CN1621620A - Rock-fall proof method and pulled guiding rock-fall proof flexible mesh - Google Patents
Rock-fall proof method and pulled guiding rock-fall proof flexible mesh Download PDFInfo
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- CN1621620A CN1621620A CN 200410079628 CN200410079628A CN1621620A CN 1621620 A CN1621620 A CN 1621620A CN 200410079628 CN200410079628 CN 200410079628 CN 200410079628 A CN200410079628 A CN 200410079628A CN 1621620 A CN1621620 A CN 1621620A
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Abstract
The present invention is rockfall preventing method and flexible rockfall guiding and preventing net. The flexible rockfall guiding and preventing net with width greater than the protected section and sufficient height for stopping rockfall and guiding the rockfall to safety position is suspended with uprights in the protected area. The net has the upper edge suspended to the uprights and the lower end opening drawn to the massif to guide the rockfall to required position. The net has parts capable of moving with the shock of rockfall to produce corresponding deformation, and has position limiters set on its two sides. The present invention may be used widely for various kinds of rockfall preventing engineering for montanic railway, highway and building.
Description
Technical field
The present invention relates to a kind of method and device of rock-fall proof, particularly a kind of rock-fall proof method and pulled guiding rock-fall proof flexible mesh.
Technical background
The hillside falling rocks will cause serious harm for steep cliff, other railway, highway, village and the building in empty slope.People are with initiatively protective screening and passive protection net prevent falling rocks harm for this reason.Initiatively protective screening is, with rope bolt or reinforced anchor bolt and supporting rope fixed form the metal flexible net is covered to have on potential geological disaster domatic, thereby realizes domatic reinforcing or restriction falling rocks range of movement.The passive protection net is, adopt anchor pole, steel column, supporting rope and draw fixed form such as anchor line with the metal flexible net with certain angle be installed in domatic on, form the stone blocking net of fence form, thereby realize a kind of protective screening solid matter interception in falling rocks and the debris flow body.Initiatively protective screening is that harm was prevented before taking place, and the passive protection net is that harm is prevented among taking place.But, the time of falling rocks, drop point, quantity, speed and motion mode etc. all have uncertainty, thereby have sudden and be difficult to the property expected, and often speed is fast, impact force is big for falling rocks, the high speed impact power that is produced has very strong destructiveness, be easy to puncture protective screening, cause serious harm.
Summary of the invention
The objective of the invention is to harm, propose a kind of method of rock-fall proof and the technical scheme of pulled guiding rock-fall proof flexible mesh for this reason with the method control falling rocks of dredging.
Technical scheme of the present invention is, a kind of rock-fall proof method, it is characterized in that, required protection place of easily sending out ground at falling rocks is falling rocks to be stopped and guides to the protective screening of desired location with column suspension width greater than protection location, expansion height H, and the protection top line of the net is suspended on column top, lower ending opening, pull at massif, so that falling rocks under the guiding of protective screening, falls into the assigned address outside the guard plot, each part can be out of shape and relative motion the impact generation of net accordingly with falling rocks in the protective screening.
A kind of pulled guiding rock-fall proof flexible mesh, primary structure is, protective screening is suspended on the post, it is characterized in that, protective screening width greater than required protection location, launch height H for falling rocks being stopped and guide to desired location, the protection top line of the net is suspended on the top of column, protective screening lower ending opening, pull on massif, stop is established in the both sides of net.
Column lower end of the present invention is fixed or rotatable the connection, draws the anchor line lower end to fix or rotatable the connection, and the stop upper and lower end is rotatable to be connected.Stop, draw anchor line to be provided with flexible member, dissipative cell.
Hang the power consumption bag that silt is housed on the protective screening, protective screening is made up of the net of dredging that stops net and bottom on top, and two nets are fixedly connected.
The present invention solves the falling rocks problem with the mode of dredging with using a soft approach to subdue a tough opponent.Usually less falling rocks is less to the harm that the mankind cause, and bigger impact force of falling stone is very big, general protective screening be easy to breakdown.Technical scheme of the present invention is the impact energy that makes net absorption falling rocks as far as possible, and is not punctured protective screening by falling rocks, and by the protective screening of flexibility falling rocks is dredged to assigned address.The present invention has adopted the protective screening guiding falling rocks of lower aperture, movable connection is all adopted at each position at package unit as far as possible, and in stiffening member, add flexible member, to increase the flexibility of whole device, net is made intensity and the different top of density stop that net and bottom dredge net, stop on the net and also sand can be set, the energy element is cut in pre-destruction time-delay such as mount, also online suspension power consumption bag can dredged, can absorb the impact energy of falling rocks so as far as possible, prolong the deformation time of net, increase the flexibility of net, reduce the destruction of falling rocks, effectively prolong the application life of protective screening protective screening.The present invention can be widely used in the rock-fall proof engineering of mountain railway, highway and building, be specially adapted to the overhanging cliff or highly little, the gradient near and or surpass 90 °, long, the broad in slope on top, the area in the falling rocks that can not know for sure source.The present invention conceive uniqueness, reasonable in design, cost is low, easy to use, the rock-fall proof effect is safe and reliable, is a kind of novel rock-fall proof method and pulled guiding rock-fall proof flexible mesh.
Description of drawings
Fig. 1 is a front view of the present invention
Fig. 2 for the present invention be installed near or surpass lateral view on 90 ° the overhanging cliff
Fig. 3 for the present invention be installed near or surpass on 90 ° the overhanging cliff, be subjected to falling rocks blastic deformation side view of the state
Fig. 4 is the structural representation that is fixedly connected for column of the present invention
Fig. 5 is the structural representation of hinge-coupled for column of the present invention
Fig. 6 is the structural representation that ball pivot connects for column of the present invention
Fig. 7 locates structural representation of the present invention for being installed on the gentle slope
Fig. 8 is installed on the structural representation that gentle slope the present invention of place is subjected to falling rocks blastic deformation state
The specific embodiment
With shaped steel system column (6), the main effect of column is that network interface is strutted, and the column bottom directly is fixed on the massif rock matrix, or concrete pedestal (11) is set at massif, the column bottom can connect with pedestal by common hinge, and when net was subjected to the falling rocks impact, column was being swung in certain plane.Column also can adopt ball pivot to connect with pedestal, and when net was subjected to the falling rocks impact, column can be in a plurality of directions swings.The span of column is advisable the protective screening upper limb can be evened up substantially.Consider from the angle of safety, should note outlying from steep cliff as far as possible when column is installed.The column top attachment is drawn anchor line (7), is used for column location and reinforcing, draws the end in addition of anchor line to be fixed on the massif rock, as directly being fixed on the column on the massif rock foundation, can draw anchor line at column middle part and bottom setting, draw anchor line to be 1 or many, can tiltedly draw or level is drawn.Draw in the anchor line dissipative cells (8) such as flexible member (9) such as serial spring or pressure-reducing ring, when falling rocks surge guard net, drive column swing or rotation, the effect that flexible member plays power consumption and increases the protective screening flexibility, after falling rocks tumbled along net, column and protective screening restored to the original state under the effect of flexible member; When the falling rocks impact energy is equal to or greater than the maximum deformation quantity of flexible member, the kinetic energy that dissipative cell such as pressure-reducing ring etc. further consume falling rocks will be started.
Make protective screening (5) with wire rope, steel loop or other metal or nonmetals, also protective screening can be made as two sections, with the braiding of thicker material closeer stop net (4), place the top of the net that falling rocks at first impacts, with more tiny material, the braiding thinner, what be made as the bottom dredges net (2), and playing restriction falling rocks movement locus is the effect of falling rocks guiding, and two nets are fixedly connected and are one.Stop and to hang the power consumption bag (1) that sand, earth or foamed plastics are housed on the net (4) or other power consumption member is set, protecting component as pre-destruction, absorb the impact energy of falling rocks, prolong the stress deformation time of whole device, increase flexible, improve the shock resistance of net, improve the application life of net; When the present invention is used for than the steep hills body, also can dredge upward suspension power consumption bag, stone or other weight of net (2), impact stops net as falling rocks, the dissipative cell when whole net is moved, the kinetic energy of consumption falling rocks.Protective screening width be definite according to actual needs, usually the width of net is greater than required protection location.Specifically highly also being decided according to the actual requirements of net, the expansion height H of net is for stopping and guide to desired location with falling rocks usually.The protection top line of the net is suspended on the top of column by supporting rope (10), and the protective screening lower ending opening is pulled at massif.Stop (3) is established in the both sides of net, stop is made by metal or other rigidity or material with certain rigidity, also can make by flexible materials such as steel cables, the stop upper end is fixedly connected with the massif rock or is hinged, the stop lower end fixes with the protective screening side, hinged or slidably connect, slidably connecting is to establish a straight trough along the stop length direction, and the protective screening end slides in groove.The length of stop should can avoid falling rocks to be stuck in the protective screening greater than the maximum suitable footpath of falling rocks like this, and the quantity of stop designs according to actual conditions.The stop downside can be established back-moving spring (14).When massif is approaching or surpasses 90 ° overhanging cliff, can below net, establish long-pending stone cistern (12).More slow when the massif gradient, or other condition can be built a barricade (13) when needing outside the guard plot.
Claims (7)
1, a kind of rock-fall proof method, it is characterized in that, easily send out required protection place on ground at falling rocks and hang width greater than protecting the location, launching height H for falling rocks being stopped and guides to the protective screening (5) of desired location with column (6), the protection top line of the net is suspended on column (6) top, lower ending opening is pulled at massif, so that falling rocks is under the guiding of protective screening, fall into the assigned address outside the guard plot, each part can be out of shape and relative motion the impact generation of net accordingly with falling rocks in the protective screening.
2, a kind of pulled guiding rock-fall proof flexible mesh, primary structure is that protective screening (5) is suspended on the column (6), it is characterized in that, the width of protective screening is falling rocks can be stopped and guide to desired location greater than required protection location, expansion height H, the protection top line of the net is suspended on the top of column, the protective screening lower ending opening is pulled on massif, and stop (3) is established in the both sides of net.
3, the described a kind of pulled guiding rock-fall proof flexible mesh of claim 2 is characterized in that, column (6) lower end is fixed or rotatable the connection, draws the anchor line lower end to fix or rotatable the connection, and stop (3) upper and lower end is rotatable to be connected.
4, a kind of pulled guiding rock-fall proof flexible mesh as claimed in claim 2 is characterized in that, stop (3), draws anchor line (7) to be provided with dissipative cell (8), flexible member (9).
5, a kind of pulled guiding rock-fall proof flexible mesh as claimed in claim 2 is characterized in that, protective screening is made up of the net (2) of dredging that stops net (4) and bottom on top, and two nets are fixedly connected.
6, a kind of pulled guiding rock-fall proof flexible mesh as claimed in claim 2 is characterized in that, hangs the power consumption bag (1) that mud, sand are housed on the protective screening.
7, a kind of pulled guiding rock-fall proof flexible mesh as claimed in claim 2 is characterized in that, long-pending stone cistern (12) or barricade (13) are established in the below of net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410079628 CN1621620A (en) | 2004-12-21 | 2004-12-21 | Rock-fall proof method and pulled guiding rock-fall proof flexible mesh |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410079628 CN1621620A (en) | 2004-12-21 | 2004-12-21 | Rock-fall proof method and pulled guiding rock-fall proof flexible mesh |
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| CN1621620A true CN1621620A (en) | 2005-06-01 |
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| CN 200410079628 Pending CN1621620A (en) | 2004-12-21 | 2004-12-21 | Rock-fall proof method and pulled guiding rock-fall proof flexible mesh |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031760A (en) * | 2010-12-17 | 2011-04-27 | 河南省新开元路桥工程咨询有限公司 | Anti-rockfall method for subgrade in rock deposit zone |
| CN103362135A (en) * | 2013-08-08 | 2013-10-23 | 福建省农业科学院农业生态研究所 | Grass net revetment of anti-collapse hillock and water protecting soil |
| CN103649445A (en) * | 2012-07-17 | 2014-03-19 | 普洛德克工程股份有限公司 | Post structure |
| CN103643658A (en) * | 2013-12-23 | 2014-03-19 | 兰州理工大学 | Rock impact resistance spring lattice debris flow blocking structure |
| CN102052258B (en) * | 2009-11-02 | 2014-11-05 | 维斯塔斯风力系统有限公司 | Safety film |
| CN104236405A (en) * | 2014-08-25 | 2014-12-24 | 叶建军 | Building dismounting blasting flexible protection system |
| CN104294834A (en) * | 2014-11-05 | 2015-01-21 | 宏大国源（芜湖）资源环境治理有限公司 | Semi-automatic liftable slope surface stone blocking device |
| CN107151990A (en) * | 2017-05-23 | 2017-09-12 | 山东大学 | The novel intelligent of high gradient slope Rolling Stone blocks stone device |
| CN107245961A (en) * | 2017-06-05 | 2017-10-13 | 四川蜀通顺成建筑劳务有限公司 | Flexible hangar tunnel |
| CN109208620A (en) * | 2018-11-02 | 2019-01-15 | 内江师范学院 | A kind of geotechnical slope bracing means |
| CN109487712A (en) * | 2018-10-11 | 2019-03-19 | 西南交通大学 | A kind of piston rod point-type self- recoverage flexible buffer structure for hangar tunnel engineering |
| CN109537597A (en) * | 2018-11-27 | 2019-03-29 | 西南交通大学 | It is a kind of for clearing up on high gradient slope in active flexible protective net the construction method for accumulating falling rocks |
| CN110273386A (en) * | 2019-07-08 | 2019-09-24 | 云南省建设投资控股集团有限公司 | A kind of passive side slope protective screen and its construction method |
| CN110284510A (en) * | 2019-07-12 | 2019-09-27 | 中交路桥建设有限公司 | The decompressor and its method of passive protection net |
| CN113737672A (en) * | 2021-04-18 | 2021-12-03 | 西南交通大学 | Throwing type toughness buffer net unit for rockfall protection and design method of critical throwing angle of throwing type toughness buffer net unit |
-
2004
- 2004-12-21 CN CN 200410079628 patent/CN1621620A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052258B (en) * | 2009-11-02 | 2014-11-05 | 维斯塔斯风力系统有限公司 | Safety film |
| CN102031760A (en) * | 2010-12-17 | 2011-04-27 | 河南省新开元路桥工程咨询有限公司 | Anti-rockfall method for subgrade in rock deposit zone |
| CN103649445A (en) * | 2012-07-17 | 2014-03-19 | 普洛德克工程股份有限公司 | Post structure |
| CN103362135B (en) * | 2013-08-08 | 2015-10-07 | 福建省农业科学院农业生态研究所 | Fang Beng hilllock, protect water and soil net grass bank protection |
| CN103362135A (en) * | 2013-08-08 | 2013-10-23 | 福建省农业科学院农业生态研究所 | Grass net revetment of anti-collapse hillock and water protecting soil |
| CN103643658A (en) * | 2013-12-23 | 2014-03-19 | 兰州理工大学 | Rock impact resistance spring lattice debris flow blocking structure |
| CN103643658B (en) * | 2013-12-23 | 2016-02-17 | 兰州理工大学 | The spring lattice mud-rock flow that a kind of anti-megalith impacts is blocked structure |
| CN104236405B (en) * | 2014-08-25 | 2016-08-24 | 叶建军 | Demolishing buildings explosion flexible protection systems |
| CN104236405A (en) * | 2014-08-25 | 2014-12-24 | 叶建军 | Building dismounting blasting flexible protection system |
| CN104294834B (en) * | 2014-11-05 | 2015-12-02 | 宏大国源（芜湖）资源环境治理有限公司 | A kind of liftablely semi-automaticly domaticly block stone device |
| CN104294834A (en) * | 2014-11-05 | 2015-01-21 | 宏大国源（芜湖）资源环境治理有限公司 | Semi-automatic liftable slope surface stone blocking device |
| CN107151990A (en) * | 2017-05-23 | 2017-09-12 | 山东大学 | The novel intelligent of high gradient slope Rolling Stone blocks stone device |
| CN107151990B (en) * | 2017-05-23 | 2019-01-22 | 山东大学 | The intelligence of high gradient slope Rolling Stone blocks stone device |
| CN107245961A (en) * | 2017-06-05 | 2017-10-13 | 四川蜀通顺成建筑劳务有限公司 | Flexible hangar tunnel |
| CN109487712A (en) * | 2018-10-11 | 2019-03-19 | 西南交通大学 | A kind of piston rod point-type self- recoverage flexible buffer structure for hangar tunnel engineering |
| CN109208620A (en) * | 2018-11-02 | 2019-01-15 | 内江师范学院 | A kind of geotechnical slope bracing means |
| CN109537597A (en) * | 2018-11-27 | 2019-03-29 | 西南交通大学 | It is a kind of for clearing up on high gradient slope in active flexible protective net the construction method for accumulating falling rocks |
| CN110273386A (en) * | 2019-07-08 | 2019-09-24 | 云南省建设投资控股集团有限公司 | A kind of passive side slope protective screen and its construction method |
| CN110284510A (en) * | 2019-07-12 | 2019-09-27 | 中交路桥建设有限公司 | The decompressor and its method of passive protection net |
| CN113737672A (en) * | 2021-04-18 | 2021-12-03 | 西南交通大学 | Throwing type toughness buffer net unit for rockfall protection and design method of critical throwing angle of throwing type toughness buffer net unit |
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