CN217923649U - Frame anchor rope anchor cable power spare prestressing force reinforcing and protecting structure - Google Patents

Abstract

The utility model belongs to the technical field of slope reinforcement, specifically relate to a frame anchor rope anchor cable power spare prestressing force reinforcement protective structure. The utility model comprises a slope with more than three levels, a reinforced concrete frame beam unit and a prestressed anchor cable; a plurality of reinforced concrete frame beam units are arranged on the left and right sides of the slope surface of each grade of slope, and a plurality of beams are arranged in each reinforced concrete frame beam unit in an intersecting manner; an anchor cable pore canal is arranged at the intersection point of the beams and is vertical to the slope surface; an anti-cracking spring is arranged on the inner side of each anchor cable hole opening, and a stress force absorber is arranged in the middle of each anchor cable hole passage; the prestressed anchor cable penetrates through the anti-cracking spring and the stress force absorber from top to bottom and is fixed in the anchor cable pore channel; a platform built on a concrete foundation is arranged between the two adjacent slopes. The utility model discloses consolidate the rock (soil) body into wholly, avoid landslide, landslide and collapse the emergence of waiting geological disasters, avoided the easy emergence that forms potential glide plane scheduling problem after the road bed construction simultaneously, reach the stable effect in slope.

Description

Frame anchor rope anchor cable power spare prestressing force reinforcing and protecting structure

Technical Field

The utility model belongs to the technical field of slope reinforcement, specifically relate to a frame anchor rope anchor cable power spare prestressing force reinforcement protective structure.

Background

When side slopes or grooves are used for enclosing, because of steep terrain, dangerous terrain and large slope, gullies at the bottoms of the slopes are developed, road cuts and mountains are used for excavating slope bodies with steep natural slope rates, exposed bedrocks are seriously weathered and loose in structure, and are in half-rock and half-soil shapes locally, so that the slope bodies are easy to soften when meeting water, the strength is reduced, geological disease sections such as landslide, landslide and collapse are easy to occur, part of sections of terranes are consistent with the slope inclination, landslide sections are easy to form, or the slopes are easy to form along the direction of the side slopes after roadbed construction, and potential slip planes exist after penetrating through slope feet from the tops of the slopes.

SUMMERY OF THE UTILITY MODEL

The utility model provides a frame anchor rope anchor cable power spare prestressing force reinforcement protective structure, aim at provides an effectual side slope protective structure to protect the emergence of bad situations such as high slope collapse, landslide, removal to appear.

In order to realize the purpose, the utility model discloses a technical scheme is:

a prestressed reinforcement protection structure of a frame anchor cable anchoring cable force piece comprises a side slope, a plurality of reinforced concrete frame beam units and prestressed anchor cables; the side slope is a side slope with more than three levels; a plurality of reinforced concrete frame beam units are arranged on the left and right sides of the slope surface of each grade of slope, and a plurality of beams are arranged in each reinforced concrete frame beam unit in an intersecting manner; an anchor cable pore canal is arranged at the intersection point of each beam and is vertical to the slope surface; an anti-cracking spring is arranged on the inner side of the port of each anchor cable pore passage; the middle part of each anchor cable pore passage is provided with a stress force eliminator; a prestressed anchor cable is arranged in each anchor cable pore passage, and the prestressed anchor cable respectively penetrates through the anti-cracking spring and the stress force absorber from top to bottom to be fixed in each anchor cable pore passage; a platform is arranged between the upper and lower adjacent two-stage side slopes, and a concrete foundation is arranged below the platform.

The reinforced concrete frame beam unit comprises a plurality of cross beams and a plurality of longitudinal beams; the plurality of cross beams and the plurality of longitudinal beams are all made of reinforced concrete and are vertically arranged to form a plurality of square lattices; an anchor cable pore is formed in each cross point of the cross beam and the longitudinal beam, a pre-stressed anchor cable is arranged in each anchor cable pore, and the top end of each pre-stressed anchor cable is fixed to the cross beam and the longitudinal beam.

Expansion joints are arranged between adjacent reinforced concrete frame beam units, and the width of the expansion joints is 1.8-2.2cm; the expansion joint is internally provided with an anticorrosive filler.

The filler is asphalt bast fiber.

The planting soil or the slope protection undisturbed soil which can be planted is filled in each square lattice, and the vegetation is planted in the filled square lattice.

The prestressed anchor cable comprises an anchorage device, an anchor backing plate, an unbonded anchor cable, a standing ring, a fastening ring, a guide cap and an isolation frame; the upper end of the unbonded anchor cable is fixed at the hole opening of the anchor cable through an anchorage device and an anchor backing plate; the upper part of the unbonded anchor cable is sleeved with a corrugated pipe; the guide cap is arranged at the end head part of the lower end of the prestressed anchor cable; the plurality of erection rings are arranged and are sleeved at the lower part of the unbonded anchor cable at intervals through the isolation frames; and each two spaced standing rings are provided with a fastening ring.

The distance E between the stress force dissipater and the upper end port of the anchor cable pore channel is 1/2-3/4L, wherein L is the length of the anchor cable pore channel where the stress force dissipater is located.

The stress force eliminator comprises a stress reducing spring, a shell expander, two spring fixing rods, two end plates and a fixing piece; the two end plates are arranged in parallel; the stress relief spring is arranged between the two end plates; two ends of the stress reducing spring are respectively fixed on the two end plates; the two spring fixing rods are arranged in the stress reduction spring, and the outer sides of the joints of the two ends of each spring fixing rod and the end plates are fixed through fixing pieces respectively; the shell expander is placed inside the stress relief spring.

The end plate is a circular steel plate, and two connecting holes are symmetrically formed in the plate surface passing through the center line of the end plate; the fixing piece is a nut, threads are arranged at two ends of the spring fixing rod, and the nut is connected to the spring fixing rod through the threads.

The shell expander is a horn-shaped integrated structure which is made of polypropylene materials, wherein the upper part of the shell expander is a cylinder, and the lower part of the shell expander is connected with a plurality of trapezoidal expansion sheets.

Has the advantages that:

(1) The utility model discloses a combined design that a plurality of reinforced concrete frame beam units and prestressed anchorage cable go on, form rock (soil) body reinforcement effectively wholly, avoided the emergence of geology diseases such as landslide, slumping and collapse, easily form in the same direction as the side slope direction to having avoided the subsection terrane to form behind the slope unanimity with the slope stratum simultaneously, can solve from the top of a slope to run through the slope foot and have the not hard up difficult problem of potential glide plane.

(2) The utility model discloses set up stress force absorber in the anchor rope pore, not only effectively reduced the rock mass and pushed the destructive power because of warping great production, effectively subdued stress concentration moreover.

(3) The utility model discloses a set up the spring dead lever in the stress relief device, effectively prevented that the spring from taking place the axial skew to can guarantee freely stretching out and drawing back of spring.

(4) The utility model discloses a set up the shell ware that expands in the stress relief device, because slurry pressure effect, the trapezoidal inflation piece of shell ware that expands outward after the slip casting, makes it strut and reverse opening, supports the cliff department in the anchor rope pore, makes stress relief device, slurry combine the consolidation with the anchor rope pore effectively to form wholly to weaken the loss of anchor rope stress. The structure can effectively release the problem of overlarge stress concentration caused by local instability in the later stage of the rock mass, the anchoring tension is stressed and uniformly distributed again, the rock mass stress concentration and the larger pushing destructive power generated by rock mass deformation are released, the overall stability of the protection body is ensured, and the stability and reliability of the protection body are realized.

(5) The utility model discloses the setting of well vegetation protects the exposed domatic ecology effectively, can effectively realize domatic ecological vegetation's recovery and protection.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention more clear and clear, and to implement the technical solution according to the content of the description, the following detailed description is made of the preferred embodiments of the present invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the vertical structure of the present invention;

FIG. 2 is a schematic longitudinal plan view of F-F in FIG. 1;

FIG. 3 is an enlarged view of the cross point structure of the cross beam and the longitudinal beam of the present invention;

FIG. 4 is a schematic structural diagram of the prestressed anchor cable of the present invention in a use state;

fig. 5 is a schematic structural view of the stress relief device of the present invention;

fig. 6 is a schematic view of the end plate structure of the present invention.

In the figure: 1-a platform; 2-a cross beam; 3-longitudinal beams; 4-vegetation; 5-expansion joint; 6-prestressed anchorage cable; 7-an anchorage device; 8-anchor backing plate; 9-anti-cracking spring; 10-a bellows; 11-a shell expander; 12-a spring fixing rod; 13-unbonded anchor cables; 14-standing ring; 15-a fastening ring; 16-a guide cap; 17-a nut; 18-an end plate; 19-a concrete foundation; 20-stress relief spring.

In the figure; and E is the distance between the stress force eliminator and the upper port of the anchor cable pore channel.

The above description is only an overview of the technical solutions of the present invention, and in order to clearly understand the technical means of the present invention, and to implement the technical means according to the content of the description, the following detailed description is given through preferred embodiments of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-6, the prestressed reinforcement protection structure for the frame anchor cable anchoring cable force member includes a side slope, a plurality of reinforced concrete frame beam units and a prestressed anchor cable 6; the side slope is a side slope with more than three levels; a plurality of reinforced concrete frame beam units are arranged on the left and right sides of the slope surface of each grade of slope, and a plurality of beams are arranged in each reinforced concrete frame beam unit in an intersecting manner; an anchor cable pore canal is arranged at the intersection point of each beam and is vertical to the slope surface; an anti-cracking spring 9 is arranged on the inner side of the port of each anchor cable pore channel; the middle part of each anchor cable pore passage is provided with a stress force eliminator; a prestressed anchor cable 6 is arranged in each anchor cable pore passage, and the prestressed anchor cable 6 respectively penetrates through the anti-cracking spring 9 and the stress force absorber from top to bottom to be fixed in each anchor cable pore passage; a platform 1 is arranged between two adjacent upper and lower side slopes, and a concrete foundation 19 is arranged below the platform 1.

When specifically using, adopt the technical scheme of the utility model, implement multistage side slope protection to consolidating the rock mass through 6 anchors of a plurality of prestressed anchorage cable, set up different slope rates, carry out reinforced concrete frame girder element and strut and anchor reinforcement, form the stable side slope protection system of different ratios. The prestressed anchor cable 6 is fixedly embedded into a protective slope body, embedded into the slope body for a certain depth along the slope surface of the vertical body, and forms a stable protective consolidation system through friction consolidation, so that a rock body forms a stable integral structure.

The utility model discloses do the outer supporting structure with the frame, the stress release body that a plurality of prestressed anchorage cable 6 formed the consolidation, rely on the prestressed cable in the anchor rope pore and the mud jacking, carry out rebalance and stability with the rock mass atress, it is serious with the basement rock morals and manners, the structure is loose, half rock half soil form, very easily soften the stratum, easily take place the landslide, geological damage sections such as slumping and collapse reduce to reducing geological disaster risk as far as, can also effectively solve and slide, the pine falls, collapse, the rock mass shifts, collapse, meet unfavorable diseases such as water softening.

The utility model discloses effectual side slope protection system can be implemented fast in technical scheme's adoption, solves adverse geological disasters such as the slope body collapses, landslide, slides.

The technical scheme of the utility model, be particularly useful for the reinforcement protection of tertiary and more than tertiary slope. In order to ensure the stability and the safety of the side slope, one side slope is designed into different slopes, the slope is released in a grading manner, a platform 1 is designed at a variable slope point, the one side slope is divided into a plurality of grades, and three-level slope releasing is three slope surfaces.

The utility model discloses set up stress force absorber in the anchor rope pore, not only effectively reduced the rock mass and pushed the destructive power because of warping great production, effectively subducted stress concentration moreover.

The second embodiment:

referring to fig. 1-3, in a frame anchor cable anchoring cable force element prestress reinforcement protection structure, on the basis of the first embodiment, a reinforced concrete frame beam unit comprises a plurality of cross beams 2 and a plurality of longitudinal beams 3; the plurality of cross beams 2 and the plurality of longitudinal beams 3 are all made of reinforced concrete and are vertically arranged to form a plurality of square lattices; an anchor cable pore is formed in each intersection point of the cross beam 2 and the longitudinal beam 3, a pre-stressed anchor cable 6 is arranged in each anchor cable pore, and the top end of each pre-stressed anchor cable 6 is fixed with the cross beam 2 and the longitudinal beam 3.

When the prestressed reinforcement protection structure is applied specifically, the prestressed anchor cable 6 is placed in an anchor cable duct at the fixed intersection of the cross beam 2 and the longitudinal beam 3, the top end of the prestressed anchor cable 6 is fixed with the cross beam 2 and the longitudinal beam 3, and grouting, sealing and anchoring are performed to form the prestressed reinforcement protection structure of the frame anchor cable anchoring cable force piece. Wherein, the concrete preformed holes of the cross beam 2 and the longitudinal beam 3 are pre-provided with an anchor backing plate 8 and form certain strength, and under the action of the external force of the jack, the anchorage device 7 and the anchor backing plate 8 are jointly tensioned to stress the prestressed anchor cable 6, thus forming the prestressed reinforcement and protection structure of the anchoring cable force piece.

Aiming at the characteristics of rock mass and the grade of surrounding rock, the slope gradient of the soil slope protection is preferably 1: 1.0-1; the slope gradient of the rock slope protection is preferably kept less than 1.3; according to the actual of the rock surface and the slope body, different slope rates are set (see table 1). The slope prestress anchoring protection system of the anchor rope force piece is used for carrying out prestress anchoring and fixing system on the multistage slope, so that adverse conditions such as collapse, landslide and movement of the high slope can be prevented, and the rope force of the slope is fully exerted under the action of prestress.

TABLE 1 side slope ratio size parameter table

Wherein: h is the width of the slope; a is the distance between the upper and lower beams; b is the distance between the platform line and the nearest beam; c is the depth of the longitudinal beam penetrating into the platform concrete; and D is the distance between the platform line and the frame beam unit.

The width of the cross member 2 and the side member 3 in this embodiment is 60cm.

Example three:

referring to the prestressed reinforcement protection structure of the frame anchor cable anchoring cable force member shown in fig. 1 and 2, on the basis of the second embodiment, expansion joints 5 are arranged between adjacent reinforced concrete frame beam units, and the width of the expansion joints 5 is 1.8-2.2cm; the expansion joint 5 is internally provided with an anticorrosive filler.

Further, the filler is asphalt bast fiber.

In specific application, the expansion joint 5 is arranged to reduce uneven settlement and deformation of the reinforcing structure pair. When the whole structure deforms and settles, the structure can deform along the telescopic part, and the filler has the effects of sealing and adapting to deformation.

By adopting the technical scheme, the prestressed reinforcement protection structure for the frame anchor cable anchoring cable force piece can adapt to the influence of different environments on the prestressed reinforcement protection structure, and the stability of the protection structure is ensured.

Example four:

referring to fig. 1 and 2, in the prestressed reinforcement protection structure of the frame anchor cable anchoring cable force member, on the basis of the second embodiment, each square lattice is filled with cultivatable soil or slope protection undisturbed soil, and vegetation 4 is planted in the filled square lattice.

When the vegetation system is used specifically, the vegetation is arranged, so that the ecological vegetation recovery of the slope can be effectively realized by effectively protecting the ecological of the bare slope.

Example five:

referring to fig. 1-4, in the structure for reinforcing and protecting the prestressed anchorage cable force member of the frame anchor cable, on the basis of the first embodiment or the second embodiment, the prestressed anchorage cable 6 includes an anchorage 7, an anchor backing plate 8, an unbonded anchor cable 13, a standing ring 14, a fastening ring 15, a guide cap 16 and an isolation frame; the upper end of the unbonded anchor cable 13 is fixed at the orifice of the anchor cable through an anchorage device 7 and an anchor backing plate 8; the upper part of the unbonded anchor cable 13 is sleeved with the corrugated pipe 10; the guide cap 16 is arranged at the lower end of the unbonded anchor cable 13; the plurality of standing rings 14 are arranged, and the plurality of standing rings 14 are sleeved at the lower parts of the unbonded anchor cables 13 through isolation frames at intervals; one fastening ring 15 is provided every two spaced standing rings 14.

In actual use, the prestressed anchor cable 6 is first manufactured. The aperture of an anchor cable pore passage is generally set to be phi =130mm, the anchor cable is made of high-strength low-relaxation prestressed steel strands in the prior art, the strength Rb of the relaxation prestressed steel strands is =1860Mpa, and the anchor cable is locked by an anchor with certain strength and rigidity.

And (3) the blanking length of the steel strand = the anchoring length of each segment, the free segment length of the anchor cable, the thickness of the sash beam, the length of the working segment of the anchor cable and the length cutting error (100-150 mm), and then the steel strand which is blanked is stranded into a bundle.

Before the prestressed anchor cable 6 is placed into the anchor cable duct, the hole is cleaned once by high-pressure air. And then, manually anchoring the cable body of the prestressed anchor cable 6, slowly feeding the cable body from the orifice, avoiding the distortion of the anchor cable body, uniformly and uniformly applying force when the anchor cable enters the hole, not rotating the anchor cable body, checking the isolation frame and the binding wire at any time, timely treating the movement, the damage, the falling and the like when the movement, the damage, the falling and the like are found, replacing or remanufacturing the cable body when necessary, and ensuring that the exhaust pipe and the grouting pipe are smooth after the anchor cable body is pushed to a preset depth.

In order to meet the requirement of releasing the stress concentration of the rock mass and reduce the pushing destructive force of the rock mass due to larger deformation, an elastic spiral damping stress releaser is arranged in the mudjacking hole to relieve the stress concentration.

The erection ring 14 in this embodiment supports the prestressed anchor cable 6 in the center of the anchor cable duct, and cement grout fully wraps the prestressed anchor cable 6 during grouting, and the periphery of the prestressed anchor cable is filled with grout. The fastening ring 15 is used for binding and fastening the prestressed anchorage cable 6, and prevents the prestressed tendons constituting the prestressed anchorage cable 6 from loosening and crossing.

The stress relief spring in the embodiment adopts a coil spring made of silicon-manganese alloy, and the maximum pre-pressing amount is 50mm.

Example six:

referring to fig. 4-6, in the prestress reinforcement and protection structure for the frame anchor cable anchoring cable force element, on the basis of the first embodiment, the distance E between the stress relief device and the upper port of the anchor cable duct is 1/2-3/4L, where L is the length of the anchor cable duct where the stress relief device is located.

Further, the stress relief device comprises a stress relief spring 20, a shell expander 11, two spring fixing rods 12, two end plates 18 and a fixing piece; the two end plates 18 are arranged in parallel; the stress relief spring 20 is arranged between the two end plates 18; two ends of the stress relief spring 20 are respectively fixed on the two end plates 18; the two spring fixing rods 12 are arranged in the stress relief springs 20, and the outer sides of the joints of the two ends of each spring fixing rod 12 and the end plates 18 are fixed through fixing parts respectively; the expander 11 is placed inside the stress relief spring 20.

Furthermore, the end plate 18 is a circular steel plate, and two connecting holes are symmetrically formed in the plate surface passing through the center line of the circular steel plate; the fixing piece is a nut 17, threads are arranged at two ends of the spring fixing rod 12, and the nut 17 is connected to the spring fixing rod 12 through the threads.

The fixing member in this embodiment is a nut 17, and both ends of each spring fixing rod 12 are respectively provided with a thread matching the nut 17.

In a specific application, one end of the stress relief spring 20 is welded to the parallel end plate 18 at the upper or lower end. In two connecting holes symmetrically arranged on the surface of the end plate 18, two spring fixing rods 12 penetrate through the connecting holes, the positions of the two spring fixing rods 12 are just attached to the inner side wall of the stress reduction spring 20 to prevent the stress reduction spring 20 from axial deviation, the stress reduction spring 20 is a spiral spring made of silicon-manganese alloy, free expansion and contraction of the stress reduction spring 20 can be guaranteed, the maximum pre-pressing amount is 50mm, and the end part of the other end of the stress reduction spring is stressed by a nut 17. The shell expander 11 is internally buckled and reversely arranged in the stress relief spring 20, the forked tail part faces to one side of the hole opening when the shell expander is installed, the shell expander and the stress relief spring 20 jointly form an elastic deformation spiral stress force eliminator, after grouting, a plurality of expansion pieces made of polypropylene materials of the shell expander 11 expand outwards under the action of slurry pressure, so that the expansion pieces are unfolded and reversely unfolded, and are supported at the rock wall in the anchor cable duct, the friction force between the expansion pieces and the hole wall is increased, the prestress loss of the prestressed anchor cable 6 is reduced, the stress force eliminator and the slurry are effectively combined and consolidated with the anchor cable duct to form a whole, and the stress loss of the anchor cable caused by the relaxation of the prestressed anchor cable due to later-stage rock instability is weakened.

By adopting the technical scheme, overlarge stress concentration can be effectively released in the later period of the rock mass due to local instability, the anchoring tension is subjected to stress redistribution, the rock mass stress concentration and the larger pushing destructive force generated by rock mass deformation are released, the loss of the anchor cable stress caused by the relaxation of the rock mass instability in the later period to the prestressed anchor cable can be prevented, the overall stability of the frame anchor cable force piece prestress reinforcing and protecting structure is ensured, and the stability and reliability of the frame anchor cable force piece prestress reinforcing and protecting structure are realized.

Example seven:

referring to fig. 4 and 5, in an embodiment eight of the prestress reinforcing and protecting structure of a frame anchor cable anchoring force element, the shell expander 11 is a horn-shaped plastic integrated structure with a cylindrical upper part and a plurality of trapezoidal expansion pieces connected to a lower part.

When the technical scheme is used in concrete application, the shell expander 11 adopts the technical scheme, and after grouting, due to the action of slurry pressure, the trapezoidal expansion sheet of the shell expander expands outwards to expand and reversely expand, so that the trapezoidal expansion sheet, the stress reduction spring and the connecting rod are integrated, the reverse friction force with the hole wall is increased, the anti-relaxation capacity is improved, the rock wall supported in the anchor cable hole channel is added with the stretching action of additional external force, and the stress loss of the prestressed anchor cable 6 due to the instability of the rock mass can be prevented.

Example eight:

referring to fig. 1-6, in a frame anchor cable anchoring cable force element prestress reinforcement protection structure, on the basis of the first embodiment, a reinforced concrete frame beam unit comprises a plurality of cross beams 2 and a plurality of longitudinal beams 3; the plurality of cross beams 2 and the plurality of longitudinal beams 3 are made of reinforced concrete and are vertically arranged to form a plurality of square lattices; an anchor cable pore channel is formed at each intersection point of the cross beam 2 and the longitudinal beam 3, a stress anchor cable 6 is preset in each anchor cable pore channel, and the top end of each stress anchor cable 6 is fixed with the cross beam 2 and the longitudinal beam 3; expansion joints 5 are arranged between adjacent reinforced concrete frame beam units, and the width of the expansion joints 5 is 1.8-2.2cm; the expansion joint 5 is internally provided with an anticorrosive asphalt floc filler; the planting soil or slope protection undisturbed soil is filled in each square lattice, and the vegetation 4 is planted in the filled square lattice; the prestressed anchor cable 6 comprises an anchorage device 7, an anchor backing plate 8, an unbonded anchor cable 13, a standing ring 14, a fastening ring 15, a guide cap 16 and an isolation frame; the upper end of the unbonded anchor cable 13 is fixed at the orifice of the anchor cable through an anchorage device 7 and an anchor backing plate 8; the upper part of the unbonded anchor cable 13 is sleeved with the corrugated pipe 10; the guide cap 16 is arranged at the lower end of the unbonded anchor cable 13; the plurality of standing rings 14 are arranged, and the plurality of standing rings 14 are sleeved at the lower parts of the unbonded anchor cables 13 through isolation frames at intervals; each two spaced standing rings 14 are provided with a fastening ring 15; the distance E between the stress force dissipater and the upper end port of the anchor cable duct is 1/2-3/4L, wherein L is the length of the anchor cable duct where the stress force dissipater is located; the stress force eliminator comprises a stress reducing spring 20, a shell expander 11, two spring fixing rods 12, two end plates 18 and a fixing piece; the two end plates 18 are arranged in parallel; the stress relief spring 20 is arranged between the two end plates 18; two ends of the stress relief spring 20 are respectively fixed on the two end plates 18; the two spring fixing rods 12 are arranged in the stress relief spring 20, and the outer sides of the joints of the two ends of each spring fixing rod 12 and the end plate 18 are fixed through fixing pieces respectively; the expander 11 is arranged inside the stress relief spring 20; the end plate 18 is a circular steel plate, and two connecting holes are symmetrically formed in the plate surface passing through the center line of the circular steel plate; the fixing piece is a nut 17, two ends of the spring fixing rod 12 are provided with threads, and the nut 17 is connected to the spring fixing rod 12 through the threads; the shell expander 11 is a horn-shaped integrated structure which is made of polypropylene materials, wherein the upper part of the integrated structure is a cylinder, and the lower part of the integrated structure is connected with a plurality of trapezoidal expansion sheets.

When in-service use is under construction to frame anchor rope anchor power spare prestressing force reinforcement protective structure, including domatic processing, measurement location, rig platform set up, installation machines, drilling with boring, clear hole, examine the hole, prestressing anchor rope preparation and installation, slip casting, prestressing anchor rope stretch-draw and seal anchor, reinforced concrete frame beam unit, anchor rope detect and bank protection afforestation etc. step, when examining the hole unqualified, need clear hole again, until examining the hole qualified, could get into next step.

The utility model discloses an organic setting of a plurality of reinforced concrete frame beam units and prestressed anchorage cable, the effectual rock (soil) body reinforcement forms wholly, has avoided the emergence of geology diseases such as landslide, slumping and collapse, can avoid simultaneously the segmentation falling rock stratum and the unanimous easy landslide section that forms of side slope, or easily forms in the same direction as the side slope direction after the road bed construction, runs through the problem that there is potential glide plane in the slope foot from the top of a slope. The utility model discloses set up stress force absorber in the anchor rope pore, not only effectively reduced the rock mass and pushed the destructive power because of warping great production, effectively subducted stress concentration moreover. The utility model discloses a set up the spring dead lever in the stress relief device, effectively prevented that the spring from taking place the axial skew to can guarantee freely stretching out and drawing back of spring. The utility model discloses a set up the shell ware that expands in the stress relief device, because slurry pressure effect, the trapezoidal inflation piece of shell ware that expands outward after the slip casting, makes it strut and reverse opening, supports the cliff department in the anchor rope pore, makes stress relief device, the effectual anchor rope pore combination consolidation of slurry form wholly to weaken the loss of anchor rope stress. The structure can effectively release the problem of overlarge stress concentration caused by local instability in the later stage of the rock mass, the anchoring tension is stressed and redistributed, the great pushing destructive power generated by the stress concentration and the deformation of the rock mass is released, the overall stability of the protection body is ensured, and the stability and reliability of the protection body are realized. The utility model discloses the setting of well vegetation, the domatic ecology is exposed in effectual protection, can effectively realize domatic ecological vegetation and resume.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.

It should be noted that all directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a frame anchor rope anchor cable power spare prestressing force consolidates protective structure which characterized in that: the slope comprises a side slope, a plurality of reinforced concrete frame beam units and a prestressed anchor cable (6); the side slope is a side slope with more than three levels; a plurality of reinforced concrete frame beam units are arranged on the left and right sides of the slope surface of each grade of slope, and a plurality of beams are arranged in each reinforced concrete frame beam unit in an intersecting manner; an anchor cable pore canal is arranged at the intersection point of each beam and is vertical to the slope surface; an anti-cracking spring (9) is arranged on the inner side of the port of each anchor cable pore passage; the middle part of each anchor cable pore passage is provided with a stress force eliminator; a prestressed anchor cable (6) is arranged in each anchor cable pore passage, and the prestressed anchor cable (6) respectively penetrates through the anti-cracking spring (9) and the stress force absorber from top to bottom to be fixed in each anchor cable pore passage; a platform (1) is arranged between two adjacent upper and lower side slopes, and a concrete foundation (19) is arranged below the platform (1).

2. The frame anchor cable force member prestressing reinforcement and protection structure of claim 1, wherein: the reinforced concrete frame beam unit comprises a plurality of cross beams (2) and a plurality of longitudinal beams (3); the plurality of cross beams (2) and the plurality of longitudinal beams (3) are both made of reinforced concrete and are vertically arranged to form a plurality of square lattices; anchor cable ducts are formed in each intersection point of the cross beam (2) and the longitudinal beam (3), a pre-stressed anchor cable (6) is arranged in each anchor cable duct, and the top end of the pre-stressed anchor cable (6) is fixed with the cross beam (2) and the longitudinal beam (3).

3. The frame anchor cable force member prestressing reinforcement and protection structure of claim 2, wherein: expansion joints (5) are arranged between adjacent reinforced concrete frame beam units, and the width of the expansion joints (5) is 1.8-2.2cm; the expansion joint (5) is internally provided with an anti-corrosion filler.

4. The frame anchor cable force member prestressing reinforcement and protection structure of claim 3, wherein: the filler is asphalt bast fiber.

5. The frame anchor cable force member prestressing reinforcement and protection structure of claim 2, wherein: the planting soil or the slope protection undisturbed soil is filled in each square lattice, and the vegetation (4) is planted in the filled square lattice.

6. A frame anchorage cable power member prestressed reinforcement and protection structure as claimed in claim 1 or 2, wherein: the prestressed anchor cable (6) comprises an anchor (7), an anchor backing plate (8), an unbonded anchor cable (13), a standing ring (14), a fastening ring (15), a guide cap (16) and an isolation frame; the upper end of the unbonded anchor cable (13) is fixed at the orifice of the anchor cable through an anchorage device (7) and an anchor backing plate (8); the upper part of the unbonded anchor cable (13) is sleeved with a corrugated pipe (10); the guide cap (16) is arranged at the end head part of the lower end of the prestressed anchor cable (6); the plurality of erection rings (14) are arranged, and the plurality of erection rings (14) are sleeved at the lower part of the unbonded anchor cable (13) at intervals through isolation frames; a fastening ring (15) is arranged at every two spaced standing rings (14).

7. The frame anchor cable force member prestressing reinforcement and protection structure of claim 1, wherein: the distance E between the stress force dissipater and the upper end port of the anchor cable pore channel is 1/2-3/4L, wherein L is the length of the anchor cable pore channel where the stress force dissipater is located.

8. The frame anchor cable force member prestressed reinforcement protection architecture of claim 1 or 7, wherein: the stress force eliminator comprises a stress reducing spring (20), a shell expander (11), two spring fixing rods (12), two end plates (18) and a fixing piece; the two end plates (18) are arranged in parallel; the stress relief spring (20) is arranged between the two end plates (18); two ends of the stress relief spring (20) are respectively fixed on the two end plates (18); the two spring fixing rods (12) are arranged in the stress reduction spring (20), and the outer sides of joints of two ends of each spring fixing rod (12) and the end plates (18) are fixed through fixing pieces respectively; the shell expander (11) is placed inside the stress relief spring (20).

9. The frame anchor cable force member prestressed reinforcement protection architecture of claim 8, wherein: the end plate (18) is a circular steel plate, and two connecting holes are symmetrically formed in the plate surface passing through the center line of the circular steel plate; the fixing piece is a nut (17), threads are arranged at two ends of the spring fixing rod (12), and the nut (17) is connected to the spring fixing rod (12) through the threads.

10. The frame anchor cable force member prestressed reinforcement protection architecture of claim 8, wherein: the shell expander (11) is a horn-shaped integrated structure which is made of polypropylene materials, the upper part of the integrated structure is a cylinder, and the lower part of the integrated structure is connected with a plurality of trapezoidal expansion sheets.

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