WO2022099990A1

WO2022099990A1 - Fabricated tire sheet pile wall and construction method therefor

Info

Publication number: WO2022099990A1
Application number: PCT/CN2021/086601
Authority: WO
Inventors: 王丽艳; 唐跃; 吴联棒; 竺明星; 王炳辉; 孙可; 张雷; 农珍珍
Original assignee: 江苏科技大学
Priority date: 2020-11-16
Filing date: 2021-04-12
Publication date: 2022-05-19
Also published as: CN112359780B; CN112359780A

Abstract

Disclosed in the present invention are a fabricated tire sheet pile wall and a construction method therefor. The sheet pile wall comprises: a foundation layer that is provided at the bottom and used for piling, several filling layers that are provided on the foundation layer and used for forming a wall body, and a top layer that is provided on the top of the filling layers. Connecting layers for anchoring are respectively disposed between the foundation layer and the filling layers, between adjacent filling layers, and between the filling layers and the top layer; each of the connecting layers is composed of at least two first prefabricated sheet pile blocks that are sequentially connected in the left and right direction; and tires for cushioning external force are provided on side walls of the filling layers, the connecting layers, and the top layer. The fabricated tire sheet pile wall of the present invention can be used for multiple support types such as river banks and embankments; a tire structure has an elastic protection effect on a wall body when the wall body is hit by a boat or vehicle; moreover, a reasonable utilization rate of waste resources is improved, single or multiple damaged wall bodies can be replaced when damaged, and the operation is safe and efficient.

Description

A prefabricated tire sheet pile wall and construction method thereof

technical field

The invention relates to a sheet pile wall for civil construction facilities and a construction method thereof, in particular to an assembled tire sheet pile wall and a construction method thereof.

Background technique

Sheet pile wall is a kind of retaining structure formed by upright slat-like members. In engineering practice, sheet pile wall has been used more and more. With the development of society, traffic accidents in rivers, lakeshores, coasts, mountain roads, and expressways occur from time to time, occasionally causing the overall destruction of the embankment structures of rivers or roads. A lot of financial resources and time costs. The traditional sheet pile wall needs to be poured on site, and it consumes time and human resources. After the installation encounters the overall damage of the sheet pile wall, it will cause economic losses because it cannot be replaced in time. The Chinese Patent Application No. 2018218198222 discloses a prefabricated special-shaped hollow sheet pile wall. Since the blocks are connected by bolts, the assembly efficiency will be greatly affected; the Chinese Patent Application No. 2019216199403 discloses a prefabricated earth retaining When the wall is damaged, it cannot replace the block in time, resulting in a waste of resources; the Chinese patent application number 2019219324000 discloses a prefabricated block retaining wall, but its structure cannot withstand the impact of external forces, and it is safer lower.

SUMMARY OF THE INVENTION

Purpose of the invention: The purpose of the present invention is to provide a tire sheet pile wall that can quickly replace the wall and can buffer external forces; the second purpose of the present invention is to provide the above construction method of the tire sheet pile wall.

Technical scheme: a prefabricated tire sheet pile wall of the present invention includes a base layer arranged at the bottom for piling, a plurality of filling layers arranged on the base layer for forming a wall, and a top layer arranged on the upper part of the filling layer A connecting layer for anchoring is provided between the base layer and the filling layer, between the adjacent filling layers, and between the filling layer and the top layer; It is composed of sheet pile blocks, the ends of two adjacent first prefabricated sheet pile blocks in the same connection layer are provided with a first protrusion and a first groove that are adapted, and the top and bottom of the first prefabricated sheet pile blocks are A mounting groove for fixing is also provided; tires for buffering external force are provided on the sidewalls of the filling layer, the connecting layer and the top layer.

In the above technical solution, by setting the connection layer, the wall blocks of the sheet pile wall are stacked and connected through the grooves of their own structures. When the wall is damaged, single or multiple damaged walls can also be replaced. The overall installation efficiency of the sheet pile wall, and the combination of grooves and protrusions also improves the structural stability of the sheet pile wall. At the same time, tires are arranged on the outer surface of the wall, which greatly improves the wall due to the cushioning capacity of the tire itself. impact resistance of the body. Among them, the concrete grade of the first prefabricated sheet pile block is C40-C80, the height of the sheet pile block is 300-450mm, the length is 2400-2800mm, the thickness is 300-600mm, the depth of the first protrusion is 100-150mm, and the first groove is 100-150mm deep. The depth of the installation groove is 100-150mm, and the depth of the installation groove is 120-180mm.

Further, the overall height of the wall body can be adjusted according to the number of filling layers, and the filling layer is composed of the second prefabricated sheet pile block, the third prefabricated sheet pile block and the fourth prefabricated sheet pile block sequentially spliced along the left and right directions. The two ends of the second prefabricated sheet pile block are provided with second grooves, the two ends of the third prefabricated sheet pile block are respectively provided with a third protrusion and a third groove, and the fourth The two ends of the prefabricated sheet pile block are provided with fourth protrusions, the second groove is for the third protrusion to be installed in the up-down direction, and the third groove is for the fourth protrusion to be installed in the up-down direction; the The top and bottom of the second prefabricated sheet pile block, the third prefabricated sheet pile block and the fourth prefabricated sheet pile are provided with mounting protrusions corresponding to the mounting grooves. Preferably, the concrete grades of the second prefabricated sheet pile block, the third prefabricated sheet pile block and the fourth prefabricated sheet pile block are C40-C80, wherein the height of the second prefabricated sheet pile block and the fourth prefabricated sheet pile block is 300～C80 450mm, length 1200-1400mm, thickness 300-600mm; the height of the third prefabricated sheet pile block is 300-450mm, length 2400-2800mm, thickness 300-600mm; the depth of the second groove is 100-150mm, the third convex The depth of the mounting protrusion is 100-150 mm, the depth of the third groove is 100-150 mm, the depth of the fourth protrusion is 100-150 mm, and the depth of the mounting protrusion is 120-180 mm.

Further, the top layer is composed of a fifth prefabricated sheet pile block, a sixth prefabricated sheet pile block and a seventh prefabricated sheet pile block that are sequentially spliced along the left and right directions; both ends of the fifth prefabricated sheet pile block are provided with the fifth groove, the two ends of the sixth prefabricated sheet pile block are respectively provided with a sixth protrusion and a sixth groove, the two ends of the seventh prefabricated sheet pile block are provided with a seventh protrusion, the The fifth groove is for the sixth protrusion to be installed in the up and down direction, and the sixth groove is for the seventh protrusion to be installed in the up and down direction; the fifth prefabricated sheet pile block, the sixth prefabricated sheet pile block and the first The bottom of the seven prefabricated sheet pile blocks is provided with installation protrusions corresponding to the installation grooves. Among them, the concrete grade of the fifth prefabricated sheet pile block, the sixth prefabricated sheet pile block and the seventh prefabricated sheet pile block is C40～C80, the height of the fifth prefabricated sheet pile block and the seventh prefabricated sheet pile block is 300～450mm, the length 1200～1400mm, thickness 300～600mm; the height of the sixth prefabricated sheet pile block is 300～450mm, the length is 2400～2800mm, and the thickness is 300～600mm; the depth of the fifth groove is 100～150mm, and the depth of the sixth protrusion is 100mm ～150mm, the depth of the sixth groove is 100～150mm, the depth of the seventh projection is 100～150mm, and the depth of the mounting projection is 120～180mm.

Further, the first prefabricated sheet pile block, the second prefabricated sheet pile block, the third prefabricated sheet pile block, the fourth prefabricated sheet pile block, the fifth prefabricated sheet pile block, the sixth prefabricated sheet pile block, and the seventh prefabricated slab There are concave surfaces for placing tires on the pile blocks. The depth of the concave surface is 90-180mm. The tire is a semi-circular structure after a complete tire is divided into two parts. The end face of the tire is set in the concave surface. The tire diameter is 600-800mm, and the tire section height is 30-50mm. The tire is fixed and installed on the prefabricated sheet pile block by screws. Two holes corresponding to the screws are reserved in the corresponding position of the tire. The hole diameter is 10-15mm. The length is not less than 50mm, and the diameter is 5-10mm. There is a slidable ring on the screw, which is made of corrosion-resistant steel sheet, with a diameter of 8-15mm and a thickness of 2-3mm. If there is falling off, the ring can prevent it from falling off with the tire, and the prefabricated sheet pile block between the tire and the sheet pile wall is fixedly connected in the factory; A square groove is set at the joint of the block, so that a part of the tire falls into the square groove, and the depth of the square groove is 30-50mm.

Further, the ground base layer is composed of an eighth prefabricated sheet pile block and a ninth prefabricated sheet pile block sequentially spliced along the left and right directions; the eighth prefabricated sheet pile block is provided with eighth grooves at both ends, The two ends of the ninth prefabricated sheet pile block are provided with ninth protrusions, and the eighth groove is for the ninth protrusion to be installed in the up and down direction; the eighth prefabricated sheet pile block and the ninth prefabricated sheet pile block There are installation protrusions corresponding to the installation grooves on the top of the . Among them, the concrete grades of the eighth and ninth prefabricated sheet pile blocks are C40-C80, the height of the sheet pile blocks is 300-450mm, the length is 2400-2800mm, and the thickness is 300-600mm. The depth is 100-150mm, and the depth of the installation protrusion is 120-180mm.

Further, in order to facilitate construction, a tire wall covering film for positioning is also provided, and its material is corrosion-resistant steel plate, the height of the tire wall covering film is not less than 3000mm, the length is 1200-1400mm, and the thickness of the steel plate is 3-6mm; The tire wall covering film is sleeved on the outer side of the sheet pile wall, and the two ends of the tire wall covering film are provided with symmetrical removable steel plates, which are designed to be removable in order to ensure the positioning of the sheet pile wall when a single prefabricated sheet pile block is used. In addition, when multiple prefabricated sheet pile blocks are positioned together for construction, the detachable steel plate at one end is disassembled, the next set of membranes is hoisted, and the two membranes are spliced together through a threaded cylinder. , to form a combined mantle for the construction of multiple prefabricated sheet pile blocks, and the depth of the mantle can meet the requirements of hydraulic specifications; the surface of the tire wall sheath is provided with an arc surface matching the tire, and the tire wall sheath The horizontal distance between the inner wall of the tire wall and the outside of the sheet pile wall is 2-5 mm, preferably 3 mm, and the overall height of the tire wall covering film is higher than the height of the sheet pile wall.

The present invention also protects a construction method for an assembled tire sheet pile wall, comprising the following steps:

Step 1. Put the eighth prefabricated sheet pile block into the guide frame, adjust the verticality of the eighth prefabricated sheet pile block and then drive the piles, and continue to drive the ninth prefabricated sheet pile according to the positioning position of the eighth prefabricated sheet pile block until the eighth prefabricated sheet pile block and the ninth prefabricated sheet pile block are spliced together and form the foundation layer;

Step 2, cover the tire wall film on the outside of the base layer;

Step 3: Hang the first prefabricated sheet pile block horizontally on the base layer according to the position of the tire wall covering film to form a connection layer; then hang the second prefabricated sheet pile block and the third prefabricated sheet pile horizontally on the upper part of the connection layer. block and a fourth prefabricated sheet pile block, forming the fill layer;

Step 4. Repeat step 3 until the wall of the sheet pile wall reaches the preset height;

Step 5. According to the position of the tire wall covering film, horizontally hang the fifth prefabricated sheet pile block, the sixth prefabricated sheet pile block and the seventh prefabricated sheet pile on the top of the wall completed in step 4 to form the top layer;

Step 6: Recycle the tire wall covering film.

Beneficial effects: Compared with the prior art, the present invention has the following significant advantages: the fabricated tire sheet pile wall of the present invention can be used for various support types such as river banks and embankments, and the prefabricated sheet pile blocks are stacked by grooves. When the sheet pile wall is damaged, single or multiple sheet pile wall blocks can be replaced directly. The construction is simple and easy, which saves construction time, reduces personnel costs, and speeds up the construction progress; waste tires are used as sheet piles. The important structure can buffer the impact of the sudden external force on the wall, greatly improve the utilization rate of resources, and the impact of construction on the environment is small.

Description of drawings

1 is a perspective view of an assembled tire sheet pile wall of the present invention;

Fig. 2 is the layout schematic diagram of the prefabricated sheet pile block of the present invention;

Figure 3 is a schematic structural diagram of the first prefabricated sheet pile block of the present invention;

4 is a schematic structural diagram of a second prefabricated sheet pile block of the present invention;

5 is a schematic structural diagram of a third prefabricated sheet pile block of the present invention;

6 is a schematic structural diagram of a fourth prefabricated sheet pile block of the present invention;

7 is a schematic structural diagram of a fifth prefabricated sheet pile block of the present invention;

8 is a schematic structural diagram of a sixth prefabricated sheet pile block of the present invention;

9 is a schematic structural diagram of a seventh prefabricated sheet pile block of the present invention;

10 is a schematic structural diagram of an eighth prefabricated sheet pile block of the present invention;

11 is a schematic structural diagram of the ninth prefabricated sheet pile block of the present invention;

Fig. 12 is the structural schematic diagram of the tire of the present invention;

Fig. 13 is the structural schematic diagram of the screw of the present invention;

Figure 14 is a schematic diagram of the installation of the present invention;

FIG. 15 is a schematic view of the structure of the tire wall covering film of the present invention.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and embodiments.

Referring to a prefabricated tire sheet pile wall shown in Figures 1 and 2, it includes ground base 1, connecting layer 4, filling layer 2, connecting layer 4, filling layer 2, connecting layer 4 and top layer connected in sequence from bottom to top 3; The layers are connected by the installation groove 6 and the installation protrusion 7, the depth of the installation groove 6 is 15cm, and the protruding height of the installation protrusion 7 is 15cm; wherein, the ground base 1 includes three eighth prefabricated sheet piles The block 11 and the three ninth prefabricated sheet pile blocks 12, the eighth prefabricated sheet pile block 11 and the ninth prefabricated sheet pile block 12 are sequentially spliced along the left-right direction; the connecting layer 4 includes three first prefabricated sheet piles that are sequentially spliced along the left-right direction Block 41; the filling layer 2 includes a second prefabricated sheet pile block 21, two third prefabricated sheet pile blocks 22 and a fourth prefabricated sheet pile block 23, which are sequentially spliced in the left-right direction; the top layer 3 includes a fifth prefabricated sheet pile block The block 31 , two sixth prefabricated sheet pile blocks 32 and one seventh prefabricated sheet pile block 33 are sequentially spliced along the left-right direction.

10 and 11 , the eighth prefabricated sheet pile block 11 and the ninth prefabricated sheet pile block 12 are both made of C40 concrete, and the two overall dimensions are 2m high x 1.2m long x 0.6m thick, and the eighth groove 111 The size is 2m in height×0.1m in depth×0.4m in thickness, and the size of the ninth protrusion 121 is 2m in height×0.1m in depth×0.4m in thickness.

Referring to FIG. 3 , the first prefabricated sheet pile block 41 is made of C40 concrete, and the size is 0.3m in height×2.4m in length×0.6m in thickness, and the size of the first groove 412 is 2m in height×0.1m in depth×0.4m in thickness. The size of the protrusion 411 is 2 m in height x 0.1 m in depth x 0.4 m in thickness.

4 to 6, the second prefabricated sheet pile block 21, the third prefabricated sheet pile block 22 and the fourth prefabricated sheet pile block 23 use C40 concrete, the second prefabricated sheet pile The dimensions are height 0.3m×length 1.2m×thickness 0.6m, the size of the third prefabricated sheet pile block 22 is height 0.3m×length 2.4m×thickness 0.6m; the size of the second groove 211 is height 2m×depth 0.1m × thickness 0.4m, the size of the third protrusion 221 is height 2m × depth 0.1m × thickness 0.4m, the size of the third groove 222 is height 2m × depth 0.1m × thickness 0.4m, the size of the fourth protrusion 231 It is 2m high x 0.1m deep x 0.4m thick.

7 to 9, the fifth prefabricated sheet pile block 31, the sixth prefabricated sheet pile block 32 and the seventh prefabricated sheet pile The dimensions are height 0.3m×length 1.2m×thickness 0.6m, the size of the sixth prefabricated sheet pile block 3 is height 0.3m×length 2.4m×thickness 0.6m; the size of the fifth groove 311 is height 2m×depth 0.1m × thickness 0.4m, the size of the sixth protrusion 321 is height 2m × depth 0.1m × thickness 0.4m, the size of the sixth groove 322 is height 2m × depth 0.1m × thickness 0.4m, the size of the seventh protrusion 331 It is 2m high x 0.1m deep x 0.4m thick.

12 to 14, the tire 5 is a semicircular structure, the tire diameter is 60cm, and the section width is 30cm. The tire 5 is installed on the concave surface 8 of each prefabricated sheet pile block, and the depth of the concave surface is 15cm. The tire 5 is fixed and installed by screws 51 On the prefabricated sheet pile block, the diameter of the screw is 10mm and the thickness is 3mm, and the screw 51 is provided with a ring 52 to prevent it from falling off; the joint of the tire 5 and the prefabricated sheet pile block is provided with an outer surface for preventing the outer surface of the tire from exceeding the sheet pile wall. The thickness of the square grooves 9, four square grooves 9 are provided, distributed at the four corners of the concave surface 8, and the depth of the square grooves is 40mm.

Referring to FIG. 15 , a tire wall covering film 10 for construction positioning is provided on the outside of the sheet pile wall. The tire wall covering film 10 is 3m long and 1.2m long and 5mm thick. Both ends of the tire wall covering film 10 are provided with symmetrical The detachable steel plate 101, the surface of the tire wall covering film 10 is provided with a circular arc surface 102 that matches the tire 5, the horizontal distance between the inner wall of the tire wall covering film 10 and the outside of the sheet pile wall is 3mm, and the overall The height is higher than the height of the sheet pile wall.

When the prefabricated tire sheet pile wall needs to be installed, take the river bank installation as an example, including the following steps:

Step 1. Set up construction equipment on the construction site, put the eighth prefabricated sheet pile block 11 into the guide frame, adjust the verticality of the eighth prefabricated sheet pile block 11 at the same time, find the positioning point and review the plane and verticality deviation. The hammering construction process drives the sinking pile, adjusts the offset position, continues construction until the design elevation is reached, records the construction data, and prepares to drive the ninth prefabricated sheet pile block 12, and continues to drive the ninth prefabricated sheet pile block 12. Eight prefabricated sheet pile blocks 11 and eighth prefabricated sheet pile blocks 11, repeat the above steps until the foundation layer 1 is formed;

Step 2: Put the tire wall covering film 10 on the outside of the base layer 1, so that the tire wall covering film 10 is immersed in the water, and use a machine to drive it into the soil to a certain depth according to the requirements of the hydraulic code to ensure that it can stand still in the water vertically ;

Step 3. According to the guidelines of the removable tire wall covering film, horizontally hoist the first prefabricated sheet pile blocks 41 required by the design on the base layer 1, so that they are physically connected through the grooves to form the connecting layer 4; Guided by the wall covering film, the designed number of the second prefabricated sheet pile blocks 21, the third prefabricated sheet pile blocks 22 and the fourth prefabricated sheet pile blocks 23 are sequentially suspended on the connecting layer 4 to form the filling layer 2;

Step 5. According to the guidelines of the removable tire wall covering film, hang the designed number of the fifth prefabricated sheet pile block 31, the sixth prefabricated sheet pile block 32 and the seventh prefabricated sheet pile block on the first prefabricated sheet pile block 41 of the filling layer in turn. The sheet pile 33 forms the top layer 3 and completes the top construction of the prefabricated tire sheet pile wall;

Step 6: Recovering the tire wall covering film 10 completes the installation of the prefabricated tire sheet pile wall.

Claims

A prefabricated tire sheet pile wall, comprising a ground base (1) arranged at the bottom for piling, and characterized in that it further comprises a plurality of filling layers (2) arranged on the ground base (1) for forming a wall and a top layer (3) arranged on the upper part of the filling layer (2); between the ground layer (1) and the filling layer (2), between the adjacent filling layers (2), and the filling layer (2) and the top layer (3) A connecting layer (4) for anchoring is provided between ); the connecting layer (4) is composed of at least two first prefabricated sheet pile blocks (41) that are sequentially spliced along the left and right directions, and in the same connecting layer (4) The ends of two adjacent first prefabricated sheet pile blocks (41) are provided with a first protrusion (411) and a first groove (412) that are adapted, and the top of the first prefabricated sheet pile blocks (41) And the bottom is also provided with a mounting groove (6) for fixing; the sidewalls of the filling layer (2), the connecting layer (4) and the top layer (3) are provided with tires (5) for buffering external force.
The prefabricated tire sheet pile wall according to claim 1, characterized in that: the filling layer (2) is composed of a second prefabricated sheet pile block (21) and a third prefabricated sheet pile block (22) that are sequentially spliced along the left-right direction. ) and a fourth prefabricated sheet pile block (23); both ends of the second prefabricated sheet pile block (21) are provided with second grooves (211), and the third prefabricated sheet pile block (22) A third protrusion (221) and a third groove (222) are respectively provided at both ends of the fourth prefabricated sheet pile block (23), and a fourth protrusion (231) is provided at both ends of the fourth prefabricated sheet pile block (23). The two grooves (211) are for the third protrusions (221) to be installed in the up-down direction, and the third grooves (222) are for the fourth protrusions (231) to be installed in the up-down direction; the second prefabricated board The top and bottom of the pile block (21), the third prefabricated sheet pile block (22) and the fourth prefabricated sheet pile (23) are provided with mounting protrusions (7) corresponding to the mounting grooves (6).
The prefabricated tire sheet pile wall according to claim 1, characterized in that: the top layer (3) is composed of a fifth prefabricated sheet pile block (31) and a sixth prefabricated sheet pile block (32) that are sequentially spliced along the left and right direction. ) and a seventh prefabricated sheet pile block (33); both ends of the fifth prefabricated sheet pile block (31) are provided with fifth grooves (311), and the sixth prefabricated sheet pile block (32) A sixth protrusion (321) and a sixth groove (322) are respectively provided at both ends of the seventh prefabricated sheet pile block (33), and a seventh protrusion (331) is provided at both ends of the seventh prefabricated sheet pile block (33). The groove (311) is for the sixth protrusion (321) to be installed in the up-down direction, and the sixth groove (322) is for the seventh protrusion (331) to be installed in the up-down direction; the fifth prefabricated sheet pile The bottoms of the block (31), the sixth prefabricated sheet pile block (32) and the seventh prefabricated sheet pile block (33) are provided with mounting protrusions (7) corresponding to the mounting grooves (6).
The fabricated tire sheet pile wall according to any one of claims 1-3, characterized in that: a first prefabricated sheet pile block (41), a second prefabricated sheet pile block (21), and a third prefabricated sheet pile block ( 22), the fourth prefabricated sheet pile block (23), the fifth prefabricated sheet pile block (31), the sixth prefabricated sheet pile block (32) and the seventh prefabricated sheet pile block (33) are provided with tires (5). ) placed on the concave surface (8), the tire (5) is fixedly mounted on the prefabricated sheet pile block by screws (51), and the screws (51) are provided with a ring (52) to prevent them from falling off.
The assembled tire sheet pile wall according to claim 4, characterized in that: a square groove (9) for preventing the outer surface of the tire from exceeding the thickness of the sheet pile wall is provided at the joint of the tire (5) and the prefabricated sheet pile block.
The prefabricated tire sheet pile wall according to claim 1, characterized in that: the eighth prefabricated sheet pile block (11) and the ninth prefabricated sheet pile block (12) sequentially spliced along the left and right directions of the ground base (1) ); the two ends of the eighth prefabricated sheet pile block (11) are provided with eighth grooves (111), and the two ends of the ninth prefabricated sheet pile block (12) are provided with ninth protrusions ( 121), the eighth groove (111) is for the ninth protrusion (121) to be installed in the up-down direction; the tops of the eighth prefabricated sheet pile block (11) and the ninth prefabricated sheet pile block (12) A mounting protrusion (7) corresponding to the mounting groove (6) is provided.
The prefabricated tire sheet pile wall according to claim 1, further comprising a tire wall covering film (10) used for construction positioning, the tire wall covering film (10) being sleeved on the outer side of the sheet pile wall , both ends of the tire wall covering film (10) are provided with symmetrical removable steel plates (101), the surface of the tire wall covering film (10) is provided with an arc surface (102) matching the tire (5), and the tire wall covering The horizontal distance between the inner wall of the membrane (10) and the outer side of the sheet pile wall is 2-5 mm, and the overall height of the tire wall covering membrane (10) is higher than the height of the sheet pile wall.
A construction method of the prefabricated tire sheet pile wall according to claim 1, characterized in that, comprising the following steps:

Step 1. Put the eighth prefabricated sheet pile block (11) into the guide frame, adjust the verticality of the eighth prefabricated sheet pile block (11), and then drive the piles, according to the positioning of the eighth prefabricated sheet pile block (11) The position continues to drive the ninth prefabricated sheet pile block (12) until the eighth prefabricated sheet pile block (11) and the ninth prefabricated sheet pile block (12) are spliced together and form the foundation layer (1);

Step 2, covering the exterior of the base layer (1) with a tire wall covering film (10);

Step 3: According to the position of the tire wall covering film (10), horizontally suspend the first prefabricated sheet pile block (41) on the ground layer (1) to form a connecting layer (4); then on the upper part of the connecting layer (4) horizontally hoisting the second prefabricated sheet pile block (21), the third prefabricated sheet pile block (22) and the fourth prefabricated sheet pile block (23) to form a filling layer (2);

Step 4. Repeat step 3 until the wall of the sheet pile wall reaches the preset height;

Step 5. According to the position of the tire wall covering film (10), horizontally hang the fifth prefabricated sheet pile block (31), the sixth prefabricated sheet pile block (32) and the seventh prefabricated sheet pile on the top of the wall completed in step 4 (33), forming the top layer (3);

Step 6: Recover the tire wall covering film (10).