CN207878485U - A kind of slope anchorage structure based on SNS soft protecting nets - Google Patents
A kind of slope anchorage structure based on SNS soft protecting nets Download PDFInfo
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- CN207878485U CN207878485U CN201820249298.3U CN201820249298U CN207878485U CN 207878485 U CN207878485 U CN 207878485U CN 201820249298 U CN201820249298 U CN 201820249298U CN 207878485 U CN207878485 U CN 207878485U
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- rope
- anchor
- anchor pole
- slope
- twisted steel
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Abstract
The utility model provides a kind of slope anchorage structure based on SNS soft protecting nets,Including pad pier anchor pole and SNS flexible active protecting nets,Pad pier anchor pole include anchoring section enter Side Slope crack face stablize in weathered rock formation preset anchor hole in fining twisted steel anchor pole,The wire rope anchor and multiple locators being fixed on fining twisted steel anchor pole,Admittedly being placed on fining twisted steel anchor pole top and the pad pier in side slope pre-pits,The cement mortar that note is set on the downside of pad pier around fining twisted steel anchor pole and coats wire rope anchor and locator,The billet that sequence is set to pad pier upper surface and is socketed with fining twisted steel anchor pole,Welded reinforcement,Sealing off and covering anchorage and the exposed ring set of wire rope anchor,SNS flexible active protecting nets include the supporting rope being fixedly connected with the exposed ring set of wire rope anchor,It is coupled the steel rope net tensed with supporting rope suture inside supporting rope and by suturing rope.This slope anchorage structure construction is convenient, low cost, and vegetation can grow among protection network, environmentally protective.
Description
Technical field
The utility model is related to side slope protection technical fields, and in particular to a kind of side slope anchor based on SNS soft protecting nets
Fixing structure.
Background technology
Traditional slope anchorage structure mainly has bolt-spary supports (anchor pole+bar-mat reinforcement+concrete spraying support), ribbed plate anchor rod
Barricade (anchor pole+rib column+armored concrete panel) etc., side slope fluctuating load is mainly undertaken by anchor pole.It is unstable for slope surface
Rock And Soil is mainly protected by panel or gunite concrete bar-mat reinforcement, then delivers load to anchor pole, then passed by anchor pole
It is delivered to deep rock mass stability.The utility model inventor has found that these traditional method for protecting support have the following disadvantages:
1, after side slope performs, entirely concrete enclosing body, vegetation can not grow, larger to environmental disruption;2, it in work progress, also needs
It pours or gunite concrete, working procedure is complicated, and cost is high.
Utility model content
For technical problem of the existing technology, the utility model provides a kind of based on the novel of SNS soft protecting nets
Slope anchorage structure, the slope anchorage structure construction is convenient, and cost is cheaper than conventional panels ribbed anchored bolt retaining wall, and in protection network
Between vegetation can grow, it is environmentally protective, be suitable for hard rock or gravelly soil slope tr eatment engineering.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of slope anchorage structure based on SNS soft protecting nets, including pad pier anchor pole and SNS flexible active protecting nets,
The pad pier anchor pole include anchoring section enter Side Slope crack face stablize in weathered rock formation preset anchor hole in fining twisted steel anchor pole,
It is fixed on the fining twisted steel anchor pole and is anchored into the wire rope anchor of weathered rock formation in stabilization, is fixed on fining twisted steel anchor pole
Multiple locators on anchoring section, admittedly the pad pier for being placed on fining twisted steel anchor pole top and being located in side slope pre-pits, note are set
The cement mortar around the fining twisted steel anchor pole of pad pier downside and coated wire rope anchor and locator, is set to pad pier upper surface
And with the billet of fining twisted steel anchor pole socket, the welding steel for being set to billet upper surface and being socketed with fining twisted steel anchor pole
Muscle, the sealing off and covering anchorage for being set to pad pier upper surface and coating billet, welded reinforcement and fining twisted steel anchor pole top are set in pad pier
Surface and with the exposed ring set of the fixed wire rope anchor in wire rope anchor upper end that stretches out pad pier upper surface, the exposed ring of wire rope anchor
The top of set is not higher by side slope face;The SNS flexible active protecting nets include the branch being fixedly connected with the exposed ring set of wire rope anchor
Support rope is set to inside supporting rope and is coupled the steel rope net tensed with supporting rope suture by suturing rope.
Further, the anchoring section of the fining twisted steel anchor pole enters at least 4 meters of weathered rock formation during Side Slope crack face is stablized,
The wire rope anchor anchors at least 3 meters of weathered rock formation in stabilization.
Further, the depth of the default anchor hole than the length of fining twisted steel anchor pole to 5 centimetres of the youthful and the elderly.
Further, the depth of the side slope pre-pits is 12~18 millimeters.
Further, the pad pier is made of C25 reinforced concretes, and the sealing off and covering anchorage is made of C20 concretes.
Further, the square mode arrangement of fining twisted steel anchor pole, the corresponding supporting rope includes crisscross
Cross-brace rope and longitudinal bracing rope, be laid in each square net that the cross-brace rope and longitudinal bracing rope are constituted
One steel rope net.
Further, multiple grids being connect with supporting rope, adjacent grid net are also equipped with below every steel rope net
Between and grid and supporting rope between use iron wire ligation.
Further, the overlapping widths between the adjacent grid net are not less than 5 centimetres, between adjacent grid net and grid with
Ligation is carried out by 1 meter of spacing using a diameter of 1.2 millimeters of iron wire between supporting rope.
Further, the specification of the steel rope net is D0/08/300, and the specification of the grid is S0/2.2/50.
Compared with prior art, the slope anchorage structure provided by the utility model based on SNS soft protecting nets have with
Lower advantage:
1, after carrying out slope protection using SNS flexible active protecting nets, vegetation can grow, environmentally protective, side slope slope surface
Environmental disruption is smaller;
2, this anchor structure is easy for construction, does not need formwork supporting plate, does not need casting concrete, using the finish rolling of various diameters
Screw-thread steel grouting rock bolt anchoring ability is strong;
3, this slope surface active protecting net is per about 100 yuan of construction cost per square meter, and the every construction cost per square meter of ribbed plate anchor rod barricade is about
800 yuan, bolt-spary supports is per about 500 yuan of construction cost per square meter.Integrated comparative, this anchor structure form and ribbed plate anchor rod barricade phase
Than slope protection can saving construction cost 30%;Compared with Shotcrete Rockbolt Mesh Spray Concrete panel, slope protection can saving construction cost
50%, thus cost is relatively low.
Description of the drawings
Fig. 1 is the slope anchorage structural facades schematic diagram provided by the utility model based on SNS soft protecting nets.
Fig. 2 is the slope anchorage structural profile illustration provided by the utility model based on SNS soft protecting nets.
Fig. 3 is pad pier anchor structure schematic diagram provided by the utility model.
In figure, 1, pad pier anchor pole;10, fining twisted steel anchor pole;11, wire rope anchor;12, locator;13, pad pier;14, water
Cement mortar;15, billet;16, welded reinforcement;17, sealing off and covering anchorage;18, the exposed ring set of wire rope anchor;2, SNS flexible active protecting nets;
21, supporting rope;22, suture rope;23, steel rope net;24, grid;50, Side Slope crack face;100, side slope face.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
In the description of the present invention, it should be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness
The side of the instructions such as degree ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Position or position relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it should not be understood as limiting the present invention.In the description of the present invention, unless otherwise indicated, " multiple " contain
Justice is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
It please refers to Fig.1 to shown in Fig. 3, the utility model provides a kind of soft based on SNS (Safety Netting System)
Property protection network slope anchorage structure, including pad pier anchor pole 1 and SNS flexible active protecting nets 2, the pad pier anchor pole 1 includes anchor
Gu section L enters the fining twisted steel anchor pole 10 in the default anchor hole in weathered rock formation during Side Slope crack face 50 is stablized, pass through finish rolling screw thread
The steel anchor rod body of rod provides powerful anchor force to improve side slope overall stability, and it is to examine to use finish rolling deformed bar as anchor pole
Consider form of the anchor head using point anchor, have mating nut and billet in the market, and finish rolling deformed bar tensile strength is high,
Larger anchor force can be provided, the wire rope anchor of weathered rock formation in stabilization is fixed on the fining twisted steel anchor pole 10 and anchors into
11, the multiple locators 12 being fixed on 10 anchoring section of fining twisted steel anchor pole can allow fining twisted steel by the locator 12
Position of the anchor pole 10 in anchor hole is centered about, admittedly it is placed on 10 top of fining twisted steel anchor pole and is located at side slope pre-pits
Interior pad pier 13, note are set to around pad pier 13 downside fining twisted steel anchor pole 10 and coat wire rope anchor 11 and locator 12
Cement mortar 14, i.e. wire rope anchor 11 are bonded in by cement mortar 14 in default anchor hole with fining twisted steel anchor pole 10, pad pier
13 or more do not have perfusion mortar, and the billet 15 for being set to 13 upper surface of pad pier and being socketed with fining twisted steel anchor pole 10 is set to steel
15 upper surface of backing plate and the welded reinforcement 16 being socketed with fining twisted steel anchor pole 10 are set to 13 upper surface of pad pier and by billet
15, welded reinforcement 16 and fining twisted steel anchor pole top cladding sealing off and covering anchorage 17, be set to 13 upper surface of pad pier and with stretch out pad pier on
The top of the exposed ring set 18 of the fixed wire rope anchor in 11 upper end of wire rope anchor on surface, the exposed ring set of the wire rope anchor 18 is not high
Go out side slope face 100, and 18 sections of the exposed ring set of wire rope anchor is drawn also without slip casting it may thereby be ensured that the supporting rope of back is tensioned
It is close to earth surface of side slope face after opening as far as possible;The SNS flexible active protecting nets 2 include fixing to connect with the exposed ring set 18 of wire rope anchor
The supporting rope 21 connect is set to 21 inside of supporting rope and sutures the steel rope net 23 for being coupled and tensing with supporting rope 21 by suturing rope 22,
The i.e. described tensioning of steel rope net 23 sockets in the inner space that supporting rope 21 surrounds, from there through wire rope anchor and slope surface Flexible Main
Dynamic protection network carrys out side slope slope surface and is protected.It is flexible actively anti-to hang SNS using slope surface for slope anchorage structure provided by the present application
Protecting wire net, anchor pole use pad pier anchor head structure with SNS flexible active protecting nets junction, that is, use slope surface to hang SNS flexible actively anti-
Protecting wire net is combined with the protection of pad pier anchor pole, thus especially suitable for hard rock or gravelly soil slope tr eatment engineering.
As specific embodiment, the anchoring section of the fining twisted steel anchor pole 10 enters decomposed rock during Side Slope crack face is stablized
At least 4 meters of layer, the wire rope anchor 11 anchor at least 3 meters of weathered rock formation in stabilization, thus can be by the fining twisted steel anchor pole
10 and wire rope anchor 11 securely stablize in middle weathered rock formation, it is therefore prevented that fall off and loosen, thus can be by the drawing at anchor pole head
Power effectively reaches the region of anchoring section.
As specific embodiment, the depth of the default anchor hole than fining twisted steel anchor pole 10 length to 5 centimetres of the youthful and the elderly,
Thus after 10 anchoring section of fining twisted steel anchor pole enters during Side Slope crack face is stablized in the default anchor hole of weathered rock formation, anchor
Gu section does not bottom out also completely, thus can have been carried out to fining twisted steel anchor pole 10 by presetting the cement mortar 14 being perfused in anchor hole
Full cladding keeps positioning of the fining twisted steel anchor pole 10 in default anchor more securely and reliable;In addition, the fining twisted steel anchor
Bar 10, need to be by high pressure gas to being cleaned in default anchor hole before anchoring into default anchor hole.
As specific embodiment, the depth of the side slope pre-pits is 12~18 millimeters, thus makes 13 upper table of pad pier
While component on face including the exposed ring set of wire rope anchor 18 is not by slip casting, it may also be ensured that the tensioning of supporting rope 21 is pulled open
It is close to earth surface of side slope face as far as possible afterwards.
As specific embodiment, the pad pier 13 is made of C25 reinforced concretes, and it is 60 × 60 that size, which specifically may be used,
The pad pier of × 25cm, the sealing off and covering anchorage 17 are made of C20 concretes, the billet 15 specifically may be used size be 20 × 20 ×
The backing plate of 2cm, the cement mortar 14 uses M30 cement mortar, and should be ensured that cement bonded sand slurries are full in default anchor hole, and
Injecting cement paste need to conserve no less than three days before carrying out next process.
As specific embodiment, 10 square mode arrangement of the fining twisted steel anchor pole, i.e., the described fining twisted steel
The square grid matrix distribution on side slope face 100 of anchor pole 10, the corresponding supporting rope 21 include that crisscross transverse direction is propped up
It is laid with a steel cable in each square net that support rope and longitudinal bracing rope, the cross-brace rope and longitudinal bracing rope are constituted
Net 23.As a kind of specific implementation mode, the sizes of each n × n square nets is 2.5 meters × 2.5 meters, each n × n just
A steel rope net 23 is laid in square net, every steel rope net 23 is coupled and is drawn with 22 suture of suture rope between surrounding supporting rope 21
Tightly, which can make system structure impose certain normal direction preload pressure to slope surface, to improve surface layer Rock And Soil
Stability prevents the generation of collapse rock-fall and fraction falling rocks is limited in certain space to move as much as possible.Installation is vertical
To supporting rope and cross-brace rope, the next both ends of tensioning are respectively fixedly connected with 2~4 rope cards with the exposed ring set of wire rope anchor 18,
Specifically blocked using 2 ropes when the length of supporting rope is less than 15 meters, blocked using 4 ropes when being more than 30 meters, uses 3 ropes therebetween
Card.And suture rope 22 and specifically can be used D8 steel cables, every steel rope net 23 use about 31 meters or 27 meters of a root long suture rope 22 and
Surrounding supporting rope 21 carries out suture and pre- tensioning, and 22 both ends of suture rope, which are respectively fixed with two rope cards with steel rope net 23, to be coupled.
As specific embodiment, every 23 lower section of the steel rope net is also equipped with multiple grids being connect with supporting rope 21
24, iron wire ligation is used between adjacent grid net and between grid 24 and supporting rope 21.The present embodiment passes through under steel rope net 23
The grid 24 that side is laid with small mesh enhances the reality of this slope anchorage structure it is possible thereby to prevent the slump of small size sillar
The property used.
As specific embodiment, overlapping widths between the adjacent grid net are not less than 5 centimetres, between adjacent grid net and
Ligation is carried out by 1 meter of spacing using a diameter of 1.2 millimeters of iron wire between grid and supporting rope, thus can be made between adjacent grid net
And the connection between grid and supporting rope is more solid and reliable, enhances the anchoring ability of this slope anchorage structure.
As specific embodiment, the specification of the steel rope net 23 is D0/08/300, and the specification of the grid 24 is S0/
2.2/50.Specifically, D0/08/300 steel rope nets mainly use steel wire rope to work out, and there is high flexibility, height protection intensity easily to sprawl
Property, and S0/2.2/50 grids have high-ductility mainly using zinc-plated high strength wire rope as the primary protection system of main material
Property, the strong points such as high protection intensity, easy spreadability, thus the steel rope net of foregoing metrics and grid are particularly adapted to slope surface landform
Active defense.Certainly, those skilled in the art can also use other model steel rope nets and grid on foregoing metrics,
As long as being capable of side slope progress effective protection.
Compared with prior art, the slope anchorage structure provided by the utility model based on SNS soft protecting nets have with
Lower advantage:
1, after carrying out slope protection using SNS flexible active protecting nets, vegetation can grow, environmentally protective, side slope slope surface
Environmental disruption is smaller;
2, this anchor structure is easy for construction, does not need formwork supporting plate, does not need casting concrete, using the finish rolling of various diameters
Screw-thread steel grouting rock bolt anchoring ability is strong;
3, this slope surface active protecting net is per about 100 yuan of construction cost per square meter, and the every construction cost per square meter of ribbed plate anchor rod barricade is about
800 yuan, bolt-spary supports is per about 500 yuan of construction cost per square meter.Integrated comparative, this anchor structure form and ribbed plate anchor rod barricade phase
Than slope protection can saving construction cost 30%;Compared with Shotcrete Rockbolt Mesh Spray Concrete panel, slope protection can saving construction cost
50%, thus cost is relatively low.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (9)
1. a kind of slope anchorage structure based on SNS soft protecting nets, which is characterized in that including pad pier anchor pole and SNS Flexible Mains
Dynamic protection network, the pad pier anchor pole include that anchoring section enters weathered rock formation during Side Slope crack face is stablized and presets finish rolling spiral shell in anchor hole
Line steel anchor rod is fixed on the fining twisted steel anchor pole and anchors into the wire rope anchor of weathered rock formation in stabilization, is fixed on finish rolling
Multiple locators on twisted steel anchor rod anchoring section, admittedly being placed on fining twisted steel anchor pole top and in side slope pre-pits
Pad pier, the cement mortar that note is set on the downside of pad pier around fining twisted steel anchor pole and coats wire rope anchor and locator, is set to
Pad pier upper surface and with fining twisted steel anchor pole socket billet, be set to billet upper surface and with fining twisted steel anchor sleeve
The welded reinforcement connect, the sealing off and covering anchorage for being set to pad pier upper surface and coating billet, welded reinforcement and fining twisted steel anchor pole top,
Set on pad pier upper surface and with the exposed ring set of the fixed wire rope anchor in wire rope anchor upper end that stretches out pad pier upper surface, the steel cable
The top of the exposed ring set of anchor pole is not higher by side slope face;The SNS flexible active protecting nets include solid with the exposed ring set of wire rope anchor
Surely the supporting rope connected is set to inside supporting rope and is coupled the steel rope net tensed with supporting rope suture by suturing rope.
2. the slope anchorage structure according to claim 1 based on SNS soft protecting nets, which is characterized in that the finish rolling
The anchoring section of twisted steel anchor rod enters at least 4 meters of weathered rock formation during Side Slope crack face is stablized, and the wire rope anchor anchors into stabilization
At least 3 meters of weathered rock formation.
3. the slope anchorage structure according to claim 1 based on SNS soft protecting nets, which is characterized in that described default
The depth of anchor hole than fining twisted steel anchor pole length to 5 centimetres of the youthful and the elderly.
4. the slope anchorage structure according to claim 1 based on SNS soft protecting nets, which is characterized in that the side slope
The depth of pre-pits is 12~18 millimeters.
5. the slope anchorage structure according to claim 1 based on SNS soft protecting nets, which is characterized in that the pad pier
It is made of C25 reinforced concretes, the sealing off and covering anchorage is made of C20 concretes.
6. the slope anchorage structure according to claim 1 based on SNS soft protecting nets, which is characterized in that the finish rolling
The square mode arrangement of twisted steel anchor rod corresponds to cross-brace rope and longitudinal bracing that the supporting rope includes crisscross
A steel rope net is laid in each square net that rope, the cross-brace rope and longitudinal bracing rope are constituted.
7. the slope anchorage structure according to claim 6 based on SNS soft protecting nets, which is characterized in that described in every
It is also equipped with multiple grids being connect with supporting rope below steel rope net, is adopted between adjacent grid net and between grid and supporting rope
With iron wire ligation.
8. the slope anchorage structure according to claim 7 based on SNS soft protecting nets, which is characterized in that described adjacent
Overlapping widths between grid use a diameter of 1.2 milli not less than 5 centimetres between adjacent grid net and between grid and supporting rope
The iron wire of rice carries out ligation by 1 meter of spacing.
9. the slope anchorage structure according to claim 7 based on SNS soft protecting nets, which is characterized in that the steel cable
The specification of net is D0/08/300, and the specification of the grid is S0/2.2/50.
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CN201820249298.3U CN207878485U (en) | 2018-02-11 | 2018-02-11 | A kind of slope anchorage structure based on SNS soft protecting nets |
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CN201820249298.3U CN207878485U (en) | 2018-02-11 | 2018-02-11 | A kind of slope anchorage structure based on SNS soft protecting nets |
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CN201820249298.3U Expired - Fee Related CN207878485U (en) | 2018-02-11 | 2018-02-11 | A kind of slope anchorage structure based on SNS soft protecting nets |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109900563A (en) * | 2019-01-28 | 2019-06-18 | 绍兴文理学院 | Oversize anchor structure face shearing test method |
CN110904981A (en) * | 2019-12-02 | 2020-03-24 | 贵州建工集团第一建筑工程有限责任公司 | Mountain road rock slope SNS flexible network protection system |
CN111139824A (en) * | 2020-01-16 | 2020-05-12 | 华侨大学 | Device for anchor rod prestress nondestructive tensioning and tensioning method thereof |
CN111173007A (en) * | 2020-01-07 | 2020-05-19 | 瑞腾基础工程技术(北京)股份有限公司 | Engineering construction method of side slope protective net |
CN112900456A (en) * | 2021-01-21 | 2021-06-04 | 西南交通大学 | Novel protection architecture of many emergence areas of earthquake side slope |
CN115262547A (en) * | 2022-08-24 | 2022-11-01 | 铁科院(深圳)特种工程有限公司 | Side slope protective net construction method based on assembly type anchoring structure |
CN115404887A (en) * | 2022-09-30 | 2022-11-29 | 中国电建集团成都勘测设计研究院有限公司 | Ecological management is with soil and water conservation side slope protection system |
-
2018
- 2018-02-11 CN CN201820249298.3U patent/CN207878485U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109900563A (en) * | 2019-01-28 | 2019-06-18 | 绍兴文理学院 | Oversize anchor structure face shearing test method |
CN110904981A (en) * | 2019-12-02 | 2020-03-24 | 贵州建工集团第一建筑工程有限责任公司 | Mountain road rock slope SNS flexible network protection system |
CN111173007A (en) * | 2020-01-07 | 2020-05-19 | 瑞腾基础工程技术(北京)股份有限公司 | Engineering construction method of side slope protective net |
CN111139824A (en) * | 2020-01-16 | 2020-05-12 | 华侨大学 | Device for anchor rod prestress nondestructive tensioning and tensioning method thereof |
CN112900456A (en) * | 2021-01-21 | 2021-06-04 | 西南交通大学 | Novel protection architecture of many emergence areas of earthquake side slope |
CN115262547A (en) * | 2022-08-24 | 2022-11-01 | 铁科院(深圳)特种工程有限公司 | Side slope protective net construction method based on assembly type anchoring structure |
CN115404887A (en) * | 2022-09-30 | 2022-11-29 | 中国电建集团成都勘测设计研究院有限公司 | Ecological management is with soil and water conservation side slope protection system |
CN115404887B (en) * | 2022-09-30 | 2023-09-05 | 中国电建集团成都勘测设计研究院有限公司 | Ecological management is with soil and water conservation side slope protection system |
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CF01 | Termination of patent right due to non-payment of annual fee |
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