Steel plate support pile
By designing a combined steel sheet pile with interlocking male and female pile bodies, the problems of insufficient bending stiffness and construction difficulties of existing steel sheet piles are solved, achieving efficient and economical support.
Patent Information
- Application Number
- CN202520197600.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-08
AI Technical Summary
Existing Larssen sheet piles have low bending stiffness and weak bending capacity, resulting in large deformation after excavation. Steel pipe piles are not economical, and their close arrangement makes overlapping impossible and construction difficult. They also lack seepage prevention capabilities.
Design a steel sheet support pile, which adopts male and female pile bodies, and forms a composite pile body by interlocking. Keys or keyways are set to enhance bending stiffness, and it is produced by cold bending or hot rolling process to achieve interlocking connection between piles.
It improves the bending stiffness and construction quality of steel sheet support piles, simplifies the splicing process, provides seepage prevention capabilities, and reduces project costs and construction period.
Smart Images
Figure CN223951788U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the slope or foundation pit support pile of water conservancy, municipal administration and house build etc. BACKGROUND
[0002] At present, the retaining type foundation pit support structure usually adopts the cast-in-place pile, underground continuous wall, SMW method pile or prefabricated pile, Larsen steel sheet pile, steel pipe pile as the retaining component. The cast-in-place pile, underground continuous wall and SMW method pile need to make the steel reinforcement cage, pour the concrete or mix the pile on site, and often have the problems of difficult construction quality control, long construction period, environmental pollution and the like; the Larsen steel sheet pile and steel pipe pile are easy to control the construction quality, have high reuse rate, are convenient to construct, have short construction period and are green and environmental protection. Therefore, the Larsen steel sheet pile and steel pipe pile have great advantages in the occasions with high requirements on the construction period and environmental protection. The Larsen steel sheet pile is usually U-shaped, has the problems of small bending stiffness, weak bending resistance and large deformation after excavation, and the bending stiffness of the steel pipe pile is relatively large, but has the problems of poor economy, unable to be overlapped in the dense arrangement, easy to leak soil, no anti-seepage capacity and difficult to align during construction. SUMMARY
[0003] In order to solve the above problems of the Larsen steel sheet pile and steel pipe pile, the utility model provides a steel sheet support pile with large bending stiffness, good economy, convenient alignment and overlapping, certain anti-seepage capacity and the ability to significantly improve the appearance construction quality of the support structure, which can be widely applied to the engineering fields of water conservancy, municipal administration and house building.
[0004] The utility model adopts the technical scheme that:
[0005] A steel sheet support pile, comprising a pile body, the pile body is a strip-shaped steel sheet structure, including female pile body and male pile body two types, the cross-sectional shape of the female pile body and the male pile body is overall in the form of a groove; the female pile body and the male pile body are each provided with a lock port at the end of the two lateral sides; the vertical middle part of the male pile body is provided with a key, and the vertical middle part of the female pile body is provided with a key groove.
[0006] Further, the cross-sectional shape of the key or key groove is U-shaped or V-shaped.
[0007] Further, the female pile body is interlocked with the adjacent male pile body through the lock port, and a closed combined pile body is formed.
[0008] Further, the two sides of the combined pile body are interlocked with the key groove of the female pile body or the key of the male pile body on the two sides of the adjacent combined pile body through the key of the male pile body or the key groove of the female pile body.
[0009] Further, the pile body is produced by cold bending or hot rolling process.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] The utility model discloses a pile and the interlocking mode of the lock of pile between piles, constructs the combined pile body, improves the bending stiffness of pile, makes the pile more suitable horizontal stress characteristic requirement of supporting pile, through the optimization steel sheet pile body cross -section shape, sets up the key or the keyway, makes the combined pile body between each other can be overlapped, and its bending stiffness is big, and the alignment is overlapped conveniently, possesses certain anti -permeability, can improve the application scope of steel sheet supporting pile, and the construction is convenient, improves construction quality, saves the construction period, and reduces the project cost. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is the pile body cross -section structure schematic drawing of the utility model embodiment 1;
[0013] Fig. 2 It is the combined pile body cross -section structure schematic drawing of the utility model embodiment 1;
[0014] Fig. 3 It is the dense arrangement plane arrangement drawing of the utility model embodiment 1.
[0015] Fig. 4 It is the pile body cross -section structure schematic drawing of the utility model embodiment 2;
[0016] Fig. 5 It is the combined pile body cross -section structure schematic drawing of the utility model embodiment 2;
[0017] Fig. 6 It is the dense arrangement plane arrangement drawing of the utility model embodiment 2.
[0018] In the drawing: 1-pile body;2-lock;3-key;4-keyway;5-combined pile body. DETAILED DESCRIPTION
[0019] The utility model will be further explained in detail in connection with the drawings: EMBODIMENT
[0020] As Figs. 1 to 3As shown, the utility model discloses a kind of steel sheet support piles, including pile body 1, and pile body 1 is strip steel plate structure, including female pile body, male pile body two kinds of type, female pile body 1, the cross-sectional shape of male pile body 1 is overall groove type;Female pile body 1, male pile body 1 are each equipped with a lock mouth 2 in the end of its lateral two sides, and male pile body 1 vertical middle part is equipped with key 3, and female pile body 1 vertical middle part is equipped with key groove 4;The cross-sectional shape of key 3 or key groove 4 is U-shaped;Female pile body 1 is engaged interlock by lock mouth 2 and the lock mouth 2 of adjacent male pile body 1 two by two, and closed combined pile body 5 is formed;Combined pile body 5 two sides are respectively through the key 3 of its male pile body 1 or the key groove 4 of female pile body 1 and the key groove 4 of female pile body 1 or the key 3 of male pile body 1 of adjacent combined pile body 5 two sides inter-embedded lap joint;Pile body 1 uses cold bending or hot rolling process production. Embodiment
[0021] Different from embodiment 1, in the present embodiment, the cross-sectional shape of key 3 in vertical middle part of male pile body 1 or key groove 4 in vertical middle part of female pile body 1 is V-shaped.
[0022] The above embodiment is described in conjunction with the drawings, but it can not be understood as the limitation of the scope of protection of the utility model, and it should be pointed out that, for ordinary skilled person in the art, on the premise of not departing from the concept of the utility model, the technical solutions obtained by equivalent replacement or equivalent transformation, all belong to the protection scope of the utility model.
Claims
1. A steel sheet pile characterized by: The utility model relates to a pile body, the pile body is strip steel plate structure, including female pile body, male pile body two types, the cross section shape of female pile body, male pile body is whole and shows groove type, female pile body, male pile body are all equipped with a lock mouth in the end of its lateral both sides, the vertical middle part of male pile body is equipped with the key, and the vertical middle part of female pile body is equipped with the key groove.
2. A steel set prop according to claim 1 characterised in that: The cross section shape of the key and the key groove is U-shaped or V-shaped.
3. A steel set prop according to claim 1, characterised in that: The female pile body is interlocked through the lock mouth and the lock mouth of the adjacent male pile body, and a closed combined pile body is formed.
4. A steel sheet pile according to claim 3, characterised in that: The combined pile body is interlocked through the key of the male pile body or the key groove of the female pile body on both sides, and the key groove of the female pile body or the key of the male pile body on both sides of the adjacent combined pile body.