Outer wall supported and protected by diaphragm wall for basement

By using a supporting and protective structure composed of a foundation pit bottom frame and sealing steel plates in the basement exterior wall structure, the problem of quantitative trench depth during construction was solved, achieving efficient basement exterior wall construction and enhanced waterproofing performance.

CN223577168UActive Publication Date: 2025-11-21GUANGZHOU HUAJING PARK GREEN CONSTR ENG CO LTD
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Patent Information

Application Number
CN202423069493.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-21
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing basement exterior wall structure requires precise measurement of trench location and depth during construction, resulting in low construction efficiency.

Method used

The external wall support and protection structure consists of a foundation pit bottom frame, sealing steel plate, end corner sealing seat, positioning end seat and steel bar connecting rod, etc. The continuous wall skeleton is pre-embedded and inserted, and combined with sewn polyester cloth to enhance waterproof performance, forming a sealed concrete wall.

Benefits of technology

Eliminating the need for precise trench location and depth measurements improves construction efficiency and enhances the waterproofing of basement exterior walls.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223577168U_ABST
Patent Text Reader

Abstract

The utility model discloses an outer wall supported and protected by a diaphragm wall for a basement, which relates to the technical field of underground diaphragm walls and comprises a foundation pit bottom frame, end corner sealing seats are arranged above the foundation pit bottom frame, and sealing steel plates are arranged among the four end corner sealing seats. Four positioning end seats are arranged on the inner sides of the four end angle sealing seats; the reinforcing steel bar connecting rods are arranged between the sealing steel plates and the end corner sealing seats and between the sealing steel plates and the positioning end seats, and a concrete continuous wall is arranged at the gap position of every two adjacent reinforcing steel bar connecting rods in the transverse direction; the problems that according to an existing basement outer wall structure, a waterproof layer mechanism is adopted for preventing water seepage at the gap position of a continuous wall body, the construction grooving position of the continuous wall needs to be quantified in the construction process, the grooving depth needs to be determined, time and labor are wasted, and the construction cost is high are solved. And the construction efficiency is influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to underground continuous wall technical field, concretely is a continuous wall support protection's outer wall for basement. BACKGROUND

[0002] Underground continuous wall is foundation engineering on ground uses a kind of grooving machine, along the axis of deep excavation engineering, under mud protection wall condition, a long and narrow deep groove is excavated, after cleaning groove, steel reinforcement cage is hoisted in groove, then it is built with guide pipe method to pour concrete under water to form a unit groove section, so it is performed section by section, and a continuous reinforced concrete wall is built underground, as water interception, anti-seepage, load-bearing, water retaining structure.

[0003] For example, the announcement number is: CN203222815U (named a kind of composite basement structure outer wall structure formed by utilizing underground continuous wall), adopt underground continuous wall and reinforced concrete or reinforced concrete plus steel pipe horizontal support as construction stage foundation pit temporary enclosure structure;Between underground continuous wall and basement outer wall, a certain space is left, waterproof layer, drain pipe, insulation layer are sequentially arranged in the space along underground continuous wall to basement outer wall, the drain pipe drains the water on the inside of underground continuous wall to the bottom plate of basement, the basement outer wall has no crack, no place seepage, has not been blocked once, avoids a large number of leakage troubles, saves cost, since the basement outer wall has no seepage, avoids a costly basement outer wall seepage blocking cost;Since the basement outer wall ring beam and floor are supported on underground continuous wall, the horizontal water and soil pressure transmitted by underground continuous wall is borne, so that the basement outer wall does not directly bear water and soil pressure, compared with the foundation pit enclosure structure separated from two walls and independently arranged, process is reduced, construction period is shortened, although insulation layer is pasted on continuous wall surface, new oil felt is laid and waterproof layer is constructed on process, basement outer wall formwork is installed and removed, stratified backfilling is reduced, half-brick lining wall and drainage open ditch are constructed, and long-term repeated leakage blocking is avoided.

[0004] The above-mentioned basement outer wall structure prevents water seepage at the gap position of the continuous wall body by adopting a waterproof layer mechanism, but the construction slot position of the continuous wall needs to be determined during construction, and the depth of the construction slot also needs to be determined, which is time-consuming and labor-intensive, and affects the construction efficiency. Utility model content

[0005] The utility model aims at providing a continuous wall support protection's outer wall for basement, to solve the problem that the existing basement outer wall structure prevents water seepage at the gap position of the continuous wall body by adopting a waterproof layer mechanism, but the construction slot position of the continuous wall needs to be determined during construction, and the depth of the construction slot also needs to be determined, which is time-consuming and labor-intensive, and affects the construction efficiency.

[0006] To achieve the above object, the utility model provides following technical scheme: a basement is with continuous wall support protection's outer wall, including foundation pit bottom frame, the top of foundation pit bottom frame is provided with end corner sealing seat, four end corner sealing seat is provided with sealing steel sheet between, four end corner sealing seat's inside position is provided with four positioning end seat;

[0007] Still include:

[0008] Steel connecting rod, it is set up in the position between sealing steel sheet and end corner sealing seat and the position between sealing steel sheet and positioning end seat, and the clearance position of transverse adjacent two steel connecting rods is provided with concrete continuous wall;

[0009] Center seat plate, it is set up in the position between four sealing steel sheets, four sealing steel sheets are about center seat plate symmetrical distribution, and the bottom of center seat plate and sealing steel sheet is provided with erecting connecting rod, and the both ends of erecting connecting rod are welded with center seat plate and sealing steel sheet respectively.

[0010] Preferably, the bottom of the positioning end seat is welded with a first extension bottom block, and the bottom of the end corner sealing seat is welded with a second extension bottom block, the first extension bottom block and the second extension bottom block are located on the same horizontal plane.

[0011] Preferably, a bottom block connecting rod is arranged between the first extension bottom block and the second extension bottom block, and the both ends of the bottom block connecting rod are welded with the first extension bottom block and the second extension bottom block respectively.

[0012] Preferably, a load-bearing wall groove is arranged on the outer wall of each of the four sealing steel plates, a stitched polyester cloth is arranged in the load-bearing wall groove, and the stitched polyester cloth abuts against the clearance of the two concrete continuous walls.

[0013] Preferably, the both ends of the outer steel connecting rod are welded with the sealing steel plate and the end corner sealing seat respectively, and the both ends of the inner steel connecting rod are welded with the sealing steel plate and the positioning end seat respectively.

[0014] Preferably, two welded connecting blocks are arranged between the foundation pit bottom frame and the end corner sealing seat, and the foundation pit bottom frame is welded and fixedly connected with the end corner sealing seat through the welded connecting blocks.

[0015] Preferably, twenty-eight outer steel connecting rods and fifty-six inner steel connecting rods are arranged, and the spacing between adjacent two steel connecting rods is equal.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. The utility model discloses a continuous wall serves as the outer wall structure of basement, first embeds and installs the foundation pit bottom frame to the building foundation pit, then inserts the skeleton structure of continuous wall to the clearance position of steel connecting rod, makes every basement outer wall be composed of two concrete continuous walls, and the skeleton structure end of continuous wall abuts to the end corner sealing seat and the positioning end seat, does not need to measure the groove depth and quantitative groove position, overcomes the existing basement outer wall structure through adopting waterproof layer mechanism to prevent the clearance position of continuous wall wall body from seepage, but needs to determine the construction groove position of continuous wall and the depth of groove when construction, and it is time -consuming and labor -intensive, causes the problem of influence construction efficiency.

[0018] 2, the foundation pit bottom frame, the sealing steel sheet, the end corner sealing seat, the positioning end seat and the steel connecting rod, the center seat plate and the erecting connecting rod form the outer wall support protection structure, then the skeleton structure of continuous wall and the outer wall support protection structure are poured with concrete, and the basement structure is obtained, the clearance position of concrete continuous wall is sealed by the sealing steel sheet, the end corner sealing seat and the positioning end seat, the sealing steel sheet enhances waterproof performance through the seam weaving polyester cloth, and the waterproof effect of basement outer wall is enhanced. ACCURACY

[0019] Figure 1 It is the front view of the outer wall structure of the basement continuous wall support protection of the utility model,

[0020] Figure 2 It is the bottom view of the outer wall structure of the basement continuous wall support protection of the utility model,

[0021] Figure 3 It is the top view of the outer wall structure of the basement continuous wall support protection of the utility model,

[0022] Figure 4 It is the enlarged schematic view of part A structure of the utility model,

[0023] In the drawing: 1, concrete continuous wall, 2, foundation pit bottom frame, 3, sealing steel sheet, 4, end corner sealing seat, 5, positioning end seat, 6, steel connecting rod, 7, center seat plate, 8, erecting connecting rod, 9, bearing wall groove, 10, seam weaving polyester cloth, 11, welding connecting block, 12, first extension bottom block, 13, second extension bottom block, 14, bottom block connecting rod. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Please refer to Figures 1-4The utility model provides an embodiment: a basement is with continuous wall support protection's outer wall, including foundation pit bottom frame 2, the top of foundation pit bottom frame 2 is provided with end angle sealing seat 4, four end angle sealing seat 4 between being provided with sealing steel sheet 3, four end angle sealing seat 4's inside position is provided with four positioning end seat 5,

[0026] Further comprising:

[0027] Steel bar connecting rod 6 is set up in the position between sealing steel sheet 3 and end angle sealing seat 4 and the position between sealing steel sheet 3 and positioning end seat 5, and the clearance position of transverse adjacent two steel bar connecting rods 6 is provided with concrete continuous wall 1;

[0028] Center seat plate 7 is set up in the position between four sealing steel sheets 3, four sealing steel sheets 3 are symmetrically distributed about center seat plate 7, and center seat plate 7 and the bottom end of sealing steel sheet 3 are provided with erecting connecting rod 8, and both ends of erecting connecting rod 8 are welded with center seat plate 7 and sealing steel sheet 3 respectively.

[0029] When using, the foundation pit bottom frame is preburied and installed into the building foundation pit, then the skeleton structure of continuous wall is inserted and installed into the clearance position of steel bar connecting rod, so that each basement outer wall is composed of two concrete continuous walls, and the end head part of the skeleton structure of continuous wall abuts to end angle sealing seat and positioning end seat.

[0030] Please refer to Figure 4 The bottom of positioning end seat 5 is welded with first extension bottom block 12, the bottom of end angle sealing seat 4 is welded with second extension bottom block 13, first extension bottom block 12 and second extension bottom block 13 are located on the same horizontal plane, and first extension bottom block 12 welded on the bottom of positioning end seat 5 and second extension bottom block 13 welded on the bottom of end angle sealing seat 4 play the role of auxiliary extension connection.

[0031] Please refer to Figure 4 Bottom block connecting rod 14 is arranged between first extension bottom block 12 and second extension bottom block 13, both ends of bottom block connecting rod 14 are welded with first extension bottom block 12 and second extension bottom block 13 respectively, and bottom block connecting rod 14 arranged between first extension bottom block 12 and second extension bottom block 13 plays the role of connecting first extension bottom block 12 and second extension bottom block 13.

[0032] Please refer to Figure 3 The outer wall of four sealing steel sheets 3 is provided with bearing wall groove 9, and the inside of bearing wall groove 9 is provided with stitched polyester cloth 10, the clearance of stitched polyester cloth 10 and two concrete continuous walls 1 abuts each other, and bearing wall groove 9 arranged on the outer wall of four sealing steel sheets 3 plays the role of bearing stitched polyester cloth 10 for sealing and waterproofing.

[0033] Please refer to Figure 1The two ends of the outer steel connecting rod 6 are respectively welded and connected with the sealing steel plate 3 and the end corner sealing seat 4, and the two ends of the inner steel connecting rod 6 are respectively welded and connected with the sealing steel plate 3 and the positioning end seat 5.

[0034] Please refer to Figure 4 Two welding connecting blocks 11 are arranged between the foundation pit bottom frame 2 and the end corner sealing seat 4, the foundation pit bottom frame 2 is welded and fixedly connected with the end corner sealing seat 4 through the welding connecting blocks 11, and the two welding connecting blocks 11 arranged between the foundation pit bottom frame 2 and the end corner sealing seat 4 play a role of assisting the connection of the foundation pit bottom frame 2 and the end corner sealing seat 4.

[0035] Please refer to Figure 1 There are twenty-eight outer steel connecting rods 6 and fifty-six inner steel connecting rods 6, and the spacing between adjacent two steel connecting rods 6 is equal.

[0036] Working principle: the continuous wall is used as the outer wall structure of the basement, the foundation pit bottom frame 2 is pre-buried and installed into the building foundation pit, then the skeleton structure of the continuous wall is inserted and installed into the gap position of the steel connecting rod 6, so that each basement outer wall is composed of two concrete continuous walls 1, the end part of the skeleton structure of the continuous wall abuts to the end corner sealing seat 4 and the positioning end seat 5, without the need of quantitatively digging the groove position and measuring the groove depth, the foundation pit bottom frame 2, the sealing steel plate 3, the end corner sealing seat 4, the positioning end seat 5 and the steel connecting rod 6, the center seat plate 7 and the erected connecting rod 8 form the outer wall supporting protection structure, then the skeleton structure of the continuous wall and the outer wall supporting protection structure are poured with concrete to form the concrete wall structure, the basement structure is obtained, the gap position of the concrete continuous wall 1 is sealed by the sealing steel plate 3, the end corner sealing seat 4 and the positioning end seat 5, the sealing steel plate 3 enhances the waterproof performance through the woven polyester cloth 10, the waterproof effect of the basement outer wall is enhanced, and the construction work of the continuous wall supporting protection outer wall of the basement is completed.

[0037] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No limitation is intended to the claim elements merely by reason of their inclusion in a specific combination.

Claims

1. An outer wall for basement support and protection using continuous wall, comprising a pit bottom frame (2), an end corner sealing seat (4) is provided above the pit bottom frame (2), a sealing steel plate (3) is provided between the four end corner sealing seats (4), and four positioning end seats (5) are provided on the inner side of the four end corner sealing seats (4). Its features are: Also includes: The reinforcing bar (6) is set at the position between the sealing steel plate (3) and the end corner sealing seat (4) and at the position between the sealing steel plate (3) and the positioning end seat (5), and a concrete continuous wall (1) is set at the gap position between two adjacent reinforcing bar (6) in the lateral direction. A central seat plate (7) is positioned between the four sealing steel plates (3). The four sealing steel plates (3) are symmetrically distributed about the central seat plate (7). A mounting rod (8) is provided at the bottom of the central seat plate (7) and the sealing steel plates (3). The two ends of the mounting rod (8) are welded to the central seat plate (7) and the sealing steel plates (3) respectively.

2. The external wall for basement support and protection according to claim 1, characterized in that: The bottom of the positioning end seat (5) is welded with a first extension bottom block (12), and the bottom of the end corner sealing seat (4) is welded with a second extension bottom block (13). The first extension bottom block (12) and the second extension bottom block (13) are located on the same horizontal plane.

3. The external wall for basement support and protection according to claim 2, characterized in that: A base block connecting rod (14) is provided between the first extended base block (12) and the second extended base block (13), and the two ends of the base block connecting rod (14) are welded to the first extended base block (12) and the second extended base block (13) respectively.

4. The external wall for basement support and protection according to claim 1, characterized in that: Each of the four sealing steel plates (3) has a bearing wall groove (9) on its outer wall. The bearing wall groove (9) is filled with a sewn polyester cloth (10), and the sewn polyester cloth (10) abuts against the gap between the two concrete continuous walls (1).

5. The external wall for basement support and protection according to claim 1, characterized in that: The two ends of the outer steel bar connecting rod (6) are welded to the sealing steel plate (3) and the end corner sealing seat (4) respectively, and the two ends of the inner steel bar connecting rod (6) are welded to the sealing steel plate (3) and the positioning end seat (5) respectively.

6. The external wall for basement support and protection according to claim 1, characterized in that: Two welding blocks (11) are provided between the foundation pit bottom frame (2) and the end corner sealing seat (4). The foundation pit bottom frame (2) is fixedly connected to the end corner sealing seat (4) by welding the welding blocks (11).

7. The external wall for basement support and protection according to claim 5, characterized in that: There are twenty-eight steel bar connecting rods (6) on the outer side and fifty-six steel bar connecting rods (6) on the inner side, and the spacing between two adjacent steel bar connecting rods (6) is equal.

Citation Information

Patent Citations

  • Composite basement-structure exterior wall construction formed by utilizing underground diaphragm wall

    CN203222815U