CN105484174A - Slope anti-rockfall guard net and construction method thereof - Google Patents
Slope anti-rockfall guard net and construction method thereof Download PDFInfo
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- CN105484174A CN105484174A CN201410467353.2A CN201410467353A CN105484174A CN 105484174 A CN105484174 A CN 105484174A CN 201410467353 A CN201410467353 A CN 201410467353A CN 105484174 A CN105484174 A CN 105484174A
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
A slope anti-rockfall guard net comprises cable anchor poles (1), cable nets (4) and steel wire meshes (5); the cable anchor pole (1) is a steel rod, and buried in a slope protection area; the steel wire mesh (5) is paved on a protection grid cell, close to a slope surface, and binding wires can tie and fix the steel wire mesh with vertical support ropes (2) and transverse support ropes (3); the cable net (4) is paved on the top surface of the steel wire mesh(5), and stitching ropes can stitch the cable net with vertical support ropes (2) and transverse support ropes (3). The slope anti-rockfall guard net and a construction method thereof are reasonable in guide net preparation step design, simple in operation, and the prepared guide net is strong and durable, obvious in effect, can intercept road slope rockfall, thus reducing rockfall damages in the road usage process.
Description
Technical field
The present invention relates to a kind of protector for side slope rock-fall proof, specifically, is a kind of protective screening for slope of highway rock-fall proof and construction method.
Background technology
China is the country on mountain more than, and the location passing through mountain area in highway construction is more.Due to some areas rock crushing, or cause rubble to tumble due to rain drop erosion, work the mischief to the vehicle travelled normal on highway, the harm caused because of rockfall has become the one of the main reasons affecting speedway normal operation.Recent domestic all adopts the artificial method removed crag or adopt pulled guiding anti-falling screen, but adopts the method manually removing crag dangerous large, and cost is higher, and adopts the method applicability of pulled guiding anti-falling screen restricted.Therefore, how being tackled by the falling rocks of slope of highway, ensure speedway normal operation, is our problem in the urgent need to address.
Summary of the invention
Object of the present invention, is the protective screening for side slope rock-fall proof providing a kind of wire rope anchor anchoring gauze wire cloth and steel rope net.
Another object of the present invention, is the construction method of the protective screening for side slope rock-fall proof providing a kind of wire rope anchor anchoring gauze wire cloth and steel rope net.
For a protective screening for side slope rock-fall proof, comprise wire rope anchor, steel rope net and gauze wire cloth, is characterized in that:
Described wire rope anchor is steel pole, and it is embedded in side slope protection region, and wire rope anchor one end is provided with wire rope anchor ring set and exposes side slope surface, and the other end is that wire rope anchor tail imbeds inside, side slope ground; Wire rope anchor is that a protection grid unit is arranged in square or rectangle with four, longitudinally adjacent two wire rope anchor head longitudinal bracing ropes connections, and laterally adjacent two wire rope anchor head cross binding ropes connect; The protective screening of side slope rock-fall proof is bound up by some protection grid unit and forms;
Described gauze wire cloth is laid on described protection grid unit, and it presses close to side slope surface, by tied silk, gauze wire cloth and longitudinal bracing rope and cross binding rope is carried out colligation and fixes;
Described steel rope net is laid on the upper surface of described gauze wire cloth, and sews up with longitudinal bracing rope and cross binding rope with stitching rope.
Protective screening for side slope rock-fall proof of the present invention can also be further achieved by the following technical measures.
The aforesaid protective screening for side slope rock-fall proof, the steel pole of wherein said wire rope anchor is enclosed with cement injection.
The aforesaid protective screening for side slope rock-fall proof, the length of wherein said wire rope anchor is 10-20cm.
The aforesaid protective screening for side slope rock-fall proof, wherein said longitudinal bracing rope is >=wire rope of 16mm.
The aforesaid protective screening for side slope rock-fall proof, wherein said cross binding rope is >=wire rope of 16mm.
The aforesaid protective screening for side slope rock-fall proof, wherein said stitching rope is >=wire rope of 8mm.
The aforesaid protective screening for side slope rock-fall proof, the steel wire diameter >=2.0mm of wherein said gauze wire cloth.
The aforesaid protective screening for side slope rock-fall proof, the mutual lap length >=20mm between wherein said gauze wire cloth.
For a construction method for the protective screening of side slope rock-fall proof, it is characterized in that comprising the following steps:
A, clear up domatic: manually the surface dust in slope protection region and float stone are removed, to being unfavorable for that protective screening is installed and the local landform of Function is suitably repaired;
B, position, city's roads determination wire rope anchor hole, in length and breadth spacing 4.5 meters, and be not less than the pit that wire rope anchor exposes ring set length, general bore 20cm, dark 20cm in each position, hole place cutter one degree of depth;
C, by projected depth Drilling wire rope anchor hole and clear hole, hole depth should 5cm more than longer than design wire rope anchor length, and aperture is not less than 45mm; When by rock drilling equipment restriction, the two strands of steel cables forming every root wire rope anchor can anchor into two apertures respectively and be not less than in the steel cable anchor hole of 35mm, and form herringbone wire rope anchor, between two strands of steel cables, angle is 15 ° ~ 30 °;
D, cement injection enter wire rope anchor hole and insert wire rope anchor: cement injection liquid label is not less than M20, adopt cement-sand ratio 1:1 ~ 1.2, the neat slurry of water/binder ratio 0.45 ~ 0.50, cement uses 425 Portland cements, particle diameter is preferentially selected to be not more than the middle fine sand of 3mm, guarantee that cement injection liquid is full, before carrying out next process, cement injection maintenance is no less than three days;
E, laying gauze wire cloth, gauze wire cloth mesh is 5x5cm, steel wire diameter 3mm; At every grade of slope Po Ding, establish jury anchor solid point every 3 meters, gauze wire cloth is carried out temporary fixed, constructs step by step from the bottom to top;
F, installation are in length and breadth to supporting rope, and in length and breadth after supporting rope tension, its two ends are respectively exposed ring set with 2-4 steel wire clamp with wire rope anchor and are fixedly connected with; With 2 steel wire clamps when supporting rope length is less than 15m, with 4 steel wire clamps when being greater than 30m, supporting rope length during both with 3 steel wire clamps;
G, install to supporting rope in length and breadth after, by tied silk, gauze wire cloth and supporting rope are carried out colligation, colligation spacing 20cm;
H, lay steel rope net from the top down and also sew up, sew up rope for wire rope, often open steel rope net and all sew up rope with one and carry out stitchings and pre-stretch-draw with surrounding supporting rope, stitching two ends of restricting respectively are fixed connection with the nettle of two steel wire clamps and steel rope net.
The construction method of the protective screening for side slope rock-fall proof of the present invention can also be further achieved by the following technical measures.
Aforesaid method, is wherein also included in the organic soil containing grass-seed of 5cm thickness that protective screening sows grass seeds by duster, to cultivate grass planting.
After adopting technique scheme, the protective screening for side slope rock-fall proof of the present invention and construction method have the following advantages:
1, protective screening making step is reasonable in design, simple to operate;
2, protective screening is sturdy and durable, successful, interception slope of highway falling rocks, reduces the falling rocks harm in highway use procedure.
Accompanying drawing explanation
Fig. 1 is the protective screening elevation for side slope rock-fall proof of the embodiment of the present invention;
Fig. 2 is the protective screening profile for side slope rock-fall proof of the embodiment of the present invention;
Fig. 3 is the structural representation of the wire rope anchor of the embodiment of the present invention.
In figure: 1 wire rope anchor, 2 longitudinal bracing ropes, 3 cross binding ropes, 4 steel rope nets, 5 gauze wire cloths, 6 sew up rope, 7 mortars, the 8 wire rope anchor collars.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
Now refer to Fig. 1-Fig. 3, Fig. 1 is the protective screening elevation for side slope rock-fall proof of the embodiment of the present invention, and Fig. 2 is the protective screening profile for side slope rock-fall proof of the embodiment of the present invention, and Fig. 3 is the structural representation of the wire rope anchor of the embodiment of the present invention.As shown in the figure, described wire rope anchor 1 is steel pole, and it is embedded in side slope protection region, and wire rope anchor one end is provided with wire rope anchor ring set 8 and exposes side slope surface, and the other end is that wire rope anchor tail imbeds inside, side slope ground; Wire rope anchor is that a protection grid unit is arranged in square with four, and longitudinally adjacent two wire rope anchor head longitudinal bracing ropes 2 connect, and laterally adjacent two wire rope anchor head cross binding ropes 3 connect; The protective screening of side slope rock-fall proof is bound up by some protection grid unit and forms; The steel pole of described wire rope anchor 1 is enclosed with cement injection; The length of described wire rope anchor 1 is 20cm.
Described gauze wire cloth 5 is laid on described protection grid unit, and it presses close to side slope surface, by tied silk, gauze wire cloth and longitudinal bracing rope 2 and cross binding rope 3 is carried out colligation and fixes; Described longitudinal bracing rope 2 is the wire rope of 16mm; Described cross binding rope 3 is the wire rope of 16mm.
Described steel rope net 4 is laid on the upper surface of described gauze wire cloth 5, and sews up with longitudinal bracing rope 2 and cross binding rope 3 with stitching rope, and described stitching rope 6 is the wire rope of 8mm; The steel wire diameter of described gauze wire cloth is 2.0mm; Mutual lap length between described gauze wire cloth is 20mm.
Embodiment 2
The construction method of the protective screening for side slope rock-fall proof of the present invention, is characterized in that comprising the following steps:
A, clear up domatic: manually the surface dust in slope protection region and float stone are removed, to be unfavorable for construction and installation and influential system install after the local landform (local accumulation body and raised body etc.) that plays of normal function suitably repair.
B, position, city's roads determination wire rope anchor hole, in length and breadth spacing 4.5 meters, and be not less than the pit that wire rope anchor exposes ring set length, general bore 20cm, dark 20cm in each position, hole place cutter one degree of depth.
C, by projected depth Drilling wire rope anchor hole and clear hole, hole depth should 5cm more than longer than design wire rope anchor length, and aperture is not less than 45mm; When by rock drilling equipment restriction, the two strands of steel cables forming every root wire rope anchor can anchor into two apertures respectively and be not less than in the anchor hole of φ 35mm, and form herringbone wire rope anchor, between two strands of steel cables, angle is 15 ° ~ 30 °, to reach same anchoring effect.
D, slip casting insert wire rope anchor, slurries label is not less than M20, cement-sand ratio 1:1 ~ 1.2 should be used, the neat slurry of water/binder ratio 0.45 ~ 0.50, cement should use 425 Portland cements, preferentially select particle diameter to be not more than the middle fine sand of 3mm, guarantee that slurries are full, be no less than three days to slip casting maintenance before operation carrying out next.
E, laying gauze wire cloth, gauze wire cloth mesh is 5x5cm, steel wire diameter 3mm.At every grade of slope Po Ding, establish jury anchor solid point every 3 meters, gauze wire cloth is carried out temporary fixed, constructs step by step from the bottom to top.
F, install in length and breadth to supporting rope, after stretch-draw is tight, two ends respectively use two to four (with two when supporting rope length is less than 15m, with four when being greater than 30m, period is with three) wire clips to expose ring set with wire rope anchor and be fixedly connected with.
G, install to supporting rope in length and breadth after, by tied silk, gauze wire cloth and supporting rope are carried out colligation, colligation spacing 20cm, blossom type arrange.
H, lay steel rope net from the top down and also sew up, sew up rope for φ 8mm steel cable, often open the stitching rope that steel rope net is all about 31m with and carry out stitchings and stretch-draw in advance with surrounding supporting rope, stitching two ends of restricting respectively are fixed connection with two wire clips and nettle.
After i, slopes at different levels steel rope net have been sewed up, be also included in the organic soil containing grass-seed of 5cm thickness that protective screening sows grass seeds by duster, to cultivate grass planting.Spray turfing from top to bottom, twice injection in front, jog dead angle will fill spray.Spray grass seeds and start maintenance after 2 days.Curing water should nebulize moistening domatic equably, is 3-5cm in depth of wetted soil germination period, and Seedling Stage increases to 5-15cm gradually according to the growth of grass planting root system.Curing time before every morning 10, should can increase water spray 1-2 time depending on temperature and humidity as one sees fit.Curing time should continue 45-50 days.
The present invention has substantive distinguishing features and significant technological progress, it is domatic that protective screening for side slope rock-fall proof of the present invention and construction method adopt wire rope anchor to be fixed on to supporting rope in length and breadth, lay gauze wire cloth below supporting rope and be reliably connected with supporting rope, prevent small size stone from tumbling, lay steel rope net outside supporting rope and sew up with supporting rope, playing and initiatively prevent large scale stone from tumbling.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (10)
1. for a protective screening for side slope rock-fall proof, comprise wire rope anchor (1), steel rope net (4) and gauze wire cloth (5), is characterized in that:
Described wire rope anchor (1) is steel pole, and it is embedded in side slope protection region, and wire rope anchor one end is provided with wire rope anchor ring set (8) and exposes side slope surface, and the other end is that wire rope anchor tail imbeds inside, side slope ground; Wire rope anchor is that a protection grid unit is arranged in square or rectangle with four, longitudinally adjacent two wire rope anchor head longitudinal bracings rope (2) connections, and laterally adjacent two wire rope anchor head cross binding rope (3) connect; The protective screening of side slope rock-fall proof is bound up by some protection grid unit and forms;
Described gauze wire cloth (5) is laid on described protection grid unit, and it presses close to side slope surface, by tied silk, gauze wire cloth and longitudinal bracing rope (2) and cross binding rope (3) is carried out colligation and fixes;
Described steel rope net (4) is laid on the upper surface of described gauze wire cloth (5), and sews up with longitudinal bracing rope (2) and cross binding rope (3) with stitching rope.
2., as claimed in claim 1 for the protective screening of side slope rock-fall proof, it is characterized in that, the steel pole of described wire rope anchor (1) is enclosed with cement injection.
3., as claimed in claim 1 for the protective screening of side slope rock-fall proof, it is characterized in that, the length of described wire rope anchor (1) is 10-20cm.
4., as claimed in claim 1 for the protective screening of side slope rock-fall proof, it is characterized in that, described longitudinal bracing rope (2) is >=wire rope of 16mm.
5., as claimed in claim 1 for the protective screening of side slope rock-fall proof, it is characterized in that, described cross binding rope (3) is >=wire rope of 16mm.
6. as claimed in claim 1 for the protective screening of side slope rock-fall proof, it is characterized in that, describedly sew up rope (6) and be >=the wire rope of 8mm.
7., as claimed in claim 1 for the protective screening of side slope rock-fall proof, it is characterized in that, the steel wire diameter >=2.0mm of described gauze wire cloth.
8., as claimed in claim 1 for the protective screening of side slope rock-fall proof, it is characterized in that, the mutual lap length >=20mm between described gauze wire cloth.
9., for a construction method for the protective screening of side slope rock-fall proof, it is characterized in that comprising the following steps:
A, clear up domatic: manually the surface dust in slope protection region and float stone are removed, to being unfavorable for that protective screening is installed and the local landform of Function is suitably repaired;
B, position, city's roads determination wire rope anchor hole, in length and breadth spacing 4.5 meters, and be not less than the pit that wire rope anchor exposes ring set length, general bore 20cm, dark 20cm in each position, hole place cutter one degree of depth;
C, by projected depth Drilling wire rope anchor hole and clear hole, hole depth should 5cm more than longer than design wire rope anchor length, and aperture is not less than 45mm; When by rock drilling equipment restriction, the two strands of steel cables forming every root wire rope anchor can anchor into two apertures respectively and be not less than in the steel cable anchor hole of 35mm, and form herringbone wire rope anchor, between two strands of steel cables, angle is 15 ° ~ 30 °;
D, cement injection enter wire rope anchor hole and insert wire rope anchor: cement injection liquid label is not less than M20, adopt cement-sand ratio 1:1 ~ 1.2, the neat slurry of water/binder ratio 0.45 ~ 0.50, cement uses 425 Portland cements, particle diameter is preferentially selected to be not more than the middle fine sand of 3mm, guarantee that cement injection liquid is full, before carrying out next process, cement injection maintenance is no less than three days;
E, laying gauze wire cloth, gauze wire cloth mesh is 5x5cm, steel wire diameter 3mm; At every grade of slope Po Ding, establish jury anchor solid point every 3 meters, gauze wire cloth is carried out temporary fixed, constructs step by step from the bottom to top;
F, installation are in length and breadth to supporting rope, and in length and breadth after supporting rope tension, its two ends are respectively exposed ring set with 2-4 steel wire clamp with wire rope anchor and are fixedly connected with; With 2 steel wire clamps when supporting rope length is less than 15m, with 4 steel wire clamps when being greater than 30m, supporting rope length during both with 3 steel wire clamps;
G, install to supporting rope in length and breadth after, by tied silk, gauze wire cloth and supporting rope are carried out colligation, colligation spacing 20cm;
H, lay steel rope net from the top down and also sew up, sew up rope for wire rope, often open steel rope net and all sew up rope with one and carry out stitchings and pre-stretch-draw with surrounding supporting rope, stitching two ends of restricting respectively are fixed connection with the nettle of two steel wire clamps and steel rope net.
10. as claimed in claim 9 for the protective screening construction method of side slope rock-fall proof, it is characterized in that, be also included in the organic soil containing grass-seed of 5cm thickness that protective screening sows grass seeds by duster, to cultivate grass planting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410467353.2A CN105484174A (en) | 2014-09-15 | 2014-09-15 | Slope anti-rockfall guard net and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467353.2A CN105484174A (en) | 2014-09-15 | 2014-09-15 | Slope anti-rockfall guard net and construction method thereof |
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| CN105484174A true CN105484174A (en) | 2016-04-13 |
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| CN201410467353.2A Pending CN105484174A (en) | 2014-09-15 | 2014-09-15 | Slope anti-rockfall guard net and construction method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013187A (en) * | 2016-06-23 | 2016-10-12 | 衡水力能新材料工程有限公司 | Active protection system |
| CN106193070A (en) * | 2016-08-31 | 2016-12-07 | 曾凡清 | A kind of anchor cable group carries structure with active protecting net composite entity |
| CN107059893A (en) * | 2017-05-02 | 2017-08-18 | 北京金航岩土工程有限责任公司 | The multiple green construction method in production face high slope hole |
| CN107574828A (en) * | 2017-09-13 | 2018-01-12 | 深圳市东华园林股份有限公司 | A kind of domatic irregular high precipitous rock slope ecological restoring method and application |
| CN107761584A (en) * | 2017-10-11 | 2018-03-06 | 中交路桥建设有限公司 | A kind of freeway tunnel mouth Dangerous Rock Body Treatment Methods |
| CN107869143A (en) * | 2017-11-27 | 2018-04-03 | 中国电建集团成都勘测设计研究院有限公司 | Ruggedized construction for loose crushing Dangerous Rock Body |
| CN108661676A (en) * | 2018-04-27 | 2018-10-16 | 成都理工大学 | The method for carrying out tunnel rock burst construction of prevention work using steel cable flexible net |
| CN109944260A (en) * | 2019-05-06 | 2019-06-28 | 重庆建工市政交通工程有限责任公司 | Counter-slope system and its excavation method are protected close to existing railway high slope active network |
| CN110663397A (en) * | 2019-11-05 | 2020-01-10 | 重庆名图园林景观工程有限公司 | High steep side slope matrix skin constraint vegetation structure |
| CN110747869A (en) * | 2019-10-27 | 2020-02-04 | 中铁二院工程集团有限责任公司 | Dangerous rock falling rock active guide system and construction method |
| 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 |
| CN113482020A (en) * | 2021-08-09 | 2021-10-08 | 陕西中祥基础工程有限责任公司 | Construction method of flexible protective net for complex environment side slope in tourist attraction |
| WO2021213513A1 (en) * | 2020-04-24 | 2021-10-28 | Mrm Hk Limited | Helideck safety net |
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| CN201162222Y (en) * | 2008-02-29 | 2008-12-10 | 成都航发液压工程有限公司 | High-strength flexible slope protection steel wire gauze |
| CN201704636U (en) * | 2010-05-25 | 2011-01-12 | 中铁十八局集团第三工程有限公司 | Novel active protecting net |
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| JP2007332535A (en) * | 2006-06-12 | 2007-12-27 | Yuzo Sakamoto | Wire rope net method of construction |
| CN201162222Y (en) * | 2008-02-29 | 2008-12-10 | 成都航发液压工程有限公司 | High-strength flexible slope protection steel wire gauze |
| CN201704636U (en) * | 2010-05-25 | 2011-01-12 | 中铁十八局集团第三工程有限公司 | Novel active protecting net |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013187A (en) * | 2016-06-23 | 2016-10-12 | 衡水力能新材料工程有限公司 | Active protection system |
| CN106193070A (en) * | 2016-08-31 | 2016-12-07 | 曾凡清 | A kind of anchor cable group carries structure with active protecting net composite entity |
| CN107059893B (en) * | 2017-05-02 | 2020-05-29 | 北京金航岩土工程有限责任公司 | Mining face high slope hole greening construction method |
| CN107059893A (en) * | 2017-05-02 | 2017-08-18 | 北京金航岩土工程有限责任公司 | The multiple green construction method in production face high slope hole |
| CN107574828A (en) * | 2017-09-13 | 2018-01-12 | 深圳市东华园林股份有限公司 | A kind of domatic irregular high precipitous rock slope ecological restoring method and application |
| CN107761584A (en) * | 2017-10-11 | 2018-03-06 | 中交路桥建设有限公司 | A kind of freeway tunnel mouth Dangerous Rock Body Treatment Methods |
| CN107869143A (en) * | 2017-11-27 | 2018-04-03 | 中国电建集团成都勘测设计研究院有限公司 | Ruggedized construction for loose crushing Dangerous Rock Body |
| CN108661676A (en) * | 2018-04-27 | 2018-10-16 | 成都理工大学 | The method for carrying out tunnel rock burst construction of prevention work using steel cable flexible net |
| CN109944260A (en) * | 2019-05-06 | 2019-06-28 | 重庆建工市政交通工程有限责任公司 | Counter-slope system and its excavation method are protected close to existing railway high slope active network |
| CN110747869A (en) * | 2019-10-27 | 2020-02-04 | 中铁二院工程集团有限责任公司 | Dangerous rock falling rock active guide system and construction method |
| CN110663397A (en) * | 2019-11-05 | 2020-01-10 | 重庆名图园林景观工程有限公司 | High steep side slope matrix skin constraint vegetation structure |
| 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 |
| WO2021213513A1 (en) * | 2020-04-24 | 2021-10-28 | Mrm Hk Limited | Helideck safety net |
| CN113482020A (en) * | 2021-08-09 | 2021-10-08 | 陕西中祥基础工程有限责任公司 | Construction method of flexible protective net for complex environment side slope in tourist attraction |
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