CN216839610U - Miniature steel-pipe pile underpins independent foundation and seals a pile structure - Google Patents

Miniature steel-pipe pile underpins independent foundation and seals a pile structure Download PDF

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Publication number
CN216839610U
CN216839610U CN202220570936.8U CN202220570936U CN216839610U CN 216839610 U CN216839610 U CN 216839610U CN 202220570936 U CN202220570936 U CN 202220570936U CN 216839610 U CN216839610 U CN 216839610U
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pile
pipe pile
bearing platform
steel pipe
steel
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CN202220570936.8U
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韦正德
朱彦鹏
杨校辉
李芳川
杨奎斌
张辉
王澳
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Lanzhou University of Technology
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Lanzhou University of Technology
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Abstract

The utility model discloses a miniature steel pipe pile underpins independent foundation and seals a pile structure, seal a pile structure and include the leveling cushion cap of building around the steel-pipe pile, the steel-pipe pile wraps up in the center of leveling cushion cap and the steel-pipe pile head end exposes outside the leveling cushion cap; a plurality of vertical embedded bars are arranged on the leveling bearing platform in a penetrating mode around the steel pipe pile, and the embedded bars are distributed in a circular mode with the steel pipe pile as the center; each embedded bar is sleeved on the flange steel plate, the lower surface of the flange steel plate is tightly attached to the leveling bearing platform, and the flange steel plate is fixedly connected with the embedded bar; and a pile sealing bearing platform is built above the leveling bearing platform, and the pile sealing bearing platform wraps the embedded steel bars, the flange steel plates and the head end of the steel pipe pile. The utility model arranges the leveling bearing platform above the steel pipe pile, and arranges the embedded bars on the leveling bearing platform, thereby enhancing the connection strength between the leveling bearing platform and the foundation, and improving the connection strength and the friction between the leveling bearing platform and the steel pipe pile through the flange plate; the strength of the pile sealing structure is further enhanced through the soil layer anchor rods and the cross rods, the steel pipe pile is prevented from jacking, and therefore the pile sealing strength of the steel pipe pile is improved.

Description

Miniature steel-pipe pile underpins independent foundation and seals a pile structure
Technical Field
The utility model belongs to the technical field of the construction, concretely relates to miniature steel-pipe pile underpins independent foundation and seals a pile structure.
Background
Due to the reason of convenient geology and design construction, engineering problems such as house inclination caused by overlarge settlement sometimes occur, and the inclined house foundation needs to be corrected and righted in order to ensure the safety and normal use of the high-rise house. The foundation pile cutting is an effective method for forced landing and rectifying of high-rise buildings, wherein foundation load conversion is a technical key for pile cutting and rectifying, and load conversion is implemented by a load conversion device.
The steel pipe static pressure pile is mainly used for reinforcing the foundation, and is widely applied to projects such as building foundation reinforcement, deviation correction, foundation underpinning and the like because the static pressure pile is convenient to construct and can quickly provide higher bearing capacity.
Need seal the stake after the pile pressing is accomplished, be about to the mouth of pipe shutoff of quiet power stake and concrete foundation joint part, its aim at is isolated to the inside of stake to the inside of guaranteeing the stake can not receive external factor's erosion, thereby the quality and the life of further assurance stake, in order to reach the safety enhancement to the building. In the related technology, the pile sealing method of the static pressure pile is that the pile head of the static pressure pile is cut to the designed elevation before the pile sealing, then the pile hole is cleaned, the accumulated water in the pile sealing hole is pumped out after sundries in the hole are removed, the pile sealing concrete is poured, and the pile sealing device is removed after the concrete is solidified to reach a certain strength, so that the pile sealing work can be completed. The existing pile sealing structure has low pile sealing strength and cannot meet the construction requirement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a miniature steel-pipe pile underpins independent foundation and seals a structure, aim at provides a higher and convenient construction of intensity seals a structure.
Therefore, the utility model adopts the following technical scheme:
a miniature steel pipe pile underpins an independent foundation and seals the pile structure, seal the pile structure and include the leveling cushion cap built around steel pipe pile, the steel pipe pile wraps up in the center of leveling cushion cap and the head end of steel pipe pile is exposed outside leveling cushion cap; a plurality of vertical planting bars penetrate through the leveling bearing platform around the steel pipe pile, and the planting bars are circularly distributed by taking the steel pipe pile as the center; each embedded bar is sleeved on the flange steel plate, the lower surface of the flange steel plate is tightly attached to the leveling bearing platform, and the flange steel plate is fixedly connected with the embedded bar; and a pile sealing bearing platform is built above the leveling bearing platform, and the pile sealing bearing platform wraps the embedded steel bars, the flange steel plates and the head end of the steel pipe pile.
Furthermore, soil layer anchor rods are further arranged on two sides of the steel pipe pile, a horizontal cross rod is arranged on the top end of the steel pipe pile in a pressing mode, the left end and the right end of the cross rod are fixedly connected with the two soil layer anchor rods respectively, and the middle of the cross rod is fixed in a pile sealing bearing platform in a pouring mode.
Furthermore, the lower end of the planted bar penetrates through the leveling bearing platform and extends into the soil layer.
Furthermore, the embedded steel bars are connected with nuts in a threaded mode, the lower ends of the nuts are tightly attached to the flange steel plates, and the centers of the flange steel plates and the outer wall of the steel pipe pile are fixed in a circumferential full-welding mode.
Furthermore, C30 concrete is adopted by the leveling bearing platform and the pile sealing bearing platform.
The utility model arranges the leveling bearing platform above the steel pipe pile, and arranges the embedded bars on the leveling bearing platform, thereby enhancing the connection strength between the leveling bearing platform and the foundation, and improving the connection strength and the friction between the leveling bearing platform and the steel pipe pile through the flange plate; the strength of the pile sealing structure is further enhanced through the soil layer anchor rods and the cross rods, the steel pipe pile is prevented from jacking, and therefore the pile sealing strength of the steel pipe pile is improved.
Drawings
FIG. 1 is a front view of the pile sealing structure of the present invention;
FIG. 2 is a side view of the pile sealing structure of the present invention;
FIG. 3 is a top view of the pile sealing structure of the present invention;
FIG. 4 is a front view of the flange steel plate of the present invention;
in the figure: 1-steel pipe pile, 2-leveling bearing platform, 3-bar planting, 4-flange steel plate, 5-nut, 6-cross bar, 7-pile sealing bearing platform and 8-soil layer anchor rod.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in figures 1-4, the miniature steel pipe pile underpins the structure of the independent foundation seal pile, should seal the structure of the pile and include around the leveling cushion cap 2 that the steel pipe pile 1 was built, because the foundation of 1 head end department of steel pipe pile is slope form, therefore need build leveling cushion cap 2 and make level. C30 concrete is selected for use to the cushion cap 2 of making level, and steel-pipe pile 1 wraps up in the cushion cap 2 center of making level and 1 head end of steel-pipe pile exposes outside the cushion cap 2 of making level, convenient follow-up construction.
Then, holes are drilled on the upper surface of the leveling bearing platform 2 around the steel pipe pile 1, the lower end of each drilled hole penetrates through the leveling bearing platform 2 and extends into a soil layer below the leveling bearing platform 2, and the drilled holes are distributed in a circular shape by taking the steel pipe pile 1 as the center. Then chemically planting bars 3 in each drill hole, and sleeving the planting bars 3 on the flange steel plate 4. The flange steel plate 4 is the ring form, and the ring centre bore hole slightly is greater than 1 diameter of steel-pipe pile, and the ring edge bores and is equipped with the through-hole with 3 one-to-one of bar planting, and each bar planting 3 wears to establish respectively to the through-hole of flange steel plate 4 in. 3 head ends of bar planting are connected with nut 5, and nut 5 compresses tightly flange steel sheet 4 on the cushion cap 2 of making level, and the full weld is fixed between the inner circle of flange steel sheet 4 and steel-pipe pile 1.
A pile sealing bearing platform 7 is built above the leveling bearing platform 2, the pile sealing bearing platform 7 is made of C30 concrete, and the pile sealing bearing platform 7 wraps the embedded steel bars 3, the flange steel plates 4 and the head end of the steel pipe pile 1. In addition, both sides of steel-pipe pile 1 still are equipped with soil layer stock 8, and steel-pipe pile 1 top is pressed and is equipped with horizontally horizontal pole 6, and both ends are connected with two soil layer stock 8 rigid couplings respectively about horizontal pole 6, and the middle part of horizontal pole 6 is pour and is fixed in a pile cap 7.
The utility model discloses a construction method as follows:
1. firstly, driving soil layer anchor rods 8 on two sides of the underpinning pile, fixing a reaction frame through the soil layer anchor rods 8, constructing a static pressure steel pipe pile 1 to a preset position through the reaction frame, and removing the reaction frame after the construction of the steel pipe pile 1 is finished to keep the soil layer anchor rods 8;
2. installing a template on the steel pipe pile 1, and constructing and leveling a bearing platform 2; after the maintenance of the leveling bearing platform 2 is finished, drilling holes on the leveling bearing platform 2 for planting bars 3, and fixing the planted bars 3 through a flange steel plate 4;
3. a cross bar 6 is connected between the two soil layer anchor rods 8, the soil layer anchor rods 8 and the cross bar 6 are welded and fixed, and the cross bar 6 is pressed on the top of the steel pipe pile 1;
4. and finally, supporting the template above the leveling bearing platform 2, and constructing a pile sealing bearing platform 7.

Claims (5)

1. A pile sealing structure for a miniature steel pipe pile underpinning independent foundation is characterized by comprising a leveling bearing platform (2) built around a steel pipe pile (1), wherein the steel pipe pile (1) is wrapped in the center of the leveling bearing platform (2), and the head end of the steel pipe pile (1) is exposed out of the leveling bearing platform (2); a plurality of vertical embedded bars (3) are arranged on the leveling bearing platform (2) in a penetrating manner around the steel pipe pile (1), and the embedded bars (3) are distributed in a circular manner by taking the steel pipe pile (1) as the center; each embedded bar (3) is sleeved on a flange steel plate (4), the lower surface of the flange steel plate (4) is tightly attached to the leveling bearing platform (2), and the flange steel plate (4) is fixedly connected with the embedded bar (3); a pile sealing bearing platform (7) is built above the leveling bearing platform (2), and the embedded steel bars (3), the flange steel plates (4) and the head end of the steel pipe pile (1) are wrapped into the pile sealing bearing platform (7).
2. The miniature steel pipe pile underpinning independent foundation pile sealing structure according to claim 1, wherein soil layer anchor rods (8) are further arranged on two sides of the steel pipe pile (1), a horizontal cross rod (6) is arranged on the top end of the steel pipe pile (1) in a pressing mode, the left end and the right end of the cross rod (6) are fixedly connected with the two soil layer anchor rods (8) respectively, and the middle of the cross rod (6) is poured and fixed into a pile sealing bearing platform (7).
3. The micro steel pipe pile underpinning independent foundation pile sealing structure as claimed in claim 1, wherein the lower end of the embedded bar (3) penetrates through the leveling cushion cap (2) and extends into the soil layer.
4. The micro steel pipe pile underpinning independent foundation pile sealing structure according to claim 1, wherein the embedded steel bar (3) is in threaded connection with a nut (5), the lower end of the nut (5) is tightly attached to the flange steel plate (4), and the center of the flange steel plate (4) is fixed with the outer wall of the steel pipe pile (1) in an annular full-weld mode.
5. The micro steel pipe pile underpinning independent foundation pile sealing structure as claimed in claim 1, wherein the leveling bearing platform (2) and the pile sealing bearing platform (7) both adopt C30 concrete.
CN202220570936.8U 2022-03-16 2022-03-16 Miniature steel-pipe pile underpins independent foundation and seals a pile structure Active CN216839610U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220570936.8U CN216839610U (en) 2022-03-16 2022-03-16 Miniature steel-pipe pile underpins independent foundation and seals a pile structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220570936.8U CN216839610U (en) 2022-03-16 2022-03-16 Miniature steel-pipe pile underpins independent foundation and seals a pile structure

Publications (1)

Publication Number Publication Date
CN216839610U true CN216839610U (en) 2022-06-28

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ID=82095881

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220570936.8U Active CN216839610U (en) 2022-03-16 2022-03-16 Miniature steel-pipe pile underpins independent foundation and seals a pile structure

Country Status (1)

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CN (1) CN216839610U (en)

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