CN214033757U - Steel-pipe pile anchor rope combination supporting construction - Google Patents
Steel-pipe pile anchor rope combination supporting construction Download PDFInfo
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- CN214033757U CN214033757U CN202023170563.5U CN202023170563U CN214033757U CN 214033757 U CN214033757 U CN 214033757U CN 202023170563 U CN202023170563 U CN 202023170563U CN 214033757 U CN214033757 U CN 214033757U
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Abstract
The utility model relates to a side slope protection technical field provides a steel-pipe pile anchor rope combination supporting construction, including steel-pipe pile, anchor rope and fixed station, the anchor rope passes the steel-pipe pile setting and the anchor rope includes free section and anchor section, and the steel-pipe pile only wraps up the free section of anchor rope, and the top of the free section of anchor rope and the top of steel-pipe pile are fixed through the fixed station; an object of the utility model is to provide a steel-pipe pile anchor rope combination supporting construction, its design that adopts steel-pipe pile cooperation anchor rope reaches the effect of quick support to guarantee sufficient support intensity.
Description
Technical Field
The utility model relates to a side slope protection technical field particularly, relates to a steel-pipe pile anchor rope combination supporting construction.
Background
In recent years, due to the development of national economy and the demand for improvement of road networks, highways have gradually entered mountainous areas. The general engineering geological conditions of the mountain roads are complex, the number of high slopes is large, the construction cost is high, the engineering implementation difficulty is high, and particularly in recent years, the high slopes become one of the main control projects in the western Tibetan highways built and built into traffic vehicles. At present, the high slope protection and reinforcement forms are various, and the high slope protection and reinforcement forms comprise anchor rod frame beam protection, anchor cable frame beam protection, pier-padding anchor cables, pier-padding anchor rods, steel pipe piles, anti-slide piles, pile plate walls, retaining walls, net-hanging concrete spraying protection, stone guide nets and the like, and the anti-slide piles and the anchor cables are combined in a rigid-flexible mode to form protection, ecological protection and the like. The prestressed anchor cable is widely applied to reinforcing high slopes. As a rapid reinforcing structure, the steel pipe pile is also widely applied to temporary emergency of side slopes and permanent temporary combination and reinforcement measures. The prestressed anchor cable is used for reinforcing the side slope, the case of deformation and damage often occurs, and particularly, the case of side slope collapse and damage often occurs in the construction process. Especially in recent years, as geological conditions are more and more complex, the construction cost of anchor cable reinforcement engineering is more and more high, especially in the engineering environment with complex geological structure and broken rock mass, the anchor cable is difficult to form holes, the anchor cable reinforcement effect is poor, the holes are more required to be followed by pipes, but the following pipes are pulled out to greatly disturb the slope body, so that the construction cost of the anchor cable is greatly increased by adopting the method of not pulling the following pipes to reduce the overlarge disturbance to the slope body in many working points, and the research is considered to adopt the steel pipe pile prestress anchor cable combined structure of the steel pipe pile to replace the following pipes, so that the construction period is saved, and the novel anchor cable combined structure has great significance for reducing the side slope disturbance and increasing the side slope safety.
The chinese patent with application number 201920397829.8 discloses a prestressed micro-pile retaining structure, which discloses a steel pipe pile, an anchor cable and a fixed station, wherein the anchor cable is completely arranged inside the steel pipe pile; there are the following problems: when the steel pipe pile is directly anchored on a side slope with a thicker soil layer through grouting, the anchor cable is directly arranged in the steel pipe pile, so that the steel pipe pile is in contact with the slope surface, if the anchor cable is anchored in the soil layer, the problem of insufficient anchoring strength exists, if the anchor cable penetrates through the soil layer and is anchored in bedrock, due to the defects of the steel pipe pile, only rigid shear resistance is provided, the pulling resistance is insufficient, the anchoring strength only through grouting is completely insufficient, and the anchoring effect is poor due to the larger landslide weight caused by the thicker soil layer; phase transformation brings about higher manufacturing cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel-pipe pile anchor rope combination supporting construction, its design that adopts steel-pipe pile cooperation anchor rope reaches the effect of quick support to guarantee sufficient support intensity.
The embodiment of the utility model discloses a realize through following technical scheme: the utility model provides a steel-pipe pile anchor rope combination supporting construction, includes steel-pipe pile, anchor rope and fixed station, and the anchor rope passes steel-pipe pile and sets up and the anchor rope includes free section and anchor section, and the free section of anchor rope is only wrapped up in to the steel-pipe pile, and the top of the free section of anchor rope and the top of steel-pipe pile are passed through the fixed station and are fixed.
Further, the steel pipe pile is provided with a plurality of grout outlet holes.
Further, the top of the steel pipe pile is fixedly connected with a steel base plate, and the steel base plate is arranged inside the fixed platform.
Furthermore, the fixed station comprises a frame beam and a wedge-shaped cushion block arranged on the frame beam, sleeve pipes for the grouting pipes and the anchor cables to pass through are arranged in the frame beam and the wedge-shaped cushion block, the anchor is arranged in the frame beam and the wedge-shaped cushion block, and the anchor cables are fixed on the wedge-shaped cushion block through anchor plates after penetrating through the anchor.
Furthermore, the anchor cable is provided with a plurality of tightening rings and a plurality of ring stringing.
Furthermore, the free section of the anchor cable is provided with a plurality of loop stringing lines, the anchoring section is alternately provided with a plurality of loop stringing lines and a plurality of hoop hoops, and the distance between the adjacent loop stringing lines on the anchoring section is smaller than the distance between the adjacent loop stringing lines on the free section.
Furthermore, the end part of the anchor cable is provided with a guide cap.
Furthermore, the bottom of the guide cap is provided with a sediment section.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
1) the integral anti-slip capability of the side slope is improved; 2) the steel pipe pile is not pulled out, so that the problems of difficult hole forming, hole collapse, hole shrinkage and the like of the anchor cable are solved; the disturbance of the hole-forming pipe follower on the side slope due to pulling out is reduced; measures for following the pipe are reduced; 3) the defects that the anchor cable is used for reinforcing the high slope and sufficient anti-sliding support cannot be provided in the construction process are effectively overcome, and the occurrence of engineering landslide is reduced; 4) the novel steel pipe pile and anchor cable combined structure with rigidity and flexibility is adopted to replace an anchor cable frame beam structure which is mainly used for pure flexible protection and adopted by the original high slope, so that the construction disturbance to the high slope is reduced, the slope sliding damage in the process of pure anchor cable construction is effectively reduced, the safety of the slope is increased, the durability of the engineering is improved, and the later maintenance frequency is reduced; 5) the construction period is effectively saved, and the construction cost of the whole side slope is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a steel pipe pile and anchor cable combined supporting structure provided by the utility model;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 1;
icon: 1-steel pipe pile, 11-steel backing plate, 2-anchor rope, 21-free section, 22-anchoring section, 3-frame beam, 31-wedge-shaped cushion block, 32-sealing anchor, 33-anchorage device, 34-anchor plate, 35-slope line, 41-ring frame line, 42-hoop tightening ring, 43-grout, 44-guide cap, 45-sediment section, 46-drilling hole, 51-grouting pipe and 52-casing pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
A steel pipe pile and anchor cable combined supporting structure comprises a steel pipe pile 1, an anchor cable 2 and a fixing table, wherein the anchor cable 2 penetrates through the steel pipe pile 1 and the anchor cable 2 comprises a free section 21 and an anchoring section 22, the steel pipe pile 1 only wraps the free section 21 of the anchor cable 2, the top of the free section 21 of the anchor cable 2 and the top of the steel pipe pile 1 are fixed through the fixing table, the strength of a surface layer side slope is enhanced by using the steel pipe pile 1, and the supporting strength of the whole supporting structure to the side slope is enhanced by using the anchor cable 2; the supporting structure of rigid-flexible combination is achieved, construction disturbance to a high slope is reduced, slope sliding damage in the construction process of simply adopting the anchor cable 2 is effectively reduced, the safety degree of the slope is increased, the durability of the engineering is improved, and the later maintenance frequency is reduced.
Further, the steel-pipe pile 1 is equipped with a plurality of play thick liquid 43 holes, fixes the steel-pipe pile 1 on the side slope through going out thick liquid 43 holes, and the free section of anchor rope 2 is equipped with a plurality of loop frame lines 41, and anchor section 22 is equipped with a plurality of loop frame lines 41 and a plurality of clamp ring 42 in turn, and the interval between the adjacent loop frame line 41 on anchor section 22 is less than the interval between the adjacent loop frame line 41 on the free section, and is listed as: the anchoring section 22 stringing ring and the tightening ring 42 are arranged at intervals of 0.75 m; the free section 21 is provided with a stringing ring at intervals of 2m to ensure that the steel strand is straight, in order to ensure the strength of the anchor cable 2, the free section is generally formed by twisting 6 steel strands of 1860MPa, the length of the anchor cable 2 is determined according to the actual slope detection depth, the anchoring section 22 is anchored in bedrock to be no less than 2m, and in order to ensure that the anchor cable 2 passing through the steel pipe pile 1 cannot be blocked by the drill hole 46, the end part of the anchor cable 2 is also provided with a guide cap 44 to ensure that the anchor cable 2 is smoothly anchored, the guide cap 44 can be bent and welded by a phi 8 steel bar and wound by a No. 8 iron wire, and further, the bottom of the guide cap 44 is provided with a sediment section 45 to ensure that the falling rock soil on the wall of the drill hole 46 cannot cause certain influence on the grouting 43.
Further, the top of the steel pipe pile 1 is fixedly connected with a steel backing plate 11, the steel backing plate 11 is arranged inside the fixed platform, and specifically, the steel backing plate 11 is arranged in the frame beam 3; the fixing table comprises a frame beam 3 and a wedge-shaped cushion block 31 arranged on the frame beam 3, a sleeve 52 for a grouting pipe 51 and an anchor rope 2 to pass through is arranged in the frame beam 3 and the wedge-shaped cushion block 31, an anchorage device 33 is arranged in the frame beam 3 and the wedge-shaped cushion block 31, and the frame beam 3 is arranged below an excavation slope surface line 35; the anchor cables 2 are fixed on the wedge-shaped cushion blocks 31 through anchor plates 34 after penetrating through the anchorage devices 33, wherein the design of each single anchor cable 2 pre-loads a locking load of 860 kN; the grouting pipe 51 is used for grouting 43, wherein the pressure of the grouting 43 is 0.6-0.8 MPa, and the material of the grouting 43 is cement mortar 43. After the anchor cable 2 is tensioned and locked, the grouting 43 needs to be supplemented from the grouting 43 hole on the steel backing plate 11, and then the anchor 32 is sealed; the sealing anchor 32 is made of C25 concrete, the thickness of the net protective layer is not less than 35mm, and the supporting structure is prevented from being corroded by rainwater.
It should be noted that the anchor cable 2 and the steel pipe pile 1 may be subjected to rust prevention treatment before grouting 43, and the rust prevention method is not limited.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a steel-pipe pile anchor rope combination supporting construction which characterized in that: the anchor cable penetrates through the steel pipe pile and comprises a free section and an anchoring section, the steel pipe pile only wraps the free section of the anchor cable, and the top of the free section of the anchor cable and the top of the steel pipe pile are fixed through the fixing table.
2. The steel pipe pile-anchor cable combined supporting structure as claimed in claim 1, wherein the steel pipe pile is provided with a plurality of grout outlet holes.
3. The steel pipe pile-anchor cable combined supporting structure as claimed in claim 1, wherein a steel shim plate is fixedly connected to the top of the steel pipe pile, and the steel shim plate is arranged inside the fixing table.
4. The steel pipe pile-anchor cable combined supporting structure of claim 1, wherein the fixing table comprises a frame beam and a wedge-shaped cushion block arranged on the frame beam, sleeve pipes for grouting pipes and anchor cables to pass through are arranged in the frame beam and the wedge-shaped cushion block, an anchor device is arranged in the frame beam and the wedge-shaped cushion block, and the anchor cables are fixed on the wedge-shaped cushion block through anchor plates after passing through the anchor device.
5. The steel pipe pile-anchor cable composite supporting structure of claim 1, wherein the anchor cable is provided with a plurality of tightening rings and a plurality of ring stringing.
6. The steel pipe pile-anchor cable composite supporting structure of claim 5, wherein the free section of the anchor cable is provided with a plurality of loop strands, the anchoring section is alternately provided with a plurality of loop strands and a plurality of hoop rings, and the distance between adjacent loop strands on the anchoring section is smaller than the distance between adjacent loop strands on the free section.
7. The steel pipe pile-anchor cable composite support structure of claim 1, wherein a guide cap is provided at an end of the anchor cable.
8. The steel pipe pile-anchor cable combined supporting structure of claim 7, wherein the bottom of the guide cap is provided with a sediment section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023170563.5U CN214033757U (en) | 2020-12-23 | 2020-12-23 | Steel-pipe pile anchor rope combination supporting construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023170563.5U CN214033757U (en) | 2020-12-23 | 2020-12-23 | Steel-pipe pile anchor rope combination supporting construction |
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| CN214033757U true CN214033757U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023170563.5U Active CN214033757U (en) | 2020-12-23 | 2020-12-23 | Steel-pipe pile anchor rope combination supporting construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117345309A (en) * | 2023-12-05 | 2024-01-05 | 矿冶科技集团有限公司 | Shear-resistant prestress anchor cable |
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2020
- 2020-12-23 CN CN202023170563.5U patent/CN214033757U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117345309A (en) * | 2023-12-05 | 2024-01-05 | 矿冶科技集团有限公司 | Shear-resistant prestress anchor cable |
| CN117345309B (en) * | 2023-12-05 | 2024-02-20 | 矿冶科技集团有限公司 | Shear-resistant prestress anchor cable |
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