Construction device for secant pile diaphragm wall

The construction device, consisting of guide rails, connecting beams, and positioning components, solves the problems of difficult verticality control and high cost in traditional interlocking pile construction, achieving efficient construction and cost savings for interlocking pile seepage prevention walls.

CN223660816UActive Publication Date: 2025-12-12SINOHYDRO BUREAU 6 CO LTD
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Patent Information

Application Number
CN202423295419.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-12
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional interlocking pile construction methods have problems such as difficulty in controlling verticality, long construction period, and high cost, and are not very effective, especially in areas with high groundwater levels or projects with strict seepage prevention requirements.

Method used

The construction device consists of guide rails, connecting beams, positioning components, and casings. The verticality and staggered arrangement of piles A and B are ensured through the guiding and positioning structure. The interlocking pile seepage prevention wall is formed by the steel cage structure and side protection plates, which improves construction efficiency and reduces costs.

Benefits of technology

It achieves verticality control and improves construction efficiency of interlocking pile anti-seepage walls, reduces construction costs, and is suitable for foundation pit support under complex geological conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a construction device of a secant pile diaphragm wall, which belongs to the technical field of secant pile construction, and comprises a guide rail, a coupling beam, a plurality of positioning pieces, a protective cylinder and a side protective plate, and the plurality of positioning pieces are fixedly arranged on the inner side of the guide rail at equal intervals through mounting screws. By designing the structure composed of the guide rails, the connecting beams and the positioning pieces, the pile casing can be guided, it is guaranteed that the pile casing can be stably and vertically driven into a foundation pile hole, an A foundation pile is poured in the pile casing, it can be guaranteed that the A foundation pile has good perpendicularity, the positioning pieces are adopted for positioning the side face protection plates, pouring of a B foundation pile can be completed more quickly, and the construction efficiency is improved. By means of the construction device for forming the diaphragm wall through the secant piles, the construction perpendicularity can be improved, the construction efficiency can be improved, the construction device can be repeatedly used, and the construction cost can be saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the construction technology field of interlock pile, specifically to a construction device of interlock pile cut-off wall. BACKGROUND

[0002] In modern construction engineering, foundation treatment and foundation pit support are the key links to ensure the safety and stability of buildings. Traditional foundation treatment methods, such as underground continuous wall and mixing pile, have achieved certain results under certain conditions, but they often have deficiencies when facing complex geological conditions, especially in high groundwater areas or projects requiring strict anti-seepage requirements. Interlock pile is a group of foundation piles constructed by interlocking A piles and B piles, and A piles and B piles form an interlocking structure to achieve good anti-seepage effect, and A piles and B piles interlock with each other to jointly bear lateral pressure. However, the traditional interlock pile construction method usually has the problems of difficulty in controlling verticality, long construction period and high cost. Therefore, the utility model provides a construction device of interlock pile cut-off wall. SUMMARY

[0003] In order to solve the problems of difficulty in controlling verticality, long construction period and high cost in the construction process of traditional interlock pile, the utility model provides a construction device of interlock pile cut-off wall.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A construction device of interlock pile cut-off wall, comprising:

[0006] Guide rails, two groups of guide rails are arranged in parallel, and an installation area is formed between the two groups of guide rails;

[0007] Connecting beams, two groups of connecting beams are arranged, and the two groups of connecting beams are fixedly installed at both ends of the guide rails, respectively;

[0008] Positioning members, a plurality of positioning members are fixedly installed on the inner side of the guide rails by installation screws at equal intervals;

[0009] The installation area forms an interlocking arrangement of A pile construction part and B pile construction part, and the A pile construction part and the B pile construction part form an interlocking area;

[0010] The A pile construction part is provided with a casing, and the B pile construction part is provided with two groups of symmetrical side protection plates.

[0011] As a further description of the above technical scheme:

[0012] The inside of the casing is provided with a first main reinforcement arranged in a ring shape, and the first main reinforcement is provided with a stirrup.

[0013] As a further description of the above technical scheme:

[0014] The interior of the side guard plate is provided with linearly distributed second main bars, and cross bars are installed on the second main bars.

[0015] As a further description of the above technical solution:

[0016] The connecting beam is provided with a reinforcing support at the connecting position with the guide rail.

[0017] As a further description of the above technical solution:

[0018] The guide rail is provided with two rows of upper and lower guide rails.

[0019] As a further description of the above technical solution:

[0020] The side surface of the guide rail is provided with a plurality of equidistantly distributed through holes, the positioning member is a hollow triangular structure, the side surface of the positioning member is provided with a threaded hole, the mounting screw penetrates through the through hole, and the mounting screw is screwed with the threaded hole.

[0021] As a further description of the above technical solution:

[0022] The side guard plate comprises: an arc-shaped part, two ends of the arc-shaped part are respectively fixedly connected with a first arc-shaped page and a second arc-shaped page, an outer side of the first arc-shaped page and an outer side of the arc-shaped part form a first triangular area, and an outer side of the second arc-shaped page and the outer side of the arc-shaped part form a second triangular area.

[0023] The utility model discloses the beneficial effects: the utility model, through design guide rail, connecting beam, positioning member constitute the structure, it can guide to the casing, guarantee casing can be vertically and stably and hit into the base pile hole, and the pouring A base pile in the casing, can guarantee that A base pile has better perpendicularity, and adopt the positioning member and position the side guard plate, can more quickly complete the pouring of B base pile, use the construction device of the interlocking pile anti -seepage wall of the utility model, can improve the perpendicularity of construction, and can improve construction efficiency, and the construction device can be repeatedly used, can save construction cost. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly show a construction device of an interlocking pile anti -seepage wall, the following drawings are shown:

[0025] Fig. 1 It is the three -dimensional schematic view of the utility model A pile construction process time;

[0026] Fig. 2 It is the three -dimensional schematic view of the utility model B pile construction process time;

[0027] Fig. 3 It is the installation schematic view of the positioning member of the utility model.

[0028] Wherein the reference signs in the drawings;

[0029] 1, guide rail; 2, mounting screw; 2a, through hole; 3, positioning piece; 3a, threaded hole; 4, connecting beam; 5, reinforcing support; 6, casing; 7, first main reinforcement; 8, stirrup; 9, side protection plate; 901, arc-shaped part; 902, first arc-shaped page; 903, second arc-shaped page; 10, second main reinforcement; 11, cross reinforcement. DETAILED DESCRIPTION

[0030] Please refer to the accompanying Figs. 1-3 , shows a kind of construction device of anti-seepage wall of interlocking pile provided in the embodiment of the application, comprising: guide rail 1, connecting beam 4, positioning piece 3, casing 6 and side protection plate 9.

[0031] Two groups of guide rails 1 are arranged in parallel, installation area is formed between the two groups of guide rails 1, A pile and B pile are both formed by pouring in the inner side of installation area, the length direction of guide rail 1 is the extension direction of interlocking pile into anti-seepage wall, it can be straight line or other design requirements curve, two groups of connecting beams 4 are arranged, two groups of connecting beams 4 are respectively fixedly installed at the two ends of guide rail 1, two groups of connecting beams 4 and two groups of guide rails 1 form a closed area, multiple positioning pieces 3 are arranged, multiple positioning pieces 3 are fixedly installed on the inner side of guide rail 1 by mounting screw 2, an A pile construction area or a B pile construction area is defined between adjacent two positioning pieces 3, A pile construction part and B pile construction part are formed by forming staggered arrangement in installation area, A pile construction part and B pile construction part form interlocking area, casing 6 is arranged in A pile construction part, two groups of symmetrical side protection plates 9 are arranged in B pile construction part.

[0032] During construction, the shape in the length direction of guide rail 1 is adjusted according to design requirements, then connecting beam 4 is fixedly installed with ground or other construction wall, two groups of guide rails 1 are fixedly installed between two groups of connecting beams 4, after the above installation is completed, A pile foundation pile hole and B pile foundation pile hole are drilled in installation area using drilling machine, and then concrete pouring process is carried out.

[0033] In concrete pouring process, casing 6 is driven into A pile foundation pile hole, casing 6 can avoid hole collapse during pouring process and can avoid affecting B pile foundation pile hole, since positioning piece 3 is designed, the verticality of casing 6 driving process can be guaranteed, A pile is poured in casing 6, after A pile construction is completed, casing 6 is disassembled, side protection plate 9 is installed by relying on the restriction of A pile and the restriction of positioning piece 3, B pile is poured in the inner side of side protection plate 9, and finally the construction device can be disassembled to complete the construction.

[0034] In one embodiment, the casing 6 is provided with a ring-shaped first main reinforcement 7 inside, and stirrups 8 are installed on the first main reinforcement 7. The first main reinforcement 7 and the stirrups 8 form a steel cage structure, and the steel cage structure and the poured concrete form an A-base pile.

[0035] In one embodiment, the side panel 9 is provided with linearly distributed second main reinforcement bars 10, and transverse reinforcement bars 11 are installed on the second main reinforcement bars 10. The second main reinforcement bars 10 and the transverse reinforcement bars 11 form a surface-shaped steel reinforcement skeleton structure. The steel reinforcement skeleton structure and the poured concrete form a B-type foundation pile.

[0036] In one embodiment, a reinforcing support 5 is installed at the connection between the connecting beam 4 and the guide rail 1. The reinforcing support 5 is used to increase the stability of the connection between the connecting beam 4 and the guide rail 1, and the reinforcing support 5 guides the outermost protective sleeve 6.

[0037] In one embodiment, the guide rail 1 is provided with two rows on the upper and lower sides, which provides higher accuracy in controlling the verticality of the A-pillar and B-pillar construction.

[0038] In one embodiment, the guide rail 1 has multiple equidistant through holes 2a on its side. The positioning member 3 is a hollow triangular structure. The positioning member 3 has a threaded hole 3a on its side. The mounting screw 2 passes through the through hole 2a and is threadedly engaged with the threaded hole 3a. The positioning member 3 can be replaced. If the positioning member 3 is deformed due to collision during construction, a new positioning member 3 can be quickly replaced.

[0039] In one embodiment, the side panel 9 includes an arc-shaped portion 901, with a first arc-shaped page 902 and a second arc-shaped page 903 fixedly connected to both ends of the arc-shaped portion 901, the outer side of the first arc-shaped page 902 and the outer side of the arc-shaped portion 901 forming a first triangular region, and the outer side of the second arc-shaped page 903 and the outer side of the arc-shaped portion 901 forming a second triangular region.

[0040] The first and second triangular areas work in conjunction with the positioning elements 3 on both sides to stably limit the position of the side guard plate 9 and ensure the installation position accuracy of the side guard plate 9.

[0041] Other embodiments of this utility model will readily occur to those skilled in the art upon consideration of the specification and practice of this disclosure. This application is intended to cover any variations, uses, or adaptations of this utility model that follow the general principles of this utility model and include common knowledge or customary techniques in the art not disclosed herein. The specification and embodiments are to be considered exemplary only, and the true scope and spirit of this utility model are indicated by the following claims.

[0042] It should be understood that relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. This invention is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this invention is limited only by the appended claims.

Claims

1. A construction device for interlocking pile seepage prevention walls, characterized in that, include: Guide rail (1), two sets of guide rail (1) are arranged in parallel, and an installation area is formed between the two sets of guide rail (1); Connecting beam (4), the connecting beam (4) is provided in two sets, and the two sets of connecting beam (4) are respectively fixedly installed at both ends of the guide rail (1); Positioning element (3), multiple positioning elements (3) are provided, and multiple positioning elements (3) are fixedly installed on the inner side of the guide rail (1) at equal intervals by mounting screws (2); Within the installation area, A-pile construction sections and B-pile construction sections are arranged in an alternating manner, and the A-pile construction sections and B-pile construction sections form an interlocking area; The A pile construction section is equipped with a casing (6), and the B pile construction section is equipped with two sets of symmetrical side guards (9).

2. The construction device for an interlocking pile seepage prevention wall according to claim 1, characterized in that: The casing (6) is provided with a first main bar (7) arranged in a ring, and a stirrup (8) is installed on the first main bar (7).

3. The construction device for an interlocking pile seepage prevention wall according to claim 1, characterized in that: The side guard plate (9) is provided with a linearly distributed second main bar (10), and a transverse bar (11) is installed on the second main bar (10).

4. The construction device for an interlocking pile seepage prevention wall according to claim 1, characterized in that: A reinforcing support (5) is installed at the connection between the connecting beam (4) and the guide rail (1).

5. The construction device for an interlocking pile seepage prevention wall according to claim 1, characterized in that: The guide rail (1) has two rows on the top and bottom.

6. The construction device for an interlocking pile seepage prevention wall according to claim 1, characterized in that: The guide rail (1) has multiple equally spaced through holes (2a) on its side. The positioning member (3) is a hollow triangular structure. The positioning member (3) has a threaded hole (3a) on its side. The mounting screw (2) passes through the through hole (2a) and is threaded into the threaded hole (3a).

7. The construction device for an interlocking pile seepage prevention wall according to claim 1, characterized in that, The side panel (9) includes an arc-shaped portion (901), with a first arc-shaped page (902) and a second arc-shaped page (903) fixedly connected to both ends of the arc-shaped portion (901). The outer side of the first arc-shaped page (902) and the outer side of the arc-shaped portion (901) form a first triangular region, and the outer side of the second arc-shaped page (903) and the outer side of the arc-shaped portion (901) form a second triangular region.