CN212294686U - Vertical-rotation horizontal bidirectional constraint anchor-pulling pile supporting structure - Google Patents

Vertical-rotation horizontal bidirectional constraint anchor-pulling pile supporting structure Download PDF

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CN212294686U
CN212294686U CN202021831270.4U CN202021831270U CN212294686U CN 212294686 U CN212294686 U CN 212294686U CN 202021831270 U CN202021831270 U CN 202021831270U CN 212294686 U CN212294686 U CN 212294686U
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anchor
pile
bracket
slide
rope
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干飞
李美霖
郑刚
杨军
肖杨
张毅
毕靖
王超林
曹腾
孟宝华
叶晓明
阴可
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Guizhou University
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Guizhou University
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Abstract

The utility model discloses a erect and change horizontal two-way restraint anchor and draw stake supporting construction, including a plurality of slide-resistant piles that just vertical or slant set up side by side, the slide-resistant pile top all is provided with back timber and bracket, all establish baffle between the stake between two adjacent slide-resistant piles, the bracket top is provided with first anchor rope, the one end of first anchor rope is connected with the top of bracket through first anchor head, be equipped with the anchor rope on the bracket and turn to the device, the anchor rope turns to the one end and first anchor rope one end fixed connection of device, the anchor rope turns to the other end of device and the one end fixed connection of second anchor rope, the other end of second anchor rope is fixed in the front side of slide-resistant pile through the second anchor head. The anchor cable of the anchor cable steering device provides vertical constraint and horizontal constraint simultaneously, the function of supporting of anchor-pull piles is achieved, the first anchor cable and the fulcrum of the steering device act on bracket vertical load to provide anti-overturning bending moment of the anti-slide pile top, deformation of the pile top can be strictly controlled, supporting cost is reduced, reliability of a supporting structure system is improved, and the anchor cable steering device is convenient to popularize and apply.

Description

Vertical-rotation horizontal bidirectional constraint anchor-pulling pile supporting structure
Technical Field
The utility model relates to a foundation ditch, side slope support technical field especially relate to a erect and change horizontal two-way restraint anchor and draw a supporting construction.
Background
The traditional anchor pile plate retaining wall anchor cable occupies a large horizontal space, so that the red line of the land where most anchor cables are used for project is a common phenomenon, the risk that the existing anchor cables are possibly damaged exists in the later development and construction of the connected land blocks, and the safety of the supported structure is influenced. The existing local government has been regulated in plain text to prohibit anchor cables and anchor rods from exceeding the land red line. This paper provides a perpendicular two-way restraint anchor pile supporting construction that changes violently, the function of the strut of anchor pile has been realized, the uncontrollable risk in anchor rope red line later stage has been avoided, first anchor rope and the vertical load of the fulcrum effect bracket of turning to the device provide the antidumping pile top bending moment, can reduce cross sectional dimension and arrangement of reinforcement with cantilever pile, can the deformation of strict control pile top, reduce the supporting cost, the reliability of supporting construction system has been improved, this supporting construction facilitate promotion and application.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a vertical rotation horizontal two-way restraint anchor pile supporting construction and construction method are provided, make full use of anchor structure's advantage, the pile bolck sets up the bracket, set up first anchor rope on the bracket, turn to the device through the anchor rope and provide horizontal anchor for the fulcrum with first anchor rope, realize two-way restraint, first anchor rope applys prestressing force to the bracket and provides pile bolck overturning moment, the second anchor rope provides the horizontal restraint power, can the deformation of close-check pile bolck, but the pile interval greatly increased, the reliability of supporting construction system has been improved.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a vertical-rotation and horizontal-rotation bidirectional constraint anchor pile supporting structure comprises a plurality of parallel and vertical or oblique anti-slide piles, wherein the lower ends of the anti-slide piles are embedded in a stable foundation rock below a foundation pit bottom, the tops of the anti-slide piles are provided with top beams and brackets, the brackets are arranged on the rear sides of the tops of the anti-slide piles, adjacent two anti-slide piles are provided with inter-pile baffles, the brackets are far away from the top of one end of the anti-slide piles, first anchor cables are arranged at the tops of the ends of the first anchor cables, one ends of the first anchor cables are fixedly connected with the tops of the brackets and are used for applying prestress loads to the brackets, the other ends of the first anchor cables are used for anchoring in the stable foundation rock for anchoring ends, anchor cable steering devices are arranged on the brackets, one ends of the anchor steering devices and the first anchor cables are fixedly connected with one ends of the first anchor heads, and the first anchor heads are arranged on the brackets as fulcrums, the other end of the anchor cable steering device is fixedly connected with one end of a second anchor cable, and the other end of the second anchor cable is fixed to the front side of the slide-resistant pile through a second anchor head.
The utility model has the advantages that: set up the bracket with slide-resistant pile bolck, the assigned position sets up first anchor rope on the bracket, turn to the device through the anchor rope and set up the second anchor rope, make full use of anchor rope high strength and the advantage of initiative atress, first anchor rope provides the load and provides the antidumping moment to slide-resistant pile bolck, the second anchor rope provides horizontal restraint load, the soil pressure behind the balanced partial pile, but slide-resistant pile interval greatly increased, the slide-resistant pile quantity greatly reduces, the cross-section and the arrangement of reinforcement of slide-resistant pile have greatly reduced, the cost and the construction degree of difficulty of excavation supporting have been reduced, construction cycle has been shortened, the reliability of supporting construction system has been improved.
Furthermore, the anchor cable steering device comprises a saddle-shaped I-shaped steel beam, a first anchor device, a second anchor device, a support and a steel backing plate, wherein the outer side surface of the saddle-shaped I-shaped steel beam is fixedly arranged at the top of the bracket through the support, the first anchor device and the second anchor device are respectively fixedly arranged at two ends of the saddle-shaped I-shaped steel beam, one end of the saddle-shaped I-shaped steel beam is fixedly connected with one end of the first anchor cable through the second anchor device, the second anchor device is arranged on the first anchor head, and the steel backing plate is arranged between the second anchor device and the first anchor head; the other end of the saddle-shaped steel I-beam is fixedly connected with one end of the second anchor cable through the first anchorage device.
The beneficial effect of adopting the further scheme is that: vertical and horizontal restraint of the top of the anti-slide pile is achieved through the anchor rope steering device.
Further, the included angle between the first anchor cable and the horizontal direction is alpha, wherein the value of alpha is 60-80 degrees.
The beneficial effect of adopting the further scheme is that: (1) the larger the angle alpha is, the smaller the horizontal space occupied by the first anchor cable is, and the smaller the possibility of avoiding the red line of the first anchor cable is. (2) The value of alpha is 60-80 degrees, which not only can improve a certain horizontal resistance, but also can provide an anti-overturning moment on the pile top of the anti-slide pile.
Further, the distance between the second anchor head and the top of the slide-resistant pile is more than or equal to 1m, the included angle between the second anchor cable and the horizontal direction is beta, and the value of beta is 10-30 degrees.
The beneficial effect of adopting the further scheme is that: (1) the value of beta is 10-30 degrees, the second anchor cable provides large horizontal tension, and (2) the vertical load at the bottom of the pile is reduced, and the requirement of the bearing capacity of the foundation is lowered.
Furthermore, the tension of the second anchor cable on the saddle-shaped I-shaped steel beam is F1The tension of the first anchor cable to the saddle-shaped steel I-beam is L2The distance from the first anchorage device to the support is L1The distance between the second anchorage device and the support is L2In which F is1、F2The relation is required to be satisfied: f1*L1=F2*L2、F1*cosβ=F2*sinα。
The beneficial effect of adopting the further scheme is that: (1) by adjusting L1、L2Satisfies equation F1*L1=F2*L2So that the horizontal resultant force of the fulcrums of the anchor cable steering device is zero; (2) satisfies equation F1*cosβ=F2Sin alpha enables the pivot bending moment of the anchor cable steering device to be zero; (3) and meanwhile, two equations are satisfied, so that the pivot bending moment and the horizontal resultant force of the anchor cable steering device are zero, only the vertical load is provided, and the vertical load provides the overturning moment for the pile top of the slide-resistant pile, thereby being beneficial to supporting structures.
Further, the anti-slide piles and the brackets are made of reinforced concrete or steel.
The beneficial effect of adopting the further scheme is that: (1) the anti-slide pile and the bracket are made of reinforced concrete, and the integrity and the rigidity are good, (2) the anti-slide pile and the bracket are made of steel structures, so that the anchor cable conversion device is conveniently connected with the bracket and can be welded and connected with the bracket through bolts.
The utility model also discloses a construction method of perpendicular horizontal two-way restraint anchor pile supporting construction that changes, including following step:
step one, constructing an anti-slide pile: determining the position of the slide-resistant pile, and constructing the slide-resistant pile at the designated position in a static pressure or drilling hole insertion or drilling hole concrete pouring mode;
step two, constructing a pile top bracket: arranging a top beam and a bracket between two adjacent anti-slide piles, and reserving a position for arranging an anchor cable steering device on the bracket;
step three, after the anti-slide piles and the brackets reach the designed strength, constructing a first anchor cable and a first anchor head, after the mortar at the anchoring end of the first anchor cable reaches the designed strength, installing an anchor cable steering device on the brackets, and fixedly connecting one end of the first anchor cable, which is far away from the anchoring end, with one end of the anchor cable steering device for tensioning and locking the first anchor cable so as to increase the overturning moment;
excavating soil in front of the pile, controlling the depth to be about 2-2.5 meters, constructing a second anchor cable and a second anchor head, fixing one end of the second anchor cable on the side wall of the front side of the slide-resistant pile through the second anchor head, fixedly connecting the other end of the second anchor cable with the other end of the anchor cable steering device, and tensioning and locking according to the designed load;
step five, repeating the step one to the step four until all the anti-slide piles, the brackets, the first anchor cables, the second anchor cables, the top beams and the anchor cable steering devices are constructed;
and step six, excavating soil in front of the piles according to a reverse construction method, excavating in sections and in stages, constructing baffles among the piles, and directly finishing excavation of earth and stone of the foundation pit.
The beneficial effect who adopts above-mentioned scheme is: avoid the defect of traditional cantilever pile supporting construction's single-point restraint and the great drawback of horizontal space that conventional anchor pile supporting construction anchor rope occupied, a perpendicular two-way restraint anchor pile supporting construction that changes transversely realizes the multiple spot restraint anchor function, and it is little to occupy horizontal supporting space, the overall stability and the rigidity of supporting construction have been improved, the reliability of retaining structure has been improved, and in excavation supporting, but also partial anchor rope and anchor rope turn to device recycle after basement outer wall backfills, embody the green notion of strutting of the foundation ditch that the country advocated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic connection diagram of the middle bracket, the anchor cable steering device, the first anchor cable and the second anchor cable according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. the foundation pit slope top line 2, the foundation pit slope bottom line 3, the anti-slide pile 4, the top beam 5, the bracket 6, the inter-pile baffle 7, the first anchor cable 8, the second anchor cable 9, the second anchor head 10, the first anchor head 11, the anchor cable steering device 12, the saddle-shaped I-shaped steel beam 13, the first anchor 14, the second anchor 15, the support saddle 16 and the steel backing plate.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example one
As shown in fig. 1, the present embodiment includes a plurality of anti-slide piles 3 arranged side by side and vertically or obliquely, in the present embodiment, after excavation of a foundation pit, a foundation pit side slope top line 1 and a foundation pit side slope bottom line 2 are formed, the foundation pit side slope top line 1 refers to a top line of a side slope, the top of the anti-slide pile 3 is flush with the foundation pit side slope top line 1, the foundation pit side slope bottom line 2 refers to a bottom line of the anti-slide pile 3 leaking out of the ground, that is, a part of the anti-slide pile 3 below the foundation pit side slope bottom line 2 is embedded in a stable foundation rock, a part above the foundation pit side slope bottom line 2 is exposed, the anti-slide pile 3 may be a steel pile, a reinforced concrete pile, or a profile steel concrete pile, the anti-slide pile 3 may be in a rectangular pile, a circular pile or the like shape, the lower end of the anti-slide pile 3 is embedded and fixed in a stable foundation rock below the bottom of the foundation pit, the top of the, the beam support is a alias of the beam support, has the function of a support under a beam in a mixed structure, and has the function of transmitting the force of a beam support to a bearing weight under the beam support in a dispersing way, because the concentrated force on one side is too large, the wall body is easily crushed. ) The bracket 5 can adopt a steel bracket, a reinforced concrete bracket and a steel reinforced concrete bracket, the bracket 5 is arranged at the rear side of the top of the slide-resistant pile 3, an inter-pile baffle 6 is arranged between two adjacent slide-resistant piles 3, the top of one end of the bracket 5 far away from the slide-resistant pile 3 is provided with a first anchor rope 7, one end of the first anchor rope 7 is used for applying prestress load to the bracket 5 through a first anchor head 10 and the top fixed connection of the bracket 5, the other end of the first anchor rope 7 is used for anchoring in stable foundation rock as an anchoring end, the bracket 5 is provided with an anchor rope steering device 11, one end of the anchor rope steering device 11 is fixedly connected with one end of the first anchor head 10 arranged on the bracket 7 by taking the first anchor head 10 as a fulcrum, the other end of the steering device 11 is fixedly connected with one end of a second anchor rope 8, the other end of the second anchor cable 8 is fixed to the front side of the slide-resistant pile 3 through a second anchor head 9.
Preferably, in this embodiment, the anchor cable steering device 11 includes a saddle-shaped i-shaped steel beam 12, a first anchor 13, a second anchor 14, a support 15 and a steel backing plate 16, the outer side surface of the saddle-shaped i-shaped steel beam 12 is fixedly arranged on the top of the bracket 5 through the support 15, the first anchor 13 and the second anchor 14 are respectively fixedly arranged at two ends of the saddle-shaped i-shaped steel beam 12, one end of the saddle-shaped i-shaped steel beam 12 is fixedly connected with one end of the first anchor cable 7 through the second anchor 14, the second anchor 14 is arranged on the first anchor head 10, and the steel backing plate 16 is arranged between the second anchor 14 and the first anchor head 10; the other end of the saddle-shaped steel I-beam 12 is fixedly connected with one end of the second anchor cable 8 through the anchorage device I13. In this embodiment, one end of the bracket 5 is fixedly connected with the pile top of the anti-slide pile 3, in the actual installation process, the anchor hole is reserved at the designated position of the bracket 5 and is reserved on the welded steel bar, so that the reserved hole is not displaced when concrete is poured, a first anchor cable 7 is constructed, the included angle alpha between the first anchor cable 7 and the horizontal direction is 70-80 degrees, and the included angle alpha is 70-80 degrees: (1) the larger the angle α, the smaller the horizontal space occupied by the anchor cable, and the less the possibility of avoiding the first anchor cable 7 from going out of the red line. (2) The value of alpha is 60-80 degrees, which not only can improve a certain horizontal resistance, but also can provide an anti-overturning moment on the pile top of the slide-resistant pile 3. Constructing a first anchor head 10, implanting reinforcing steel bars into a bracket 5 for forming the first anchor head 10, determining the size and reinforcing steel bars of the anchor head with 3 layers of reinforcing steel bar meshes on an extrusion plane according to calculation, pouring high-strength fine stone concrete, installing an anchor rope steering device 11 after mortar at the anchoring section of a first anchor rope 7 reaches design strength, fixing a support 15 at a designated position on the bracket 5 by using anchor bolts, arranging a steel base plate 16 between an anchor device II 14 and the first anchor head 10, and performing tensioning locking according to design load. Wherein the cable rope diverting means 11 is dimensioned in cross-section by design load calculation,is specially produced by manufacturers. Excavating soil before the pile, constructing a second anchor cable 8, connecting one end of the anchor device 13 of the anchor cable steering device 11, fixing the other end of the anchor device on the outer side of the anti-slide pile 3, and tensioning, locking and sealing the anchor according to design load requirements, wherein the included angle beta between the second anchor cable 8 and the horizontal direction is 20-30 degrees, and the included angle beta is 20-30 degrees, and the technical effect is that: (1) the value of beta is 10-30 degrees, the second anchor cable 8 provides large horizontal tension, and (2) the vertical load at the bottom of the 3 anti-slide piles is reduced, and the requirement of the bearing capacity of the foundation is lowered. α and β satisfy a specific algebraic relationship: f1*L1=F2*L2,F1*cosβ=F2Sin α, to be noted, (1) by adjusting L1、L2Satisfies equation F1*L1=F2*L2So that the horizontal resultant force of the fulcrums of the anchor cable steering device 11 is zero; (2) satisfies equation F1*cosβ=F2Sin α makes the pivot bending moment of the anchor cable steering device 11 zero; (3) and meanwhile, two equations are satisfied, so that the pivot bending moment and the horizontal resultant force of the anchor cable steering device 11 are zero, only the vertical load is provided, and the vertical load provides the overturning moment for the pile top of the slide-resistant pile 3, so that the support structure is facilitated. The inter-pile shield 6 is constructed according to the reverse construction method. Vertical and horizontal restraint of the top of the slide-resistant pile 3 is achieved simultaneously through the anchor rope steering device 11.
First anchor rope 7 that 3 tops brackets of slide-resistant pile 5 set up and anchor rope turn to the support 15 of device 11 and all act on the vertical load of 5 upper surfaces of bracket, 3 pile tops of slide-resistant pile provide the antidumping moment, second anchor rope 8 provides the horizontal constraining force, the soil pressure behind the balanced part stake, but make 3 interval greatly increased of slide-resistant pile, 3 quantity of slide-resistant pile greatly reduce, the cost and the construction degree of difficulty of foundation ditch side slope support have been reduced, and the pile top deformation has been strictly controlled, the reliability of supporting structure system has been improved.
The embodiment also discloses a construction method of the vertical-rotation horizontal-constraint anchor-pull pile supporting structure, which comprises the following steps:
step one, constructing an anti-slide pile 3: determining the position of the slide-resistant pile 3, and constructing the slide-resistant pile 3 at the designated position in a static pressure or drilling hole insertion or drilling hole concrete pouring mode;
step two, constructing a pile top bracket 5: arranging a top beam 4 and a bracket 5 between two adjacent anti-slide piles 3, and reserving a position for arranging an anchor cable steering device 11 in the bracket 5;
step three, after the anti-slide piles 3 and the brackets 5 reach the design strength, constructing a first anchor cable 7 and a first anchor head 10, after mortar at the anchoring end of the first anchor cable 7 reaches the design strength, installing an anchor cable steering device 11 on the brackets 5, and fixedly connecting one end of the first anchor cable 7, which is far away from the anchoring end, with one end of the anchor cable steering device 11 for tensioning and locking the first anchor cable 7 so as to increase the overturning moment;
excavating soil in front of the pile, controlling the depth to be about 2-2.5 meters, constructing a second anchor cable 8 and a second anchor head 9, fixing one end of the second anchor cable 8 on the side wall of the front side of the anti-slide pile 3 through the second anchor head 9, fixedly connecting the other end of the second anchor cable 8 with the other end of the anchor cable steering device 11, and tensioning and locking according to the designed load;
step five, repeating the step one to the step four until all the anti-slide piles 3, the brackets 5, the first anchor cables 7, the second anchor cables 8, the top beams 4 and the anchor cable steering devices 11 are constructed;
and step six, excavating soil in front of the piles according to a reverse construction method, excavating in sections and in stages, constructing the baffles 6 between the piles, and directly finishing excavation of earth and stone of the foundation pit.
Through first anchor rope 7 and the second anchor rope 8 that 3 top brackets 5 of slide-resistant pile set up, provide antidumping moment at the pile bolck, second anchor rope 8 provides the horizontal constraining force, and the soil pressure behind the balanced partial pile for 3 intervals greatly increased of slide-resistant pile, 3 quantity of the slide-resistant pile that greatly reduce, the cost and the construction degree of difficulty of foundation ditch side slope support have been reduced, and have strictly controlled the pile bolck and have warp, have improved the reliability of supporting construction system. In the foundation pit support, partial anchor cables and anchor cable steering devices can be recycled after the basement exterior wall is backfilled, and the concept of green foundation pit support advocated by the nation is embodied.
In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. The utility model provides a erect and change horizontal two-way restraint anchor and draw a supporting construction, its characterized in that, includes a plurality of friction pile (3) that just vertical or slant set up side by side, the lower extreme of friction pile (3) is inlayed and is fixed in the stable basement rock below the foundation ditch hole bottom, friction pile (3) top all is provided with back timber (4) and bracket (5), establish bracket (5) the top rear side of friction pile (3), adjacent two all establish between stake baffle (6) between friction pile (3), the top of keeping away from the one end of friction pile (3) is provided with first anchor rope (7) in bracket (5), the one end of first anchor rope (7) through first anchor head (10) with the top fixed connection of bracket (5) is used for right bracket (5) impose the prestressing force load, the other end of first anchor rope (7) is used for the anchor end in stabilizing the basement rock, be equipped with the anchor rope on bracket (5) and turn to device (11), the anchor rope turn to the one end of device (11) with first anchor rope (7) are equipped with the one end fixed connection of first anchor head (10), and with first anchor head (10) are in for the fulcrum setting on bracket (5), the anchor rope turns to the other end of device (11) and the one end fixed connection of second anchor rope (8), the other end of second anchor rope (8) is fixed in through second anchor head (9) the front side of friction pile (3).
2. A vertical-turn transverse-bidirectional-constraint anchor-pulling pile supporting structure as claimed in claim 1, the anchor cable steering device (11) comprises a saddle-shaped I-shaped steel beam (12), a first anchor (13), a second anchor (14), a support (15) and a steel backing plate (16), the outer side surface of the saddle-shaped steel I-beam (12) is fixedly arranged at the top of the bracket (5) through the support (15), the first anchorage device (13) and the second anchorage device (14) are respectively fixedly arranged at two ends of the saddle-shaped I-shaped steel beam (12), one end of the saddle-shaped I-shaped steel beam (12) is fixedly connected with one end of the first anchor cable (7) through the second anchorage device (14), the second anchorage device (14) is arranged on the first anchor head (10), and the steel backing plate (16) is arranged between the second anchorage device (14) and the first anchor head (10); the other end of the saddle-shaped steel I-beam (12) is fixedly connected with one end of the second anchor cable (8) through the first anchorage device (13).
3. The vertical-rotation horizontal-constraint anchor-pulling pile supporting structure as recited in claim 2, wherein the angle between the first anchor cable (7) and the horizontal direction is α, wherein α is 60 ° -80 °.
4. The vertical-rotation transverse bidirectional constraint anchor-pulling pile supporting structure as recited in claim 3, wherein the distance between the second anchor head (9) and the top of the slide-resistant pile (3) is greater than or equal to 1m, the included angle between the second anchor cable (8) and the horizontal direction is β, and the value of β is 10-30 °.
5. A vertical-rotation transverse-bidirectional constraint anchor-pulling pile supporting structure as claimed in claim 4, characterized in that the pulling force of the second anchor cable (8) to the saddle-shaped steel I-beam (12) is F1The tension of the first anchor cable (7) to the saddle-shaped I-shaped steel beam (12) is L2The distance between the first anchorage device (13) and the support (15) is L1The distance between the second anchorage device (14) and the support is L2In which F is1、F2The relation is required to be satisfied: f1*L1=F2*L2、F1*cosβ=F2*sinα。
6. A vertical-rotation horizontal-constraint anchor-pulling pile supporting structure as claimed in any one of claims 1 to 5, wherein the materials of the slide-resistant piles (3) and the corbels (5) are reinforced concrete or steel.
CN202021831270.4U 2020-08-27 2020-08-27 Vertical-rotation horizontal bidirectional constraint anchor-pulling pile supporting structure Active CN212294686U (en)

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CN202021831270.4U CN212294686U (en) 2020-08-27 2020-08-27 Vertical-rotation horizontal bidirectional constraint anchor-pulling pile supporting structure

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Application Number Priority Date Filing Date Title
CN202021831270.4U CN212294686U (en) 2020-08-27 2020-08-27 Vertical-rotation horizontal bidirectional constraint anchor-pulling pile supporting structure

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Publication Number Publication Date
CN212294686U true CN212294686U (en) 2021-01-05

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