High-stability metro station enclosure structure and construction method thereof

Abstract

The application provides a high-stability subway station enclosure structure and a construction method thereof, and belongs to the technical field of subway station enclosure structures. The structure comprises a deep anti-seepage shear wall, the top surface of the deep anti-seepage shear wall is poured with an enclosure base, the right vertical surface of the top surface of the enclosure base is poured with an enclosure shear wall, the left surface of the enclosure base is longitudinally poured with a plurality of anti-outside-pushing edges at intervals, the outside of each anti-outside-pushing edge is longitudinally poured with a tensile longitudinal edge, and a plurality of H-shaped steel beams are embedded at intervals at the lower end of the tensile longitudinal edge. Through the above-mentioned new structure design, the problem that the support strength is insufficient when the existing shear wall enclosure structure resists lateral soil pressure, and the shear wall enclosure structure is easily cracked obliquely and pushed inward, and the problem that the bottom of the base generally does not have a side seepage prevention function, resulting in horizontal seepage at the bottom surface of the base, are effectively solved.

Description

Technical Field

[0001] This invention relates to a highly stable subway station enclosure structure and its construction method, belonging to the technical field of subway station enclosure structure. Background Technology

[0002] With the rapid development of urbanization, urban subway construction has become a key project in many cities. Most subway construction is located in the city center. In order to ensure the safety of construction and the surrounding environment of the foundation pit, it is necessary to take support, reinforcement and protection measures for the side walls and surrounding areas of the foundation pit. Due to its high strength, rigidity and self-waterproof performance, diaphragm walls are widely used.

[0003] Existing subway station foundation pit retaining structures typically consist of a reinforced concrete platform around the pit, upon which a shear wall retaining structure is then cast. However, because the top surfaces of the shear wall retaining structures lack lateral tensile support, the shear wall retaining structure is insufficiently supported when resisting lateral earth pressure, leading to diagonal cracking and inward displacement. Furthermore, since the platform generally lacks lateral seepage prevention, water from the lateral soil layer can seep laterally into the subway station foundation pit through the bottom of the platform during use. To address these shortcomings, this invention proposes a highly stable subway station retaining structure and its construction method. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a highly stable subway station enclosure structure and its construction method to solve the existing problems.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: a highly stable subway station enclosure structure, the structure of which includes a deeply buried seepage-proof shear wall, and an enclosure base is cast on the top surface of the deeply buried seepage-proof shear wall, and an enclosure shear wall is vertically cast on the right side of the top surface of the enclosure base. Multiple anti-outward thrust edges are cast longitudinally at intervals on the left side of the enclosure base, and tension longitudinal edges are cast longitudinally on the outer side between each anti-outward thrust edge. Multiple H-shaped steel beams are deeply buried at intervals at the lower end of the tension longitudinal edges. The upper ends of each H-shaped steel beam are exposed and cast together with the tension longitudinal edges to form an interlocking structure. Multiple first embedded parts and multiple second embedded parts are pre-embedded at intervals on the surface of the enclosure shear wall. A third embedded part is pre-embedded at the upper middle part of each anti-outward thrust edge. The first embedded parts, second embedded parts and third embedded parts in each horizontal row are aligned and equipped with a reinforcing support structure.

[0006] Each of the aforementioned reinforced support structural components includes a fixed column, and a telescopic column is fitted onto the upper end of the fixed column. A pressure-resistant sleeve assembly is welded to the bottom surface of the telescopic column. A reinforcing support rod is fitted onto the pressure-resistant sleeve assembly. After the fixed column and the telescopic column are telescopically installed as a whole, they are fitted between the first and third embedded parts and locked with bolts for oblique support. The reinforcing support rod is fitted between the pressure-resistant sleeve assembly and the second embedded part and locked with bolts for oblique support.

[0007] The deeply buried seepage-proof shear wall, retaining base, retaining shear wall, each anti-outward thrust edge and tensile longitudinal edge are all reinforced concrete structures, and the steel bars inside each structure form an interlocking structure.

[0008] Further improvements include a deep-buried anti-seepage shear wall with a height of 1.5-2m, a retaining base with a width of 1.5-2m and a height of 0.8-1.1m, a retaining shear wall with a width of 0.6-0.9m, and an H-beam with a length of 4-6m.

[0009] A further improvement is that each of the aforementioned anti-outward pushing edges includes a horizontal edge, and a vertical edge is integrally cast in the middle of the horizontal edge, and the top surface of the vertical edge is flush with the top surface of the retaining base.

[0010] A further improvement is that each of the first embedded parts includes a steel panel, and a first plug is welded to the center of the outer side of the steel panel, and multiple hook ribs are welded at intervals on the inner side of the steel panel. The length and width of the steel panel are both 0.5-0.8m. The first embedded part and the second embedded part have the same structure.

[0011] A further improvement is that the third embedded part includes an L-shaped panel, and a second plug is welded to the center of the top surface of the L-shaped panel.

[0012] A further improvement is that the fixing column includes a fixing column body, and a telescopic sleeve groove is provided in the middle of the right side of the fixing column body. A screw edge is welded on the right side of the fixing column body, and a plurality of first pressing screws are threadedly connected to the screw edge at transverse intervals. A first socket is welded on the left side of the fixing column body for engaging with the second plug.

[0013] A further improvement is that the telescopic column includes a telescopic column body, and an extension column for fitting into the telescopic sleeve groove is welded laterally on the left side of the telescopic column body. A pressing edge that abuts against the first pressing screw is welded on the left side of the telescopic column body. A second socket for engaging with the first plug is welded on the right side of the telescopic column body.

[0014] A further improvement is that the pressure sleeve assembly includes a pressure slide, and the pressure slide has a sliding groove in the middle, and a sliding block is movably fitted in the sliding groove. A third plug is welded to the middle of the surface of the sliding block. Two second pressure screws are symmetrically threaded to the left and right sides of the sliding groove, and the inner sides of the two second pressure screws are threaded to a pressure plate for surface contact with the side of the sliding block.

[0015] A further improvement is that the reinforcing support rod includes a support rod body, and two third sockets are welded on the left and right sides of the support rod body for corresponding connection with the second plug and the third plug on the second embedded part.

[0016] Furthermore, this invention also provides a construction method for the aforementioned highly stable subway station enclosure structure, the construction method being as follows:

[0017] First, excavate the foundation pit required for the deep-buried seepage-proof shear wall and retaining platform. Then, nail the formwork, tie the reinforcing bars, and pour the concrete to obtain the deep-buried seepage-proof shear wall and retaining platform. Reserve the reinforcing bar head at the top of the retaining platform to engage with the reinforcing bars on the retaining shear wall, and reserve the reinforcing bar head at intervals on the left side of the retaining platform to engage with the reinforcing bars on each anti-outward push edge.

[0018] Then, excavate the foundation pits required for the anti-outward thrust edge and the tension longitudinal edge together, and insert each H-shaped steel beam at intervals in the foundation pit required for the tension longitudinal edge, and the upper end of the H-shaped steel beam should be exposed. Then, nail the formwork, tie the steel bars in the foundation pit, and embed the third embedded part at a fixed point. Then, pour the anti-outward thrust edge and the tension longitudinal edge. Then, backfill the anti-outward thrust edge and the tension longitudinal edge with soil so that only the upper end of the third embedded part is exposed.

[0019] Then, formwork is nailed to the top surface of the retaining base, steel bars are tied, and the first and second embedded parts are embedded at intervals aligned with the third embedded part. Then, the retaining shear wall is poured. At this time, the first, second, and third embedded parts in each horizontal row are aligned.

[0020] Finally, the corresponding sets of reinforcing support structural components are locked between the first, second, and third embedded parts to form an obliquely reinforced and stable support for the retaining shear wall.

[0021] The beneficial effects of this invention are:

[0022] This invention provides a highly stable subway station retaining structure and its construction method. Through a structural combination design of a deeply buried anti-seepage shear wall 1, an anti-outward thrust edge 4, a tension longitudinal edge 5, an H-shaped steel beam 6, a first embedded part 7, a second embedded part 8, a third embedded part 9, and a reinforcing support structure 10 between the retaining base 2 and the retaining shear wall 3, a highly stable subway station retaining structure is formed. The deeply buried anti-seepage shear wall 1 serves to prevent lateral seepage, settlement, tilting, and inward movement of the retaining base 2. The anti-outward thrust edge 4, the tension longitudinal edge 5, and the H-shaped steel beam 6 are integrally cast with reduced-volume concrete on the inner side of the retaining base 2, increasing the cross-section of the retaining base 2 and preventing inward movement, tilting, and settlement. However, the primary purpose is to provide a stable support point for the reinforcing support structure 10. The third embedded part 9, while the first embedded part 8, the second embedded part 9, and the third embedded part 9 are all designed to provide a stable support point for the reinforcing support structure 10. The embedded design of the second embedded part 8 on the wall surface of the retaining shear wall 3 eliminates the need for drilling holes in the retaining shear wall 3 when installing the reinforcing support structure 10 for diagonal support. It also increases the load-bearing support surface of the retaining shear wall 3. In addition, the reinforcing support structure 10 is composed of multiple segments, so it will not be affected by slight differences in the embedded spacing between the first embedded part 7, the second embedded part 8, and the third embedded part 9 in each horizontal row, which may cause installation problems. This makes the installation and removal of the reinforcing support structure 10 for diagonal support of the retaining shear wall 3 simple and convenient. Through the above-mentioned new structural design, the problem of insufficient support strength, easy diagonal cracking and inward displacement of the existing shear wall retaining structure when resisting lateral earth pressure is effectively solved. Furthermore, since the bottom of the foundation generally does not have a side seepage prevention function, it leads to the problem of lateral water seepage on the bottom surface of the foundation. Attached Figure Description

[0023] Figure 1 This is a side view of a highly stable subway station enclosure structure according to the present invention;

[0024] Figure 2 This is a schematic diagram of the top surface structure of a highly stable subway station enclosure structure according to the present invention;

[0025] Figure 3 For the present invention Figure 1 Enlarged view of part A in the image;

[0026] Figure 4 For the present invention Figure 1 Enlarged view of part B in the image;

[0027] Figure 5 For the present invention Figure 1 Enlarged view of part C in the image;

[0028] Figure 6 This is an unfolded view of the reinforcing support structure of the present invention;

[0029] Figure 7This is a schematic diagram of the fixed column and telescopic column structure of the present invention;

[0030] Figure 8 This is a schematic diagram of the pressure sleeve assembly structure of the present invention. Detailed Implementation

[0031] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0032] Please see Figures 1-8 This invention provides a highly stable subway station retaining structure and its construction method: the structure includes a deeply buried seepage-proof shear wall 1, with a retaining base 2 cast on the top surface of the deeply buried seepage-proof shear wall 1, and a retaining shear wall 3 vertically cast on the right side of the top surface of the retaining base 2. Multiple anti-outward thrust edges 4 are longitudinally cast at intervals on the left side of the retaining base 2, and tension longitudinal edges 5 are longitudinally cast on the outer side between each anti-outward thrust edge 4. Multiple H-shaped steel beams 6 are deeply buried at intervals at the lower end of the tension longitudinal edges 5, and the upper ends of each H-shaped steel beam 6 are exposed and cast together with the tension longitudinal edges 5 to form an interlocking structure. Multiple first embedded parts 7 and multiple second embedded parts 8 are pre-embedded at intervals on the surface of the retaining shear wall 3, and a third embedded part 9 is pre-embedded at the upper middle part of each anti-outward thrust edge 4. Between each horizontal row of first embedded parts 7, second embedded parts 8, and third embedded parts 9... Each of the reinforced support structures 10 is aligned and equipped with a reinforcing support structure 10. Each of the reinforcing support structures 10 includes a fixed column 11, and a telescopic column 12 is fitted on the upper end of the fixed column 11. The bottom surface of the telescopic column 12 is welded with a pressure-resistant sleeve assembly 13. A reinforcing support rod 14 is fitted on the pressure-resistant sleeve assembly 13. After the fixed column 11 and the telescopic column 12 are telescopically installed as a whole, they are fitted between the first embedded part 7 and the third embedded part 9 and locked with bolts 15 for oblique support. The reinforcing support rod 14 is fitted between the pressure-resistant sleeve assembly 13 and the second embedded part 8 and locked with bolts 15 for oblique support. The deep-buried seepage-proof shear wall 1, the retaining base 2, the retaining shear wall 3, each anti-outward push edge 4 and the tension longitudinal edge 5 are all reinforced concrete structures, and the steel bars inside each structure form an interlocking structure.

[0033] The height of the deep-buried anti-seepage shear wall 1 is 1.5-2m, the width of the retaining base 2 is 1.5-2m and the height is 0.8-1.1m, the width of the retaining shear wall 3 is 0.6-0.9m, and the length of the H-beam 6 is 4-6m.

[0034] Each of the aforementioned anti-outward push edges 4 includes a horizontal edge 41, and a vertical edge 42 is integrally cast in the middle of the horizontal edge 41, and the top surface of the vertical edge 42 is flush with the top surface of the enclosure base 2.

[0035] A further improvement is that each of the first embedded parts 7 includes a steel panel 71, and a first plug 72 is welded to the middle of the outer side of the steel panel 71, and a plurality of hook ribs 73 are welded at intervals on the inner side of the steel panel 71. The length and width of the steel panel 71 are both 0.5-0.8m. The first embedded part 7 and the second embedded part 8 have the same structure.

[0036] The third embedded part 9 includes an L-shaped panel 91, and a second plug 92 is welded to the center of the top surface of the L-shaped panel 91.

[0037] The fixing post 11 includes a fixing post body 111, and a telescopic sleeve groove 112 is provided in the middle of the right side surface of the fixing post body 111. A screw edge 113 is welded on the right side post of the fixing post body 111. A plurality of first pressing screws 114 are threadedly connected laterally at intervals on the screw edge 113. A first socket 115 for engaging with the second plug 92 is welded on the left side surface of the fixing post body 111.

[0038] The telescopic column 12 includes a telescopic column body 121, and an extension column 122 for fitting into the telescopic sleeve groove 112 is welded laterally on the left side of the telescopic column body 121. A pressing edge 123 that abuts against the first pressing screw 114 is welded on the left side of the telescopic column body 121. A second socket 124 that engages with the first plug 72 is welded on the right side of the telescopic column body 121.

[0039] The pressure sleeve assembly 13 includes a pressure slide 131, and a sliding groove 132 is provided in the middle of the pressure slide 131. A sliding block 133 is movably fitted in the sliding groove 132. A third plug 134 is welded to the middle of the surface of the sliding block 133. Two second pressure screws 135 are symmetrically threaded to the left and right sides of the sliding groove 132. The inner sides of the two second pressure screws 135 are threaded with abutment plates 136 for surface abutment with the side of the sliding block 133.

[0040] The reinforcing support rod 14 includes a support rod body 141, and two third sockets 142 are welded on the left and right sides of the support rod body 141 for corresponding connection with the second plug and the third plug 134 on the second embedded part 8.

[0041] Working principle:

[0042] First, excavate the foundation pit required for the deep-buried seepage-proof shear wall 1 and the retaining base 2. Then, nail the formwork, tie the reinforcing bars, and pour the concrete to obtain the deep-buried seepage-proof shear wall 1 and the retaining base 2. Reserve the reinforcing bar head at the upper end of the retaining base 2 to engage with the reinforcing bars on the retaining shear wall 3. Also, reserve the reinforcing bar head at intervals on the left side of the retaining base 2 to engage with the reinforcing bars on each anti-outward push edge 4.

[0043] The deep-buried anti-seepage shear wall 1 is a monolithic wall, and the steel bars on the deep-buried anti-seepage shear wall 1 only need to be installed in the upper half. With a deep-buried wall height of 1.5m, the water in the lateral soil layer can be completely prevented from seeping laterally from the bottom of the retaining foundation 2 into the subway station pit. In addition, the deep-buried anti-seepage shear wall 1 can support the retaining foundation 2 and prevent the retaining foundation 2 from tilting and sinking.

[0044] Then, excavate the foundation pits required for the anti-outward thrust edge 4 and the tension longitudinal edge 5, and insert each H-beam 6 at intervals in the foundation pit required for the tension longitudinal edge 5, with the upper end of the H-beam 6 exposed. Then, nail the formwork, tie the reinforcing bars, and pre-embed the third embedded part 9 at a fixed point in the foundation pit, and then pour the anti-outward thrust edge 4 and the tension longitudinal edge 5. Then, backfill the anti-outward thrust edge 4 and the tension longitudinal edge 5 with soil so that only the upper end of the third embedded part 9 is exposed.

[0045] The main purpose of the anti-push-out edge 4 and the tension longitudinal edge 5 is to increase the transverse area of ​​the retaining base 2 with the aim of reducing the amount of concrete, so as to prevent the retaining base 2 from being pushed outward and tilted. In addition, the tension longitudinal edge 5 is directly inserted into the lower end of the tension longitudinal edge 5 to prevent it from being pushed outward, effectively shortening the construction time. Through the support and cooperation of the H-shaped steel beam 6 and the deep-buried anti-seepage shear wall 1 on the left and right sides, the overall structural stability of the retaining base 2, the anti-push-out edge 4 and the tension longitudinal edge 5 is higher. In addition, the third embedded part 9 on the anti-push-out edge 4 provides a stable support point for the subsequent fixed support structure 10 when it is tilted.

[0046] Then, nail the formwork and tie the steel bars on the top surface of the retaining base 2, and pre-embed the first embedded part 7 and the second embedded part 8 at intervals with the third embedded part 9, and then pour the shear wall 3 to form the retaining wall. At this time, the first embedded part 7, the second embedded part 8 and the third embedded part 9 in each horizontal row are aligned.

[0047] The steel panels 71 on the first embedded part 7 and the second embedded part 8 are designed to be 0.5-0.8m in length and width, which increases the support surface of the retaining shear wall 3 and prevents the retaining shear wall 3 from being damaged due to excessive stress on the support points.

[0048] Finally, the reinforcing support structure 10 is locked between the first embedded part 7, the second embedded part 8, and the third embedded part 9 to form an obliquely reinforced and stable support for the retaining shear wall 3.

[0049] The installation method of the reinforcement support structure 10 is as follows: First, the fixed column 11 and the telescopic column 12 are assembled together. Then, the first socket 115 is inserted into the second plug 92 and locked with bolts 15. The second socket 124 is inserted into the first plug 72 and locked with bolts 15. Finally, the first pressing screw 114 is rotated to press against the left side of the pressing edge 123, so that the overall length of the fixed column 11 and the telescopic column 12 will not shrink under force after installation, thus forming a stable support.

[0050] Then, the two third sockets 142 are respectively fitted with the second plug and the third plug 134 on the second embedded part 8 and locked by bolts 15. Then, the sliding block 133 is swung into the sliding groove 132, and the lower end second pressing screw 135 is rotated first, so that the lower end abutment plate 136 forms a support on the lower side of the sliding block 133. Finally, the upper end second pressing screw 135 is rotated, so that the upper end abutment plate 136 forms a reinforced support on the upper side of the sliding block 133.

[0051] The reinforcing support structure 10 is composed of multiple segments, so it will not be affected by the different spacing between the first embedded part 7, the second embedded part 8, and the third embedded part 9 in each horizontal row, and there will be no installation problems. In addition, the reinforcing support structure 10 can be directly used as a side wall in the subsequent enclosure shear wall 3, and needs to be removed after the platform top is poured on the top surface between the enclosure shear walls 3 to form a horizontal support.

[0052] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects. The scope of the invention is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0053] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A highly stable subway station enclosure structure, characterized in that: Its structure includes a deeply buried seepage-proof shear wall, on the top surface of which a retaining base is cast, and on the right side of the top surface of the retaining base, a retaining shear wall is cast vertically. On the left side of the retaining base, multiple anti-outward thrust edges are cast longitudinally at intervals, and on the outer side of each anti-outward thrust edge, a tension longitudinal edge is cast longitudinally. At the lower end of the tension longitudinal edge, multiple H-shaped steel beams are deeply buried at intervals. The upper ends of each H-shaped steel beam are exposed and cast together with the tension longitudinal edge to form an interlocking structure. Multiple first embedded parts and multiple second embedded parts are cast at intervals on the surface of the retaining shear wall. A third embedded part is cast at the upper middle part of each anti-outward thrust edge. The first, second, and third embedded parts in each horizontal row are aligned and equipped with a reinforcing support structure. Each of the aforementioned reinforced support structural components includes a fixed column, and a telescopic column is fitted onto the upper end of the fixed column. A pressure-resistant sleeve assembly is welded to the bottom surface of the telescopic column. A reinforcing support rod is fitted onto the pressure-resistant sleeve assembly. After the fixed column and the telescopic column are telescopically installed as a whole, they are fitted between the first and third embedded parts and locked with bolts for oblique support. The reinforcing support rod is fitted between the pressure-resistant sleeve assembly and the second embedded part and locked with bolts for oblique support. The deeply buried seepage-proof shear wall, retaining base, retaining shear wall, each anti-outward thrust edge and tensile longitudinal edge are all reinforced concrete structures, and the steel bars inside each structure form an interlocking structure.

2. The highly stable subway station enclosure structure according to claim 1, characterized in that: The height of the deep-buried anti-seepage shear wall is 1.5-2m, the width of the retaining base is 1.5-2m, and the height is 0.8-1.1m. The width of the retaining shear wall is 0.6-0.9m, and the length of the H-beam is 4-6m.

3. The highly stable subway station enclosure structure according to claim 2, characterized in that: Each of the aforementioned anti-outward pushing edges includes a horizontal edge, and a vertical edge is integrally cast in the middle of the horizontal edge, and the top surface of the vertical edge is flush with the top surface of the retaining base.

4. The highly stable subway station enclosure structure according to claim 3, characterized in that: Each of the first embedded parts includes a steel panel, and a first plug is welded to the center of the outer side of the steel panel, and multiple hook ribs are welded at intervals on the inner side of the steel panel. The length and width of the steel panel are both 0.5-0.8m. The first embedded part and the second embedded part have the same structure.

5. The highly stable subway station enclosure structure according to claim 4, characterized in that: The third embedded part includes an L-shaped panel, and a second plug is welded to the center of the top surface of the L-shaped panel.

6. The highly stable subway station enclosure structure according to claim 5, characterized in that: The fixing column includes a fixing column body, and a telescopic sleeve groove is provided in the middle of the right side of the fixing column body. A screw edge is welded on the right side of the fixing column body, and a plurality of first pressing screws are threadedly connected to the screw edge at transverse intervals. A first socket for engaging with the second plug is welded on the left side of the fixing column body.

7. A highly stable subway station enclosure structure according to claim 6, characterized in that: The telescopic column includes a telescopic column body, and an extension column for fitting into the telescopic sleeve groove is welded laterally on the left side of the telescopic column body. A pressing edge that abuts against the first pressing screw is welded on the left side of the telescopic column body. A second socket for engaging with the first plug is welded on the right side of the telescopic column body.

8. The highly stable subway station enclosure structure according to claim 7, characterized in that: The pressure sleeve assembly includes a pressure slide, and a sliding groove is provided in the middle of the pressure slide. A sliding block is movably fitted in the sliding groove. A third plug is welded to the middle of the surface of the sliding block. Two second pressure screws are symmetrically threaded to the left and right sides of the sliding groove. The inner sides of the two second pressure screws are threaded with a pressure plate for face-to-face contact with the side of the sliding block.

9. A highly stable subway station enclosure structure according to claim 8, characterized in that: The reinforcing support rod includes a support rod body, and two third sockets are welded on the left and right sides of the support rod body for corresponding connection with the second plug and the third plug on the second embedded part.

10. A construction method for a highly stable subway station enclosure structure as described in claim 9, characterized in that: The construction method is as follows: First, excavate the foundation pit required for the deep-buried seepage-proof shear wall and retaining platform. Then, nail the formwork, tie the reinforcing bars, and pour the concrete to obtain the deep-buried seepage-proof shear wall and retaining platform. Reserve the reinforcing bar head at the top of the retaining platform to engage with the reinforcing bars on the retaining shear wall. Also, reserve the reinforcing bar head at intervals on the left side of the retaining platform to engage with the reinforcing bars on each anti-outward push edge. Then, excavate the foundation pits required for the anti-outward thrust edge and the tension longitudinal edge together, and insert each H-shaped steel beam at intervals in the foundation pit required for the tension longitudinal edge, and the upper end of the H-shaped steel beam should be exposed. Then, nail the formwork, tie the steel bars in the foundation pit, and embed the third embedded part at a fixed point. Then, pour the anti-outward thrust edge and the tension longitudinal edge. Then, backfill the anti-outward thrust edge and the tension longitudinal edge with soil so that only the upper end of the third embedded part is exposed. Then, nail the formwork to the top surface of the retaining base, tie the reinforcing bars, and embed the first and second embedded parts at intervals with the third embedded parts. Then pour the concrete to form the retaining shear wall. At this time, the first, second, and third embedded parts in each horizontal row are aligned. Finally, the corresponding sets of reinforcing support structural components are locked between the first, second, and third embedded parts to form an obliquely reinforced and stable support for the retaining shear wall.

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