CN210827509U - Protective structure of side slope inverted suspension body - Google Patents

Protective structure of side slope inverted suspension body Download PDF

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Publication number
CN210827509U
CN210827509U CN201921651363.6U CN201921651363U CN210827509U CN 210827509 U CN210827509 U CN 210827509U CN 201921651363 U CN201921651363 U CN 201921651363U CN 210827509 U CN210827509 U CN 210827509U
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stock
slope
inverted suspension
rock mass
concrete support
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CN201921651363.6U
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Inventor
谭超
马金根
胡亚东
王能峰
杜潇翔
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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Abstract

The utility model discloses a protective structure of side slope back-hanging body, including setting up the stock in the back-hanging body both sides and penetrating female rock mass, it has steel strand wires even to lie in between the outer section that exposes of female rock mass, and steel strand wires stretch tightly and closely laminate along back-hanging body waist outer wall, still is provided with the belt wheel reinforcing bar between the adjacent steel strand wires, still supports the mound including setting up the concrete in the back-hanging body below female rock mass concave cavity, and the stock in the slope is installed to female rock mass concave cavity slope inboard, and the basement stock is installed to female rock mass concave cavity bottom, and the section that exposes of stock and basement stock all is connected with the steel bar in the concrete support mound in the slope. The utility model discloses a side slope inverted suspension protective structure through set up the stock in the inverted suspension both sides and fix the inverted suspension waist and set up the mode that the concrete support mound carries out the support to the inverted suspension below the inverted suspension, can not produce the vibration to the inverted suspension and destroy, has played and has consolidated the inverted suspension, prevents the effect of the further deformation of the inverted suspension.

Description

Protective structure of side slope inverted suspension body
Technical Field
The utility model relates to a side slope engineering field, concretely relates to protective structure of side slope back-hanging body.
Background
In the southwest high mountain canyon area, the terrain is steep, cracks develop, the weathering and unloading of rock mass are strong, the rock mass has unique natural environment landscape, and the geological disasters such as landslide, collapse, debris flow and the like are frequently caused, so that the life and property safety of traffic, buildings and personnel is seriously threatened. Particularly, in water conservancy and hydropower engineering, because the high slope opening line is long and the position is extremely high, the human engineering activity is strong, and a large amount of potential unstable bodies are generated. The side slope inverted suspension is one of the protruding side slope inverted suspensions, the lower part of the side slope inverted suspension is hollow, the middle upper part of the side slope inverted suspension protrudes mother rocks, the distribution position is high, no traffic road passes, large-scale supporting equipment cannot carry out construction operation, and blasting operation cannot meet safety requirements under the influence of the surrounding construction environment, particularly the lower part construction environment.
At present, the commonly used treatment scheme for the side slope inverted suspension body comprises the following steps: (1) the active net and the passive net are adopted for protection, but for a large-scale inverted suspension body, due to the fact that the weight is large and the impact force after falling is large, the active net and the passive net are difficult to meet the protection requirement, and great safety risk is brought to a harmful object; (2) adopt the stock technique openly to pass the body of dangling and administer, but the vibration destruction to the body of dangling itself is very big at stock drilling process, and produced vibration will make the crack of the body of dangling further enlarge, develop, destroys the rock mass structure of the body of dangling, reduces the stability of the body of dangling, and the body of dangling wholly or the local production of dangling even in the drilling falls and destroys, has very big safety risk to construction operation personnel and harm object.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the initiative net and the passive net protective structure of current side slope back-hanging body are difficult to satisfy the protection requirement to large-scale back-hanging body, and the technique that the stock openly passed the back-hanging body then destroys greatly back-hanging body itself, produce the destruction of falling easily in the drilling, aim at provides a side slope back-hanging body's protective structure, fix back-hanging body waist through setting up the stock in back-hanging body both sides, and set up the mode that the concrete support mound carries out the support to the back-hanging body at back-hanging body below cavity, can not produce the vibration to the back-hanging body and destroy, the reinforcement back-hanging body has been played, prevent the effect of back-hanging body further deformation, construction safety risk is little, it is effectual to back-hanging body treatment.
The utility model discloses a following technical scheme realizes:
the utility model relates to a protective structure of side slope back-hanging body, including the positive stock that sets up perpendicularly in back-hanging body both sides and penetrate female rock mass, it even has steel strand wires to lie in between the outer section that exposes of female rock mass, and steel strand wires stretch tightly and closely laminate along back-hanging body waist outer wall, still is provided with the belt wheel reinforcing bar between the adjacent steel strand wires, still supports the mound including setting up the concrete in the back-hanging body below female rock mass concave cavity, and the stock in the slope is installed to female rock mass concave cavity slope inboard, and the basement stock is installed to female rock mass concave cavity bottom, and the section that exposes of stock and basement stock all supports the bar structural connection in the mound with the concrete in the slope.
The utility model discloses a side slope inverted suspension protective structure through set up the stock in the inverted suspension both sides and fix the inverted suspension waist through steel strand wires and set up the mode that the concrete support mound carries out the support to the inverted suspension below the cavity, can not produce the vibration to the inverted suspension and destroy, has played and has consolidated the inverted suspension, prevents the effect of further deformation of the inverted suspension, and construction safety risk is little, and is effectual to the inverted suspension improvement. The utility model discloses a protective structure, at first, set up the stock respectively at the mother rock body of the both sides of the waist of the inverted suspension body, namely the stock wears to establish on the mother rock body, in the process of wearing to establish of stock, can not vibrate the body of the inverted suspension body itself and cause the destruction, then enclose on the outer wall of the inverted suspension body and fix through the stock of both sides through the steel strand wires to rely on the withdrawal resistance of stock, consolidate the inverted suspension body through the steel strand wires, prevent the further deformation of the inverted suspension body; secondly, set up concrete support mound in the below cavity of the body of overhanging, can play the effect of supporting the body of overhanging in the below, carry out horizontal direction reinforcement and concrete support mound and carry out the reinforced combination of vertical direction in the body of overhanging below to the body of overhanging itself through stock and steel strand wires promptly, not only can great improvement to the reinforcement of the body of overhanging, prevent its deformation, protective structure installation can not cause the body of overhanging vibration simultaneously, construction safety, it is effectual to the body of overhanging improvement. The concrete support pier can be well fixed by the anchor rods in the slope and the base anchor rods.
The anchor rod, the anchor rod in the slope and the anchor section of basement stock all pass the strong off-load boundary line of mother's rock mass to can guarantee that the stock has sufficient withdrawal resistance.
Wear to be equipped with the belt wheel reinforcing bar between two adjacent steel strands from top to bottom, wear to establish on the steel strand with the annular at reinforcing bar both ends to utilize the rope clip to fix the annular on the steel strand position, its atress of adjustment steel strand is for restricting the distance between two adjacent steel strands, avoids many steel strands to produce obvious vertical displacement when the atress.
Be equipped with a plurality of drain pipes in the concrete support mound, on the drain pipe tip passed concrete support mound to mother's rock body cavity wall, can discharge the crack water in the slope.
The active net is laid between the steel strand and the outer wall of the inverted suspension body, so that small falling rocks outside the inverted suspension body can be protected, and a better protection effect is obtained.
Still including the concrete piece of packing in the crack of overhang top, can avoid the rainwater to infiltrate after packing the crack and soften the structural plane and further enlarge the crack, improve the overhang stability.
Can be according to the cantilever weight, length and stability will the concrete support mound sets up to single concrete support mound or a plurality of independent concrete support mounds, and the top surface of concrete support mound adopts the inflation concrete when pouring, ensures that concrete support mound top surface and each position of mother rock body cavity top surface contact completely, avoids producing the space, influences the supporting effect of concrete support mound to the cantilever.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a protective structure of side slope inverted suspension, through set up the stock in the both sides of inverted suspension and fix the waist of inverted suspension through the steel strand wires, and set up the concrete support mound in the cavity below the inverted suspension and support the mode of supporting the inverted suspension, can not produce the vibration to the inverted suspension and destroy, played the reinforcement inverted suspension, prevented the effect that the inverted suspension further warp, the construction safety risk is little, it is effectual to the treatment of inverted suspension;
2. the utility model relates to a protective structure of side slope inverted suspension body, the anchor section of stock, stock in the slope and basement stock all pass the strong off-load boundary line of mother rock body to can guarantee that the stock has sufficient withdrawal resistance, be equipped with a plurality of drain pipes in the concrete support mound, the drain pipe tip passes the concrete support mound to mother rock body cavity wall, can discharge the crack water in the slope;
3. the utility model relates to a protective structure of side slope back-hanging body wears to be equipped with the belt wheel reinforcing bar between two adjacent steel strands from top to bottom, wears to establish on the steel strand with the annular at reinforcing bar both ends to utilize the rope clip to fix the annular on steel strand position, its effect is the distance between two adjacent steel strands of restriction, and the atress of adjustment steel strand avoids many steel strand to produce obvious vertical displacement when the atress.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a schematic side view of the present invention.
Reference numbers and corresponding part names in the drawings:
1-mother rock mass, 2-inverted suspension body, 3-mother rock mass cavity, 4-steel strand, 5-anchor rod, 6-ring steel bar, 7-crack, 8-anchor rod in slope, 9-base anchor rod, 10-drain pipe, 11-concrete support pier, 12-concrete block and 13-strong unloading boundary line.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in fig. 1 and 2, the utility model relates to a protective structure of side slope back-overhang body, including openly setting up perpendicular stock 5 in back-overhang body 2 both sides and penetrating female rock mass 1, both sides stock 5 is located and has steel strand wires 4 between the section that exposes outside the female rock mass 1, steel strand wires 4 tighten and closely laminate along 2 waist outer walls of back-overhang body, still be provided with belt wheel reinforcing bar 6 between the adjacent steel strand wires 4, still including setting up the concrete support mound 11 in 2 below female rock mass cavities 3 of back-overhang body, 3 slope inboard slope interior stock 8 of female rock mass cavity are installed to the slope inboard, basement stock 9 is installed to 3 bottoms of female rock mass cavities, the section that exposes of stock 8 and basement stock 9 in the slope all with the steel bar structural connection in the concrete support mound 11.
The utility model discloses a side slope inverted suspension protective structure through set up the stock in the inverted suspension both sides and fix the inverted suspension waist through steel strand wires and set up the mode that the concrete support mound carries out the support to the inverted suspension below the cavity, can not produce the vibration to the inverted suspension and destroy, has played and has consolidated the inverted suspension, prevents the effect of further deformation of the inverted suspension, and construction safety risk is little, and is effectual to the inverted suspension improvement. The utility model discloses a protective structure, at first, set up the stock respectively at the mother rock body of the both sides of the waist of the inverted suspension body, namely the stock wears to establish on the mother rock body, in the process of wearing to establish of stock, can not vibrate the body of the inverted suspension body itself and cause the destruction, then enclose on the outer wall of the inverted suspension body and fix through the stock of both sides through the steel strand wires to rely on the withdrawal resistance of stock, consolidate the inverted suspension body through the steel strand wires, prevent the further deformation of the inverted suspension body; secondly, set up concrete support mound in the below cavity of the body of overhanging, can play the effect of supporting the body of overhanging in the below, carry out horizontal direction reinforcement and concrete support mound and carry out the reinforced combination of vertical direction in the body of overhanging below to the body of overhanging itself through stock and steel strand wires promptly, not only can great improvement to the reinforcement of the body of overhanging, prevent its deformation, protective structure installation can not cause the body of overhanging vibration simultaneously, construction safety, it is effectual to the body of overhanging improvement. The concrete support pier can be well fixed by the anchor rods in the slope and the base anchor rods.
Preferably, the anchor rod in the slope and the anchoring section of the substrate anchor rod all pass through the strong unloading boundary line 13 of the mother rock body, so that the anchor rod can be ensured to have enough withdrawal resistance.
Preferably, wear to be equipped with belt wheel reinforcing bar 6 between two adjacent steel strands from top to bottom, wear to establish the annular at reinforcing bar both ends on the steel strand to utilize the rope clip to fix the annular on the steel strand position, its atress of adjustment steel strand is for limiting the distance between two adjacent steel strands, avoids many steel strands to produce obvious vertical displacement when the atress.
Preferably, a plurality of drain pipes 10 are arranged in the concrete support pier, and the end parts of the drain pipes penetrate through the concrete support pier to the cavity wall of the mother rock body, so that water in cracks in the slope can be drained.
Preferably, an active net is laid between the steel strand and the outer wall of the inverted suspension body, so that small falling rocks outside the inverted suspension body can be protected, and a better protection effect is achieved.
Preferably, the concrete block 12 is filled in the crack 7 at the top of the inverted suspension body, and after the crack is filled, rainwater can be prevented from infiltrating and softening the structural surface to further enlarge the crack, so that the stability of the inverted suspension body is improved.
Preferably, the concrete support piers 11 are set to be single concrete support piers 11 or a plurality of independent concrete support piers 11 according to the weight, the length and the stability of the inverted suspension body 2, the top surfaces of the concrete support piers 11 adopt expansive concrete during pouring, the top surfaces of the concrete support piers 11 are ensured to be in complete contact with all parts of the top surface of the mother rock body cavity 3, gaps are avoided, and the supporting effect of the concrete support piers 11 on the inverted suspension body 2 is influenced.
The utility model discloses protective structure's mounting method as follows: (1) determining anchor rod hole positions on two sides of the waist of the inverted suspension body, installing anchor rods, enabling anchor rod anchoring sections to penetrate through a strong unloading boundary line for a certain depth, reserving enough length for exposed sections to be connected with steel strands, and performing tensioning detection after anchor rod construction is completed to ensure that the anchor rods are installed qualified; (2) fixedly connecting one end of each steel strand with each anchor rod on the same side of the inverted suspension body, and respectively penetrating two ends of the ring-shaped steel bar into two adjacent steel strands; temporarily fixing the other end of each steel strand with each anchor rod corresponding to the other side of the inverted suspension body, adjusting the positions of the steel strands and the ring-shaped steel bars at the waist of the inverted suspension body, adjusting the steel strands to the optimal stress position, and limiting the distance between two adjacent steel strands through the ring-shaped steel bars, so that the steel strands can be stressed well, vertical displacement of the steel strands during stress can be avoided, straightening the steel strands, fixedly connecting the other ends of the steel strands with the anchor rods corresponding to the other side of the inverted suspension body, fixing the two ends of the ring-shaped steel bars on the steel strands through rope clamps, and avoiding the ring-shaped steel bars from sliding randomly on the steel strands; (3) cleaning fillers such as branches, miscellaneous soil, broken stones and the like in the cracks at the top of the inverted suspension body, and selecting proper grouting materials and grouting processes according to the sizes and development forms of the cracks to perform grouting until the whole cracks are filled with grout; (4) cleaning loose rock masses on the inner side and the top of the concave cavity slope of the mother rock mass, and cleaning loose rock masses, branches, miscellaneous soil and broken stones at the bottom of the concave cavity of the mother rock mass; (5) determining the hole position of an anchor rod in the slope on the inner side of the concave cavity slope of the parent rock mass, installing an anchor rod in the slope, enabling the anchoring section of the anchor rod in the slope to penetrate through a strong unloading boundary line for a certain depth, reserving enough length for the exposed section to be connected with a steel bar structure in a concrete support pier, and performing tensioning detection after the construction of the anchor rod in the slope is finished to ensure that the anchor rod in the slope is installed qualified; (6) determining a base anchor rod hole position at the bottom of the concave cavity of the parent rock mass, installing the base anchor rod, enabling an anchoring section of the base anchor rod to penetrate through a strong unloading boundary line for a certain depth, reserving enough length for an exposed section to be connected with a steel bar structure in the concrete support pier, and performing tension detection after the construction of the base anchor rod to ensure that the base anchor rod is installed qualified; (7) cleaning all parts of the concave cavity of the parent rock body, binding and installing a steel bar structure in a concrete support pier, connecting the exposed sections of the anchor rod in the slope and the anchor rod of the base with the steel bar structure, and installing a drain pipe at the bottom of the concave cavity; (8) and (4) building concrete support pier pouring templates on two side surfaces and the outer side of the cavity of the mother rock body, and pouring the concrete support piers.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides a protective structure of side slope back-hanging body, a serial communication port, including openly perpendicular set up stock (5) in back-hanging body (2) both sides and penetrating female rock mass (1), both sides stock (5) are located and have steel strand wires (4) between the outer section that exposes of female rock mass (1), steel strand wires (4) are tightened and closely laminate along back-hanging body (2) waist outer wall, still including setting up concrete support mound (11) in back-hanging body (2) below female rock mass cavity (3), anchor rod (8) in the slope are installed to female rock mass cavity (3) slope inboard, basement stock (9) are installed to female rock mass cavity (3) bottom, the section that exposes of stock (8) and basement stock (9) all with the steel bar structural connection in concrete support mound (11) in the slope.
2. A protection structure of a side slope inverted suspension body according to claim 1, characterized in that the anchoring sections of the anchor rod (5), the anchor rod (8) in the side slope and the base anchor rod (9) all pass through the strong unloading boundary line (13) of the mother rock body (1).
3. A slope inverted suspension protection structure according to claim 1, wherein a ring-shaped steel bar (6) is arranged between two adjacent steel strands (4).
4. A protective structure for side slope inverted suspension according to claim 1, wherein a plurality of drainage pipes (10) are arranged in the concrete support pier (11), and the end of the drainage pipe (10) passes through the concrete support pier (11) to the wall of the cavity (3) of the mother rock.
5. The slope inverted suspension protection structure according to claim 1, wherein an active net is laid between the steel strand (4) and the outer wall of the inverted suspension (2).
6. A slope fall protection arrangement according to claim 1, further comprising concrete blocks (12) packed in the top cracks (7) of the fall (2).
CN201921651363.6U 2019-09-29 2019-09-29 Protective structure of side slope inverted suspension body Active CN210827509U (en)

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CN201921651363.6U CN210827509U (en) 2019-09-29 2019-09-29 Protective structure of side slope inverted suspension body

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110565664A (en) * 2019-09-29 2019-12-13 中国电建集团成都勘测设计研究院有限公司 Protective structure and treatment method for side slope inverted suspension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110565664A (en) * 2019-09-29 2019-12-13 中国电建集团成都勘测设计研究院有限公司 Protective structure and treatment method for side slope inverted suspension

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