CN115262547A - Side slope protective net construction method based on assembly type anchoring structure - Google Patents
Side slope protective net construction method based on assembly type anchoring structure Download PDFInfo
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- CN115262547A CN115262547A CN202211015544.6A CN202211015544A CN115262547A CN 115262547 A CN115262547 A CN 115262547A CN 202211015544 A CN202211015544 A CN 202211015544A CN 115262547 A CN115262547 A CN 115262547A
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- 238000004873 anchoring Methods 0.000 title claims abstract description 51
- 238000010276 construction Methods 0.000 title claims abstract description 45
- 230000001681 protective effect Effects 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 239000002002 slurry Substances 0.000 claims abstract description 8
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- 241000425571 Trepanes Species 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
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Classifications
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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
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention relates to the technical field of side slope protective nets, and discloses a side slope protective net construction method based on an assembled anchoring structure, which comprises the following construction steps: 1) Drilling holes on the side slope; 2) Injecting slurry into the grouting hole, anchoring the inner end of the anchoring rod in the grouting hole, wherein the outer end of the anchoring rod is provided with a connecting cylinder, the connecting cylinder is connected with an end socket, and the end socket is provided with a lantern ring; 3) Arranging a transverse supporting rope and a longitudinal supporting rope to pass through the lantern ring; enclosing to form a hollow-out area; 4) And laying a steel rope net in the hollow area, and laying a steel wire grid in the hollow area. The anchoring rods are fixedly arranged, the longitudinal supporting ropes and the transverse supporting ropes penetrate through the lantern rings to be fixed, and the steel rope net and the steel wire grating are arranged to play an active protection role on the side slope; the anchor rod and the end are respectively detachably connected with the connecting cylinder, the anchor rod is anchored in a grouting hole of a side slope, and the lantern ring on the end is exposed on the side slope and is used for being connected with a side slope protective net, so that field assembly can be realized, the preparation process is simple, and the cost is low.
Description
Technical Field
The invention relates to the technical field of side slope protective nets, in particular to a side slope protective net construction method based on an assembly type anchoring structure.
Background
The mode of side slope management is various, in order to guarantee the safety of the life and property around the side slope, generally all need protect or consolidate on the side slope, and the side slope protection network is a mode of side slope protection.
The side slope protective net is various flexible nets mainly comprising steel wire rope nets, and the flexible nets are covered and wrapped on the side slope to be protected so as to limit weathering spalling or damage of rock soil on the slope surface of the side slope and dangerous rock collapse or control falling rocks to move within a certain range.
The side slope protection network needs to implant anchor structure in the side slope in the work progress, and the side slope protection network can be fixed on anchor structure, and anchor structure generally includes anchor rod and the lantern ring that forms on anchor rod, and anchor rod implants in the slip casting hole of side slope, and the lantern ring shows on the side slope for supply the side slope protection network to connect.
In the prior art, the anchoring structure is integrally formed, the structure is complex, field assembly cannot be realized, the construction process of the side slope protective net is complex, and the construction efficiency is low.
Disclosure of Invention
The invention aims to provide a side slope protection net construction method based on an assembly type anchoring structure, and aims to solve the problem that the construction process of the side slope protection net construction method based on the assembly type anchoring structure is complex in the prior art.
The invention discloses a side slope protective net construction method based on an assembled anchoring structure, which comprises the following construction steps:
1) Drilling holes on the side slope to form a plurality of grouting holes arranged in a dot matrix manner;
2) Injecting slurry into the grouting hole, placing an anchoring rod into the grouting hole, anchoring the inner end of the anchoring rod in the grouting hole by the slurry, connecting the outer end of the anchoring rod with a detachable connecting cylinder in an exposed state, connecting an end head with an annular lantern ring at the connecting cylinder, and exposing the lantern ring outside the grouting hole;
3) Arranging transverse supporting ropes and longitudinal supporting ropes on the side slope, wherein the transverse supporting ropes and the longitudinal supporting ropes are arranged in a criss-cross mode and penetrate through the lantern ring; a plurality of adjacent longitudinal support ropes and a plurality of transverse support ropes are enclosed to form a closed annular hollow area, and the longitudinal support ropes and the transverse support ropes are respectively provided with an enclosing section enclosed in the hollow area;
4) Laying a steel rope net in the hollow area, wherein the periphery of the steel rope net is respectively connected with the plurality of enclosing sections in a sewing way; and laying a steel wire grid in the hollow area, wherein the steel wire grid is fixed on the steel rope net and is formed between the steel rope net and the side slope.
Further, the outer end of the anchoring rod is in threaded connection with the connecting cylinder, in the construction step 2), after the connecting cylinder is in threaded connection with the outer end of the anchoring rod, the inner end of the anchoring rod is inserted into the grouting hole, and the inner end of the anchoring rod is anchored in the grouting hole by the slurry.
Further, the end head is provided with a threaded section, and in the construction step 2), the threaded section is in threaded connection with the connecting cylinder.
Further, the lantern ring is connected to the outer end of the end head, the inner end of the end head extends inwards to form a transition section, the transition section extends inwards to form the thread section, and the outer side wall of the transition section is obliquely arranged inwards along the direction from outside to inside; in the construction step 2), after the threaded section is connected to the outer end of the connecting cylinder, the transition section is formed between the end head and the connecting cylinder.
Furthermore, a fixing cavity with an opening at the outer end is arranged in the outer end of the end head, two end parts of the lantern ring are embedded into the fixing cavity and are fixedly connected with the end head, and the lantern ring is enclosed to form a closed trepan boring; in the construction step 3), the longitudinal support ropes and the transverse support ropes respectively pass through the trepanning and are arranged in a crossed manner;
the lantern ring is formed by winding a plurality of flexible strips made of metal materials, and the plurality of flexible strips at the two end parts of the lantern ring are embedded into the fixing cavity after being connected into a whole in a staggered winding manner.
Further, the lantern ring is provided with an inner side wall facing the sleeve hole, a protective ring made of metal is connected to the inner side wall of the lantern ring, and the protective ring extends along the circumferential direction of the lantern ring; a connecting strip is arranged in the trepanning, and two ends of the connecting strip are respectively connected with the protective ring;
the sleeve hole is internally provided with a cross cylinder, the cross cylinder comprises a transverse cylinder and a longitudinal cylinder, the transverse cylinder and the longitudinal cylinder are transversely arranged, the transverse cylinder and the longitudinal cylinder are connected through a connecting block, the transverse cylinder and the longitudinal cylinder are mutually and vertically arranged, and the connecting block is rotatably connected with a connecting strip;
in the construction step 3), the longitudinal support ropes pass through the longitudinal cylinders, and the transverse support ropes pass through the transverse cylinders.
Further, a pit with an external opening is formed on the side slope, and the grouting hole is formed at the bottom of the pit; in the construction step 2), the connecting cylinder and the end head are sunk into the pit, and the lantern ring is exposed outside the pit.
Further, in the construction step 3), in the construction step 4), the steel wire mesh is enclosed to form a plurality of large meshes, the periphery of the steel wire grid is connected with the steel wire mesh, the middle part of the steel wire grid is arranged separately from the steel wire mesh, and a plurality of small meshes are enclosed in the steel wire grid; the small mesh holes span between adjacent large mesh holes, and the diameter of the small mesh holes is smaller than that of the large mesh holes.
Furthermore, a deformation cavity is arranged in the threaded section, the deformation cavity is upwards communicated with the fixed cavity, and the deformation cavity downwards penetrates through the bottom of the threaded section; a plurality of strip-shaped notches penetrating through the threaded section from top to bottom are formed in the side wall of the threaded section, and the strip-shaped notches are arranged at intervals along the circumferential direction of the threaded section;
the bottom of the thread section is in a conical shape to form a conical head, the lantern ring is a steel wire rope, two ends of the steel wire rope are respectively embedded into the embedded sections in the fixed cavity, and the middle of the steel wire rope is enclosed to form an annular shape; the embedding section downwards passes through the deformation cavity and is provided with a penetrating section penetrating through the bottom of the threaded section;
the inner side wall of the threaded section is convexly provided with a plurality of contact pins, when the embedding section penetrates through the deformation cavity, the threaded section is extruded outwards to expand and deform outwards, when the threaded section is connected with the connecting cylinder, the threaded section is extruded inwards to deform and clamp and fix the embedding section, and the plurality of contact pins are inserted into the embedding section; the penetrating section is bent upwards and reversely and fixed on the outer side wall of the conical head and extends to the periphery of the threaded section.
Furthermore, a deformation outer cylinder and a deformation inner cylinder are arranged in the deformation cavity, the deformation inner cylinder is sleeved in the deformation outer cylinder, an outer ring space is formed by the deformation outer cylinder and the inner side wall of the deformation cavity in a surrounding mode, an inner ring space is formed by the deformation outer cylinder and the deformation inner cylinder in a surrounding mode, and an inner cylinder cavity is formed in the deformation inner cylinder;
the embedded section penetrates through the outer ring space, the inner ring space and the inner cylinder cavity respectively, the bottom of the deformation inner cylinder extends downwards to form the bottom of the thread section to form a reversely bent pressing ring, and the pressing ring abuts against the end part of the conical head;
the inner side wall of the deformation outer barrel is convexly provided with a plurality of bulges, when the thread section is screwed into the connecting barrel, the thread section extrudes inwards, the deformation outer barrel and the deformation inner barrel are extruded and deformed, and the bulges are pressed on the outer side wall of the deformation inner barrel.
Compared with the prior art, the slope protection net construction method based on the fabricated anchoring structure has the advantages that the anchoring rods are fixedly arranged, the longitudinal supporting ropes and the transverse supporting ropes penetrate through the lantern rings to be fixed, and the steel wire grids are arranged in the hollow areas of the longitudinal supporting ropes and the transverse supporting ropes to play an active protection role on the slope; the anchor rod and the end are respectively detachably connected with the connecting cylinder, can be detached from each other and can also be connected into a whole, the anchor rod is anchored in a grouting hole of a side slope in the construction process, a lantern ring on the end is exposed on the side slope and is used for being connected with a side slope protective net, field assembly can be achieved, the preparation process is simple, and the cost is low.
Drawings
FIG. 1 is a schematic front view of an anchor rod, head and connector barrel connection provided by the present invention;
FIG. 2 is a schematic front view of a tip provided in accordance with the present invention;
FIG. 3 is a schematic front view of an anchor rod of the present invention secured to a side slope;
FIG. 4 is a schematic internal view of a threaded segment provided in accordance with the present invention;
fig. 5 is a schematic front view of a side slope protection net provided by the present invention;
FIG. 6 is a schematic front view of the collar of the present invention shown exposed on a side slope;
FIG. 7 is a schematic front view of the fit between the collar, guard ring and cross barrel provided by the present invention.
Detailed Description
In order 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 accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operate, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and it is possible for one of ordinary skill in the art to understand the specific meaning of the above terms according to the specific situation.
Referring to fig. 1-7, preferred embodiments of the present invention are provided.
The side slope protective net construction method based on the assembly type anchoring structure comprises the following construction steps:
1) Drilling holes in the side slope 600 to form a plurality of grouting holes arranged in a dot matrix manner;
2) Injecting slurry into the grouting hole, placing an anchoring rod 100 into the grouting hole, anchoring the inner end of the anchoring rod 100 in the grouting hole by the slurry, arranging a detachable connecting cylinder 200 at the outer end of the anchoring rod 100, exposing the connecting cylinder 200, connecting an end head 301 to the connecting cylinder 200, arranging a ring-shaped lantern ring 300 at the end head 301, and exposing the lantern ring 300 outside the grouting hole;
3) Arranging transverse supporting ropes and longitudinal supporting ropes on the slope 600, wherein the transverse supporting ropes and the longitudinal supporting ropes are arranged in a criss-cross mode and penetrate through the lantern ring 300; the adjacent longitudinal support ropes and the transverse support ropes are enclosed to form a closed annular hollow area, and the longitudinal support ropes and the transverse support ropes are respectively provided with an enclosing section enclosed in the hollow area;
4) A steel rope net 601 is laid in the hollow area, and the periphery of the steel rope net 601 is respectively connected with the plurality of enclosure sections in a sewing mode; a steel wire grating 602 is laid in the hollow area, and the steel wire grating 602 is fixed on the steel rope net 601 and formed between the steel rope net 601 and the slope 600.
According to the construction method of the side slope protection net based on the fabricated anchoring structure, the anchoring rods 100 are fixedly arranged, the longitudinal supporting ropes and the transverse supporting ropes penetrate through the lantern rings 300 to be fixed, and the steel wire grids 602 are arranged in the hollow areas of the longitudinal supporting ropes and the transverse supporting ropes to play an active protection role on the side slope 600; the anchor rod 100 and the end head 301 are respectively detachably connected with the connecting cylinder 200, can be detached from each other and can also be connected into a whole, in the construction process, the anchor rod 100 is anchored in a grouting hole of the side slope 600, the lantern ring 300 on the end head 301 is exposed on the side slope 600 and is used for being connected with a protective net of the side slope 600, the field assembly can be realized, the preparation process is simple, and the cost is low.
The outer end of the anchoring rod 100 is in threaded connection with the connecting cylinder 200, in the construction step 2), after the connecting cylinder 200 is in threaded connection with the outer end of the anchoring rod 100, the inner end of the anchoring rod 100 is inserted into the grouting hole, and the inner end of the anchoring rod 100 is anchored in the grouting hole by the grout. Through threaded connection, the connection is convenient, and the connection is also firm.
In this embodiment, the end 301 has a threaded section 302, and in the step 2), the threaded section 302 is threadedly connected to the connecting cylinder 200.
The collar 300 is connected to the outer end of the end head 301, the inner end of the end head 301 extends inwards to form a transition section 305, the transition section 305 extends inwards to form a threaded section 302, and the outer side wall of the transition section 305 is arranged obliquely inwards along the direction from outside to inside; during the construction step 2), after the threaded section 302 is connected to the outer end of the connector barrel 200, a transition section 305 is formed between the head 301 and the connector barrel 200.
The transition section 305 is arranged, so that the connection between the threaded section 302 and the connecting cylinder 200 is facilitated, and the end head 301 can be detached if needed after subsequent construction is finished, and also can be detached conveniently.
A fixing cavity with an opening at the outer end is arranged in the outer end of the end head 301, two end parts of the lantern ring 300 are embedded in the fixing cavity and fixedly connected with the end head 301, and the lantern ring 300 is enclosed to form a closed trepanning; in the construction step 3), the longitudinal support ropes and the transverse support ropes respectively pass through the trepanning and are arranged in a crossed manner.
The lantern ring 300 is formed by winding a plurality of flexible strips made of metal materials, and the plurality of flexible strips at the two ends of the lantern ring 300 are embedded into the fixed cavity after being connected into a whole in a staggered winding manner, so that the two ends of the lantern ring 300 can be connected into a whole, and the connection is more stable.
The longitudinal supporting ropes and the transverse supporting ropes are arranged in a cross mode, so that the longitudinal supporting ropes and the transverse supporting ropes are also fixed relatively.
The lantern ring 300 is provided with an inner side wall facing the trepanning, a protective ring 700 made of metal is connected to the inner side wall of the lantern ring 300, and the protective ring 700 extends along the circumferential direction of the lantern ring; a connecting strip 701 is arranged in the trepanning, and two ends of the connecting strip 701 are respectively connected with the protective ring 700;
a cross barrel is arranged in the trepanning and comprises a transverse barrel 703 arranged transversely and a longitudinal barrel 702 arranged longitudinally, the transverse barrel 703 and the longitudinal barrel 702 are connected through a connecting block 704, the transverse barrel 703 and the longitudinal barrel 702 are arranged vertically, and the connecting block 704 is rotatably connected with the connecting strip 701; in the construction step 3), the longitudinal support rope passes through the longitudinal cylinder 702, and the transverse support rope passes through the transverse cylinder 703.
Like this, with transversely supporting rope and vertical supporting rope between separate the arranging, both contacts can not appear, can avoid between transversely supporting rope and the vertical supporting rope mutual butt friction, cause the damage, and set up guard ring 700, can carry out the nature determination to the shape of lantern ring 300, and avoid transversely supporting rope and vertical supporting rope direct and lantern ring 300 butt wearing and tearing etc..
A pit 605 with an external opening is formed on the side slope 600, and a grouting hole is formed at the bottom of the pit 605; in the construction step 2), the connecting cylinder 200 and the head 301 are sunk into the recess 605, and the collar 300 is exposed outside the recess 605. Therefore, the whole protective net for the side slope 600 can be more tightly attached to the side slope 600, and the side slope 600 can be better protected.
In the construction step 3), in the construction step 4), the steel rope net 601 is enclosed to form a plurality of large meshes, the periphery of the steel rope net 602 is connected with the steel rope net 601, the middle part of the steel rope net 602 is separated from the steel rope net 601, and a plurality of small meshes are enclosed in the steel rope net 602; the small mesh holes span between adjacent large mesh holes, and the diameter of the small mesh holes is smaller than that of the large mesh holes.
Thus, when some fragments and the like fall from the slope 600, the fragments cannot fall downward from the slope 600 to the outside under the blocking of the steel wire grid 602 and the steel rope net 601, and can be blocked and fixed or slowly fall down along the slope 600.
In this embodiment, a deformation cavity is arranged in the threaded section 302, the deformation cavity is communicated with the fixed cavity upwards, and the deformation cavity penetrates through the bottom of the threaded section 302 downwards; a plurality of strip-shaped notches 304 penetrating through the threaded section 302 from top to bottom are formed in the side wall of the threaded section 302, and the strip-shaped notches 304 are arranged at intervals along the circumferential direction of the threaded section 302;
the bottom of the thread section 302 is in a conical shape to form a conical head 303, the lantern ring 300 is a steel wire rope, two ends of the steel wire rope are respectively embedded into the embedded sections in the fixed cavity, and the middle of the steel wire rope is enclosed to form a ring shape; the inset segment passes downward through the deformable cavity with a pass-out segment passing through the bottom of the threaded segment 302;
a plurality of contact pins are convexly arranged on the inner side wall of the threaded section 302, when the embedded section passes through the deformation cavity, the threaded section 302 is outwards extruded and outwards expanded to deform, when the threaded section 302 is connected with the connecting cylinder 200, the threaded section 302 is inwards extruded to deform and clamps and fixes the embedded section, and the plurality of contact pins are inserted into the embedded section; the penetrating section is bent upwards and reversely and fixed on the outer side wall of the conical head 303 and along the periphery of the threaded section 302.
Since the longitudinal support ropes and the transverse support ropes pass through the wire ropes and are fixed, the stability of the wire ropes is particularly important for the whole slope 600 protection net. The embedding section passes the in-process of deforming chamber, can extrude screw thread section 302 and expand outward and be out of shape, and the penetration of the embedding section of being convenient for receives the squeezing action of connecting cylinder 200 after screw thread section 302 precession in connecting cylinder 200, screw thread section 302 shrink deformation inwards to extrusion embedding section, and utilize a plurality of contact pins to insert in the embedding section, can make the embedding section firm arrange the deformation chamber of screw thread section 302 in.
The penetrating section is reversely bent and fixed on the outer side wall of the conical head 303, so that after the threaded section 302 is screwed into the connecting cylinder 200, the penetrating section is pressed by the connection between the threaded section 302 and the connecting cylinder 200 to realize fixation, and when the lantern ring 300 is subjected to a large pulling force outwards, the position fixation can be ensured.
In this embodiment, a deformation outer cylinder 500 and a deformation inner cylinder 501 are arranged in the deformation cavity, the deformation inner cylinder 501 is sleeved inside the deformation outer cylinder 500, an outer ring space 3021 is formed by the deformation outer cylinder 500 and the inner side wall of the deformation cavity, an inner ring space 502 is formed by the deformation outer cylinder 500 and the deformation inner cylinder 501, and an inner cylinder cavity 503 is formed in the deformation inner cylinder 501;
the embedded section respectively penetrates through the outer ring space 3021, the inner ring space 502 and the inner cylinder cavity 503, the bottom of the deformation inner cylinder 501 downwards extends out of the bottom of the threaded section 302 to form a reversely bent pressing ring, and the pressing ring is abutted against the end part of the conical head;
the inner side wall of the deformation outer cylinder 500 is convexly provided with a plurality of bulges, when the threaded section 302 is screwed into the connecting cylinder 200, the threaded section 302 extrudes inwards, the deformation outer cylinder 500 and the deformation inner cylinder 501 are extruded and deformed, and the plurality of bulges are pressed on the outer side wall of the deformation inner cylinder 501.
After the embedding sections penetrate into the deformation cavity, the deformation outer cylinder 500 and the deformation inner cylinder 501 are inserted into the embedding sections, and after the thread section 302 is screwed into the connecting cylinder 200, the deformation outer cylinder 500 and the deformation inner cylinder 501 deform after being extruded, so that the embedding sections in the outer ring space 3021, the inner ring space 502 and the inner cylinder cavity 503 are extruded and fixed, multi-position fixing is realized, and the connection stability is greatly enhanced.
In addition, the pressing ring 504 presses against the conical head 303 and also presses against the penetrating section to further fix the penetrating section, and the position of the deformation inner cylinder 501 is stable under the limitation of the conical head 303 of the threaded section 302, so that even under the action of tensioning, the deformation inner cylinder does not move relative to the threaded section 302, and the embedding section and the penetrating section can be clamped more stably.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. The side slope protective net construction method based on the assembly type anchoring structure is characterized by comprising the following construction steps:
1) Drilling holes on the side slope to form a plurality of grouting holes arranged in a dot matrix manner;
2) Injecting slurry into the grouting hole, placing an anchoring rod into the grouting hole, anchoring the inner end of the anchoring rod in the grouting hole by the slurry, wherein the outer end of the anchoring rod is provided with a detachable connecting cylinder which is in an exposed state, and an end head is connected with the connecting cylinder and is provided with a ring-shaped lantern ring which is exposed outside the grouting hole;
3) Arranging transverse supporting ropes and longitudinal supporting ropes on the side slope, wherein the transverse supporting ropes and the longitudinal supporting ropes are arranged in a criss-cross mode and penetrate through the lantern rings; a plurality of adjacent longitudinal support ropes and a plurality of transverse support ropes are enclosed to form a closed annular hollow area, and the longitudinal support ropes and the transverse support ropes are respectively provided with an enclosing section enclosed in the hollow area;
4) Laying a steel rope net in the hollow area, wherein the periphery of the steel rope net is respectively connected with the plurality of enclosing sections in a sewing way; and laying a steel wire grid in the hollow area, wherein the steel wire grid is fixed on the steel rope net and is formed between the steel rope net and the side slope.
2. The method for constructing a side slope protection net based on an assembled anchoring structure according to claim 1, wherein the outer end of the anchoring rod is connected with the connecting cylinder in a threaded manner, in the construction step 2), after the connecting cylinder is connected with the outer end of the anchoring rod in a threaded manner, the inner end of the anchoring rod is inserted into the grouting hole, and the grout anchors the inner end of the anchoring rod in the grouting hole.
3. The method for constructing the side slope protection net based on the fabricated anchoring structure according to claim 2, wherein the end head has a threaded section, and in the step 2), the threaded section is connected with the connecting cylinder in a threaded manner.
4. The method for constructing the protective screening of side slope based on the fabricated anchoring structure according to any one of claims 1 to 3, characterized in that the lantern ring is connected to the outer end of the head, the inner end of the head is extended inwards to form a transition section, the transition section is extended inwards to form the threaded section, and the outer side wall of the transition section is arranged obliquely inwards along the direction from outside to inside; in the construction step 2), after the threaded section is connected to the outer end of the connecting cylinder, the transition section is formed between the end head and the connecting cylinder.
5. The method for constructing the side slope protection net based on the fabricated anchoring structure according to claim 4, wherein a fixing cavity with an opening at the outer end is arranged in the outer end of the end head, two end parts of the lantern ring are embedded in the fixing cavity and fixedly connected with the end head, and the lantern ring is enclosed to form a closed trepan boring; in the construction step 3), the longitudinal support ropes and the transverse support ropes respectively pass through the trepanning and are arranged in a crossed manner;
the lantern ring is formed by winding a plurality of flexible strips made of metal materials, and the plurality of flexible strips at the two end parts of the lantern ring are embedded into the fixing cavity after being connected into a whole in a staggered winding manner.
6. The method for constructing a slope protection net based on an assembled anchoring structure according to claim 5, wherein the lantern ring has an inner side wall facing the trepan boring, and a protection ring made of metal is connected to the inner side wall of the lantern ring and arranged along the circumferential direction of the lantern ring; a connecting strip is arranged in the trepanning, and two ends of the connecting strip are respectively connected with the protective ring;
the sleeve hole is internally provided with a cross cylinder, the cross cylinder comprises a transverse cylinder and a longitudinal cylinder, the transverse cylinder and the longitudinal cylinder are transversely arranged, the transverse cylinder and the longitudinal cylinder are connected through a connecting block, the transverse cylinder and the longitudinal cylinder are mutually and vertically arranged, and the connecting block is rotatably connected with a connecting strip;
in the construction step 3), the longitudinal support ropes pass through the longitudinal cylinders, and the transverse support ropes pass through the transverse cylinders.
7. The construction method of the side slope protection net based on the fabricated anchoring structure according to any one of claims 1 to 3, wherein a pit with an external opening is formed on the side slope, and the grouting hole is formed at the bottom of the pit; in the construction step 2), the connecting cylinder and the end head are sunk into the pit, and the lantern ring is exposed outside the pit.
8. The method for constructing a side slope protection net based on an assembled anchoring structure according to any one of claims 1 to 3, wherein in the construction step 3), in the construction step 4), the wire rope net is enclosed to form a plurality of large meshes, the periphery of the wire rope net is connected with the wire rope net, the middle part of the wire rope net is arranged separately from the wire rope net, and a plurality of small meshes are enclosed in the wire rope net; the small mesh holes span between adjacent large mesh holes, and the diameter of the small mesh holes is smaller than that of the large mesh holes.
9. The construction method of the side slope protection net based on the fabricated anchoring structure according to claim 5, wherein a deformation cavity is arranged in the threaded section, the deformation cavity is communicated with the fixed cavity upwards, and the deformation cavity penetrates through the bottom of the threaded section downwards; a plurality of strip-shaped notches penetrating through the threaded section from top to bottom are formed in the side wall of the threaded section, and the strip-shaped notches are arranged at intervals along the circumferential direction of the threaded section;
the bottom of the thread section is in a conical shape to form a conical head, the lantern ring is a steel wire rope, two ends of the steel wire rope are respectively embedded into the embedded sections in the fixed cavity, and the middle of the steel wire rope is enclosed to form an annular shape; the embedding section downwards passes through the deformation cavity and is provided with a penetrating section penetrating through the bottom of the threaded section;
the inner side wall of the threaded section is convexly provided with a plurality of contact pins, when the embedded section penetrates through the deformation cavity, the threaded section is extruded outwards to expand and deform, when the threaded section is connected with the connecting cylinder, the threaded section is extruded inwards to deform and clamps and fix the embedded section, and the plurality of contact pins are inserted into the embedded section; the penetrating section is bent upwards and reversely and fixed on the outer side wall of the conical head and extends to the periphery of the threaded section.
10. The method for constructing a slope protection net based on an assembled anchoring structure according to claim 6, characterized in that a deformation outer cylinder and a deformation inner cylinder are arranged in the deformation cavity, the deformation inner cylinder is sleeved inside the deformation outer cylinder, an outer ring space is formed by the deformation outer cylinder and the inner side wall of the deformation cavity in an enclosing manner, an inner ring space is formed by the deformation outer cylinder and the deformation inner cylinder in an enclosing manner, and an inner cylinder cavity is arranged in the deformation inner cylinder;
the embedded section penetrates through the outer ring space, the inner ring space and the inner cylinder cavity respectively, the bottom of the deformation inner cylinder extends downwards to form the bottom of the thread section to form a reversely bent pressing ring, and the pressing ring abuts against the end part of the conical head;
the inner side wall of the deformation outer cylinder is convexly provided with a plurality of bulges, when the thread section is screwed in the connecting cylinder, the thread section extrudes inwards, the deformation outer cylinder and the deformation inner cylinder are extruded and deformed, and the bulges are pressed on the outer side wall of the deformation inner cylinder.
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