates on both sides are connected in this embodiment;

[0017] Figure 4 This is a schematic diagram of the protective plate structure with L-shaped buckles in this embodiment;

[0018] Figure 5 This is an enlarged structural diagram of the L-shaped buckle in this embodiment;

[0019] Figure 6 This is a partial top view of the structure after the protective plates on both sides are connected in this embodiment;

[0020] Figure 7 This is a schematic diagram of the hanging rod structure in this embodiment;

[0021] Figure 8 This is a schematic diagram of a U-shaped steel plate structure.

[0022] In the diagram, 1 is a U-shaped steel plate, 2 is a connecting bolt A, 3 is a hanging rod, 4 is a round hole, 5 is a connecting bolt B, 6 is a T-slot, 7 is a protective plate, and 8 is an L-shaped buckle. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.

[0024] This embodiment includes two identical U-shaped steel plates 1, the inner width of which is equal to the thickness of the retaining wall. The two U-shaped steel plates 1 are respectively secured to the left and right ends of the retaining wall. The width of the U-shaped steel plate 1 is 10-20cm, and the height is 15-30cm. To ensure a tighter connection between the U-shaped steel plate 1 and the retaining wall, it is preferable that the upper inner width of the U-shaped steel plate 1 is greater than the lower inner width, i.e., the longitudinal section of the U-shaped steel plate 1 is trapezoidal, and the lower inner width is preferably 1-3cm smaller than the upper inner width. A rubber layer is provided on the inner wall of the U-shaped steel plate 1 to prevent direct contact between the U-shaped steel plate 1 and the waterproofing on the retaining wall, which could damage the waterproofing. Connecting bolts A2 are symmetrically provided on the sides of the two U-shaped steel plates 1 on the backfill side.

[0025] This embodiment also includes a hanging rod 3, which is a rectangular long rod. A round hole 4 is provided at the upper part of the hanging rod 3, and a connecting bolt B5 is provided at the lower part of the hanging rod 3. The uppermost hanging rod 3 is hung on the connecting bolt A2 through the round hole 4, and the upper and lower adjacent hanging rods 3 are hung on the connecting bolt B5 through the round hole 4. By tightening the nuts on the connecting bolt A2 and the connecting bolt B5, the hanging rod 3 can be fixedly connected to the U-shaped steel plate 1 or the upper and lower adjacent hanging rods 3 can be fixed together.

[0026] A T-slot 6 is provided on the inner side wall of the aforementioned hanging rod 3. The T-slot 6 extends upward through the hanging rod 3 but does not extend downward. A protective plate 7 is inserted into the T-slot 6. The protective plate 7 is a rectangular plate, and the end of the protective plate 7 is a T-shaped connector corresponding to the T-slot 6. The protective plates 7 on the left and right sides are attached together. Several L-shaped buckles 8 are evenly provided along the length of the protective plate 7 on the upper and lower edges of one side. The left and right protective plates 7 are connected together by the L-shaped buckles 8. In this embodiment, L-shaped buckles 8 are provided on the upper and lower edges of the left protective plate 7. The corresponding right protective plate 7 can slide into the space of the upper and lower L-shaped buckles 8 to connect the right protective plate 7 with the left protective plate 7. Preferably, the total length of the two protective plates 7 on the left and right sides is greater than the length of the retaining wall. The total length of the two protective plates 7 can be adjusted by sliding them relative to each other along the L-shaped buckles 8, so that it can be used to protect retaining walls of different lengths. To reduce the weight of the device and facilitate installation, the protective plate 7 is preferably made of plastic. To facilitate the device's operation as the backfill height changes, it is preferable that the width of the protective plate 7 is equal to the height of each backfill layer. This allows for the removal of one layer of protective plate 7 and hanging rod 3 after each backfill layer. Generally, the height of each layer during layered backfilling is controlled within 0.3 meters. Therefore, in this embodiment, the width of the protective plate 7 is preferably 20-30 cm.

[0027] During construction, U-shaped steel plates 1 are hung on the top of the retaining wall on both sides. The U-shaped steel plates 1 can be slightly pried outwards to enlarge the opening at the bottom, allowing them to be secured to the retaining wall. Then, the round holes 4 of the hanging rod 3 are hooked onto the connecting bolts A2, and the nuts are tightened to connect the hanging rod 3 to the U-shaped steel plate 1. Next, the protective plate 7 without the L-shaped clip 8 is slid into the protective plate 7 with the L-shaped clip 8, connecting the two protective plates 7 together. The lengths of the two protective plates 7 are adjusted so that their ends are inserted into the T-slots 6 of the hanging rod 3 on both sides. Depending on the location of the backfill soil, several hanging rods 3 are hung downwards sequentially on the hanging rod 3. The round holes 4 of the lower hanging rod 3 are fitted onto the connecting bolts B5 of the upper hanging rod 3, and the nuts are tightened to fix the upper and lower hanging rods 3 together. The installation of the protective plate 7 is the same as described above. When the compaction of one layer of backfill soil is completed and the next layer of backfill soil needs to be constructed, unscrew the nuts, remove the bottommost hanging rod 3 and protective plate 7, and then proceed with the backfilling of the next layer of backfill soil.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; those skilled in the art should understand that modifications can still be made to the technical solutions described in the above embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A temporary waterproofing protection device for a retaining wall backfill surface, characterized in that: The utility model provides a kind of retaining wall, including two identical U-shaped steel plates (1), the inner width of the U-shaped steel plate (1) is equal to the thickness of retaining wall, rubber layer is equipped on the inner wall of U-shaped steel plate (1), two U-shaped steel plates (1) are respectively clamped in retaining wall head left and right two ends, two U-shaped steel plates (1) are symmetrically equipped with connecting bolt A (2) on the side of backfilling side;It further includes hanging rod (3), the upper portion of hanging rod (3) is equipped with round hole (4), and the lower portion of hanging rod (3) is equipped with connecting bolt B (5), and the uppermost hanging rod (3) is hung on connecting bolt A (2) by round hole (4), and the upper and lower adjacent hanging rod (3) is hung on connecting bolt B (5) by round hole (4);The inner side wall of hanging rod (3) is equipped with T-shaped groove (6), and protection plate (7) is inserted in T-shaped groove (6), and the protection plate (7) is rectangular plate, and corresponding protection plate (7) on left and right sides is pasted together in front and back, and a plurality of L-shaped buckles (8) are evenly arranged on the upper end edge and the lower end edge of the protection plate (7) on one side in the length direction of protection plate (7), and the protection plate (7) on left and right sides is connected by L-shaped buckle (8).

2. The retaining wall backfill surface waterproofing temporary protection device of claim 1, wherein: The width of the protection plate (7) is equal to the height of the layered backfilling layer.

3. The retaining wall backfill surface waterproofing temporary protection device of claim 1, wherein: The total length of the two corresponding protection plates (7) on left and right sides is greater than the length of the retaining wall.

4. The retaining wall backfill surface waterproofing temporary protection device of claim 1, wherein: The width of the U-shaped steel plate (1) is 10-20 cm, and the height is 15-30 cm.

5. The retaining wall backfill surface waterproofing temporary protection device of claim 1, wherein: The inner width of the upper portion of the U-shaped steel plate (1) is greater than that of the lower portion.

6. The retaining wall backfill surface waterproofing temporary protection device of claim 5, wherein: The inner width of the lower portion of the U-shaped steel plate (1) is 1-3 cm less than that of the upper portion.

7. The retaining wall backfill surface waterproofing temporary protection device of claim 1, wherein: The protection plate (7) is a plastic plate.

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