CN106087784A - Slope protecting device - Google Patents
Slope protecting device Download PDFInfo
- Publication number
- CN106087784A CN106087784A CN201610503571.6A CN201610503571A CN106087784A CN 106087784 A CN106087784 A CN 106087784A CN 201610503571 A CN201610503571 A CN 201610503571A CN 106087784 A CN106087784 A CN 106087784A
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- Prior art keywords
- barrier wall
- damping
- antivibrator
- oblique
- cylinder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
- E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of slope protecting device, including the barrier wall that horizontal section is L-shaped and be arranged at the damping unit on rear side of barrier wall, during barrier wall is slided backward by landslide sandstone impact, described damping unit is for being supported in barrier wall forward and providing damping force；By arranging slidably barrier wall at toe, when domatic landslide, the sandstone impact barrier wall of landing, barrier wall is slided backward under the damping force of damping unit, can greatly reduce the whereabouts sandstone impulsive force to barrier wall, it is ensured that barrier wall is by uniformly and relatively little impulsive force, it is to avoid the damage of barrier wall, ensure the effective stop to whereabouts sandstone, improve the safety on road surface；Meanwhile, the build area of barrier wall is less, directly places and install damping unit after can be made into finished product, and the installation duration is short, low cost, simple in construction, it is easy to install.
Description
Technical field
The present invention relates to slope treatment field, be specifically related to a kind of slope protecting device.
Background technology
Side slope generally refers to the massif side with face of slope, due to surface, slope tilt, slope body self gravitation and its
Under his External Force Acting, especially under Rainfall simulator erosion effect easy unstability and come down, whole slope body has and slides from high to low
Trend, in prior art, typically reinforces side slope surface by the way of lattice is reinforced；Lattice reinforcement technique is to utilize slurry
Building block stone, cast-in-situ steel reinforced concrete or precast prestressed concrete carry out side slope surface protection, and utilize anchor pole or anchor cable in addition
Fixing a kind of reinforcing side slope technique, or use the mode building retaining wall along slope body side surface, Main Function is by Slope
The residual pushing force of body or soil pressure, rock pressure distribute to the anchor pole at lattice node or anchor cable, are then transmitted by anchor cable
To good ground, so that Slope body is in steady statue under the effect of the anchor force provided by anchor pole or anchor cable, and then
After mode slope and land slide, the road to lower section causes potential safety hazard；And by building lattice or retaining wall owing to needs are to this slope
Face carries out consolidation process, and general domatic area is relatively big, causes needs substantial amounts of artificial and material, and quantities is big, for relatively
For precipitous slope body, difficulty of construction is the biggest, causes slope treatment process to become to spend relatively costly, and for having come down
The slope body crossed needs to re-start reinforcing, to ensure the safety reinforced；And these need to repeat to reinforce and quantities, all add
Slope reinforcement maintenance dimension cost, carries out stopping landslide if directly building protecting wall at toe, owing to the sandstone on landslide is gliding
Process has certain inertia, and the impact caused to protecting wall is very big, causes protecting wall to damage and lose protection purpose.
Therefore, for solving problem above, need a kind of slope protecting device, it is possible to effectively slope and land slide situation is prevented
Protect, eliminate safe hidden trouble, and installing engineering amount is little and low cost, simple in construction, it is easy to install.
Summary of the invention
In view of this, it is an object of the invention to overcome defect of the prior art, it is provided that slope protecting device, enough the most right
Slope and land slide situation is protected, and eliminates safe hidden trouble, and installing engineering amount is little and low cost, simple in construction, it is easy to install.
The slope protecting device of the present invention, including the barrier wall that horizontal section is L-shaped and be arranged at the resistance on rear side of barrier wall
Buddhist nun's device, during barrier wall is slided backward by landslide sandstone impact, described damping unit is for being supported in forward
Barrier wall also provides damping force.
Further, described damping unit is multiple and along barrier wall genesis analysis, and each damping unit all includes supporting seat, tiltedly
To antivibrator, vertical damping device and the pushing block being vertically slideably positioned in the barrier wall back side, described oblique antivibrator and vertical damping
Device sets the cylinder of resisting medium, the damping piston being arranged in cylinder and the inner and is fixed on damping piston and outer end axle in all including
To passing the damper rod of cylinder, the cylinder back-end of oblique antivibrator is articulated with support seat, the damper rod front end hinge of oblique antivibrator
It is connected to pushing block and compresses and upward sliding under the effect of barrier wall；The cylinder of vertical damping device is vertically fixedly installed on stop
Wall upper end, the damper rod outer end of vertical damping device is along acting on pushing block straight down.Prevent block protecting device from toppling over
Further, described oblique antivibrator and vertical damping device are MR damper, and described damping unit also includes
Control module, described control module is connected with the magnetic excitation wires of oblique antivibrator and vertical damping device and is used for respectively
Control damping force and the damping force of vertical damping device of oblique antivibrator；
Pressure transducer, pressure transducer be multiple and along barrier wall front vertical direction distribution, be used for detecting stop
Detected value is also delivered to control module by the distribution vertically of wall positive pressure；
Velocity of displacement detector, for detecting barrier wall and the displacement of pushing block and speed.
Further, the articulated column that the radially secure setting of cylinder back-end of described oblique antivibrator is hinged with supporting seat, institute
State damping unit and also include that rotary magneto-rheological damper, described rotary magneto-rheological damper are two and are respectively arranged in hinged
The two ends of post for oblique antivibrator rotary damping is controlled, the magnetic excitation wires of described rotary magneto-rheological damper with control mould
Block.Prevent block protecting device from takeofing
Further, described support seat is the foundation pile that lower end is sharp-pointed, the upper surface of described foundation pile be provided with for oblique resistance
The hinged seat that the cylinder tail end of Buddhist nun's device is hinged.Easy for installation, convenient disassembly
Further, multiple roller bearing being vertically distributed is set, in the bottom surface of pushing block between described pushing block and barrier wall
The spacing arcuate groove of roller bearing it is wrapped in outside recessed forming part；Described barrier wall back side indent is formed and is vertically formed for pushing away
The stopper slot that block is spacing, the cylinder bottom of described vertical damping device compresses the upper end inwall being fixed on stopper slot.Pushing block structure, protects
Demonstrate,prove by force intensity high.
Further, the housing of described rotary magneto-rheological damper is fixed with the braced wing for preventing housing into rotation, institute
Stating braced wing is two panels the both sides being front and back supported in rotary magneto-rheological damper.Support light and handy, convenient
Further, the cylinder back-end of described oblique antivibrator axially extends and is formed mounting post, described articulated column and peace
Dress post is one-body molded.Tube structure, it is ensured that intensity
Further, described barrier wall includes vertical body of wall and is positioned at the transverse bottom on front side of vertical body of wall, the described horizontal end
Front end, portion upper surface convexes to form the barb that end face is right angled triangle.
Further, described damping piston is located in cylinder and cylinder separates the first chamber and the second chamber, the first chamber
Being provided with magnetic flow liquid with the second chamber, described damping piston includes piston head and magnet exciting coil, the appearance of described piston head
Face is provided with the spiral type damp channel for flowing between the first chamber and the second chamber, described magnet exciting coil for magnetic flow liquid
It is located at the radial outside of spiral type damp channel.
The invention has the beneficial effects as follows: a kind of slope protecting device disclosed by the invention, by arranging slidably at toe
Barrier wall, when domatic landslide time, landing sandstone impact barrier wall so that barrier wall under the damping force of damping unit backward
Slide, can greatly reduce the whereabouts sandstone impulsive force to barrier wall, it is ensured that barrier wall is by uniformly and relatively little impulsive force, it is to avoid
The damage of barrier wall, it is ensured that the effective stop to whereabouts sandstone, improves the safety on road surface；Meanwhile, the build area of barrier wall
Less, directly place and install damping unit after can be made into finished product, the installation duration is short, low cost, simple in construction, it is easy to peace
Dress.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of MR damper in the present invention；
Fig. 3 is the structural representation at the barrier wall back side in the present invention；
Fig. 4 is control structure schematic diagram in the present invention.
Detailed description of the invention
Fig. 1 is the structural representation of the present invention, and Fig. 2 is the structural representation of MR damper in the present invention, and Fig. 3 is this
The structural representation at the barrier wall back side in invention, Fig. 4 is control structure schematic diagram in the present invention, as it can be seen, in the present embodiment
Slope protecting device；Including barrier wall that horizontal section is L-shaped 1 be arranged at the damping unit on rear side of barrier wall 1, stopping
During wall 1 is slided backward by landslide sandstone impact, described damping unit is for being supported in barrier wall 1 forward and providing
Damping force；Described slope protecting device can be multiple and be set up in parallel along side slope edge, laterally represents and is perpendicular in horizontal plane
The direction of barrier wall 1 length, represents forward the barrier wall 1 direction towards side slope, otherwise after being, barrier wall 1 can be by reinforced concrete
Soil is one-body molded, and can arrange ribs at bottom comers, and extending forward bottom barrier wall 1 and forming horizontal section is L-shaped, protects
Demonstrate,prove barrier wall 1 by after impacting static time stablized；By arranging slidably barrier wall 1 at toe, when domatic landslide,
The sandstone impact barrier wall 1 of landing so that barrier wall 1 slides backward under the damping force of damping unit, can greatly reduce whereabouts
The sandstone impulsive force to barrier wall 1, it is ensured that barrier wall 1 is by uniformly and relatively little impulsive force, it is to avoid the damage of barrier wall 1, protects
Demonstrate,prove the effective stop to whereabouts sandstone, improve the safety on road surface；Meanwhile, the build area of barrier wall 1 is less, can be made into finished product
The most directly placing and install damping unit, the installation duration is short, low cost, simple in construction, it is easy to install；Described damping unit
All all damping units that can realize the object of the invention in prior art can be used, do not repeat them here.
In the present embodiment, described damping unit is multiple and along barrier wall 1 genesis analysis, and each damping unit all includes supporting
Seat 2, oblique antivibrator 3, vertical damping device 4 and be vertically slideably positioned in the pushing block 5 at barrier wall 1 back side, described oblique antivibrator 3
Resistance is fixed in the cylinder setting resisting medium 6 with vertical damping device 4 in all including, the damping piston 7 being arranged in cylinder and the inner
Buddhist nun's piston 7 and outer end axially pass the damper rod 8 of cylinder, and the cylinder back-end of oblique antivibrator 3 is articulated with support seat 2, oblique resistance
Damper rod 8 front end of Buddhist nun's device 3 is articulated with pushing block 5 and compresses and upward sliding under the effect of barrier wall 1；Vertical damping device 4
Cylinder 4a is vertically fixedly installed on barrier wall 1 upper end, and the edge, damper rod 8 outer end of vertical damping device 4 acts on straight down and pushes away
Block 5；The damper rod outer end of vertical damping device 4 represents the one end being positioned at outside vertical damping device cylinder 4a, and described support seat 2 is fixing to be set
Put the ground on rear side of barrier wall 1, by oblique antivibrator 3, vertical damping device 4 and the setting of pushing block, it is ensured that damping unit is to resistance
The application point of the damping force of barricade 1 for moving up, is adaptable to barrier wall 1 the most gradually at vertical direction
Situation by sandstone impulsive force, it is to avoid barrier wall 1 is damaged by the shearing force of bigger fore-and-aft direction, and be beneficial to stop
The raising of wall 1 damping effect, it is ensured that effective damping, shortens damping distance, it is to avoid barrier wall 1 overturning.
In the present embodiment, described oblique antivibrator 3 and vertical damping device 4 are MR damper, described damping unit
Also include
Control module, described control module is connected with the magnetic excitation wires of oblique antivibrator 3 and vertical damping device 4 and is used for point
Do not control damping force and the damping force of vertical damping device 4 of oblique antivibrator 3；
Pressure transducer 9, pressure transducer 9 be multiple and along barrier wall 1 front vertical direction distribution, be used for detecting resistance
Detected value is also delivered to control module by the distribution vertically of barricade 1 positive pressure；
Velocity of displacement detector, for detecting barrier wall 1 and the displacement of pushing block and speed, described control module is according to pressure
The pressure of the different vertically height in barrier wall 1 front detected of sensor 9, it is judged that the vertical direction stress in barrier wall 1 front
Situation, and combine the barrier wall 1 and the displacement of pushing block and speed that displacement speed detector detects, velocity of displacement detector includes
The first velocity of displacement detector 5a for barrier wall and the second displacement speed detector 5b for pushing block, the first velocity of displacement
Detector 5a is installed on support seat, and the second displacement speed detector 5b is installed on the shell of vertical damping device 4, and reasonable adjusting is oblique
To antivibrator 3 and the damping force of vertical damping device 4, make the favourable opposition that the moving displacement of pushing block is subject to barrier wall 1 vertical direction
Power of hitting is contour, and control module by control vertical damping device 4 damping force knot with reference to maximum impact force height change and then
Regulation pushing block vertical height can be able to be obtained by existing computational methods, do not repeat them here, simultaneously control module according to
The moving displacement of barrier wall 1 and speed, and then control the damping force of oblique antivibrator 3, such as barrier wall 1 excessive velocities can increase
The exciting current of oblique antivibrator 3, and then increase the damping force of oblique antivibrator 3, can effectively barrier wall 1 adaptability be damped,
Ensure damping effect；Certainly going back damping unit and also include that being positioned at each parts provides the power module of power supply, control module can be 51
Single-chip microcomputer, velocity of displacement detector can use laser velocimeter-displacement instrument, pressure transducer 9 to be strain pressure transducer 9,
It is prior art, does not repeats them here.
In the present embodiment, the radially secure setting of cylinder back-end of described oblique antivibrator 3 with support hinged hinged of seat 2
Post 3b, described damping unit also includes that rotary magneto-rheological damper 10, described rotary magneto-rheological damper 10 are two and divide
It is not installed on the two ends of articulated column 3b and for oblique antivibrator 3 rotary damping is controlled, described rotary magneto-rheological damper 10
Magnetic excitation wires and control module；Articulated column 3b can use with the fixed form of the cylinder of oblique antivibrator 3 existing weld or
One-body molded；The Damping rotation shaft of rotary magneto-rheological damper 10 coordinates with articulated column 3b transmission, passes through rotary magneto-rheological damper
The setting of 10, can provide rotary damping power to oblique antivibrator 3, and then reduces oblique antivibrator 3 to pushing block active force upwards,
In conjunction with barrier wall 1 by the downward action of gravity of sandstone, it is ensured that barrier wall 1 will not be liftoff, simultaneously rotary magneto-rheological damper 10
Increase damping energy dissipation, it is ensured that damping.
In the present embodiment, described support seat 2 is the foundation pile that lower end is sharp-pointed, the upper surface of described foundation pile be provided with for tiltedly
To the hinged seat that the cylinder tail end of antivibrator 3 is hinged；Take up an area space little, easy for installation, convenient disassembly
In the present embodiment, multiple roller bearing 11 being vertically distributed, pushing block 5 are set between described pushing block 5 and barrier wall 1
Bottom surface indent forming part outside be wrapped in the spacing arcuate groove of roller bearing 11；Described barrier wall 1 back side indent is formed vertically
Being formed for the stopper slot 12 spacing to pushing block 5, the cylinder bottom of described vertical damping device 4 compresses is fixed on the upper of stopper slot 12
End inwall；Ensure that pushing block is prone to slide, be hardly damaged, and the cylinder bottom of vertical damping device 4 compresses and is fixed on stopper slot 12
Upper end inwall, it is ensured that the cylinder good stability of vertical damping device 4, pressure resistance.
In the present embodiment, the housing of described rotary magneto-rheological damper 10 is fixed with the support for preventing housing into rotation
Wing 13a, described braced wing 13a are two panels the both sides being front and back supported in rotary magneto-rheological damper 10；Simple in construction, fixing side
Just, light weight, it is easy to mobile.
In the present embodiment, the cylinder back-end of described oblique antivibrator 3 axially extends and is formed mounting post 13, described hinged
Post 3b is one-body molded with mounting post 13；It is effectively improved structural strength.
In the present embodiment, described barrier wall 1 includes vertical body of wall 14 and is positioned at the transverse bottom 15 on front side of vertical body of wall 14,
Described transverse bottom 15 front end upper surface convexes to form the barb 16 that end face is right angled triangle；Barrier wall 1 is avoided to be subject to time static
Slide to the lateral pressure of landing sandstone, it is ensured that barrier wall 1 is as stability during retaining wall.
In the present embodiment, described damping piston 7 is located in cylinder and cylinder separates the first chamber 17 and the second chamber 18,
First chamber 17 and the second chamber 18 are provided with magnetic flow liquid, and described damping piston 7 includes piston head 19 and magnet exciting coil 20,
The outer surface of described piston head 19 is provided with the spiral for flowing between the first chamber 17 and the second chamber 18 for magnetic flow liquid
Shape damp channel 21, described magnet exciting coil 20 is located at the radial outside of spiral type damp channel 21；Outer surface at piston head 19
Spiral type damp channel 21 is set, compared to the damp channel of linear structure, can expand with the effective length of growth drag passage
Damping force output area, it is possible to meet the buffer requirements under high speed impact；Magnet exciting coil 20 is located at spiral type damp channel 21
Radial outside, beneficially magnet exciting coil 20 are formed and are perpendicular to the action of a magnetic field in magnetorheological medium motion direction, work in damp channel
Make the cylinder of cylinder without as magnetic conductive part, simplify processing technique.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from objective and the scope of technical solution of the present invention, it all should be contained at this
In the middle of the right of invention.
Claims (10)
1. a slope protecting device, it is characterised in that: include barrier wall that horizontal section is L-shaped and be arranged on rear side of barrier wall
Damping unit, at barrier wall by landslide sandstone impact during sliding backward, described damping unit is for propping up forward
Support in barrier wall and damping force is provided.
Slope protecting device the most according to claim 1, it is characterised in that: described damping unit is multiple and along barrier wall
Genesis analysis, each damping unit all includes supporting seat, oblique antivibrator, vertical damping device and being vertically slideably positioned in the barrier wall back of the body
The pushing block in face, described oblique antivibrator and vertical damping device set resisting medium cylinder in all including, the resistance being arranged in cylinder
Buddhist nun's piston and inner be fixed on damping piston and outer end axially passes the damper rod of cylinder, the cylinder back-end of oblique antivibrator is hinged
In supporting seat, the damper rod front end of oblique antivibrator is articulated with pushing block and compresses and upward sliding under the effect of barrier wall；Perpendicular
Vertically being fixedly installed on barrier wall upper end to the cylinder of antivibrator, the damper rod outer end of vertical damping device is along acting on straight down
In pushing block.
Slope protecting device the most according to claim 2, it is characterised in that: described oblique antivibrator and vertical damping device are equal
For MR damper, described damping unit also includes
Control module, described control module is connected with the magnetic excitation wires of oblique antivibrator and vertical damping device and is used for controlling respectively
The damping force of oblique antivibrator and the damping force of vertical damping device；
Pressure transducer, pressure transducer be multiple and along barrier wall front vertical direction distribution, be used for just detecting barrier wall
Detected value is also delivered to control module by surface pressure distribution vertically；
Velocity of displacement detector, for detecting barrier wall and the displacement of pushing block and speed.
Slope protecting device the most according to claim 3, it is characterised in that: the cylinder back-end of described oblique antivibrator is along footpath
To being fixedly installed the articulated column hinged with supporting seat, described damping unit also includes rotary magneto-rheological damper, described rotary magnetic
Rheological damper is two and is respectively arranged in the two ends of articulated column and for controlling oblique antivibrator rotary damping, described
The magnetic excitation wires of rotary magneto-rheological damper and control module.
Slope protecting device the most according to claim 2, it is characterised in that: described support seat is the foundation pile that lower end is sharp-pointed,
The upper surface of described foundation pile is provided with for the hinged seat hinged with the cylinder tail end of oblique antivibrator.
Slope protecting device the most according to claim 2, it is characterised in that: arrange multiple between described pushing block and barrier wall
The roller bearing being vertically distributed, is wrapped in the spacing arcuate groove of roller bearing outside the bottom surface indent forming part of pushing block；Described barrier wall
Back side indent is formed and is vertically formed for the stopper slot spacing to pushing block, and the cylinder bottom of described vertical damping device compresses
It is fixed on the upper end inwall of stopper slot.
Slope protecting device the most according to claim 4, it is characterised in that: the housing of described rotary magneto-rheological damper is solid
Surely being provided with the braced wing for preventing housing into rotation, described braced wing is two panels and is front and back supported in rotary magneto-rheological damper
Both sides.
Slope protecting device the most according to claim 4, it is characterised in that: the cylinder back-end of described oblique antivibrator is along axle
To extending and forming mounting post, described articulated column is one-body molded with mounting post.
Slope protecting device the most according to claim 1, it is characterised in that: described barrier wall includes vertical body of wall and is positioned at
Transverse bottom on front side of vertical body of wall, described transverse bottom front end upper surface convexes to form the barb that end face is right angled triangle.
Slope protecting device the most according to claim 2, it is characterised in that: described damping piston is located in cylinder and will
Cylinder separates the first chamber and the second chamber, the first chamber and the second chamber and is provided with magnetic flow liquid, described damping piston bag
Include piston head and magnet exciting coil, the outer surface of described piston head be provided with for for magnetic flow liquid the first chamber and the second chamber it
Between flowing spiral type damp channel, described magnet exciting coil is located at the radial outside of spiral type damp channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503571.6A CN106087784B (en) | 2016-06-30 | 2016-06-30 | Slope protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503571.6A CN106087784B (en) | 2016-06-30 | 2016-06-30 | Slope protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106087784A true CN106087784A (en) | 2016-11-09 |
| CN106087784B CN106087784B (en) | 2018-07-27 |
Family
ID=57214018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610503571.6A Expired - Fee Related CN106087784B (en) | 2016-06-30 | 2016-06-30 | Slope protecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106087784B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109653110A (en) * | 2019-02-26 | 2019-04-19 | 成都山地环安防灾减灾技术有限公司 | Hydraulic spring grease cup energy consumption soft protecting net |
| CN110258370A (en) * | 2019-06-20 | 2019-09-20 | 张唤裕 | It is a kind of to carry out stable mountain area roadside protective fence using weight of impact |
| CN111236969A (en) * | 2020-03-30 | 2020-06-05 | 中国矿业大学(北京) | Roadway side wall supporting device and method |
| CN112796243A (en) * | 2020-12-31 | 2021-05-14 | 南通市达欣工程股份有限公司 | Sound insulation and noise reduction equipment for building construction and use method thereof |
| CN113269950A (en) * | 2021-06-25 | 2021-08-17 | 江西省交通科学研究院有限公司 | High slope monitoring device |
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| JPS584027A (en) * | 1981-06-27 | 1983-01-11 | Masaya Nagashima | Method and apparatus for constructing take-down type sheathing wall |
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| KR20120071375A (en) * | 2012-06-12 | 2012-07-02 | 김광숙 | Precast concrete retaining wall |
| CN202543950U (en) * | 2012-04-06 | 2012-11-21 | 长沙理工大学 | Side slope anti-seismic flexible passive protective net system |
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| JPS584027A (en) * | 1981-06-27 | 1983-01-11 | Masaya Nagashima | Method and apparatus for constructing take-down type sheathing wall |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653110A (en) * | 2019-02-26 | 2019-04-19 | 成都山地环安防灾减灾技术有限公司 | Hydraulic spring grease cup energy consumption soft protecting net |
| CN109653110B (en) * | 2019-02-26 | 2023-08-22 | 成都山地环安防灾减灾技术有限公司 | Flexible protective net for hydraulic spring energy consumption |
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| CN110258370B (en) * | 2019-06-20 | 2021-08-10 | 张唤裕 | Utilize impact weight to carry out stable mountain area roadside rail guard |
| CN111236969A (en) * | 2020-03-30 | 2020-06-05 | 中国矿业大学(北京) | Roadway side wall supporting device and method |
| CN112796243A (en) * | 2020-12-31 | 2021-05-14 | 南通市达欣工程股份有限公司 | Sound insulation and noise reduction equipment for building construction and use method thereof |
| CN113269950A (en) * | 2021-06-25 | 2021-08-17 | 江西省交通科学研究院有限公司 | High slope monitoring device |
| CN113269950B (en) * | 2021-06-25 | 2022-07-08 | 江西省交通科学研究院有限公司 | High slope monitoring device |
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| Publication number | Publication date |
|---|---|
| CN106087784B (en) | 2018-07-27 |
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