CN113005991A - High-strength anti-seismic water conservancy slope anchor cable structure - Google Patents
High-strength anti-seismic water conservancy slope anchor cable structure Download PDFInfo
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- CN113005991A CN113005991A CN202110252412.4A CN202110252412A CN113005991A CN 113005991 A CN113005991 A CN 113005991A CN 202110252412 A CN202110252412 A CN 202110252412A CN 113005991 A CN113005991 A CN 113005991A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
Abstract
The application relates to a high-strength anti-seismic water conservancy slope anchor cable structure which comprises a plurality of groups of anchor cables and tensioning devices, wherein each anchor cable comprises an anchor head, an anchoring section and a free section, and each group of anchor cables is made of a plurality of reinforcing steel bars; the tensioning device comprises a steel pipe, a plurality of groups of caps and a steel cable, a plurality of groups of foundation pits are vertically dug on the ground at two sides of the river channel, the steel pipe is inserted into the foundation pits, a mortar layer is poured into the steel pipe, a plurality of groups of caps are sleeved and slid on the steel cable, each group of caps is fastened and fixed with each group of anchor heads, and a plurality of groups of hoops which are distributed at the upper end and the lower end of each cap in pairs are sleeved and fixed on the steel cable; the steel cable extends along the slope and the upper end part of the steel cable is tied and fixed with the steel pipe. When taking place geological disasters, the stability of side slope is relatively poor, and each group steel pipe forms the taut to the anchor rope through each group steel cable in this application, makes each group's anchor rope stability on the side slope promote, and each anchor rope of group is difficult for taking place to shift on the side slope, and then makes the overall stability of side slope promote, has realized the reinforcement to water conservancy side slope.
Description
Technical Field
The application relates to the field of water conservancy side slope, especially, relate to an antidetonation water conservancy side slope anchor rope structure excels in.
Background
The construction of water conservancy projects is used for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting, and the projects are also called water projects. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. In the construction process of hydraulic engineering, one of important steps in the whole construction process when the construction to water conservancy side slope, to the whole quality of guarantee water conservancy process have important meaning.
The side slope refers to a slope surface with a certain slope which is formed on two sides of the roadbed to ensure the stability of the roadbed. The water-retaining agent is generally used on rocky slopes with poor lithology, low strength, easy weathering or weathering and breakage of hard rock stratums and weathering and peeling of surface layers of the rocky slopes, and has the functions of preventing rainwater from washing, fixing soil, protecting slopes, keeping water and soil balance and keeping the stability of roadbeds and slopes. In the process of reinforcing the existing water conservancy side slope, construction of each group of anchor cables is mostly carried out on the side slope, the anchor cables are fixed on the slope surface through the outer ends, the other ends of the anchor cables are anchored in a stable rock body within a sliding surface and penetrate through prestressed steel strands of the sliding surface of the side slope, anti-sliding resistance is directly generated on the sliding surface, anti-sliding friction resistance is increased, and a structural surface is in a compression state to improve the integrity of the rock body of the side slope, so that the mechanical property of the rock body is fundamentally improved, the displacement of the rock body is effectively controlled, the stability of the rock body is promoted, and the purposes of regulating bedding, landslides, dangerous rocks and.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: after the construction of the anchor cables on the side slope is finished, for the geological conditions of soft soil and large slope gradient, when continuous rainfall or earthquake disasters are encountered, the stability of the side slope is poor, so that each group of anchor cables constructed on the side slope bear large tensile stress, the soil and rock mass on the side slope easily slide and collapse to one side of a river channel, and the fallen soil and rock mass are accumulated on the river channel, so that a barrier lake structure is easily formed on the river channel, and potential threats are formed on the safety of downstream residents, so that an improved space exists.
Disclosure of Invention
In order to carry out further reinforcement to water conservancy side slope, optimize, improve traditional anchor rope structure, this application provides an antidetonation water conservancy side slope anchor rope structure excels in.
The application provides a pair of water conservancy side slope anchor rope structure of high-strength shock resistance adopts following technical scheme:
a high-strength anti-seismic water conservancy slope anchor cable structure comprises a plurality of groups of anchor cables and tensioning devices, wherein the anchor cables are downwards inclined and inserted on a slope, each group of anchor cables are uniformly distributed on a slope surface in rows and columns, each group of anchor cables comprises an anchor head, an anchoring section inserted into the slope and a free section positioned in the middle of the anchor head and the anchoring section, each group of anchor cables is made of a plurality of stranded reinforcing steel bars, each group of reinforcing steel bars extend from the anchor head to the anchoring section, and the anchor head extends out of the plane of the slope surface; the tensioning device comprises a steel pipe, a plurality of groups of caps and a steel cable, wherein a plurality of groups of foundation pits extending along the river course are vertically dug on the ground at two sides of the river course, the steel pipe is vertically inserted into the foundation pits, a mortar layer made of concrete is poured into the steel pipe, round holes are formed in the caps in a penetrating mode, the steel cable is sleeved and slid with the plurality of groups of caps, each group of caps is fastened and fixed with the anchor heads distributed up and down, and the steel cable is sleeved and fixed with a plurality of groups of hoops distributed at the upper end and the lower end of each cap in a pairwise mode; the steel cable is extended along the side slope, and the upper end part of the steel cable is fixed with the steel pipe in a bolting mode.
By adopting the technical scheme, the water conservancy slope anchor cable structure comprises various groups of anchor cables fixedly spliced with a slope surface of a slope and installed tensioning devices, wherein the positions of the anchor cables are distributed on the slope surface in rows and columns, so that the anchor cables in the various groups are conveniently connected and fixed through the tensioning devices; the anchor section of the anchor cable is inserted into the opening on the side slope, so that the anchor section and the free section are constantly inserted into the side slope, each group of steel bars extend from the anchor head to the anchor section and perform grouting operation into each group of openings on the side slope to form a traditional side slope anchor cable structure, the tensioning device comprises steel pipes, each group of caps and steel cables, when the water conservancy side slope is reinforced, excavation of foundation pits is firstly performed on the ground on one side of a river channel, each group of steel pipes are inserted, concrete mortar is poured into each group of steel pipes to form a mortar layer, and the mortar layer enables the steel pipes to form steel pipe concrete piles, so that the stability of the steel pipes on the ground is high; then, each group of caps are buckled on the anchor heads of each group of anchor cables which are distributed up and down, so that the caps are connected with each group of anchor cables, the steel cables penetrate through the round holes on the caps and are fixed by means of each group of anchor ears, the arrangement realizes that the steel cables strain and fix each group of caps, the upper ends of the steel cables are further fixedly connected with the steel pipes, the core tensioning device realizes that each group of anchor cables which are distributed up and down are connected, the steel cables are further connected with the steel pipes, so that the steel pipes stretch the anchor cables at each group of side slopes, the structural strength of each group of anchor cables on the side slopes is further improved, when a geological disaster occurs, the stability of the side slopes is poor, each group of steel pipes passes through each group of steel cables and forms strain on the anchor cables, the stability of each group of anchor cables on the side slopes is improved, each group of anchor cables is not easy to shift on the side slopes, the overall stability of the side slopes is further, the barrier lake formed by collapse is reduced, and the safety guarantee for downstream residents is improved.
Preferably, the axes of the foundation pits of each group are coplanar with the anchor cables distributed up and down of each group; a guide cap is mounted at one end, far away from the free section, of the anchoring section, a positioning groove is concavely formed in the peripheral surface of the guide cap, and each group of steel bars is fixedly connected with the guide cap; the steel pipe is characterized in that a plurality of groups of clamping ports which are distributed up and down are formed in the outer peripheral surface of the steel pipe in a penetrating mode, each group of clamping ports comprises a first port and a second port which are communicated up and down, the caliber of the first port is matched with the radial size of the positioning groove, the caliber of the second port is matched with the outer diameter size of the guide cap, each group of guide cap is inserted into the steel pipe from the second port, and each group of positioning groove is fixed with the first port in a clamping mode.
By adopting the technical scheme, the axes of the foundation pits and the anchor cables distributed up and down are arranged in a coplanar manner, and when the steel cables of each group are fixedly tied with the steel pipes on the ground, the vertical lower ends of the steel pipes of each group can be intersected with the anchor cables distributed up and down of each group; each group of steel pipes are vertically hoisted to the inside of a foundation pit, a guide cap on an anchoring section is continuously inserted along an opening on a side slope, a clamping port is formed in each steel pipe, one opening and two openings in the clamping port are vertically distributed, when the anchor cable is constructed, the guide cap is inserted into the two openings, one opening is matched with a positioning groove on the guide cap in size, under the action of gravity, the steel pipe vertically moves downwards along the inner wall of the foundation pit, the positioning groove on each group of guide caps is clamped and fixed with one opening on the steel pipe, so that the connection between each group of anchor cables and the steel pipe is realized, when mortar is poured into each group of openings on the side slope, the mortar inside the anchor cables and a mortar layer inside the foundation pit are integrated, the tensile strength of each group of anchor cables on the side slope is improved, the supporting effect of each group of anchor cables on the side slope is improved, the integrity of the rock mass of the side slope is improved, effectively controlling the displacement of the rock mass.
Preferably, a plurality of groups of wall holes which are uniformly distributed are arranged on the outer peripheral surface of the steel pipe in a penetrating mode, the aperture size of the foundation pit is not smaller than the pipe diameter size of the steel pipe by 15cm, and the mortar layer fills the space of the foundation pit inside and outside the steel pipe.
Through adopting above-mentioned technical scheme, the hole footpath of foundation ditch is not less than steel pipe diameter 15cm, when carrying out the hoist and mount of steel pipe to foundation ditch inside, the inside mortar that fills of steel pipe constantly flows to the steel pipe outside through each group wall hole on the steel pipe wall, makes the inside and outside space of mortar with the steel pipe constantly fill, closely knit, the structural strength of this kind of steel pipe has been promoted in the aforesaid setting, when the steel pipe carries out stretch-draw to the steel cable, each group steel pipe is higher at subaerial stability.
Preferably, the excavation has the notch on the horizontal border of the vertical upper end portion of side slope, the inside stone that has laid of notch, the up end of stone deviates from each group a side edge of steel pipe carries out the circular arc transition on following, each group the steel cable is walked around each group behind the arc corner of stone the steel pipe extends.
By adopting the technical scheme, the stones are laid in the groove openings at the upper end part of the side slope, one side edge of each group of stones is in arc transition, and after each group of steel cables bypasses the arc edge of the stones, the contact area of the steel cables and the stones is increased at the position of the arc edge, so that the pressure of the steel cables at the position of the arc edge is reduced, and the local stress of the steel cables is reduced; the setting of stone has promoted the structural strength of side slope upper end position, and to the side slope of soft soil property, the setting of stone has promoted the stability of steel cable on the side slope, and the steel cable is difficult for taking place to sink in the upper end position of side slope.
Preferably, the anchor head include backing plate, pier and with the integrative fixed lantern ring of backing plate, inside the side slope is pegged graft to the lantern ring, the backing plate is right the pier covers, the cap with the circumference border that the anchor head is close to is integrative to be fixed with the ring, peg graft on the circumference border of ring have a plurality of groups with backing plate threaded connection's bolt.
By adopting the technical scheme, the anchor head comprises the base plate, the pier and the lantern ring, the lantern ring is inserted into the side slope, each group of steel bars in the anchor cable is inserted into the lantern ring, the pier is arranged to seal the side slope, the integrity of the anchor cable is improved, when each group of caps are installed, each group of bolts penetrate through the circular ring and are in threaded connection with the base plate, the fixed connection between each group of caps and the anchor cable is realized through the arrangement, the connection strength between each group of caps and the anchor head is improved, the caps are not easy to separate from the anchor head, and the tensile connection of each group of anchor cable by the tensioning device is further guaranteed.
Preferably, the upper end face of the steel pipe is higher than the ground and is fixedly sleeved with a mounting ring, an annular groove is concavely arranged on the peripheral surface of the mounting ring in a surrounding mode, and the steel cable is fixedly tied with the annular groove.
Through adopting above-mentioned technical scheme, the up end of steel pipe is higher than ground, cup joints the collar and the outer wall of steel pipe fixedly, when carrying out being connected of steel cable and steel pipe, inside the annular with the steel cable joint on the collar, makes the joint strength between steel cable and the steel pipe promote, and the steel cable is difficult for sliding on the steel pipe.
Preferably, the upper end surface of the steel pipe is provided with a cement pier for embedding the steel pipe.
Through adopting above-mentioned technical scheme, the up end of steel pipe is built by laying bricks or stones and is had the cement mound, and the cement mound covers the steel pipe, and the setting of cement mound has promoted the structural strength of steel pipe upper end, has promoted the steel cable to the stretch-draw stability of steel pipe, makes the stability promotion of each group's anchor rope.
Preferably, a plurality of groups of first rods are inserted into the upper end face of the stone block, a plurality of groups of second rods are inserted into the vertical end face of one side of the stone block facing the side slope, and the lower ends of the first rods and the second rods are inserted into the side slope, fixed and distributed in a staggered manner.
Through adopting above-mentioned technical scheme, the stone is laid on the upper end border position of side slope, and each group's a pole and two poles misplace respectively and peg graft on the up end of stone and the vertical terminal surface of one side, and the setting of a pole and two poles has promoted the stability of stone on side slope upper end position, makes the overall stability of stone promote, and when the steel cable was walked around the stone, the stone promoted the support intensity of each group's steel cable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the nuclear tensioning device realizes connection of the anchor cables distributed up and down in each group, the steel cable is further connected with the steel pipe, the steel pipe stretches the anchor cables at each group of side slope positions, the structural strength of the anchor cables on the side slopes is further improved, when geological disasters occur, the stability of the side slopes is poor, the steel pipes in each group form tensioning of the anchor cables through the steel cables in each group, the stability of the anchor cables on the side slopes is improved, the anchor cables in each group are not easy to shift on the side slopes, the overall stability of the side slopes is further improved, and the water conservancy side slopes are reinforced;
2. when the anchor cable is constructed, the guide cap is inserted into the two openings, one opening is matched with the positioning groove on the guide cap in size, the steel pipe vertically moves downwards along the inner wall of the foundation pit under the action of gravity, so that the positioning grooves on the guide caps of each group are clamped and fixed with one opening on the steel pipe, and further the connection between the anchor cables of each group and the steel pipe is realized;
3. the anchor head comprises a base plate, piers and a sleeve ring, the sleeve ring is inserted into the side slope, each group of steel bars in the anchor cable is inserted into the sleeve ring, the piers are arranged to seal the side slope, the integrity of the anchor cable is improved, when each group of caps are installed, each group of bolts penetrate through the ring and are in threaded connection with the base plate, the fixed connection of each group of caps and the anchor cable is realized through the arrangement, the connection strength between each group of caps and the anchor head is improved, the caps are not easy to separate from the anchor head, and the tensile connection of the tensioning device to each group of anchor cables is further guaranteed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic cross-sectional view of a slope of the present application and a partial cross-sectional view of a steel pipe;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is an enlarged view at C in FIG. 3;
FIG. 6 is an enlarged view at D of FIG. 3;
fig. 7 is an enlarged view at E in fig. 3.
Description of reference numerals: 1. side slope; 11. a notch; 12. a stone block; 121. a rod; 122. two rods; 2. an anchor cable; 21. an anchor head; 211. a base plate 212, a pier; 213. a collar; 22. an anchoring section; 221. a guide cap; 2211. positioning a groove; 23. a free section; 24. reinforcing steel bars; 25. a wire loop; 251. a water pipe; 3. a tensioning device; 31. a steel pipe; 311. a card interface; 3111. one port; 3112. two ports; 312. a wall hole; 313. a mounting ring; 314. a ring groove; 32. a cap; 321. a circular hole; 322. hooping; 323. a circular ring; 324. a bolt; 33. a wire rope; 4. a ground surface; 41. a river channel; 42. a foundation pit; 43. a mortar layer; 5. and (5) cement piers.
Detailed Description
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship, unless otherwise specified.
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses antidetonation water conservancy side slope anchor rope structure excels in. Referring to fig. 1 and 2, the anchor cable 2 structure is constructed on a side slope 1 of hydraulic engineering, the side slope 1 is built on two sides of a river channel 41, and the slope surface of the side slope 1 is vertically arranged. This kind of anchor rope 2 structure of water conservancy side slope 1 includes the overspeed device tensioner 3 of a plurality of groups anchor rope 2 and supporting installation, and each anchor rope 2 downward sloping grafting of group is fixed inside slope 1, and when the position of river course 41 was looked to the domatic upper elevation of slope 1, each anchor rope 2 of group becomes row and column evenly distributed on domatic in the line.
The tensioning device 3 comprises a steel pipe 31, a plurality of groups of caps 32 and steel cables 33, each group of steel cables 33 has flexibility, the inclined lower ends of the steel cables 33 extend to the sloping position of the slope 1, and the steel cables 33 extend from the sloping position to the ground 4 on one side of the river channel 41 and are arranged in parallel. A plurality of groups of foundation pits 42 are vertically excavated on the ground 4 on both sides of the river channel 41, the axes of the foundation pits 42 are coplanar, and the plane where the foundation pits are located is parallel to the vertical slope surface of the side slope 1; the slope surface of the side slope 1 is provided with openings for inserting the anchor cables 2, each group of openings is communicated with the foundation pit 42 at the corresponding position, and each group of openings is communicated with the inner peripheral wall of the foundation pit 42 at different heights; the steel pipe 31 is vertically inserted into the foundation pit 42, the length of the steel pipe 31 is greater than the height of the slope surface of the side slope 1, the upper end part of the side slope 1 is higher than the ground 4, and the aperture size of the foundation pit 42 is not smaller than the pipe diameter of the steel pipe 31 by 15 cm; a mortar layer 43 made of concrete is cast and formed inside the steel pipe 31, and the mortar layer 43 made of concrete is also cast and formed between the inner wall of the steel pipe 31 and the inner wall of the foundation pit 42; the outer peripheral surface of the steel pipe 31 extending out of the ground 4 is fixedly sleeved with an installation ring 313, the axis of the installation ring 313 is collinear with the axis of the steel pipe 31, the outer peripheral surface of the installation ring 313 is concavely provided with a ring groove 314, the upper end part of the steel cable 33 is connected with the ring groove 314 of the installation ring 313 through a hook, and the connection between each group of steel cables 33 and the steel pipe 31 is realized.
The up end of steel pipe 31 is built by laying bricks or stones and is the cement pier 5 of cuboid, and cement pier 5 carries out the embedding with steel pipe 31, and the upper end embedding that steel cable 33 extends to ground 4 is inside cement pier 5, for promoting the structural strength of cement pier 5, but the embedded bar is consolidated. The lower end portion of the cement pier 5 is integrally connected to the mortar layer 43 inside and outside the steel pipe 31.
Referring to fig. 3 and 4, the anchor cable 2 includes an anchor head 21, an anchoring section 22 inserted into the slope 1, and a free section 23 located at the middle position, each group of anchor cables 2 is composed of a plurality of stranded reinforcing steel bars 24, each group of reinforcing steel bars 24 extends from the anchor head 21 to the anchoring section 22, and the anchor head 21 extends out of the plane of the slope; the anchor head 21 comprises a square backing plate 211, a pier 212 and a lantern ring 213 which is integrally connected with the backing plate 211, wherein the lantern ring 213 is in inserted fit with an opening on the side slope 1; the pier 212 protrudes out of the plane of the side slope 1, and the backing plate 211 is abutted and matched with the inclined end face of the side of the pier 212 departing from the side slope 1 in shape. A notch 11 is dug in the horizontal edge of the vertical upper end part of the side slope 1, a stone block 12 is laid in the notch 11, the upper end surface of the stone block 12 is in arc transition on the edge of one side edge departing from each group of steel pipes 31, and each group of steel cables 33 extend to each group of steel pipes 31 after bypassing the arc-shaped corner of the stone block 12; the upper end surface of the stone block 12 is inserted with a plurality of groups of first rods 121, the vertical end surface of one side of the stone block 12 facing the side slope 1 is inserted with a plurality of groups of second rods 122, the groups of first rods 121 and the groups of second rods 122 are distributed at equal intervals, and the lower ends of the groups of first rods 121 and the groups of second rods 122 are inserted with the side slope 1, fixed and distributed in a staggered manner.
Referring to fig. 4 and 5, each set of reinforcing steel bars 24 in the anchor cable 2 is installed through each set of wire loop 25, each set of wire loop 25 is provided with a plurality of sets of holes in a through manner, and each set of reinforcing steel bars 24 is inserted into each set of holes of the wire loop 25; one end of each group of anchor cables 2 penetrates through the lantern ring 213 and extends out of the slope surface of the side slope 1, and each group of reinforcing steel bars 24 are fixed at the position of the anchor head 21. The opening of the cap 32 faces the backing plate 211, the inner diameter of the cap 32 is matched with the outer diameter of the wire ring 25, a circular ring 323 is integrally fixed on the circumferential edge of the cap opening of the cap 32, and a plurality of groups of bolts 324 which are distributed around the axis of the circular ring 323 in an equiangular circumferential manner are inserted on the circumferential surface of the circular ring 323.
Two groups of round holes 321 which are arranged oppositely are arranged on the peripheral surface of the cap 32, the axes of the two groups of round holes 321 are vertically arranged and pass through the axis of the cap 32, and the apertures of the two groups of round holes 321 are matched with the wire diameter of the steel cable 33; the steel cable 33 penetrates through the two groups of round holes 321, and each group of bolts 324 is continuously close to the backing plate 211 and is in threaded connection with the backing plate 211; hoops 322 are respectively arranged on the cables at the upper and lower groups of round holes 321 of the cap 32, each group of hoops 322 is tightly clasped with the steel cable 33, so that the position of each group of caps 32 on the steel cable 33 is fixed, and at the moment, each group of caps 32 and the anchor head 21 of the anchor cable 2 are integrally fixed.
Referring to fig. 5 and 6, the steel pipe 31 is vertically inserted into a foundation pit 42 on the ground 4. The axial line of each group of foundation pits 42 is coplanar with each group of anchor cables 2 distributed up and down; the anchoring section 22 of the anchor cable 2 is provided with a guide cap 221, the guide cap 221 is fixedly connected with a group of wire rings 25 at the lowest end, and the lower end parts of the groups of reinforcing steel bars 24 are fixedly inserted into the wire rings 25; the water pipe 251 is nested inside each group of reinforcing steel bars 24, the water pipe 251 is inserted inside each group of wire rings 25, and the axis of the water pipe 251 is collinear with the axis of each group of wire rings 25. The outer circumference of the steel pipe 31 is concavely provided with a plurality of groups of wall holes 312 which are uniformly distributed, and the arrangement of the wall holes 312 enables the mortar layers 43 inside and outside the steel pipe 31 to be integrally connected. The outer peripheral surface of the steel pipe 31 is provided with a plurality of sets of vertically distributed clamping ports 311 in a penetrating manner.
Referring to fig. 6 and 7, positioning grooves 2211 are concavely formed on the outer circumferential surface of the guide cap 221, and each set of reinforcing steel bars 24 is fixedly connected with the guide cap 221 through a set of wire rings 25 at the lowest end; each group's joint interface 311 includes one mouthful 3111 and two mouthful 3112 that the intercommunication set up from top to bottom, and the bore of one mouthful 3111 cooperates with the radial dimension of constant head tank 2211, and the bore of two mouthful 3112 cooperates with the external diameter dimension of direction cap 221, and inside each group's direction cap 221 inserted steel pipe 31 from two mouthful 3112, when carrying out the connection of anchor rope 2 and steel pipe 31, each group's constant head tank 2211 was fixed with a mouthful 3111 joint.
The implementation principle of the anti-seismic water conservancy slope anchor rope structure of excelling in of this application embodiment does:
this kind of anchor rope structure of water conservancy side slope is before being under construction, and the position of waiting to carry out the trompil to each group on side slope 1 is markd, and the position of waiting to carry out foundation ditch 42 excavation on the ground 4 of river course 41 both sides is markd.
Firstly, excavating each group of foundation pits 42, wherein each group of foundation pits 42 are distributed at equal intervals along the river channel 41; and then, driving a drilling machine, and forming holes in the groups of the side slopes 1 at the positions of the river channels 41, wherein the groups of the holes extend downwards in an inclined mode, and the groups of the holes are communicated with the inner walls of the foundation pits 42 at different height positions of the foundation pits 42.
Inserting each group of steel pipes 31 into each group of foundation pit 42 by means of hoisting equipment, and pre-positioning the steel pipes 31 in the foundation pit 42; assembling the groups of reinforcing steel bars 24 and water pipes 251 by means of the wire loops 25, connecting the lowest wire loop 25 with the guide cap 221, and inserting the guide cap 221 of each group of anchor cables 2 into the opening on the slope 1; when each group of guide caps 221 contacts the steel pipe 31 in the foundation pit 42, each group of steel pipes 31 is rotated at the moment, so that the clamping openings 311 in the steel pipes 31 are opposite to the guide caps 221, force is applied to push the anchor cables 2 at the moment, and the guide caps 221 continuously enter the steel pipes 31 from the two openings 3112 at the lowest parts of the clamping openings 311; and repeating the steps to realize the construction of each group of anchor cables 2 on the side slope 1, wherein the guide caps 221 at the lower end parts of each group of anchor cables 2 are all inserted into the steel pipes 31.
When the guide caps 221 of the anchor cables 2 on the positions of the steel pipes 31 are inserted into the steel pipes 31, the constructor presses the steel pipes 31 downward, and at the moment, the positioning grooves 2211 on the guide caps 221 are continuously clamped into one opening 3111, so that the guide caps 221 are connected with the steel pipes 31, and the steel pipes 31 limit the guide caps 221.
Grouting operation is carried out towards the insides of all groups of holes on the side slope 1 by means of the water pipe 251, and grouting is carried out towards the insides of the foundation pits 42 on the ground 4 at the same time, and the grouting operation are carried out synchronously; the concrete mortar on the ground 4 flows from the inside of the steel pipe 31 to the outside of the steel pipe 31, so that the mortar layer 43 fills the space inside the steel pipe 31; grouting is continuously carried out inside each group of water pipes 251 until mortar flows reversely from each group of holes, the lantern ring 213 is sleeved on the anchor cable 2 at the moment, and the backing plate 211 extends out of the slope surface of the side slope 1. And after the mortar is dehydrated and shaped, performing a drawing experiment, building the pier 212 after the drawing experiment is qualified, finally fastening each group of caps 32 at the position of the anchor head 21, and penetrating each group of bolts 324 through the circular ring 323 and in threaded connection with the backing plate 211.
The steel cable 33 penetrates through the two groups of round holes 321 on the cap 32, and the hoops 322 and the steel cable 33 are sequentially installed, so that the cap 32 and the steel cable 33 are integrally connected, and the steel cable 33 extends to the ground 4 on one side of the river channel 41; the steel pipe 31 is stretched by fitting the fitting ring 313 onto the steel pipe 31 and welding the fitting ring 313, and the steel pipe 31 is fixed to the ring groove 314 of the fitting ring 313, whereby the stability of each set of anchor cables 2 is improved by stretching the cable 33. And finally, building the cement pier 5 to finish the whole construction process of the anchor cable 2 structure of the water wheel side slope 1. Tensioning nuclear device has realized connecting anchor rope 2 that distributes about each group in this application, steel cable 33 further is connected with steel pipe 31, make steel pipe 31 to each anchor rope 2 of organizing side slope 1 position tensile, and then make each structural strength of organizing anchor rope 2 on the side slope 1 promote, when taking place geological disasters, side slope 1's stability is relatively poor, each group steel pipe 31 forms the tensioning to anchor rope 2 through each with steel cable 33, make each stability promotion of organizing anchor rope 2 on side slope 1, each anchor rope 2 of organizing is difficult for taking place the aversion on side slope 1, and then make side slope 1's overall stability promote, the reinforcement to water conservancy side slope 1 has been realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an antidetonation water conservancy side slope anchor rope structure excels in, includes anchor rope (2) and overspeed device tensioner (3) of a plurality of groups downward sloping grafting on side slope (1), its characterized in that: each group of anchor cables (2) are uniformly distributed on a slope surface in rows and columns, each anchor cable (2) comprises an anchor head (21), an anchoring section (22) inserted into the slope (1) and a free section (23) positioned in the middle of the anchor head and the slope, each group of anchor cables (2) is made of a plurality of stranded reinforcing steel bars (24), each group of reinforcing steel bars (24) extend from the anchor head (21) to the anchoring section (22), and the anchor heads (21) extend out of the plane of the slope surface; the tensioning device (3) comprises a steel pipe (31), a plurality of groups of caps (32) and a steel cable (33), a plurality of groups of foundation pits (42) extending along the river channel (41) are vertically dug on the ground (4) at two sides of the river channel (41), the steel pipe (31) is vertically inserted into the foundation pits (42), a mortar layer (43) made of concrete is poured into the steel pipe (31), a round hole (321) is formed in the caps (32) in a penetrating manner, a plurality of groups of caps (32) are sleeved and slid on the steel cable (33), each group of caps (32) are fastened and fixed with the anchor heads (21) distributed up and down, and a plurality of groups of hoops (322) distributed on the upper end and the lower end of each group of caps (32) in a pairwise manner are sleeved and fixed on the steel cable (33); the steel cable (33) extends along the side slope (1), and the upper end part of the steel cable is fixedly tied with the steel pipe (31).
2. The high-strength anti-seismic water conservancy slope anchor cable structure according to claim 1, characterized in that: the axial line of each group of foundation pit (42) and each group of anchor cable (2) which are distributed up and down are arranged in a coplanar manner; a guide cap (221) is mounted at one end, far away from the free section (23), of the anchoring section (22), positioning grooves (2211) are concavely formed in the outer peripheral surface of the guide cap (221), and all groups of steel bars (24) are fixedly connected with the guide cap (221); link up on the outer peripheral face of steel pipe (31) and seted up joint mouth (311) that a plurality of groups distribute from top to bottom, each group joint mouth (311) are including one mouthful (3111) and two mouthful (3112) that communicate the setting from top to bottom, the bore of one mouthful (3111) with the radial dimension cooperation of constant head tank (2211), the bore of two mouthful (3112) with the external diameter dimension cooperation of direction cap (221), each group direction cap (221) are followed two mouthful (3112) are pegged graft into inside steel pipe (31), each group constant head tank (2211) with one mouthful (3111) joint is fixed.
3. The high-strength anti-seismic water conservancy slope anchor cable structure according to claim 2, characterized in that: the steel pipe is characterized in that a plurality of groups of wall holes (312) which are uniformly distributed are formed in the outer peripheral surface of the steel pipe (31) in a penetrating mode, the aperture size of the foundation pit (42) is not smaller than the pipe diameter size of the steel pipe (31) by 15cm, and the mortar layer (43) fills the space of the foundation pit (42) inside and outside the steel pipe (31).
4. The high-strength anti-seismic water conservancy slope anchor cable structure according to claim 3, characterized in that: excavation has notch (11) on the horizontal border of the vertical upper end of side slope (1), stone (12) have been laid to notch (11) inside, the up end of stone (12) is deviating from each group a side edge of steel pipe (31) is followed and is carried out the circular arc transition, each group steel cable (33) are walked around each group behind the arc corner of stone (12) steel pipe (31) extend.
5. The high-strength anti-seismic water conservancy slope anchor cable structure according to claim 4, characterized in that: anchor head (21) include backing plate (211), mound (212) and with the integrative fixed lantern ring (213) of backing plate (211), inside slope (1) is pegged graft into in lantern ring (213), backing plate (211) are right mound (212) cover, cap (32) with the circumference border that anchor head (21) are close to is integrative to be fixed with ring (323), peg graft on the circumference border of ring (323 have a plurality of groups with backing plate (211) threaded connection's bolt (324).
6. The high-strength anti-seismic water conservancy slope anchor cable structure according to claim 5, characterized in that: the upper end face of steel pipe (31) is higher than ground (4) and the cover is established and is fixed with collar (313), it has annular (314) to encircle the concave ring that is equipped with on the outer peripheral face of collar (313), steel cable (33) with annular (314) bolt tie is fixed.
7. The high-strength anti-seismic water conservancy slope anchor cable structure according to claim 6, characterized in that: and a cement pier (5) for embedding the steel pipe (31) is built on the upper end surface of the steel pipe (31).
8. The high-strength anti-seismic water conservancy slope anchor cable structure according to claim 7, characterized in that: the upper end surface of stone piece (12) is pegged graft and is had a plurality of groups pole (121), stone piece (12) are pegged graft on the vertical terminal surface of one side of side slope (1) and are had two poles (122) of a plurality of groups, each group pole (121) and each group the lower tip of two poles (122) all with side slope (1) grafting fixed and dislocation distribution.
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| CN202110252412.4A CN113005991A (en) | 2021-03-08 | 2021-03-08 | High-strength anti-seismic water conservancy slope anchor cable structure |
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| CN202110252412.4A CN113005991A (en) | 2021-03-08 | 2021-03-08 | High-strength anti-seismic water conservancy slope anchor cable structure |
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