Fabricated T-shaped inserting plate pile retaining wall
By designing a prefabricated T-shaped sheet pile retaining wall, the problem of poor connection between the connecting plate and the load-bearing pile in the combined sheet pile type retaining wall was solved, realizing a structure with reasonable stress and reliable safety, which is suitable for various terrain layouts and reduces engineering costs and construction complexity.
Patent Information
- Application Number
- CN202423310543.1
- 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
Existing combined sheet pile retaining walls suffer from poor connection between the connecting plate and the load-bearing piles in terms of construction conditions and precision, often resulting in misalignment.
Design a prefabricated T-shaped sheet pile retaining wall, including supporting piles and connecting plates. The supporting piles adopt a T-shaped structure, and the connecting plates are sealed to the supporting piles. The structure is optimized by weight-reducing holes and chamfering. Combined with cap beams and geotextile, load transfer and structural stability are achieved.
The load is mainly borne by T-shaped support piles, which ensures reasonable stress distribution, safety and reliability. It is suitable for straight and arc-shaped layouts, simplifies construction, reduces project costs, reduces the amount of cofferdam work, and shortens the construction period.
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Figure CN223660888U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of inserted pile retaining wall, more particularly, relate to a kind of assembled T type inserted pile retaining wall. BACKGROUND
[0002] In traditional retaining structure design, retaining wall is mostly used gravity retaining wall or reinforced concrete buttress (cantilever) retaining wall and other types. Not only structure is heavy, material consumption is large, and a large amount of earthwork excavation is generated. For water conservancy project, to maintain dry construction, river cofferdam or river cofferdam is often arranged, construction is complex, quality is not easy to control, and construction period is long. For site cramped municipal, traffic and other projects, temporary enclosure structure is often set to ensure the safety of foundation pit and surrounding buildings and facilities, which is high in cost and high in risk. At present, combined inserted pile retaining wall in the market is poor in connection of connecting plate and force receiving pile due to construction conditions and precision constraints, and misplacement is often generated. SUMMARY
[0003] The utility model aims at the deficiency in prior art, provides a kind of assembled T type inserted pile retaining wall, solves the problem that the connecting plate and force receiving pile of the existing combined inserted pile retaining wall are poor in connection due to construction conditions and precision constraints, and misplacement is often generated.
[0004] To achieve the above-mentioned purpose, the utility model provides an assembled T type inserted pile retaining wall, comprising:
[0005] Support pile body, the support pile body includes first plate part and second plate part, one end of the first plate part overlaps the middle part of the second plate part, and forms T type structure;
[0006] Connecting plate, the connecting plate is rectangular, one end of the connecting plate is arranged in the included angle between the first plate part and the second plate part, and the side wall of the connecting plate is sealingly connected with the first plate part and the second plate part.
[0007] Optionally, the support pile body is provided with axial lightening hole, and the lightening hole is arranged at the overlapping position of the first plate part and the second plate part.
[0008] Optionally, the side of the second plate part away from the first plate part is water side or air side.
[0009] Optionally, the side of the connecting plate close to the first plate part and the second plate part is provided with chamfer.
[0010] Optionally, the end of the connecting plate away from the support pile body is provided with geotextile.
[0011] Optionally, it further includes cap beam, and the cap beam is arranged on the upper end of the support pile body and the connecting plate.
[0012] Optionally, the horizontal section of the first plate part is a first rectangle, the length B of the first rectangle is 20-25 cm, and the height H of the first rectangle is 40-60 cm.
[0013] Optionally, the horizontal section of the second plate part is a second rectangle, the length Bf of the second rectangle is 40-50 cm, and the height Hf of the second rectangle is 15-25 cm.
[0014] Optionally, the diameter D of the weight-reducing hole is 10-15 cm.
[0015] Optionally, the length L of the connecting plate is 1.2-1.5 m, and the thickness T of the connecting plate is 20-25 cm.
[0016] The utility model provides a kind of assembled T type plug-in plate pile retaining wall, its beneficial effect is in that:
[0017] The assembled T type plug-in plate pile retaining wall transmits the force received by connecting plate to the supporting pile body of T type, and the load is mainly borne by T type supporting pile, and the force is reasonable, safe and reliable, not only can be applied to linear arrangement, but also can be simply deformed by adjusting the angle of connecting plate, and the use range is wide.
[0018] Other features and advantages of the utility model will be described in detail in the subsequent specific embodiment part. DRAWINGS
[0019] The above and other objects, features and advantages of the utility model will become more apparent through more detailed description of exemplary embodiments of the utility model in conjunction with the accompanying drawings, wherein, in the exemplary embodiments of the utility model, the same reference numerals generally represent the same components.
[0020] Figure 1 The structure schematic diagram of assembled T type plug-in plate pile retaining wall according to one embodiment of the utility model is shown.
[0021] Figure 2 The sectional view schematic diagram of assembled T type plug-in plate pile retaining wall according to one embodiment of the utility model is shown.
[0022] Figure 3 The structure schematic diagram of supporting pile body of assembled T type plug-in plate pile retaining wall according to one embodiment of the utility model is shown.
[0023] Figure 4 The structure schematic diagram of connecting plate of assembled T type plug-in plate pile retaining wall according to one embodiment of the utility model is shown.
[0024] Figure 5A structure schematic view of a linear arrangement of the assembled T-shaped inserted plate pile retaining wall is shown according to one embodiment of the present application.
[0025] Figure 6 A structure schematic view of an arc-shaped arrangement of the assembled T-shaped inserted plate pile retaining wall is shown according to one embodiment of the present application.
[0026] Explanation of reference signs:
[0027] 1, support pile body; 2, connecting plate; 3, cap beam; 4, geotextile; 5, drainage hole. DETAILED DESCRIPTION
[0028] The preferred embodiments of the present application will be described in more detail below. Although the preferred embodiments of the present application are described below, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application is more thorough and complete, and the scope of the present application can be fully conveyed to those skilled in the art.
[0029] As shown in Figures 1-6 , an assembled T-shaped inserted plate pile retaining wall comprises:
[0030] A support pile body 1, the support pile body 1 comprises a first plate part and a second plate part, one end of the first plate part overlaps the middle part of the second plate part, forming a T-shaped structure;
[0031] A connecting plate 2, the connecting plate 2 is rectangular, one end of the connecting plate 2 is arranged in the included angle between the first plate part and the second plate part, and the side wall of the connecting plate 2 is sealingly connected with the first plate part and the second plate part.
[0032] Specifically, the T-shaped inserted plate pile retaining wall transmits the force borne by the connecting plate 2 to the T-shaped support pile body 1, the load is mainly borne by the T-shaped support pile, the force is reasonable, safe and reliable, and the T-shaped inserted plate pile retaining wall can not only be applied to linear arrangement, but also can be simply deformed by adjusting the angle of the connecting plate 2, and can be adapted to arc-shaped arrangement through the polygonal structure, and the use range is wide.
[0033] Further, the support pile body 1 is a reinforced concrete structure, and a tensioning steel bar is arranged inside and fills the gap through a 2cm-thick low-foaming polyethylene plate.
[0034] Still further, the lower end of the support pile body 1 is lower than the lower end of the connecting plate 2, and the lower end of the connecting plate 2 is lower than the elevation of the design platform.
[0035] In the present embodiment, the support pile body 1 is provided with an axial weight-reducing hole, and the weight-reducing hole is arranged at the overlapping position of the first plate part and the second plate part.
[0036] Specifically, the weight-reducing hole reduces the material usage and weight while maintaining the strength, thereby reducing the cost and facilitating the movement.
[0037] In the embodiment, the side of the second plate part away from the first plate part is a water-adjacent side or an air-adjacent side.
[0038] Specifically, the side of the second plate part away from the first plate part is a water-adjacent side or an air-adjacent side, and the first plate part faces a soil-adjacent side and is subjected to the water pressure and soil pressure from the back, so that the connecting plate 2 is automatically pressed against the supporting pile body 1, the misalignment of the supporting pile body 1 and the connecting plate 2 is effectively avoided, the embedding degree of the two structures is improved, and the two are tightly connected. Compared with the conventional rectangular pile, the supporting pile body 1 of the T-shaped structure fully utilizes the advantages of the T-shaped structure that the concrete on the water-adjacent side is subjected to compression and the steel on the soil-adjacent side is subjected to tension, and compared with the connecting plate 2 of the conventional inserted plate pile type embedded in the grooves on both sides of the pile body 1, the construction is simpler, and under the condition of meeting the structural stress requirement, the T-shaped supporting pile body 1 can reduce the amount of concrete and steel, thereby reducing the engineering cost.
[0039] Further, the height of the T-shaped structure can be increased by increasing the height of the first plate part, thereby enhancing the moment of inertia of the pile section and improving the structural bending stiffness. Under the condition of meeting the structural stress requirement, the T-shaped supporting pile can reduce the amount of concrete and steel, thereby reducing the engineering cost.
[0040] In the embodiment, the side of the connecting plate 2 close to the first plate part and the second plate part is provided with a chamfer.
[0041] Specifically, the chamfer is adapted to the filling of the foaming glue during sealing and the adjustment of the angle.
[0042] Further, the connecting plate 2 is provided with a PVC drainage hole 5, and the hole is filled with sand-free concrete.
[0043] In the embodiment, the geotextile 4 is arranged at the end of the connecting plate 2 away from the supporting pile body 1.
[0044] Specifically, the geotextile 4 is attached to the back of the plate, thereby realizing the reverse filtration and drainage effect.
[0045] In the embodiment, the cap beam 3 is arranged on the upper end of the supporting pile body 1 and the connecting plate 2.
[0046] Specifically, the cap beam 3 closes and beautifies the top end of the retaining wall, and cooperates with the underground buried part to limit the separation of the connecting plate 2 and the supporting pile body 1.
[0047] In the embodiment, the horizontal cross section of the first plate part is a first rectangle, the length B of the first rectangle is 20-25 cm, and the height H is 40-60 cm.
[0048] In the embodiment, the horizontal cross section of the second plate part is a second rectangle, the length Bf of the second rectangle is 40-50 cm, and the height Hf is 15-25 cm.
[0049] In the embodiment, the weight-reducing hole has a diameter D of 10-15 cm.
[0050] Further, the weight-reducing hole includes a through hole, a blind hole, and or a columnar cavity.
[0051] In the embodiment, the connecting plate 2 has a length L of 1.2-1.5 m and a thickness T of 20-25 cm.
[0052] Specifically, the height of the connecting plate 2 is determined according to the construction design, and the length L of the connecting plate 2 is determined according to the distance between the supporting piles, and generally, L=1.2-1.5 m and T=20-25 cm.
[0053] In use of the assembled T-shaped plug-in plate pile retaining wall, the river bank is taken as an example:
[0054] The supporting piles 1 are arranged at intervals, and the first plate part faces the soil side;
[0055] The connecting plate 2 is installed, and the gap between the connecting plate 2 and the supporting pile 1 is filled and sealed;
[0056] The geotextile 4 is laid on the soil side, and the reinforced concrete cap beam 3 is poured;
[0057] The soil is filled on the soil side, and the installation is completed.
[0058] The connecting plate 2 and the supporting pile 1 are both prefabricated components, and are constructed by assembling, which is simple in on-site construction, suitable for mechanized construction, easy to control the construction quality, and short in construction period; the T-shaped plug-in plate pile retaining wall can be constructed with water, and is constructed by using the on-ship machinery, which reduces the cofferdam engineering quantity and the engineering cost; the T-shaped plug-in plate pile retaining wall can be constructed without large excavation, which reduces the supporting measures and the influence on the surrounding facilities, and reduces the engineering cost. Meanwhile, the T-shaped plug-in plate pile retaining wall can be applied to not only the linear arrangement, but also the circular arrangement through simple structural deformation, and has a wide application range and high popularization.
[0059] The above has described the embodiments of the utility model, and the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A fabricated T-shaped plug-in sheet pile retaining wall, characterized by, The utility model relates to a supporting pile body, connecting plate and cover beam, and belongs to the field of building construction. Supporting pile body, the supporting pile body includes first plate part and second plate part, one end of first plate part overlaps in the middle part of second plate part, and constitutes T type structure; Connecting plate, the connecting plate is rectangular, one end of connecting plate is arranged in the included angle of first plate part and second plate part, and the side wall of connecting plate is sealedly connected with first plate part and second plate part.
2. The assembled T-shaped plug-in sheet pile retaining wall according to claim 1, characterized in that, The supporting pile body is provided with the axial weight-reducing hole, and the weight-reducing hole is arranged at the overlapping place of the first plate part and the second plate part.
3. The assembled T-shaped plug-in sheet pile retaining wall according to claim 1, characterized in that, The side of the second plate part away from the first plate part is the side close to water or the side close to air.
4. The assembled T-shaped plug-in sheet pile retaining wall according to claim 1, characterized in that, The side of the connecting plate close to the first plate part and the second plate part is provided with a chamfer.
5. The assembled T-shaped plug-in sheet pile retaining wall according to claim 1, characterized in that, The end of the connecting plate away from the supporting pile body is provided with a geotextile.
6. The assembled T-shaped plug-in sheet pile retaining wall according to claim 1, wherein, Further comprising a cover beam, the cover beam covers the upper end of the supporting pile body and the connecting plate.
7. The assembled T-shaped plug-in sheet pile retaining wall according to claim 1, characterized in that, The horizontal section of the first plate part is a first rectangle, the length B of the first rectangle is 20-25cm, and the height H is 40-60cm.
8. The assembled T-shaped plug-in sheet pile retaining wall according to claim 1, characterized in that, The horizontal section of the second plate part is a second rectangle, the length Bf of the second rectangle is 40-50cm, and the height Hf is 15-25cm.
9. The assembled T-shaped plug-in sheet pile retaining wall according to claim 2, characterized in that, The diameter D of the weight-reducing hole is 10-15cm.
10. The assembled T-shaped plug-in sheet pile retaining wall according to claim 1, characterized in that, The length L of the connecting plate is 1.2m-1.5m, and the thickness T is 20-25cm.