Cantilever retaining wall footing structure and construction method

Abstract

The application relates to the technical field of building construction, in particular to a cantilever retaining wall base structure and a construction method, which comprises a cushion base, a retaining wall arranged above the cushion base, a splicing assembly arranged between the cushion base and the retaining wall, and a connecting locking piece arranged between the cushion base and the retaining wall. After the retaining wall is spliced on the cushion base, the connecting locking piece connects the cushion base and the retaining wall, and the cushion base and the retaining wall are assembled and installed in a fabricated mode. The cantilever retaining wall base structure and the construction method have the beneficial effects that the cantilever retaining wall is prefabricated into a split-type cushion base and a retaining wall, the split-type cushion base and the retaining wall are small in volume, are convenient to transport and hoist, and after being spliced through the splicing assembly, the cushion base and the retaining wall on the site are quickly fixed through the connecting locking piece.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and particularly to a base structure and construction method of a cantilever retaining wall. Background Art

[0002] A cantilever retaining wall consists of a base plate and a straight wall fixed on the base plate, and is a retaining wall mainly relying on the weight of the fill soil on the base plate. It mainly consists of three reinforced concrete components: a vertical wall, a toe slab, and a heel slab.

[0003] In the prior art, the toe slab and the heel slab of the cantilever retaining wall form the base. Usually, the base and the vertical wall are integrally formed and need to be cast in place on site. To improve the on-site construction efficiency, precast cantilever retaining walls have emerged on the market, but the base and the vertical wall of the precast cantilever retaining wall are integrally designed.

[0004] However, when hoisting the integrally formed cantilever retaining wall to the construction site, due to the large overall volume and heavy weight of the cantilever retaining wall, it brings trouble to the hoisting work. Summary of the Invention

[0005] The purpose of the present invention is to provide a base structure and construction method of a cantilever retaining wall to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A base structure of a cantilever retaining wall includes a cushion seat, a retaining wall is arranged above the cushion seat, an assembling component is arranged between the cushion seat and the retaining wall, a connecting and locking part is arranged between the cushion seat and the retaining wall. After the retaining wall is assembled on the cushion seat, the connecting and locking part connects the cushion seat and the retaining wall to realize the assembled installation of the cushion seat and the retaining wall.

[0007] Preferably, the assembling component includes a connecting seat, a lapping groove, a metal cushion plate, a rubber cushion plate, a limiting vertical plate, a side groove, and an assembling seat. The connecting seat is in a "U" - shaped plate structure, the connecting seat is integrally formed on the top surface of the cushion seat, lapping grooves are opened on the top surfaces of the two parallel - distributed side plates of the connecting seat, the metal cushion plate is in a "U" - shaped plate structure, and the metal cushion plate is fixed in the groove body of the connecting seat.

[0008] Preferably, the metal cushion plate is in an "Ω" - shaped plate structure, the top ends of the two side plates of the metal cushion plate respectively extend into two groups of lapping grooves, a rubber cushion plate is fixed on the top surface of the side plate of the metal cushion plate, the rubber cushion plate is clamped between the connecting seat and the assembling seat, and the assembling seat is integrally formed on the bottom surface of the retaining wall.

[0009] Preferably, the side groove is a square groove, the side groove is opened on the surface of the assembling seat, there are two groups of side grooves, and the two groups of side grooves are symmetrically distributed about the assembling seat. The limiting vertical plate extends into the side groove, the bottom surface of the limiting vertical plate is fixed on the surface of the connecting seat, and after the assembling seat is inserted into the connecting seat, the limiting vertical plate limits the translational movement of the assembling seat.

[0010] Preferably, the connection locking member includes a through hole, a metal pipe, a connection ring, a wire sleeve, a screwing handle, a traction rod, a material clamping groove, a connection sleeve, a screw rod, a screwing handle, a rubber sealing plate, finger grooves and a through port. The through hole penetrates through the retaining wall and the assembling seat. The metal pipe is inserted and fixed in the through hole. The connection ring is fixed on the inner ring surface of the metal pipe, and a distance is reserved between the connection ring and the top pipe orifice of the metal pipe. The wire sleeve is fixed on the top surface of the connection ring, and the screwing handle is screwed in the wire sleeve.

[0011] Preferably, the traction rod is fixed on the bottom surface of the screwing handle. A connection sleeve is fixed at the bottom end of the traction rod. The connection sleeve is sleeved and screwed on the top end of the screw rod. The screw rod is fixed on the surface of the metal backing plate, and a plurality of material clamping grooves are formed on the surface of the traction rod. The material clamping grooves are annular grooves.

[0012] Preferably, the screwing handle has a "convex"-shaped circular plate structure. A rubber sealing plate is sleeved and fixed on the bottom plate surface of the screwing handle. The outer ring surface of the finger grooves abuts against the inner wall of the metal pipe, and a plurality of finger grooves are formed on the top surface of the screwing handle.

[0013] Preferably, a plurality of through ports are formed on the surface of the connection ring.

[0014] A construction method for the base of a cantilever retaining wall includes the following steps:

[0015] Insert the assembling seat into the metal backing plate, and the limiting vertical plate limits the assembling seat to prevent the assembling seat from sliding out smoothly from the metal backing plate;

[0016] After passing the traction rod through the metal pipe, screw the screwing handle into the wire sleeve until the connection sleeve is screwed and sleeved on the screw rod to complete the connection between the retaining wall and the connection seat;

[0017] Turn up the rubber sealing plate by hand, pour concrete or other adhesive materials above the connection ring, and the materials fill the inside of the metal pipe through the through ports.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The structure and construction method of the base of the cantilever retaining wall proposed by the present invention prefabricate the cantilever retaining wall into a split base and a retaining wall. After the base and the retaining wall are split, their volumes are small, which is convenient for transportation and hoisting. After the prefabricated base and retaining wall are hoisted to the site and assembled through the assembling components, a connection locking member is added to achieve the rapid fixation of the retaining wall and the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The structure diagram of the present invention;

[0021] Figure 2 The schematic diagram after the partial structure of the present invention is cut open;

[0022] Figure 3 This is a schematic diagram of the connection structure between the pad and the connecting seat of the present invention;

[0023] Figure 4 This is a schematic diagram of the connection structure between the assembly base and the retaining wall of the present invention;

[0024] Figure 5 This is a schematic diagram of the traction rod structure of the present invention.

[0025] In the diagram: 1. Pad; 2. Connecting seat; 3. Overlap groove; 4. Metal pad; 5. Rubber pad; 6. Limiting plate; 7. Side groove; 8. Assembly seat; 9. Retaining wall; 10. Through hole; 11. Metal pipe; 12. Connecting ring; 13. Threaded sleeve; 14. Threaded handle; 15. Traction rod; 16. Material clamping groove; 17. Connecting sleeve; 18. Screw; 19. Tightening handle; 20. Rubber sealing plate; 21. Finger groove; 22. Through hole. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the present invention clear and complete, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of the present invention, and are merely illustrative of the embodiments of the present invention. They are not intended to limit the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Example 1

[0028] Please see Figures 1 to 2 This invention provides a technical solution: a cantilever retaining wall base structure, including a base 1, a retaining wall 9 disposed above the base 1, an assembly assembly between the base 1 and the retaining wall 9, and a connecting locking component between the base 1 and the retaining wall 9. After the retaining wall 9 is assembled on the base 1, the connecting locking component connects the base 1 and the retaining wall 9, realizing the prefabricated installation of the base 1 and the retaining wall 9; the cantilever retaining wall is prefabricated into a split base 1 and a retaining wall 9. The base 1 and the retaining wall 9 are small in size after being separated, which is convenient for transportation and hoisting. After the base 1 and the retaining wall 9 are hoisted to the site, they are assembled by the assembly assembly assembly, and the connecting locking component is added to realize the rapid fixation of the retaining wall 9 and the base 1.

[0029] Example 2

[0030] See attached document Figure 3 and Figure 4, on the basis of the first embodiment, in order to implement that the assembled component includes a connecting seat 2, a lapping groove 3, a metal backing plate 4, a rubber backing plate 5, a limiting vertical plate 6, a side groove 7 and an assembling seat 8, the connecting seat 2 is in a "C" - shaped plate structure, the connecting seat 2 is integrally formed on the top surface of the cushion seat 1, lapping grooves 3 are provided on the top surfaces of the two parallel side plates of the connecting seat 2, the metal backing plate 4 is in a "C" - shaped plate structure, the metal backing plate 4 is fixed in the groove body of the connecting seat 2, the metal backing plate 4 is in an "Ω" - shaped plate structure, the top ends of the two side plates of the metal backing plate 4 respectively extend into two groups of lapping grooves 3, a rubber backing plate 5 is fixed on the top surface of the side plate of the metal backing plate 4, the rubber backing plate 5 is clamped between the connecting seat 2 and the assembling seat 8, the assembling seat 8 is integrally formed on the bottom surface of the retaining wall 9, the side groove 7 is a square groove, the side groove 7 is provided on the surface of the assembling seat 8, there are two groups of side grooves 7, and the two groups of side grooves 7 are symmetrically distributed with respect to the assembling seat 8, the limiting vertical plate 6 extends into the side groove 7, the bottom surface of the limiting vertical plate 6 is fixed on the surface of the connecting seat 2, after the assembling seat 8 is inserted into the connecting seat 2, the limiting vertical plate 6 limits the translation of the assembling seat 8.

[0031] First, after hoisting the cushion seat 1 to the site, fix the cushion seat 1 on the base, and then hoist the retaining wall 9. After the retaining wall 9 falls, the assembling seat 8 is inserted into the metal backing plate 4, and the limiting vertical plate 6 extends into the side groove 7 to realize the offset limit of the retaining wall 9. At this time, the rubber backing plate 5 is clamped between the assembling seat 8 and the connecting seat 2, waiting for the connection and reinforcement of the retaining wall 9 and the cushion seat 1.

[0032] Embodiment Three

[0033] Refer to the appendix Figure 5 , on the basis of the second embodiment, in order to implement fixing the retaining wall 9 and the cushion seat 1 together, the connecting and locking part includes a through - hole 10, a metal pipe 11, a connecting ring 12, a wire sleeve 13, a screwing handle 14, a traction rod 15, a material - clamping groove 16, a connecting sleeve 17, a screw rod 18, a screwing handle 19, a rubber sealing plate 20, a finger groove 21 and a through - port 22. The through - hole 10 penetrates through the retaining wall 9 and the assembling seat 8, the metal pipe 11 is inserted and fixed in the through - hole 10, the connecting ring 12 is fixed on the inner ring surface of the metal pipe 11, and there is a reserved distance between the connecting ring 12 and the top pipe orifice of the metal pipe 11. The wire sleeve 13 is fixed on the top surface of the connecting ring 12, the screwing handle 14 is screwed in the wire sleeve 13, the traction rod 15 is fixed on the bottom surface of the screwing handle 14, a connecting sleeve 17 is fixed at the bottom end of the traction rod 15, the connecting sleeve 17 is sleeved and screwed on the top end of the screw rod 18, the screw rod 18 is fixed on the surface of the metal backing plate 4, and a plurality of material - clamping grooves 16 are provided on the surface of the traction rod 15. The material - clamping grooves 16 are annular grooves. The screwing handle 19 is in a "convex" - shaped circular plate structure, a rubber sealing plate 20 is sleeved and fixed on the bottom surface of the bottom plate of the screwing handle 19, the outer ring surface of the finger groove 21 abuts against the inner wall of the metal pipe 11, a plurality of finger grooves 21 are provided on the top surface of the screwing handle 19, and a plurality of through - ports 22 are provided on the surface of the connecting ring 12.

[0034] The structure at the bottom of the screw shank 14 is inserted into the threaded sleeve 13. The screw shank 14 is screwed into the threaded sleeve 13. As the screw shank 14 is pushed in, the connecting sleeve 17 is fitted and screwed onto the top of the screw rod 18. At this time, the traction rod 15 overlaps the threaded sleeve 13, and the connection and reinforcement of the retaining wall 9 and the pad 1 are completed. Then, the rubber sealing plate 20 is flipped up from the edge of the rubber sealing plate 20, and concrete is poured above the connecting ring 12. The concrete seeps from the opening 22 into the inside of the metal pipe 11. After the concrete solidifies, it fills the gap inside the metal pipe 11, and the connection between the retaining wall 9 and the pad 1 is reinforced.

[0035] Example 4

[0036] A construction method for the base of a cantilever retaining wall includes the following steps:

[0037] The assembly base 8 is inserted into the metal pad 4, and the limiting plate 6 limits the assembly base 8 to prevent the assembly base 8 from being smoothly drawn out of the metal pad 4.

[0038] After passing the traction rod 15 through the metal pipe 11, screw the screw handle 14 into the threaded sleeve 13 until the connecting sleeve 17 is screwed onto the screw rod 18, thus completing the connection between the retaining wall 9 and the connecting seat 2.

[0039] The rubber sealing plate 20 is flipped up by hand, and concrete or other adhesive materials are poured above the connecting ring 12. The material is filled into the metal pipe 11 through the opening 22.

[0040] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cantilever retaining wall base structure, comprising a pad (1), wherein a retaining wall (9) is disposed above the pad (1), characterized in that: An assembly component is provided between the cushion base (1) and the retaining wall (9), and a connection locking member is provided between the cushion base (1) and the retaining wall (9). After the retaining wall (9) is assembled on the cushion base (1), the connection locking member connects the cushion base (1) and the retaining wall (9) to achieve the assembled installation of the cushion base (1) and the retaining wall (9). The assembly component includes a connection seat (2), a lapping groove (3), a metal cushion plate (4), a rubber cushion plate (5), a limiting vertical plate (6), a side groove (7) and an assembly seat (8). The connection seat (2) is in a "U"-shaped plate structure and is integrally formed on the top surface of the cushion base (1). Lapping grooves (3) are provided on the top surfaces of the two parallel side plates of the connection seat (2). The metal cushion plate (4) is in a "U"-shaped plate structure and is fixed in the groove body of the connection seat (2). The metal cushion plate (4) is in an "Ω"-shaped plate structure. The tops of the two side plates of the metal cushion plate (4) respectively extend into two groups of lapping grooves (3). A rubber cushion plate (5) is fixed on the top surface of the side plate of the metal cushion plate (4). The rubber cushion plate (5) is clamped between the connection seat (2) and the assembly seat (8). The assembly seat (8) is integrally formed on the bottom surface of the retaining wall (9). The side groove (7) is in a square groove shape and is provided on the surface of the assembly seat (8). There are two groups of side grooves (7), and the two groups of side grooves (7) are symmetrically distributed with respect to the assembly seat (8). The limiting vertical plate (6) extends into the side groove (7), and the bottom surface of the limiting vertical plate (6) is fixed on the surface of the connection seat (2). After the assembly seat (8) is inserted into the connection seat (2), the limiting vertical plate (6) limits the translation of the assembly seat (8). The connection locking member includes a through hole (10), a metal pipe (11), a connection ring (12), a wire sleeve (13), a screwing handle (14), a traction rod (15), a material clamping groove (16), a connection sleeve (17), a screw rod (18), a screwing handle (19), a rubber sealing plate (20), a finger groove (21) and a through port (22). The through hole (10) penetrates through the retaining wall (9) and the assembly seat (8). The metal pipe (11) is inserted and fixed in the through hole (10). The connection ring (12) is fixed on the inner ring surface of the metal pipe (11), and there is a reserved distance between the connection ring (12) and the top pipe orifice of the metal pipe (11). The wire sleeve (13) is fixed on the top surface of the connection ring (12), and the screwing handle (14) is screwed in the wire sleeve (13). The traction rod (15) is fixed on the bottom surface of the screwing handle (14). A connection sleeve (17) is fixed at the bottom end of the traction rod (15). The connection sleeve (17) is sleeved and screwed on the top end of the screw rod (18). The screw rod (18) is fixed on the surface of the metal cushion plate (4), and a plurality of material clamping grooves (16) are provided on the surface of the traction rod (15). The material clamping grooves (16) are in an annular groove shape. The screwing handle (19) is in a "convex"-shaped circular plate structure. A rubber sealing plate (20) is sleeved and fixed on the bottom surface of the bottom plate of the screwing handle (19). The outer ring surface of the finger groove (21) abuts against the inner wall of the metal pipe (11), and a plurality of finger grooves (21) are provided on the top surface of the screwing handle (19). A plurality of through ports (22) are provided on the surface of the connection ring (12).

2. The construction method of a cantilever retaining wall base structure as described in claim 1, characterized in that: The construction method includes the following steps: The assembly base is inserted into the metal pad, and the limiting plate limits the assembly base to prevent the assembly base from smoothly sliding out of the metal pad. After passing the traction rod through the metal pipe, screw the bolt handle into the threaded sleeve until the connecting sleeve is screwed onto the bolt, thus completing the connection between the retaining wall and the connecting seat. The rubber sealing plate is flipped up by hand, and concrete or other adhesive material is poured on top of the connecting ring. The material fills the inside of the metal pipe through the opening.

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