CN216615878U - Multi-angle anchor rod reinforced foundation pit supporting structure under pipeline - Google Patents
Multi-angle anchor rod reinforced foundation pit supporting structure under pipeline Download PDFInfo
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- CN216615878U CN216615878U CN202123353859.5U CN202123353859U CN216615878U CN 216615878 U CN216615878 U CN 216615878U CN 202123353859 U CN202123353859 U CN 202123353859U CN 216615878 U CN216615878 U CN 216615878U
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Abstract
The utility model discloses a multi-angle anchor rod reinforced foundation pit supporting structure containing a pipeline, which comprises a supporting pile connected to the periphery of a foundation pit, a building bottom layer connected to the outer side of the supporting pile, a soil body connected between the supporting pile and the building bottom layer, a pipeline connected to the upper part of the soil body, a temporary building connected to the ground at the top of the soil body and anchor rod reinforcing components connected to the vertical direction of the soil body at intervals, wherein the supporting pile is connected to the periphery of the foundation pit; the horizontal included angle of the anchor rod reinforcing component above the pipeline is smaller than that of the anchor rod reinforcing component below the pipeline, and the anchor rod reinforcing components on the middle lower portion of the soil body are arranged at equal intervals. According to the utility model, through the angle-divided design of the anchor rod, the anchoring construction is favorably carried out under the existing pipeline, and the anchoring is favorably carried out above the pipeline to bear the upper load; through the combined arrangement of the wedge-shaped fixing piece, the cushion rod and the anchoring piece, the anchor rod can be ensured to extend into the anchor rod at different angles, and the extending end of the anchor rod is reinforced; the support piles and the crown beams are connected, so that the support piles and the crown beams are connected into a whole.
Description
Technical Field
The utility model belongs to the technical field of constructional engineering, and particularly relates to a multi-angle anchor rod reinforced foundation pit supporting structure under a pipeline.
Background
In the existing foundation pit support, a support pile or a support pile and anchor rod support combined construction is mostly adopted. But when meetting existing pipeline, need carry out the pertinence design to original equidistance distribution's stock, especially when the equipartition load that still temporary building caused on the soil body, the anchor of stock and the wholeness of whole support all need strengthen and adaptability design to guarantee the construction of strutting under existing pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-angle anchor rod reinforced foundation pit supporting structure containing a pipeline, which is used for solving the technical problems of reinforcement of the existing pipeline, design of a supporting scheme, multiple integral connection and the like in the process of foundation pit supporting.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a multi-angle anchor rod reinforced foundation pit supporting structure containing a pipeline comprises supporting piles connected to the periphery of a foundation pit, a building bottom layer connected to the outer side of each supporting pile, a soil body connected between each supporting pile and the building bottom layer, a pipeline connected to the upper portion of the soil body, a temporary building connected to the ground at the top of the soil body and anchor rod reinforcing assemblies connected to the vertical direction of the soil body at intervals;
the horizontal included angle of the anchor rod reinforcing component above the pipeline is smaller than that of the anchor rod reinforcing component below the pipeline, and the anchor rod reinforcing components on the middle lower portion of the soil body are arranged at equal intervals.
Furthermore, the anchor rod reinforcing component comprises an anchor rod, an anchoring piece, a cushion rod and a wedge-shaped fixing piece, wherein the support pile penetrates into a soil body, the anchoring piece is connected to the extending end of the anchor rod, and the cushion rod and the wedge-shaped fixing piece are connected between the anchoring piece and the support pile.
Further, the anchor rod is obliquely inserted into the soil body, the horizontal included angle of the anchor rod above the pipeline is not more than 5 degrees, and the horizontal included angle of the anchor rod below the pipeline is not more than 20 degrees; the horizontal included angle of the anchor rods at the middle lower part is 15 degrees.
Further, the wedge-shaped fixing piece is a right-angle triangular piece, and the long right-angle edge is vertically attached to the supporting pile; the angle between the bevel edge and the long right-angle edge corresponds to the oblique angle of the anchor rod.
Further, the cushion rod is an I-shaped rod, a square rod or a straight rod; the pad bar is connected between the anchoring piece and the wedge-shaped fixing piece and is positioned on two sides of the anchor rod.
Furthermore, the anchoring piece is a steel piece, and a gasket is connected to the joint of the anchoring piece and the cushion rod; and a reinforcing rod is connected between the adjacent anchoring parts.
Further, the fender pile contains a pile main body, connects in the inside stake of a main body and erects muscle, the stake stirrup that vertical interval set up and connect in stake spiral muscle on the muscle of erecting.
Furthermore, the pile vertical ribs are arranged at intervals in the upward direction of the pile main body ring, and the tops of the pile vertical ribs extend into the crown beam; the pile vertical ribs are also provided with pile positioning ribs at intervals, the pile positioning ribs are arranged at intervals, and the width of each pile positioning rib corresponds to the thickness of the concrete protective layer.
Furthermore, the crown beam comprises a beam main body, a beam longitudinal rib arranged in the beam main body and a beam stirrup arranged in the beam main body and positioned outside the beam longitudinal rib.
Furthermore, the crown beams are square or rectangular concrete beams, and connecting beams are arranged between adjacent crown beams.
The utility model has the beneficial effects that:
1) according to the utility model, through the angle-divided design of the anchor rod, the anchor rod is beneficial to anchoring construction under the existing pipeline, and anchoring above the pipeline is beneficial to bearing upper load;
2) the wedge-shaped fixing piece, the cushion rod and the anchoring piece are combined, so that the anchor rod can be conveniently inserted at different angles, and the extending end of the anchor rod is reinforced;
3) the support piles and the crown beams are connected, so that the support piles and the crown beams are connected into a whole, and the connection integrity can be further ensured by the arrangement of the connection beams.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model; the primary objects and other advantages of the utility model may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic cross-sectional view of a multi-angle bolt-reinforced foundation pit supporting structure with a pipeline;
FIG. 2 is a schematic cross-sectional view of a support pile;
FIG. 3 is a schematic cross-sectional view of a support pile;
FIG. 4 is a schematic view of the pile spacer connection;
FIG. 5 is a schematic cross-sectional view of a crown beam;
fig. 6 is a schematic view of the anchor reinforcing assembly.
Reference numerals: 1-building bottom layer, 2-temporary building, 3-pipeline, 4-supporting pile, 41-pile main body, 42-pile spiral rib, 43-pile vertical rib, 44-pile stirrup, 45-pile positioning rib, 5-crown beam, 51-beam main body, 52-beam stirrup, 53-beam longitudinal rib, 6-anchor rod reinforcing component, 61-anchor rod, 62-wedge-shaped fixing piece, 63-backing rod, 64-anchoring piece and 7-soil body.
Detailed Description
Taking a foundation pit of a certain supporting section as an example, the foundation pit is reinforced by adopting supporting piles and anchor rods, and the tops of the supporting piles 4 are connected with crown beams 5. The existing pipeline 3 is met in the anchoring soil body 7 of the anchor rod 61, and the anchor rod 61 is designed in a pertinence mode.
As shown in fig. 1 to 6, the multi-angle anchor rod reinforced foundation pit supporting structure with the pipeline comprises a supporting pile 4 connected to the periphery of the foundation pit, a building bottom layer 1 connected to the outer side of the supporting pile 4, a soil body 7 connected between the supporting pile 4 and the building bottom layer 1, a pipeline 3 connected to the upper portion of the soil body 7, a temporary building 2 connected to the top of the soil body 7 on the ground, and anchor rods 61 connected to the vertical direction of the soil body 7 at intervals, wherein the anchor rods are used for reinforcing the assembly 6.
In this embodiment, the slope protection stake is located foundation ditch avris one side at the foundation ditch inboard, and one side is in the foundation ditch outside. The pile diameter of the slope protection pile is 1000mm, the pile spacing is 1.60m, the pile top is positioned at the position of-0.28 m, the pile length is 21.0m, and the embedding depth is 6.51 m. Five pre-stressed anchor rods 61 are adopted, each pre-stressed anchor rod 61 is 12.0m long, and the length of a free section is 4.0 m.
In this embodiment, the horizontal included angle of the anchor rod 61 reinforcing component 6 above the pipeline 3 is smaller than the horizontal included angle of the anchor rod 61 reinforcing component 6 below the pipeline 3, and the anchor rod 61 reinforcing components 6 at the middle lower part of the soil body 7 are arranged at equal intervals. Anchor rod 61 reinforcing assembly 6 comprises anchor rod 61 for supporting pile 4 penetrating into soil 7, anchor member 64 connected to the outward end of anchor rod 61, bolster rod 63 connected between anchor member 64 and supporting pile 4, and wedge-shaped fixing member 62. The anchor rods 61 are obliquely inserted into the soil body 7, the horizontal included angle of the anchor rods 61 above the pipeline 3 is 5 degrees, and the horizontal included angle of anchoring below the pipeline 3 is 20 degrees; the horizontal included angle of the anchor rods 61 at the middle lower part is 15 degrees.
In this embodiment, the wedge-shaped fixing member 62 is a right-angled triangular steel member, and the long right-angled side is vertically attached to the support pile 4; the angle of the hypotenuse to the long right-angle side corresponds to the oblique angle of the anchor rod 61. The cushion rod 63 is I-shaped, and can also be a square or straight rod; the bolster rods 63 are connected between the anchor members 64 and the wedge anchor 62 on either side of the anchor rods 61. The anchoring part 64 is a steel part, and a gasket is connected to the joint of the anchoring part 64 and the cushion rod 63; a steel reinforcing rod is also connected between adjacent anchors 64.
In this embodiment, the support pile 4 includes a pile main body 41, a pile vertical rib 43 connected to the inside of the pile main body 41, a pile stirrup 44 vertically spaced apart from the pile main body, and a pile spiral rib 42 connected to the pile vertical rib 43. The pile vertical ribs 43 are arranged at intervals in the circumferential direction of the pile main body 41, and the tops of the pile vertical ribs 43 extend into the crown beam 5; the pile vertical ribs 43 are also provided with pile positioning ribs 45 at intervals, the pile positioning ribs 45 are arranged as \ 21274, and the width of the pile positioning ribs 45 corresponds to the thickness of the concrete protective layer.
In the embodiment, the pile vertical ribs 43 of the whole long pile body are 15 phi 25, the pile body is poured with C25 commercial concrete, the thickness of the protective layer is 50mm, and the slump is 180-220 mm. The area of the pile stirrup 44 within 4.0m below the pile top is phi 8@150 mm. The outside of the pile is integrally provided with a reinforcing mesh, and 10cmC20 concrete is sprayed.
In this embodiment, the crown beam 5 includes a beam main body 51, a beam longitudinal rib 53 disposed in the beam main body 51, and a beam stirrup 52 disposed in the beam main body 51 and located outside the beam longitudinal rib 53; the crown beams 5 are square or rectangular concrete beams, and connecting beams are further arranged between the adjacent crown beams 5. The top of the slope protection pile is provided with a crown beam 5 with the specification of 1200mm multiplied by 800 mm. The beam longitudinal ribs 53 of the crown beam 5 are 8 phi 25+2 phi 18, and are symmetrically arranged in the whole length; the beam stirrup 52 has a diameter of 8@200 mm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. A multi-angle anchor rod reinforced foundation pit supporting structure containing a pipeline is characterized by comprising supporting piles (4) connected to the periphery of a foundation pit, a building bottom layer (1) connected to the outer sides of the supporting piles (4), a soil body (7) connected between the supporting piles (4) and the building bottom layer (1), a pipeline (3) connected to the upper portion of the soil body (7), a temporary building (2) connected to the ground at the top of the soil body (7) and anchor rod (61) reinforcing components (6) connected to the vertical portion of the soil body (7) at intervals;
the horizontal included angle of the anchor rod (61) reinforcing component (6) above the pipeline (3) is smaller than the horizontal included angle of the anchor rod (61) reinforcing component (6) below the pipeline (3), and the anchor rod (61) reinforcing components (6) at the middle lower part of the soil body (7) are arranged at equal intervals.
2. The multi-angle anchor rod reinforced foundation pit supporting structure containing the pipeline as claimed in claim 1, wherein the anchor rod (61) reinforcing component (6) comprises an anchor rod (61) for penetrating a supporting pile (4) into a soil body (7), an anchoring member (64) connected to the outward extending end of the anchor rod (61), a cushion rod (63) connected between the anchoring member (64) and the supporting pile (4) and a wedge-shaped fixing member (62).
3. The multi-angle anchor rod reinforced foundation pit supporting structure under pipeline according to claim 2, wherein the anchor rod (61) is obliquely inserted into the soil body (7), the horizontal included angle of the anchor rod (61) above the pipeline (3) is not more than 5 degrees, and the horizontal included angle of the anchor rod below the pipeline (3) is not more than 20 degrees; the horizontal included angle of the anchor rods (61) at the middle lower part is 15 degrees.
4. The multi-angle anchor rod reinforced foundation pit supporting structure under the pipe according to claim 3, wherein the wedge-shaped fixing piece (62) is a right-angle triangular piece, and the long right-angle edge is vertically attached to the supporting pile (4); the angle between the inclined edge and the long right-angle edge corresponds to the oblique angle of the anchor rod (61).
5. The multi-angle anchor rod reinforced foundation pit supporting structure under the pipeline as claimed in claim 4, wherein said backing rod (63) is an I-shaped, square-shaped or straight rod; the cushion rod (63) is connected between the anchoring piece (64) and the wedge-shaped fixing piece (62) and is positioned on two sides of the anchor rod (61).
6. The multi-angle anchor rod reinforced foundation pit supporting structure under the pipeline as claimed in claim 5, wherein the anchoring member (64) is a steel member, and a gasket is further connected at the joint of the anchoring member (64) and the backing rod (63); a fastener is also connected between the adjacent anchoring parts (64)
And (4) a strong rod.
7. The multi-angle anchor rod reinforced foundation pit supporting structure with the pipeline as claimed in claim 1, wherein the supporting pile (4) comprises a pile main body (41), pile vertical ribs (43) connected inside the pile main body (41), pile stirrups (44) arranged at vertical intervals, and pile spiral ribs (42) connected to the pile vertical ribs (43).
8. The multi-angle anchor rod reinforced foundation pit supporting structure containing the pipeline as claimed in claim 7, wherein the pile vertical ribs (43) are arranged at intervals in the circumferential direction of the pile main body (41), and the tops of the pile vertical ribs (43) extend into the crown beam (5); the pile vertical ribs (43) are also provided with pile positioning ribs (45) at intervals, the pile positioning ribs (45) are arranged as \ 21274, the width of each pile positioning rib (45) corresponds to the thickness of the concrete protective layer.
9. The multi-angle anchor rod reinforced foundation pit supporting structure with the pipeline as claimed in claim 8, wherein the crown beam (5) comprises a beam main body (51), a beam longitudinal bar (53) arranged in the beam main body (51), and a beam stirrup (52) arranged in the beam main body (51) and located outside the beam longitudinal bar (53).
10. The multi-angle anchor rod reinforced foundation pit supporting structure with the pipeline as claimed in claim 9, wherein the crown beams (5) are square or rectangular concrete beams, and a connecting beam is further arranged between adjacent crown beams (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123353859.5U CN216615878U (en) | 2021-12-29 | 2021-12-29 | Multi-angle anchor rod reinforced foundation pit supporting structure under pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123353859.5U CN216615878U (en) | 2021-12-29 | 2021-12-29 | Multi-angle anchor rod reinforced foundation pit supporting structure under pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216615878U true CN216615878U (en) | 2022-05-27 |
Family
ID=81684307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123353859.5U Active CN216615878U (en) | 2021-12-29 | 2021-12-29 | Multi-angle anchor rod reinforced foundation pit supporting structure under pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216615878U (en) |
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2021
- 2021-12-29 CN CN202123353859.5U patent/CN216615878U/en active Active
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