CN208440998U - Composite protection structure based on steel-wire stone in conjunction with passive soft protecting net - Google Patents
Composite protection structure based on steel-wire stone in conjunction with passive soft protecting net Download PDFInfo
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- CN208440998U CN208440998U CN201820793405.9U CN201820793405U CN208440998U CN 208440998 U CN208440998 U CN 208440998U CN 201820793405 U CN201820793405 U CN 201820793405U CN 208440998 U CN208440998 U CN 208440998U
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Abstract
The utility model relates to a kind of composite protection structures based on steel-wire stone in conjunction with passive soft protecting net, belong to slope protection structure technical field.The utility model includes metal flexible net and steel column, the setting of steel column interval, metal flexible net is fixedly installed between steel column, steel column bottom is fixed in side slope by pedestal, by drawing anchor line to be anchored at the top of steel column, it is fixedly connected on steel column at the top of metal flexible net by upper supporting rope, metal flexible sieve bottom is fixedly connected on steel column by lower supporting rope, steel column bottom is provided with steel-wire stone in the side by Falling Rocks direction, and steel-wire stone is in a row along the direction setting of slope protection structure distributing line.The utility model carries out suitable protecting by increasing steel-wire stone flexible structure, to protection sieve bottom, can reduce protective net steel column foot continuous damage, mesh sheet is pulled off.
Description
Technical field
The utility model relates to a kind of composite protection structures based on steel-wire stone in conjunction with passive soft protecting net, belong to
Slope protection structure technical field.
Background technique
Passive soft protecting net: refer to and prevented by metal flexible net, the flexibility for drawing anchor system, efficiency part and 4 part of steel column to constitute
Protecting system and product.
According to Ministry of Land and Resources's Information Statistics, China's Mainland is mountainous region there are about 2/3 national territorial area, and since ancient times falling rocks, collapse
The equal mountain region disasters that collapse just frequently occur, and the Effective Operation of effective protection relationship people's livelihood safety and important infrastructure is carried out to it.
In fact, collapse rock-fall disaster prevention is cross discipline problem, across geology ground, prevent and reduce natural disasters and the fields such as Structural Engineering.
Falling rocks disaster prevention method is often divided into two classes of active and passive protection, wherein active defense measure has spray anchor, supporting and protection irrigation canals and ditches
There are stiff safety fence, barricade, rigid hangar tunnel, fence, passive soft protecting net system etc. Deng, passive protection measure, it is anti-using which kind of
Shield measure depends on disaster size, type, protection period and geological conditions.For single disaster energy level from protection, Ji Zhongdian
The ability of type guard technology (rigid barriers, soft protecting net, concrete hangar tunnel, irrigation canals and ditches, earth dam barricade) relatively after, discovery is passive
The protective capacities that soft protecting net has is very wide in range and prominent.
Passive soft protecting net system is a kind of efficient rock-fall protection measures, and blank source arises from World War II, main to use
In military affairs, it is to float to be hung on target sea area that the common supporting rope for being connected with floating drum, which is worn, real using the flexibility " tangling deformability " of mesh sheet
Now intercept.After World War II, Northern European countries is used for snowslide interception, and after the 1960s, Europe takes the lead in changing it
Into carrying out falling rocks, collapse rock or mud-rock flow and intercept, protective net is initially formed by adding rigid support column and energy consumption component
Structural system.Now, Europe, the U.S. and Japan are widely used in highway, railway, territory, oil transportation (gas) pipeline, water power, are adopted
The falling rocks rock fall disaster prevention and treatment of mine, cities and towns.
By about 70 years develop, passive soft protecting net system evolution become a kind of complete interception structure system, and by
Dynamic net systems technology enters China's only about two ten years, and gradually exposure is gone wrong, and practical passive net system destruction phenomenon is more
Generally, protective overall is ineffective.It often shows several typical breakoff phenomenons, specifically includes that support column unstability, support
Column suspension column continuous damage, rigid cord lock extremely with break, anchor point destroy, component corrosion etc..These problems cause passive net system remote
Expected protective capacities is not achieved, this seriously affects objective of defense facility or people life property safety.
Presently found following two technology is closer to the technical program:
The prior art one [in the passive soft protecting net of the auspicious of Liu Chengqing, Chen Linya, Chen Chi, Deng Yong pressure-reducing ring mechanical test and
Finite element analysis [J] Chinese Journal of Rock Mechanics and Engineering, 2016,35 (6): 1245-1254.]: Liu Chengqing, Chen Lin are refined etc. mentions
Conventional passive flexible protective structure, the structure mainly by metal flexible net (wire rope net, grid etc.), fixed system (anchor pole,
Draw anchor line, pedestal and supporting rope etc.), pressure-reducing ring and four part of steel column constitute.Its disadvantage are as follows: the simple passive flexible protective of tradition
Web frame frequently results in support column suspension column continuous damage, anchor point destruction and bottom mesh sheet due to the continuous impact of rockfall
The phenomenon that fracture, occurs, and lacks the safeguard measure of the falling rocks secondary pulse to bottom suspension column and mesh sheet lower part.
[beam wins application [J] East China of the side slope flexible protecting net system in existing railway rockfall to the prior art two
Highway, 2015,212 (2): 88-90.]: the rich passive protection net introduced of beam is by steel column, the zinc-plated steel rope net of high-intensitive prismatic, anchor
Rope and anchor foundation composition.Its disadvantage are as follows: lack pressure-reducing ring, the dissipation capabilities of impact energy are not strong, rockfall brute force attack
Under easily cause the destruction of protecting screen structure.
Utility model content
The purpose of this utility model is provided a kind of based on steel for shortcoming present in above-mentioned existing background technique
Composite protection structure of the silk gabion in conjunction with passive soft protecting net, to reduce protective net steel column foot continuous damage, mesh sheet quilt
Break and so on.
The technical scheme adopted by the utility model to solve the technical problem is as follows: based on steel-wire stone and passive flexible protective
The composite protection structure that net combines, including metal flexible net and steel column, the setting of steel column interval, metal flexible net are fixedly installed on steel
Between column, steel column bottom is fixed in side slope by pedestal, by drawing anchor line to be anchored at the top of steel column, metal flexible net top
Portion is fixedly connected on steel column by upper supporting rope, and metal flexible sieve bottom is fixedly connected on steel column by lower supporting rope, steel
Column bottom is provided with steel-wire stone in the side by Falling Rocks direction, steel-wire stone along slope protection structure distributing line side
It is in a row to being arranged.
Further, the connecting pin of upper supporting rope, lower supporting rope connecting pin, draw anchor line connecting pin be equipped with decompression
Ring.
Further, metal flexible net includes grid and wire rope net arranged side by side, the grid position in the two
The side in Falling Rocks direction is located remotely from the side close to Falling Rocks direction, wire rope net.
The beneficial effects of the utility model are: the advantages of not only fully absorbing using traditional passive protection web frame, but also
Increase steel-wire stone flexible structure on this basis, suitable protecting is carried out to protection sieve bottom, greatly reduces protecting screen structure
The possibility that bottom is locally broken.Can avoid secondary pulse of the protecting screen structure by slungshot so that composite protection structure have compared with
The strong ability resisting secondary pulse and destroying, can greatly improve the service life of safeguard structure.In addition, steel-wire stone itself
Have many advantages, such as that easy construction, low-cost, landscape and protection effect are good, long service life, the two is used in combination, can be with opposite side
Slope carries out multiple-protection.
Detailed description of the invention
Fig. 1 is the floor map of the utility model；
Fig. 2 is the elevational schematic view of the utility model；
Fig. 3 is the schematic cross-sectional view of the utility model；
In the figure, it is marked as 1- metal flexible net, 2- steel column, 3- pedestal, 4- side slope, 5- draws anchor line, the upper supporting rope of 6-, under 7-
Supporting rope, 8- steel-wire stone, 9- pressure-reducing ring, 10- grid, 11- wire rope net, 12- Rolling Stone, 13- Rolling Stone flight path.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1 to Figure 3, the utility model includes metal flexible net 1 and steel column 2, the setting of the interval of steel column 2, metal flexible
Property net 1 be fixedly installed between steel column 2,2 bottom of steel column is fixed in side slope 4 by pedestal 3, by drawing anchor at the top of steel column 2
Rope 5 is anchored, and 1 top of metal flexible net is fixedly connected on steel column 2 by upper supporting rope 6, and 1 bottom of metal flexible net passes through
Lower supporting rope 7 is fixedly connected on steel column 2, and 2 bottom of steel column is provided with steel-wire stone 8, steel in the side by 4 falling rocks direction of side slope
Silk gabion 8 is in a row along the direction setting of slope protection structure distributing line.Wherein draw the basis of anchor line 5 that anchor pole base can be used
Plinth can also change when for texture stratum using C20 concrete foundation.The basis of anchor line 5 is drawn to use anchor rod foundation in the present embodiment.
The utility model during installation, is laid with 8 structure of row's steel-wire stone in 4 lower part Target Protection region of side slope first,
Metal flexible net 1, steel column 2 and superstructure are installed later, form complete protection system.When there is slungshot in zone of protection
When, the middle and upper part of metal flexible net 1 is impacted first, is dropped later.Traditional protective net is not since bottom is protected, often slungshot
Meeting secondary pulse bottom steel column or protective net, cause further impact failure after tenesmus.And the composite protective knot of the utility model
Structure can be fallen on steel-wire stone 8 after slungshot tenesmus, be avoided to bottom steel column 2 or metal flexible due to the presence of steel-wire stone 8
The secondary destruction of property net 1, the service life of safeguard structure can be greatly improved in this.In addition, since steel-wire stone 8 is as flexible knot
Structure, even if being remained to adaptively, have preferably security and stability, therefore steel wire stone than rigid structure by great impact force
The stabilization of cage 8 itself is secure.
In addition, the connecting pin of upper supporting rope 6, lower supporting rope 7 connecting pin, draw anchor line 5 connecting pin be equipped with pressure-reducing ring
9.Pressure-reducing ring 9 is set, the dissipation capabilities of impact energy can be improved, and then improve the stability of side slope protection system.
Metal flexible net 1 includes grid 10 and wire rope net 11 arranged side by side, and grid 10 is located at and leans in the two
The side in 4 falling rocks direction of near side (ns) slope, wire rope net 11 are located remotely from the side in 4 falling rocks direction of side slope.Using Double-protection net knot
Structure can effectively improve protective capacities.
Claims (3)
1. the composite protection structure based on steel-wire stone in conjunction with passive soft protecting net, including metal flexible net (1) and steel column
(2), the setting of steel column (2) interval, metal flexible net (1) are fixedly installed between steel column (2), and steel column (2) bottom passes through pedestal (3)
It is fixed on side slope (4), by drawing anchor line (5) to be anchored at the top of steel column (2), passes through upper branch at the top of metal flexible net (1)
Support rope (6) is fixedly connected on steel column (2), and metal flexible net (1) bottom is fixedly connected on steel column (2) by lower supporting rope (7)
On, it is characterised in that: steel column (2) bottom is provided with steel-wire stone (8), steel-wire stone in the side by side slope (4) falling rocks direction
(8) in a row along the direction setting of slope protection structure distributing line.
2. the composite protection structure based on steel-wire stone in conjunction with passive soft protecting net as described in claim 1, feature
It is: goes up the connecting pin of supporting rope (6), the connecting pin of lower supporting rope (7), the connecting pin of anchor line (5) is drawn to be equipped with pressure-reducing ring
(9)。
3. the composite protection structure based on steel-wire stone in conjunction with passive soft protecting net as claimed in claim 1 or 2, special
Sign is: metal flexible net (1) includes grid arranged side by side (10) and wire rope net (11), grid (10) in the two
The side in side slope (4) falling rocks direction is located remotely from positioned at the side close to side slope (4) falling rocks direction, wire rope net (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820793405.9U CN208440998U (en) | 2018-05-25 | 2018-05-25 | Composite protection structure based on steel-wire stone in conjunction with passive soft protecting net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820793405.9U CN208440998U (en) | 2018-05-25 | 2018-05-25 | Composite protection structure based on steel-wire stone in conjunction with passive soft protecting net |
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| CN208440998U true CN208440998U (en) | 2019-01-29 |
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ID=65092248
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230963A (en) * | 2019-06-27 | 2019-09-13 | 中水电第十一工程局（郑州）有限公司 | A kind of underground engineering erosion control noise reduction dust-separation shotfiring safety compound protection method |
| 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 |
| CN111549804A (en) * | 2020-05-26 | 2020-08-18 | 中国电建集团成都勘测设计研究院有限公司 | Cutting slope reinforced passive protection system and construction method thereof |
| CN114445578A (en) * | 2022-04-11 | 2022-05-06 | 西南交通大学 | Beacon-based flexible protection alarm and disaster situation rapid evaluation method and system |
-
2018
- 2018-05-25 CN CN201820793405.9U patent/CN208440998U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230963A (en) * | 2019-06-27 | 2019-09-13 | 中水电第十一工程局（郑州）有限公司 | A kind of underground engineering erosion control noise reduction dust-separation shotfiring safety compound protection method |
| CN110230963B (en) * | 2019-06-27 | 2024-02-13 | 中电建十一局工程有限公司 | Underground engineering anti-impact noise-reduction dust-isolation blasting safety composite protection method |
| 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 |
| CN111549804A (en) * | 2020-05-26 | 2020-08-18 | 中国电建集团成都勘测设计研究院有限公司 | Cutting slope reinforced passive protection system and construction method thereof |
| CN111549804B (en) * | 2020-05-26 | 2021-08-10 | 中国电建集团成都勘测设计研究院有限公司 | Cutting slope reinforced passive protection system and construction method thereof |
| CN114445578A (en) * | 2022-04-11 | 2022-05-06 | 西南交通大学 | Beacon-based flexible protection alarm and disaster situation rapid evaluation method and system |
| CN114445578B (en) * | 2022-04-11 | 2022-06-28 | 西南交通大学 | Beacon-based flexible protection alarm and disaster situation rapid evaluation method and system |
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