CN107938458B - Road construction method - Google Patents
Road construction method Download PDFInfo
- Publication number
- CN107938458B CN107938458B CN201711300826.XA CN201711300826A CN107938458B CN 107938458 B CN107938458 B CN 107938458B CN 201711300826 A CN201711300826 A CN 201711300826A CN 107938458 B CN107938458 B CN 107938458B
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- Prior art keywords
- road
- cushion
- soil foundation
- rows
- baffles
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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
- E01C7/00—Coherent pavings made in situ
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a road construction method, which belongs to the field of road engineering and comprises the following steps: cleaning the road surface: forming a flat soil foundation of the road; arranging an isolation belt on the soil foundation, wherein the isolation belt comprises two rows of longitudinally extending baffles which are arranged in parallel; pouring a cushion layer; paving a surface layer: paving asphalt on the upper part of the cushion layer and the outer sides of the two rows of baffles to form a surface layer, so that the tops of the baffles are positioned above the surface layer; compacting: the facing is compacted by a roller compaction apparatus. The road structure that the construction obtained is more reasonable, has the existence of median after the construction is accomplished, not only can make the safer travel of vehicle, and more pleasing to the eye, environmental protection. Meanwhile, the road structure and the isolation belt are synchronously constructed, so that subsequent operations such as road excavation and road blocking are reduced, construction procedures are reduced, the excavation frequency is reduced, the road is smoother in the use stage, the service life of the road is longer, and the maintenance cost is lower.
Description
Technical Field
The invention relates to the field of road engineering, in particular to a road construction method.
Background
At present, road construction is still very important municipal engineering. The road structure is mainly used for vehicle running, and the requirements of beauty, environmental protection and the like can be met when the vehicle runs.
The existing road structure is simple, a lot of places which cannot be considered are often arranged at the beginning of design, continuous excavation and road blockage are caused in the later use process, not only is pressure caused on road traffic, but also the quality of the road is rapidly reduced, the service life of the road is shortened, and the road is maintained more frequently and is not paid.
Disclosure of Invention
The invention provides a road construction method, aiming at solving the problems in the prior art.
The invention is realized by the following steps:
a method of road construction comprising:
cleaning the road surface: cleaning stones and bumps on the road surface, and filling pits to form a smooth soil foundation of the road; arranging an isolation belt on the soil foundation, wherein the isolation belt comprises two rows of baffle plates extending longitudinally, the two rows of baffle plates are arranged in parallel, and a planting area is formed between the two rows of baffle plates;
pouring a cushion layer: concrete is poured on the upper side of the soil foundation and the outer sides of the two rows of baffles to form a cushion layer;
paving a surface layer: paving asphalt on the upper part of the cushion layer and the outer sides of the two rows of baffles to form a surface layer, so that the tops of the baffles are positioned above the surface layer;
compacting: the facing is compacted by a roller compaction apparatus.
Preferably, after the baffles are arranged and before the cushion layer is poured, a plurality of support rods are transversely arranged between the two rows of baffles, and two ends of each support rod are attached to the two rows of baffles; and removing the support rods after pouring the cushion layer, filling soil into the planting area between the two baffle plates, and then paving the surface layer.
Further preferably, after the soil foundation is formed, two rows of cushion frames are arranged in the middle of the soil foundation, and each row of cushion frames comprises a plurality of cushion frames which are arranged along the longitudinal direction and are arranged at intervals; before the cushion frame is arranged, a plurality of grooves are excavated in the soil foundation, so that one groove can accommodate one cushion frame, then the cushion frame is placed in the groove, and soil is filled to enable the top of the cushion frame to be flush with the top of the soil foundation;
the cushion frame comprises a shell and a frame, the shell comprises a top plate and three side plates, the bottom of the shell is of an open structure, and one side of the shell facing the planting area is of the open structure; the frame is arranged in the shell and is formed by connecting a plurality of transverse strips, a plurality of longitudinal strips and a plurality of upright posts;
and installing a baffle plate after the cushion frame is arranged, so that the bottom of the baffle plate is connected to the soil foundation or the top plate of the shell.
More preferably, the case is made of metal, and the baffle is made of wood.
Preferably, after the cushion frame is arranged and before the baffle plate is installed, a fixing piece is arranged on the soil foundation, so that the bottom of the baffle plate is connected to the soil foundation through the fixing piece;
the fixing piece comprises a fixing rod and a connecting piece, the fixing rod is cylindrical, connecting grooves with through groove structures are formed in two ends of the fixing rod, connecting ends are formed in two sides of each connecting groove, and coaxial pin holes are formed in the two connecting ends on two sides of one connecting groove; the connecting sheet is in a strip shape, one end of the connecting sheet is provided with a round hole-shaped fixing hole, the other end of the connecting sheet is provided with a strip-shaped hole, and the length direction of the strip-shaped hole is consistent with that of the connecting sheet; one end of the connecting piece is inserted into the connecting groove, so that the pin hole is aligned with the strip-shaped hole, the fixing rod and the connecting piece are connected through the pin shaft, and the pin shaft penetrates through the pin hole and the strip-shaped hole, so that the connecting piece can move relative to the fixing rod;
the two rows of cushion frames are arranged in a staggered mode, and the fixing pieces are obliquely arranged on the soil foundation, so that the end parts of the connecting pieces are arranged on the soil foundation between two longitudinally adjacent cushion frames; the bottom of the baffle is connected to the soil foundation through a bolt, and the bolt penetrates through a fixing hole formed in the end part of the connecting sheet.
Further preferably, the distance between two adjacent cushion frames in the longitudinal direction is greater than the length of one cushion frame.
More preferably, after the cushion layer is laid, soil is filled into the planting area between the two retaining plates, and then the surface layer is laid.
According to the road construction method provided by the invention, the road structure obtained by construction is more reasonable, and the isolation belt exists after the construction is finished, so that the vehicle can run more safely, and the method is more attractive and environment-friendly. Meanwhile, the road structure and the isolation belt are synchronously constructed, so that subsequent operations such as road excavation and road blocking are reduced, construction procedures are reduced, the excavation frequency is reduced, the road is smoother in the use stage, the service life of the road is longer, and the maintenance cost is lower.
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 schematic construction flow chart of a road construction method according to an embodiment of the present invention;
FIG. 2 is a longitudinal sectional view of a road obtained by the method of constructing a road according to the embodiment of the present invention;
FIG. 3 is a schematic top view of a soil foundation during construction according to the method of road construction of the present invention, wherein no baffle is provided;
FIG. 4 is a schematic top view of a soil foundation during construction according to the method of road construction of the present invention, wherein a baffle is provided;
FIG. 5 is a schematic structural diagram of a cushion frame used in the road construction method according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a housing used in a road construction method according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a fixing member used in a road construction method according to an embodiment of the present invention;
fig. 8 is a schematic structural view of an end portion of a fixing member used in a road construction method according to an embodiment of the present invention.
Summary of reference numerals: the method comprises the following steps of cleaning a pavement 11, pouring a cushion layer 12, paving a surface layer 13, compacting 14, a soil foundation 15, a cushion layer 16, a surface layer 17, an isolation strip 18, a baffle plate 19, a planting area 20, a cushion frame 21, a groove 22, a shell 23, a frame 24, a top plate 25, a side plate 26, a fixing piece 27, a fixing rod 28, a connecting piece 29, a connecting groove 30, a connecting end 31, a pin hole 32, a fixing hole 33, a strip-shaped hole 34 and a pin shaft 35.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For example, please refer to FIGS. 1-8.
The embodiment provides a road construction method, the road structure obtained by construction is more reasonable, and the isolation belt 18 exists after the construction is finished, so that the vehicle can run more safely, and the method is more attractive and environment-friendly. Meanwhile, the road structure and the isolation belt 18 are constructed synchronously, so that subsequent operations of road excavation, road blocking and the like are reduced, construction procedures are reduced, excavation times are reduced, the road is smoother in the use stage, the service life of the road is longer, and the maintenance cost is lower.
As shown in fig. 1, the road construction method includes:
cleaning the road surface 11: cleaning stones and bumps on the road surface, and filling pits to form a smooth soil foundation 16 of the road; arranging an isolation strip 18 on the soil foundation 16, wherein the isolation strip 18 comprises two rows of baffle plates 19 extending longitudinally, the two rows of baffle plates 19 are arranged in parallel, and a planting area 20 is formed between the two rows of baffle plates 19;
pouring a cushion layer 12: concrete is poured on the upper side of the soil foundation 16 and outside the two rows of baffles 19 to form a cushion layer 16;
paving a surface layer 13: paving asphalt on the outer sides of the two rows of baffles 19 above the cushion 16 to form a surface layer 17, so that the tops of the baffles 19 are positioned above the surface layer 17;
and (3) compacting 15: face layer 17 is compacted 15 by a roller compaction apparatus.
When the pavement 11 is cleaned, stones, weeds, plants and the like on the original pavement are removed, the higher parts are shoveled to be smooth, the sunken parts are filled to be smooth, the soft parts are excavated and filled with soil with higher density to be firm, and a smooth and firm soil foundation 16 is formed, so that the subsequent construction is facilitated.
As shown in fig. 2-4, in the road construction provided by the present embodiment, an isolation strip 18 is arranged after the ground 11 is cleaned to form a soil foundation 16. The two baffle plates 19 extend longitudinally and are consistent with the extending direction of the road, and a planting area 20 is formed in the middle of the baffle plates 19, so that plants can be planted after the road is built.
And then pouring a cushion layer 12, paving a surface layer 13, and compacting 15 to form a road main body structure. The two sides of the road can be also provided with guardrails and a surface layer 17 for drawing lines to standardize the vehicle running.
The road formed in this way has shorter period consumed by the construction of the whole road and the arrangement of the isolation belt 18, and saves the construction cost. The isolation belt 18 is more stable with the cushion layer 16 and the surface layer 17, quality problems are not easy to generate, and maintenance cost is reduced. The planting area 20 is directly connected with the soil foundation 16, water can directly permeate into the soil foundation 16 when water is accumulated in the planting area 20, and water can be taken into the soil foundation 16 when the planting area 20 is lack of water. The plants planted in the planting area 20 can grow better, the maintenance period of the plants is shorter, and therefore watering is not needed to be carried out by frequently adopting a watering cart in the road use stage, the maintenance cost is reduced, road occupation construction is not easy, and traffic is smoother.
After the baffles 19 are arranged and before the cushion layer 12 is poured, a plurality of support rods are transversely arranged between the two rows of baffles 19, and two ends of each support rod are attached to the two rows of baffles 19; after the cushion layer 12 is poured, the struts are removed, soil is filled into the planting area 20 between the two baffle plates 19, and then the surface layer 17 is laid. The stay bar is arranged between the two baffles 19 to play a supporting role, so that the baffles 19 cannot be overturned by poured concrete, and the pouring of the cushion layer 16 can be smoother. The support rods are removed and then filled with soil, so that the soil can support the baffle 19 from the inner side of the baffle 19, and the baffle 19 can keep a vertical state in the process of paving the surface layer 13 and compacting 15.
After the soil foundation 16 is formed, two rows of cushion frames 21 are arranged in the middle of the soil foundation 16, wherein each row of cushion frames 21 comprises a plurality of cushion frames 21 which are arranged along the longitudinal direction and are arranged at intervals; before the cushion frame 21 is arranged, a plurality of grooves 22 are dug on the soil foundation 16, so that one groove 22 can accommodate one cushion frame 21, then the cushion frame 21 is placed in the groove 22, and soil is filled to enable the top of the cushion frame 21 to be flush with the top of the soil foundation 16;
the cushion frame 21 is disposed in the soil bed 16, and the bottom of the apron 19 is attached to the cushion frame 21. Because the cushion frame 21 is arranged in the soil foundation 16, the connection is very stable, the baffle 19 is connected to the cushion frame 21, the connection of the baffle 19 is more stable, and the baffle 19 can be kept upright more stably in the construction process of the cushion layer 16 and the surface layer 17.
At the same time, the arrangement of the cushion frame 21 enables better growth of the plant in the planting area 20.
As shown in fig. 5 and 6, the cushion frame 21 includes a housing 23 and a frame 24, the housing 23 includes a top plate 25 and three side plates 26, the bottom of the housing 23 is an open structure, and one side of the housing 23 facing the planting area 20 is an open structure; the frame 24 is arranged inside the shell 23, and the frame 24 is formed by connecting a plurality of transverse strips, a plurality of longitudinal strips and a plurality of upright posts;
after the mat frame 21 is installed, the baffle plate 19 is installed so that the bottom of the baffle plate 19 is attached to the soil bed 16 or the top plate 25 of the casing 23.
The housing 23 is substantially cubic and open at the bottom and on the side facing the planting area 20, so that the plants in the planting area 20 can extend roots into the frame 24 and extend downwards from the frame 24 into the soil of the soil base 16, and the plants can grow better. Casing 23 is provided with roof 25 and curb plate 26, and the setting up of roof 25 makes baffle 19 connect more easily, and the setting up of curb plate 26 plays the effect of keeping out from the lateral part, makes concreting and pitch can not follow the soil in this position infiltration bed frame 21, makes the root of plant can better extend, promotes plant living space. The frame 24 structure has a large internal space that can facilitate the growth of the plant roots after filling with soil.
The housing 23 is made of metal and the baffle 19 is made of wood.
After the cushion frame 21 is arranged and before the baffle plate 19 is installed, a fixing piece 27 is arranged on the soil foundation 16, so that the bottom of the baffle plate 19 is connected to the soil foundation 16 through the fixing piece 27;
as shown in fig. 7 and 8, the fixing member 27 includes a fixing rod 28 and a connecting piece 29, the fixing rod 28 is cylindrical, two ends of the fixing rod 28 are respectively provided with a connecting groove 30 having a through groove structure, two sides of the connecting groove 30 form connecting ends 31, and two connecting ends 31 on two sides of one connecting groove 30 are provided with coaxial pin holes 32; the connecting sheet 29 is in a strip shape, one end of the connecting sheet 29 is provided with a round hole-shaped fixing hole 33, the other end of the connecting sheet 29 is provided with a strip-shaped hole 34, and the length direction of the strip-shaped hole 34 is consistent with that of the connecting sheet 29; one end of the connecting piece 29 is inserted into the connecting groove 30, so that the pin hole 32 is aligned with the strip-shaped hole 34, the fixing rod 28 and the connecting piece 29 are connected through the pin shaft 35, and the pin shaft 35 penetrates through the pin hole 32 and the strip-shaped hole 34, so that the connecting piece 29 can move relative to the fixing rod 28;
the two rows of cushion frames 21 are arranged in a staggered mode, and the fixing pieces 27 are obliquely arranged on the soil foundation 16, so that the end portions of the connecting pieces 29 are placed on the soil foundation 16 between two longitudinally adjacent cushion frames 21; the bottom of the baffle plate 19 is connected to the soil foundation 16 by bolts, and the bolts pass through fixing holes 33 provided at the ends of the connecting pieces 29.
The fixing part 27 is arranged, so that the baffle 19 can be connected more stably, the cost can be well controlled, the width of the isolation belt 18 can be conveniently controlled, the narrow pavement isolation belt 18 is narrow, and the wide pavement isolation belt 18 can be arranged in a wide range.
The connection grooves 30 formed at both ends of the cylindrical fixing bar 28 can be connected to the connection pieces 29. The coupling groove 30 has a through groove structure and has a length such that the coupling piece 29 can move toward the inside of the coupling groove 30 after being inserted into the coupling groove 30. The connecting end 31 is provided with a pin hole 32, and the two pin holes 32 are coaxial so that a pin shaft 35 can be inserted. The strip-shaped connecting piece 29 is provided with a strip-shaped hole 34, and the pin shaft 35 passes through the strip-shaped hole 34 to enable the connecting piece 29 to move along the outline of the strip-shaped hole 34. The total length of the fixing piece 27 can be adjusted through the position of the movable connecting piece 29, the width of the isolation belt 18 can be controlled after the position of the connecting piece 29 is adjusted, the isolation belt 18 is diversified, and the bottom of the baffle 19 can be connected to the soil foundation 16 through the fixing piece 27.
The end of the connecting piece 29 is provided with a fixing hole 33 to fix the baffle plate 19 on the soil foundation 16, and bolts are used for penetrating the bottom of the baffle plate 19 and the fixing hole 33 and connecting the baffle plate to the soil foundation 16 to complete the connection. The longitudinal section of the baffle plate 19 is L-shaped, so that the baffle plate is convenient to fix.
Through the setting of pad frame 21 and mounting 27 for the bottom of baffle 19 is connected on pad frame 21 or connects on soil matrix 16 through mounting 27, makes the baffle 19 connect more firmly.
Meanwhile, in the using process of the road, once a car accident occurs on the road, the car impacts the baffle 19 of the isolation belt 18, the baffle 19 can bear stronger impact due to the limiting effect of the fixing piece 27 and the cushion frame 21 after being impacted, and can be more easily kept at the original position after being impacted, so that the car is less damaged, the baffle 19 is not easy to fly to the middle position of the road, the pressure on the traffic is less after the car accident occurs, and the cleaning work at the later stage is easier to be unfolded.
The distance between two longitudinally adjacent cushion frames 21 is greater than the length of one cushion frame 21. The number of the cushion frames 21 is small, and the cost is low.
After the mat 16 is laid, the planting area 20 between the two dams 19 is filled with soil, and then the surface layer 17 is laid. The soil is filled to support the baffle plate 19 from the inner side of the baffle plate 19, and the baffle plate 19 can be kept in a vertical state in the process of paving the surface layer 13 and compacting 15.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. A road construction method is characterized by comprising the following steps:
cleaning the road surface: cleaning stones and bumps on the road surface, and filling pits to form a smooth soil foundation of the road; two rows of cushion frames are arranged in the middle of the soil foundation, and each row of cushion frames comprises a plurality of cushion frames which are arranged along the longitudinal direction and are arranged at intervals; before the cushion frame is arranged, a plurality of grooves are excavated in the soil foundation, so that one groove can accommodate one cushion frame, then the cushion frame is placed in the groove, and soil is filled to enable the top of the cushion frame to be flush with the top of the soil foundation; the soil foundation is provided with a fixing piece, the soil foundation is provided with an isolation belt, the isolation belt comprises two rows of longitudinally extending baffles, and the bottoms of the baffles are connected to the soil foundation through the fixing piece; the two rows of baffle plates are arranged in parallel, and a planting area is formed between the two rows of baffle plates;
the cushion frame comprises a shell and a frame, the shell comprises a top plate and three side plates, the bottom of the shell is of an open structure, and one side of the shell facing the planting area is of the open structure; the frame is arranged in the shell and is formed by connecting a plurality of transverse strips, a plurality of longitudinal strips and a plurality of upright posts; after the cushion frame is arranged, a baffle is arranged, so that the bottom of the baffle is connected to the soil foundation or a top plate of the shell, wherein the shell is made of metal, and the baffle is made of wood;
the fixing piece comprises a fixing rod and a connecting piece, the fixing rod is cylindrical, connecting grooves with through groove structures are formed in two ends of the fixing rod, connecting ends are formed in two sides of each connecting groove, and coaxial pin holes are formed in the two connecting ends on two sides of one connecting groove; the connecting sheet is in a strip shape, one end of the connecting sheet is provided with a round hole-shaped fixing hole, the other end of the connecting sheet is provided with a strip-shaped hole, and the length direction of the strip-shaped hole is consistent with that of the connecting sheet; one end of the connecting piece is inserted into the connecting groove, so that the pin hole is aligned with the strip-shaped hole, the fixing rod and the connecting piece are connected through the pin shaft, and the pin shaft penetrates through the pin hole and the strip-shaped hole, so that the connecting piece can move relative to the fixing rod;
the two rows of cushion frames are arranged in a staggered mode, and the fixing pieces are obliquely arranged on the soil foundation, so that the end parts of the connecting pieces are arranged on the soil foundation between two longitudinally adjacent cushion frames; the bottom of the baffle is connected to the soil foundation through a bolt, and the bolt penetrates through a fixing hole formed in the end part of the connecting sheet;
pouring a cushion layer: concrete is poured on the upper side of the soil foundation and the outer sides of the two rows of baffles to form a cushion layer;
paving a surface layer: paving asphalt on the upper part of the cushion layer and the outer sides of the two rows of baffles to form a surface layer, so that the tops of the baffles are positioned above the surface layer;
compacting: the facing is compacted by a roller compaction apparatus.
2. The road construction method according to claim 1, wherein after the baffles are arranged and before the cushion layer is poured, a plurality of support rods are transversely arranged between the two rows of baffles, and two ends of each support rod are attached to the two rows of baffles; and removing the support rods after pouring the cushion layer, filling soil into the planting area between the two baffle plates, and then paving the surface layer.
3. The method of claim 1, wherein a distance between two longitudinally adjacent cushion frames is greater than a length of one cushion frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300826.XA CN107938458B (en) | 2017-12-10 | 2017-12-10 | Road construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300826.XA CN107938458B (en) | 2017-12-10 | 2017-12-10 | Road construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107938458A CN107938458A (en) | 2018-04-20 |
| CN107938458B true CN107938458B (en) | 2020-04-28 |
Family
ID=61945369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711300826.XA Expired - Fee Related CN107938458B (en) | 2017-12-10 | 2017-12-10 | Road construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107938458B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000039404A1 (en) * | 1998-12-29 | 2000-07-06 | Autostrade Concessioni E Costruzioni Autostrade S.P.A. | Safety barrier made of steel and/or plastics and earth |
| KR20020084838A (en) * | 2002-07-25 | 2002-11-11 | 박성우 | Fence for seedbed |
| CN101082199A (en) * | 2007-07-05 | 2007-12-05 | 吴永芳 | Road surface structure and construction method therefor |
| KR20110017321A (en) * | 2009-08-13 | 2011-02-21 | 박희열 | The management of the plant is easy center isolation |
| CN203346829U (en) * | 2013-05-29 | 2013-12-18 | 重庆中设工程设计股份有限公司 | Medial strip |
-
2017
- 2017-12-10 CN CN201711300826.XA patent/CN107938458B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000039404A1 (en) * | 1998-12-29 | 2000-07-06 | Autostrade Concessioni E Costruzioni Autostrade S.P.A. | Safety barrier made of steel and/or plastics and earth |
| KR20020084838A (en) * | 2002-07-25 | 2002-11-11 | 박성우 | Fence for seedbed |
| CN101082199A (en) * | 2007-07-05 | 2007-12-05 | 吴永芳 | Road surface structure and construction method therefor |
| KR20110017321A (en) * | 2009-08-13 | 2011-02-21 | 박희열 | The management of the plant is easy center isolation |
| CN203346829U (en) * | 2013-05-29 | 2013-12-18 | 重庆中设工程设计股份有限公司 | Medial strip |
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| CN107938458A (en) | 2018-04-20 |
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Effective date of registration: 20200401 Address after: 750001 no.775, Shanghai East Road, Xingqing District, Yinchuan City, Ningxia Hui Autonomous Region Applicant after: NINGXIA COMMUNICATIONS CONSTRUCTION Co.,Ltd. Address before: 610041 No. 39 Jinfeng Street, Wuhou District, Chengdu City, Sichuan Province, with No. 11 Applicant before: CHENGDU LIYING TECHNOLOGY Co.,Ltd. |
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