CN204000652U - Semi-rigid protective screening for Falling Rocks protection - Google Patents
Semi-rigid protective screening for Falling Rocks protection Download PDFInfo
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- CN204000652U CN204000652U CN201420354721.8U CN201420354721U CN204000652U CN 204000652 U CN204000652 U CN 204000652U CN 201420354721 U CN201420354721 U CN 201420354721U CN 204000652 U CN204000652 U CN 204000652U
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Abstract
The utility model discloses a kind of semi-rigid protective screening for Falling Rocks protection, comprise independently concrete foundation, at least one center pillar and two newel posts fixing and space in concrete foundation are goed deep in lower end, one end be connected with newel post and other end Transducers Embedded in Concrete basis in diagonal brace, several are arranged between two newel posts and in newel post upper end to the cable wire that is parallel to each other between concrete foundation and is all connected with center pillar, the grid that space between newel post upper end and concrete foundation is covered and is connected with all cable wires comprehensively, and the receipts limit all arranging in grid top and bottom and be all connected with two newel posts rope.The utlity model has the comparatively comprehensively theory of computation, product is seriation, and protection energy level is clear and definite, is convenient to engineering and selects and application; Safe, falling rocks protection effect is good; Good endurance; For ease of maintenaince management; Product design is succinct, attractive in appearance, good with surrounding environment harmony; Easy construction; The adaptation of product is strong.
Description
Technical field
The utility model relates to side slope protection engineering field, specifically, relates to a kind of semi-rigid protective screening for Falling Rocks protection.
Background technology
In recent years, along with China Express Railway develop rapidly, operation security problem is further important, to allotrylic controls such as collapse rock-falls, requires also more and more higher, not only to prevent and treat larger falling rocks, cutting along the line and natural slope sporadicly fall that piece, soil property are little slips that to collapse etc. be also important controlling object.Rigidity fence is to adapt to High Speed Railway Trains operation security and the new construction that produces, its location be mainly prevent and treat side slope sporadicly fall piece, soil property little slip collapse, small-sized foreign body intrusion etc.
A kind of anti-foreign body intrusion rigid protection net conventional in China railways is rail fence, mainly be applicable to prevent the general rockfall location of low embankment under heavy cut, one-way slope cutting and natural abrupt slope, and bury underground when unstable inapplicable to the too steep basis of lateral slope of ground.Rail fence is to do basis with mortar flag stone or sheet stone concrete, makes a kind of structure of column and stull of rail scrap.Because the main member of rail fence is discarded rail, rail type only has a few type, is mainly 43 rails, 50 rails, 60 rails and 75 rails, and in fact 43 rails stop producing at present substantially, and 75 rail use amounts seldom, what use amount was large is mainly 60,50 rail.Because the optional rail type of rail fence is few, and collapse rock-fall situation complexity is various, energy level is different, can not carry out optimized design to its structure, also the rigid protection net product system of impossible Erecting and improving.And that shaped steel is compared from discarded rail is different, for example i iron has 30 Multiple Types, and angle steel has 20 Multiple Types, and H shaped steel has 60 Multiple Types, in conjunction with the have ready conditions rigid protection net product system of Erecting and improving of each model shaped steel.
Although rail fence is more in China's application, also rarely found about the documents and materials of its method for designing, mainly take experience as main in design, computational methods are also not bery perfect, and falling rocks protection energy rank is also indefinite.The form of structure of rail fence has determined that its rigidity is larger, and impact resistance is poor, also has the case of much being damaged by falling rocks in Practical Project, and later maintenance amount is also larger.Therefore, the situation how various for line of high-speed railway periphery collapse rock-fall complexity, energy level is different, designs the rigid protection net system of outstanding safeguard structure, Erecting and improving, becomes the problem of those skilled in the art's primary study.
Utility model content
In order to solve the problems of the prior art, the utility model provides a kind of simple in structure, semi-rigid protective screening that is mainly used in Falling Rocks protection of being easy to control, have certain anti-rock-fall impact ability.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Semi-rigid protective screening for Falling Rocks protection, comprise and imbed high ferro other cutting wall or barricade top along the line, independently concrete foundation in soil matrix and batholith, at least one center pillar and two newel posts fixing and space in concrete foundation are goed deep in lower end, one end be connected with newel post and other end Transducers Embedded in Concrete basis in diagonal brace, several are arranged between two newel posts and in newel post upper end to the cable wire that is parallel to each other between concrete foundation and is all connected with center pillar, the grid that space between newel post upper end and concrete foundation is covered and is connected with all cable wires comprehensively, and the receipts limit all arranging in grid top and bottom and be all connected with two newel posts rope, wherein, newel post is rectangular steel pipe, center pillar is H shaped steel, skewed slot is angle steel, described cable wire is connected with newel post by butt rigging, and is connected with center pillar by U-bolt.
Further, between described newel post and center pillar, be provided with and be connected with all cable wires and for keeping the interval holding plate of its mutual spacing, described cable wire is connected with interval holding plate by U-bolt.
Further, described center pillar is more than two, is also provided with interval holding plate between adjacent center pillar.
In order to increase antiseptic property, improve application life, the surface of described newel post, center pillar, skewed slot, cable wire is equipped with anticorrosive coat, and this anticorrosive coat is made by galvanizing by dipping mode.Further, because the steel wire diameter of grid is less, more easily lose barrier propterty after corrosion, the mode that it adopts zinc-plated-5% aluminium-mixed rare earth alloy coating, improves its integrally-built durability.
In order further to improve impact resistance, described cable wire end is also provided with energy dissipator, and this energy dissipator is that friction-type sinker is or/and spring type sinker.
In order further to strengthen the bending resistance of newel post, between described diagonal brace and newel post, be provided with reinforced company's fitting.And described diagonal brace incline direction is along cable wire arranged direction.
When longitudinal length is larger, for convenience of clearing up the falling rocks of piling up after net, on described grid, is also provided with falling rocks and removes mouth.
Operating principle of the present utility model is: when suffering rock-fall impact, grid is absorbed and is consumed part energy by self-deformation, most of energy is passed to cable wire simultaneously, cable wire passes through self-deformation, dissipative part energy, energy dissipator dissipative part energy meanwhile, and dump energy is passed to steel column, and then reach concrete foundation and dissipate.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is by standardization, immobilized design, make integral body there is the comparatively comprehensively theory of computation, clearly determine protection energy level, can be by product seriation during operation, in construction works, select and application more targetedly, and the utility model is for ease of maintenaince managed; Product design is succinct, attractive in appearance, good with surrounding environment harmony; Easy construction; The adaptation of product is strong.
(2) impact energy that the utility model consumes falling rocks step by step by multilayer modes of going forward one by one such as grid, cable wire, energy dissipator and concrete foundations, has high safety and protection effect.
(3) the utility model arranges anticorrosive coat on surface, has effectively improved integrally-built durability.
Accompanying drawing explanation
Fig. 1 is that facade of the present utility model is faced structural representation.
Fig. 2 is newel post of the present utility model side elevational view.
Fig. 3 is center pillar of the present utility model side elevational view.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-concrete foundation, 2-newel post, 3-center pillar, 4-diagonal brace, 5-cable wire, 6-grid, 7-reinforced company fitting, 8-interval holding plate, 9-receives limit rope, 10-butt rigging.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1 to Figure 3, this rigid protection net, be mainly used in high ferro side slope protection along the line, for preventing and treating side slope, sporadicly fall piece, little the slipping of soil property collapsed, small-sized foreign body intrusion etc., specifically comprise and imbed high ferro other cutting wall or barricade top along the line, independently concrete foundation 1 in soil matrix and batholith, at least one center pillar 3 and two newel posts 2 fixing and space in concrete foundation are goed deep in lower end, one end be connected with newel post and other end Transducers Embedded in Concrete basis in diagonal brace 4, several are arranged between two newel posts and in newel post upper end to the cable wire 5 that is parallel to each other between concrete foundation and is all connected with center pillar, the grid 6 that space between newel post upper end and concrete foundation is covered and is connected with all cable wires comprehensively, and the receipts limit all arranging in grid top and bottom and be all connected with two newel posts rope 9, wherein, newel post is rectangular steel pipe, center pillar is H shaped steel, skewed slot is angle steel, their sectional dimension is determined according to protection energy requirement, the steel that adopt should meet national standard, and intensity meets design requirement, and also calculative determination in the light of actual conditions of the concrete size of concrete foundation, generally the thickness before and after it is not less than 70cm, described cable wire is connected with newel post by butt rigging 10, and is connected with center pillar by U-bolt, described grid adopts seam loop be connected or adopt the mode of tied silk colligation to connect with cable wire.In practical application, when high ferro is along the line, by this rigid protection net head and the tail of number connection, be arranged side by side successively, every length is 30 ~ 90m left and right, between newel post and center pillar, center pillar, is spaced apart 3 ~ 4m.In order further to strengthen the bending resistance of newel post, between described diagonal brace and newel post, be provided with reinforced company's fitting 7.And described diagonal brace incline direction is along cable wire arranged direction.
Further, between described newel post and center pillar, be provided with and be connected with all cable wires and for keeping the interval holding plate 8 of its mutual spacing, described cable wire is connected with interval holding plate by U-bolt.When center pillar is when more than two, between adjacent center pillar, be also provided with interval holding plate.Conventionally the position of this interval holding plate is in the spacing center of the two.Especially when the little energy of falling rocks size is large, interval holding plate can fully keep the interval between cable wire, and then follow-up falling rocks is protected.
As preferably, described cable wire is the high strength steel strand of 3 * 7 strands, and the spacing of adjacent cable wire is generally 300mm, can adjust according to actual falling rocks situation; As preferably, the mesh of grid is 50mm * 50mm or adopts gabion net.
In order to increase antiseptic property, improve application life, the surface of the parts such as described newel post, center pillar, skewed slot, cable wire, reinforced company's fitting is equipped with anticorrosive coat, and this anticorrosive coat is made by galvanizing by dipping mode.Because the steel wire diameter of grid is less, after corrosion, more easily lose barrier propterty, the mode that it adopts zinc-plated-5% aluminium-mixed rare earth alloy coating, improves its integrally-built durability.
In order further to improve impact resistance, described cable wire end is also provided with energy dissipator, and this energy dissipator is that friction-type sinker is or/and spring type sinker.
When longitudinal length is larger, for convenience of clearing up the falling rocks of piling up after net, on described grid, is also provided with falling rocks and removes mouth.And according to the situation of exact arrangement, this falling rocks is removed mouth and can also be arranged between adjacent two rigid protection net.
According to above-described embodiment, just can realize well the utility model.What deserves to be explained is; under prerequisite based on above-mentioned design principle; for solving same technical problem; even if some that make in content basis disclosed in the utility model are without substantial change or polishing; the essence of the technical scheme adopting is still the same with the utility model, therefore it also should be in protection domain of the present utility model.
Claims (7)
1. the semi-rigid protective screening protecting for Falling Rocks, it is characterized in that, comprise and imbed high ferro along the line or cutting wall or the barricade top of road, independently concrete foundation (1) in soil matrix and batholith, at least one center pillar (3) and two newel posts (2) fixing and space in concrete foundation are goed deep in lower end, one end be connected with newel post and other end Transducers Embedded in Concrete basis in diagonal brace (4), several are arranged between two newel posts and in newel post upper end to the cable wire being parallel to each other between concrete foundation and be all connected with center pillar (5), the grid (6) that space between newel post upper end and concrete foundation is covered and is connected with all cable wires comprehensively, and the receipts limit all arranging in grid top and bottom and be all connected with two newel posts rope (9), wherein, newel post is rectangular steel pipe or H shaped steel, center pillar is H shaped steel, diagonal brace is channel-section steel or angle steel, described cable wire is connected with newel post by butt rigging (10), and is connected with center pillar by U-bolt.
2. the semi-rigid protective screening for Falling Rocks protection according to claim 1, it is characterized in that, between described newel post and center pillar, be provided with and be connected with all cable wires and for keeping the interval holding plate (8) of its mutual spacing, described cable wire is connected with interval holding plate by U-bolt.
3. the semi-rigid protective screening for Falling Rocks protection according to claim 2, is characterized in that, described center pillar is more than two, is also provided with interval holding plate (8) between adjacent center pillar.
4. according to the semi-rigid protective screening for Falling Rocks protection described in claim 1 ~ 3 any one, it is characterized in that, the surface of described newel post, center pillar, skewed slot, cable wire is equipped with anticorrosive coat, and this anticorrosive coat is made by galvanizing by dipping mode.
5. according to the semi-rigid protective screening for Falling Rocks protection described in claim 1 ~ 3 any one, it is characterized in that, described cable wire end can be provided with energy dissipator, and this energy dissipator is that friction-type sinker is or/and spring type sinker.
6. according to the semi-rigid protective screening for Falling Rocks protection described in claim 1 ~ 3 any one, it is characterized in that, between described diagonal brace and newel post, be provided with reinforced company's fitting (7).
7. according to the semi-rigid protective screening for Falling Rocks protection described in claim 1 ~ 3 any one, it is characterized in that, described diagonal brace incline direction is along cable wire arranged direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354721.8U CN204000652U (en) | 2014-06-30 | 2014-06-30 | Semi-rigid protective screening for Falling Rocks protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354721.8U CN204000652U (en) | 2014-06-30 | 2014-06-30 | Semi-rigid protective screening for Falling Rocks protection |
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| CN204000652U true CN204000652U (en) | 2014-12-10 |
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| CN201420354721.8U Expired - Fee Related CN204000652U (en) | 2014-06-30 | 2014-06-30 | Semi-rigid protective screening for Falling Rocks protection |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256731A (en) * | 2015-11-18 | 2016-01-20 | 成都希尔特科技有限公司 | Rockfall prevention driven flexible protective net system designing method based on energy matching principle |
| CN108374358A (en) * | 2018-05-09 | 2018-08-07 | 中铁二院工程集团有限责任公司 | A kind of rockfall is passively blocked construction |
| CN108487066A (en) * | 2018-03-28 | 2018-09-04 | 中交公局第三工程有限公司 | High slope bridge construction technique based on Existing Railway Line |
| CN108708310A (en) * | 2018-05-09 | 2018-10-26 | 中铁二院工程集团有限责任公司 | Steel framework pin-connected panel rockfall is blocked construction |
| CN109269754A (en) * | 2018-11-06 | 2019-01-25 | 西南交通大学 | A kind of cartridge type guiding orientation percussion mechanism and test method for sinker dynamic test in falling rocks intercepting system |
| CN109506870A (en) * | 2018-11-06 | 2019-03-22 | 西南交通大学 | A kind of cable type guiding orientation percussion mechanism for rock-fall protection system sinker dynamic test |
| CN113756217A (en) * | 2021-09-30 | 2021-12-07 | 应急管理部国家自然灾害防治研究院 | Collapse falling stone protection net structure with toughness energy dissipation function and installation method |
-
2014
- 2014-06-30 CN CN201420354721.8U patent/CN204000652U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256731A (en) * | 2015-11-18 | 2016-01-20 | 成都希尔特科技有限公司 | Rockfall prevention driven flexible protective net system designing method based on energy matching principle |
| CN105256731B (en) * | 2015-11-18 | 2017-11-07 | 四川奥思特边坡防护工程有限公司 | The passive soft protecting net design method of rock-fall proof based on energy match principle |
| CN108487066A (en) * | 2018-03-28 | 2018-09-04 | 中交公局第三工程有限公司 | High slope bridge construction technique based on Existing Railway Line |
| CN108374358A (en) * | 2018-05-09 | 2018-08-07 | 中铁二院工程集团有限责任公司 | A kind of rockfall is passively blocked construction |
| CN108708310A (en) * | 2018-05-09 | 2018-10-26 | 中铁二院工程集团有限责任公司 | Steel framework pin-connected panel rockfall is blocked construction |
| CN109269754A (en) * | 2018-11-06 | 2019-01-25 | 西南交通大学 | A kind of cartridge type guiding orientation percussion mechanism and test method for sinker dynamic test in falling rocks intercepting system |
| CN109506870A (en) * | 2018-11-06 | 2019-03-22 | 西南交通大学 | A kind of cable type guiding orientation percussion mechanism for rock-fall protection system sinker dynamic test |
| CN109269754B (en) * | 2018-11-06 | 2020-08-04 | 西南交通大学 | Cylinder type guiding directional impact device and method for energy dissipater power test in rockfall interception system |
| CN109506870B (en) * | 2018-11-06 | 2020-08-04 | 西南交通大学 | Rope type guiding directional impact device for dynamic test of energy dissipater of rockfall protection system |
| CN113756217A (en) * | 2021-09-30 | 2021-12-07 | 应急管理部国家自然灾害防治研究院 | Collapse falling stone protection net structure with toughness energy dissipation function and installation method |
| CN113756217B (en) * | 2021-09-30 | 2023-02-07 | 应急管理部国家自然灾害防治研究院 | Collapse falling stone protection net structure with toughness energy dissipation function and installation method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |