CN110055850B - Municipal road passive safety device and mounting method thereof - Google Patents
Municipal road passive safety device and mounting method thereof Download PDFInfo
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- CN110055850B CN110055850B CN201910336114.6A CN201910336114A CN110055850B CN 110055850 B CN110055850 B CN 110055850B CN 201910336114 A CN201910336114 A CN 201910336114A CN 110055850 B CN110055850 B CN 110055850B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 239000010920 waste tyre Substances 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 24
- 239000004576 sand Substances 0.000 claims description 8
- 230000004224 protection Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 241000353135 Psenopsis anomala Species 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 244000050510 Cunninghamia lanceolata Species 0.000 claims 1
- 241000219000 Populus Species 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 241001149649 Taxus wallichiana var. chinensis Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/007—Vehicle decelerating or arresting surfacings or surface arrangements, e.g. arrester beds ; Escape roads, e.g. for steep descents, for sharp bends
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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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a passive safety device for a municipal road and an installation method thereof, and the passive safety device comprises a concrete layer poured on the ground, wherein a reinforcement cage is poured inside the concrete layer, multiple layers are arranged in parallel above and below the reinforcement cage, a slope with the gradient of 3-6 degrees is formed after the concrete layer is poured, when a vehicle is buffered, the vehicle runs from the lower end of the slope to the high position, and the transverse length of the poured concrete layer is 200-300 meters; this product can realize that the vehicle slows down.
Description
Technical Field
The invention relates to a passive safety device for a municipal road and an installation method thereof.
Background
The load of a large-scale loading vehicle is usually more than 10 tons, during the running of the vehicle, the condition of high temperature, locking and the like of a brake often occurs due to large load capacity, particularly, in a long downhill section, the condition of extremely serious thermal attenuation of the brake and brake failure often occur due to frequent braking, and the condition of extremely serious traffic accidents is caused because the downhill section is long, the vehicle can be continuously and passively accelerated along with the failure of the brake and finally rushes out of a guardrail, but the conventional method is to construct a buffer corridor at the downhill position of a road, the buffer corridor is of a simple sand-stone structure, the adhesion force of the wheels is reduced by sinking the wheels, and the effect of slowing is further achieved, but the accident that the loading vehicle staying on the buffer corridor turns on one side is often found due to serious sinking of the ground, so that the vehicle seriously inclines towards one side, eventually causing the vehicle to roll over.
Based on the problems, the municipal road passive safety device capable of achieving vehicle speed reduction and the installation method thereof are designed.
Disclosure of Invention
The invention aims to provide a municipal road passive safety device capable of realizing vehicle speed reduction and an installation method thereof.
In order to solve the problems, the invention adopts the following technical scheme:
a passive safety device for a municipal road comprises a concrete layer poured on the ground, wherein a reinforcement cage is poured inside the concrete layer, multiple layers are arranged in parallel from top to bottom of the reinforcement cage, a slope with the gradient of 3-6 degrees is formed after the concrete layer is poured, a vehicle runs from the lower end of the slope to the higher end when the vehicle is buffered, the transverse length of the poured concrete layer is 200-300 meters, a concave foundation pit is formed on the slope after the concrete layer is poured, the depth of the foundation pit is 10-20 cm, a buffer mixture is paved in the foundation pit in a parallel mode, the foundation pit is mainly used for filling the buffer mixture, when the vehicle runs, the buffer mixture is contacted, wheels sink, the vehicle is decelerated, the depth of the foundation pit is only 10-20 cm, excessive side tilting of the vehicle is avoided, and the vehicle is prevented from turning on side during buffering, concrete is arranged below the foundation pit, the concrete has enough supporting strength and can meet the supporting requirement of a vehicle, a reinforcement cage is poured in the concrete and can further increase the structural strength of a concrete layer, a plurality of buffer columns are arranged side by side at the position, close to the left side, of the foundation pit and comprise a plurality of waste tires stacked up and down, rod pieces are arranged among the waste tires in a penetrating mode, the lower ends of the rod pieces penetrate through the waste tires and then are inserted into the concrete layer downwards, the upper ends of the rod pieces are supported at the top of the concrete layer after being bent towards the left side in an inclined mode, a plurality of first waste tires for lateral protection are poured at the top of the concrete layer along the foundation pit, the diameter of each first waste tire is larger than 60cm, the tire width is larger than 22.5cm, and the first waste tires are poured and fixed when the concrete layer is poured, need not other fixed mode in later stage, first junked tire plays the buffering protection effect of side direction, and when the locking became invalid takes place for the vehicle, the direction of vehicle still is controllable usually, consequently the direction that the driver went can be reminded in setting up of first junked tire, avoids crossing the line, and when the vehicle was uncontrollable, the striking of bearing the vehicle reduces the car and decreases, also reduces the risk that the vehicle dashed down the slope simultaneously.
Preferably, each layer of reinforcement cage comprises a plurality of twisted steel bars which are arranged in a transverse and longitudinal staggered mode, the diameter of each twisted steel bar is 8-12 mm, the twisted steel bars are tied and fixed at staggered positions through steel binding wires, the distance between every two adjacent twisted steel bars is 20-30 cm, and the distance between every two adjacent twisted steel bars is 15-30 cm.
Preferably, the buffer mixture comprises 20-30% of medium sand, 20-25% of stones and the balance of melon seed slices, and when the buffer mixture is tiled, the buffer mixture is mixed by mixing equipment and then paved; the materials are simple and easy to obtain, have good deformation capacity after being stressed, and are easy to cooperate with wheels to realize speed reduction.
Preferably, the rod piece is a hollow steel pipe with the diameter of 6 cm-8 cm, is made of Q235 common carbon structural steel, and has the wall thickness of 1 cm-2 cm.
Preferably, a plurality of tire wall breaking rods are arranged at the bottom of the foundation pit and close to the buffer columns in an array mode, the upper ends of the tire wall breaking rods are processed into a quadrangular pyramid shape, the lower ends of the tire wall breaking rods are poured in the concrete layer, the upper ends of the tire wall breaking rods are covered by the buffer mixture, the tire wall breaking rods are submerged in the buffer mixture in a normal state, when a vehicle drives in and the driving speed is too high, the buffer mixture can sink and deform, the tire wall breaking rods are in contact with the wheel, wall breaking of the wheel is achieved, the broken tire generates large rolling resistance, deceleration of the vehicle is facilitated, and impact force on the buffer columns is buffered.
Preferably, a space is formed by the waste tires on the inner side of the buffer column, coarse sand is filled in the space, and after the coarse sand is filled, the deformation resistance of the waste tires can be improved, the anti-collision capacity of the product is improved, and the collapse probability after stress is reduced;
preferably, a space is formed on the inner side of the buffer column through waste tires, soil is filled in the space, seedlings are planted, and the indication of a finish line can be realized by matching with the seedlings, so that a driver is reminded of preparing collision, and meanwhile, the seedlings can also have an anti-collision effect;
preferably, the nursery stock is one of Chinese yew and Chinese huyan.
A method of installing a passive safety device for a town road, comprising the steps of:
1) firstly, selecting the terminal point of a long downhill section of an expressway as the installation position of the structure;
2) leveling the pre-installed position on the ground, forming a V-shaped structure relative to a downhill road section after leveling, and when the vehicle stops and fails on the downhill road section, realizing deceleration through the uphill of the leveling road section;
3) laying steel reinforcement cages on the leveled road section, namely pouring a layer of concrete when each layer of steel reinforcement cage is laid until the concrete layer is poured, building a wooden template for forming the foundation pit above the steel reinforcement cages when the concrete is poured, forming the foundation pit after the concrete is poured and dried, and then removing the template;
4) vertically stacking a plurality of waste tires, then inserting a rod piece, inserting the rod piece downwards, arranging a hole for inserting the rod piece in a foundation pit, and bending the upper end of the rod piece by bending equipment before leaving a factory so that the upper end of the rod piece is contacted with the upper surface of a concrete layer after the lower end of the rod piece is inserted into the concrete layer to form an inclined strut, wherein at least 1 waste tire is required to be reserved in the foundation pit;
5) and filling the buffer mixture into the foundation pit, compacting by using a road roller, and covering the waste tires in the foundation pit with the buffer mixed soil.
The invention has the beneficial effects that: after the pavement is finished, the safety protection can be realized on the long downhill section of the expressway, when the vehicle is stopped and fails, the vehicle can drive into the pavement device, the deceleration of the vehicle is realized through the buffer mixture, the impact of the vehicle is borne through the buffer column, the vehicle loss is reduced, the pavement device is easy to pave, the molding condition is simple, the occurrence of large-scale traffic accidents can be reduced, and the pavement device is suitable for popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a partial schematic view of the present invention in a top view;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a top view of the reinforcement cage;
FIG. 4 is a top view of the pit;
FIG. 5 is a schematic view of the installation of a tire breaker bar;
FIG. 6 is a top view of the present invention in an implementation;
fig. 7 is a plan view of the present invention in an implementation state.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1 and 2, the passive safety device for the municipal road comprises a concrete layer 1 poured on the ground, wherein the pouring thickness of the concrete layer is 50cm, the longitudinal width of the concrete layer is 300cm, a reinforcement cage 2 is poured inside the concrete layer 1, a plurality of layers are arranged in parallel up and down, a slope 101 with the gradient of 3.5 degrees is formed after the concrete layer 1 is poured, when a vehicle is buffered, the vehicle runs from the lower end of the slope 101 to the high position, the transverse length of the concrete layer 1 after the pouring is finished is 240 meters, the load of a truck is large, the opposite braking distance is long, a concave foundation pit 102 is formed after the pouring on the slope 101, the depth of the foundation pit 102 is 14cm, a buffer mixture 3 is paved in the foundation pit 102, the foundation pit 102 is mainly arranged for filling the buffer mixture 3, when a vehicle runs, the vehicle contacts the buffer mixture 3 to cause the wheels to sink, the vehicle is decelerated, the depth of the foundation pit 102 is only 14cm, the vehicle cannot excessively roll, the vehicle is prevented from rolling over during buffering, concrete is arranged below the foundation pit 102 and has enough supporting strength to meet the supporting requirement of the vehicle, a reinforcement cage 2 is poured in the concrete to further increase the structural strength of the concrete layer 1, a plurality of buffer columns 4 are arranged side by side at the position close to the left side of the foundation pit 102, each buffer column 4 comprises a plurality of waste tires 401 which are stacked up and down, and a rod piece 402 which is arranged among the waste tires 401 in a penetrating manner, the lower end of the rod piece 402 penetrates through the waste tires 401 and then is inserted into the concrete layer 1, the upper end of the rod piece 402 is supported at the top of the concrete layer 1 after being bent towards the left side in an inclined manner, concrete layer 1's top, along the first junked tire 5 of a plurality of side direction protections usefulness has been pour to foundation ditch 102, the diameter of first junked tire 5 is 60cm, the child width is 23.5cm, first junked tire 5 is when pouring concrete layer, it is fixed promptly to pour, need not other fixed mode in later stage, first junked tire 5 plays the buffering protection effect of side direction, when the locking became invalid takes place for the vehicle, the direction of vehicle is still controllable usually, consequently, the direction that the driver went can be reminded in setting up of first junked tire, avoid crossing the line, when the vehicle is uncontrollable simultaneously, bear the striking of vehicle, reduce the car damage, also reduce the risk that the vehicle rushed down the slope.
Example 2
Referring to fig. 3, each layer of reinforcement cage 2 includes a plurality of twisted steel bars arranged in a horizontal and vertical staggered manner, the diameter of each twisted steel bar is 10mm, each twisted steel bar is fixed by binding with a steel wire at the staggered position of each twisted steel bar, the distance between every two adjacent twisted steel bars is 24cm, and the distance between every two adjacent twisted steel bars is 20 cm.
Example 3
The buffer mixture 3 comprises 30% of medium sand, 25% of stones and 45% of melon seed slices, and is paved after being mixed by mixing equipment during tiling; the materials are simple and easy to obtain, have good deformation capacity after being stressed, and are easy to cooperate with wheels to realize speed reduction.
Example 4
The rod piece 402 is a hollow steel pipe with the diameter of 8cm, is made of Q235 common carbon structural steel, and has the wall thickness of 2 cm.
Example 5
Referring to fig. 4 and 5, a plurality of tire wall breaking rods 6 are arranged at the bottom of the foundation pit 102 and near the buffer posts 4 in an array manner, the upper ends of the tire wall breaking rods 6 are machined into a quadrangular pyramid shape, the lower ends of the tire wall breaking rods 6 are poured into the concrete layer 1, the upper ends of the tire wall breaking rods are covered by the buffer mixture 3, the tire wall breaking rods 6 are submerged in the buffer mixture 3 in a normal state, when a vehicle drives in and the driving speed is too high, sinking deformation of the buffer mixture 3 can be caused, the tire wall breaking rods 6 are in contact with the wheel, wall breaking of the wheel is realized, the broken tire generates large rolling resistance, the vehicle is assisted to decelerate, and impact force on the buffer posts is buffered.
Example 6
As shown in fig. 6, a space is formed inside the cushion post 4 by the waste tire, and the space is filled with coarse sand 444, so that after the coarse sand is filled, the deformation resistance of the waste tire can be increased, the collision resistance of the product can be increased, and the collapse probability after being stressed can be reduced;
example 7
As shown in fig. 7, a space is formed inside the buffer column 4 by the waste tires, soil 445 is filled in the space, and seedlings are planted and matched with the seedlings, so that the marking of a finish line can be realized, a driver is reminded to prepare for collision, and meanwhile, the seedlings can also have an anti-collision effect;
example 8
The nursery stock is Chinese yew.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A passive safety device of town road, its characterized in that: the concrete layer is poured on the ground, a reinforcement cage is poured inside the concrete layer, multiple layers are arranged in parallel from top to bottom of the reinforcement cage, a slope surface with the gradient of 3-6 degrees is formed after the concrete layer is poured, a vehicle runs from the lower end of the slope surface to the high position when the vehicle is buffered, the transverse length of the poured concrete layer is 200-300 meters, a concave foundation pit is formed after the concrete layer is poured on the slope surface, the depth of the foundation pit is 10-20 cm, a buffer mixture is paved in the foundation pit in a parallel manner, a plurality of buffer columns are arranged at the position, close to the left side, of the foundation pit in parallel, each buffer column comprises a plurality of waste tires which are stacked up and down, rod pieces penetrate among the plurality of waste tires, the lower ends of the rod pieces penetrate through the plurality of waste tires and then are inserted into the concrete layer downwards, the upper ends of the rod pieces are supported at the top of the concrete layer after being bent towards the left side in an inclined manner, a plurality of first waste tires for lateral protection are poured on the top of the concrete layer along the foundation pit, the diameter of each first waste tire is larger than 60cm, and the tire width is larger than 22.5 cm; the bottom of the foundation pit and the position close to the buffer column are provided with a plurality of tire wall breaking rods in an array mode, the upper ends of the tire wall breaking rods are processed into quadrangular pyramids, the lower ends of the tire wall breaking rods are poured in a concrete layer, the upper ends of the tire wall breaking rods are covered by the buffer mixture, the tire wall breaking rods are immersed in the buffer mixture in a normal state, when a vehicle drives in and the driving speed is too high, the buffer mixture can sink and deform, the tire wall breaking rods are in contact with the wheel, the wall breaking of the wheel is achieved, the broken tire generates large rolling resistance, the vehicle is helped to decelerate, and the impact force on the buffer column is buffered.
2. The passive town road safety device of claim 1, wherein: every layer of steel reinforcement cage all includes that many are the twisted steel that violently indulges crisscross setting, and twisted steel's diameter is 8mm ~12mm, and it is fixed to prick the silk at twisted steel staggered position department through the steel, and the interval of horizontal adjacent twisted steel is 20~30cm, and the interval of vertical adjacent twisted steel is 15~30 cm.
3. The passive town road safety device of claim 1, wherein: the buffer mixture comprises 20-30% of medium sand, 20-25% of stones and the balance of melon seed slices, and is laid after being mixed by mixing equipment when being tiled.
4. The passive town road safety device of claim 1, wherein: the rod piece is made of a hollow steel pipe with the diameter of 6 cm-8 cm, is made of Q235 common carbon structural steel, and has the wall thickness of 1 cm-2 cm.
5. The passive town road safety device of claim 1, wherein: and a space is formed by the waste tires on the inner side of the buffer column, and coarse sand is filled in the space.
6. The passive town road safety device of claim 1, wherein: and forming a space through waste tires on the inner side of the buffer column, filling soil in the space, and planting nursery stocks.
7. The passive town road safety device of claim 6, wherein: the nursery stock is one of Chinese fir and Chinese fiddle poplar.
8. A method of installing a passive town road safety device according to any one of claims 1 to 7, wherein: the method comprises the following steps: firstly, selecting the terminal point of a long downhill section of an expressway as the installation position of the structure; leveling the pre-installed position on the ground, forming a V-shaped structure relative to a downhill road section after leveling, and when the vehicle stops and fails on the downhill road section, realizing deceleration through the uphill of the leveling road section; laying steel reinforcement cages on the leveled road section, namely pouring a layer of concrete when each layer of steel reinforcement cage is laid until the concrete layer is poured, building a wooden template for forming the foundation pit above the steel reinforcement cages when the concrete is poured, forming the foundation pit after the concrete is poured and dried, and then removing the template; vertically stacking a plurality of waste tires, then inserting a rod piece, inserting the rod piece downwards, arranging a hole for inserting the rod piece in a foundation pit, and bending the upper end of the rod piece through bending equipment before leaving a factory so that the upper end of the rod piece is in contact with the upper surface of a concrete layer after the lower end of the rod piece is inserted into the concrete layer to form an inclined strut, wherein at least 1 waste tire is required to be reserved in the foundation pit; and filling the buffer mixture into the foundation pit, compacting by using a road roller, and covering the waste tires in the foundation pit with the buffer mixed soil.
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| CN201910336114.6A CN110055850B (en) | 2019-04-24 | 2019-04-24 | Municipal road passive safety device and mounting method thereof |
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| CN201910336114.6A CN110055850B (en) | 2019-04-24 | 2019-04-24 | Municipal road passive safety device and mounting method thereof |
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| CN110055850A CN110055850A (en) | 2019-07-26 |
| CN110055850B true CN110055850B (en) | 2020-05-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110552270A (en) * | 2019-09-05 | 2019-12-10 | 杨鸿苍 | speed-reducing road capable of reducing speed of vehicle |
| CN112227264B (en) * | 2020-10-22 | 2022-04-29 | 永康市陌桐电子科技有限公司 | Road central authorities separate buffer for road administration engineering |
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| KR200317158Y1 (en) * | 2003-03-25 | 2003-06-25 | 주식회사 남원건설엔지니어링 | Emergency braking facility using waste tire |
| CN100379927C (en) * | 2004-05-26 | 2008-04-09 | 李幸洪 | Method for building road isolation green belt guard-rail using waste tyres |
| CN202730573U (en) * | 2012-07-27 | 2013-02-13 | 长安大学 | Emergency lane |
| CN108411724B (en) * | 2018-03-27 | 2021-12-03 | 邳州市景鹏创业投资有限公司 | Buffer channel for municipal administration |
| CN108755313B (en) * | 2018-08-23 | 2023-05-26 | 新疆工程学院 | Novel buffer type danger-avoiding lane |
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Effective date of registration: 20200401 Address after: Room 1001, 555 Guanhen Road, Sanjiang Street, Shengzhou City, Shaoxing City, Zhejiang Province Applicant after: Shengzhou Wanrui Technology Co.,Ltd. Address before: 518000 Longhua District, Shenzhen City, Guangdong Province Applicant before: Peng Yanping |
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Application publication date: 20190726 Assignee: SHENGZHOU WANZHI NETWORK TECHNOLOGY CO.,LTD. Assignor: Shengzhou Wanrui Technology Co.,Ltd. Contract record no.: X2023980050141 Denomination of invention: A passive safety device for municipal roads and its installation method Granted publication date: 20200501 License type: Common License Record date: 20231205 |
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Denomination of invention: A passive safety device for municipal roads and its installation method Effective date of registration: 20231207 Granted publication date: 20200501 Pledgee: Hua Xia Bank Co.,Ltd. Shaoxing Shengzhou Sub branch Pledgor: Shengzhou Wanrui Technology Co.,Ltd. Registration number: Y2023980069577 |