CN114232404B - Construction method for pressing slurry and reinforcing urban road surface - Google Patents
Construction method for pressing slurry and reinforcing urban road surface Download PDFInfo
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- CN114232404B CN114232404B CN202111557302.5A CN202111557302A CN114232404B CN 114232404 B CN114232404 B CN 114232404B CN 202111557302 A CN202111557302 A CN 202111557302A CN 114232404 B CN114232404 B CN 114232404B
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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
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/147—Repairing concrete pavings, e.g. joining cracked road sections by dowels, applying a new concrete covering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The application relates to an urban road pavement mud jacking and reinforcing construction method, which relates to the field of road engineering and aims to solve the problem that a repaired concrete road pavement is easy to be secondarily damaged, and comprises the following steps: the method comprises the following steps: breaking the damaged panel, wherein the area of the broken panel is larger than that of the damaged panel to form a repairing groove; step two: laying an installation frame in the repairing groove, detecting the horizontal degree of the installation frame through a horizontal detector, adjusting the installation frame to enable the installation frame to be laid horizontally, fixing the installation frame, and enabling the upper surface of the installation frame and the upper surface of the base layer to be the same plane; step three: the horizontal detector is disassembled, the base layer is paved, the gravel or gravel is paved on the mounting frame, the gravel or gravel flows into the base layer, and the surface of the paved gravel or gravel is in the same plane with the upper surface of the mounting frame. This application has through setting up mounting bracket and support frame, makes to restore impaired concrete road after, improves the effect of the loading capacity on road surface.
Description
Technical Field
The application relates to the field of road engineering, in particular to a construction method for grouting and reinforcing urban road surfaces.
Background
In recent years, urban road construction in China is rapidly advanced, and the traffic mileage is greatly increased year by year. The pavement structure layer refers to each paving layer forming the pavement, and mainly comprises a surface layer, a base layer and a cushion layer according to the position and the action of the pavement structure layer, wherein the urban road is uneven due to the non-uniformity of roadbed filling materials, so that the finished pavement is not even in settlement, rainwater is easy to intrude into the roadbed, under the action of vehicle load, sludge is formed, roadbed materials under the plate bottom are continuously reduced, the panel is subjected to the action of vertical load, the roadbed at the plate bottom is continuously supplemented and compacted, and finally disease panels such as concrete pavement slab void or fracture are formed. These diseases seriously affect the safety, comfort and rapidity of urban vehicle traffic.
For concrete road surface slab void or fracture, the traditional repairing method is to pour mortar or concrete at the damaged surface slab to fill up the damaged road surface. But the bearing capacity of the roadbed is smaller due to the reduction of the roadbed material at the bottom of the damaged panel, and the roadbed can be damaged quickly due to the action of vehicle load after the road is repaired.
Disclosure of Invention
In order to effectively repair the damaged concrete road surface, the application provides a construction method for grouting and reinforcing the urban road surface.
The application provides an urban road pavement mud jacking and reinforcing construction method which adopts the following technical scheme:
a construction method for grouting and reinforcing urban road surfaces comprises the following steps:
the method comprises the following steps: the damaged panel is broken, and the area of the broken panel is larger than that of the damaged panel, so that a repairing groove is formed on the surface of the road;
step two: laying an installation frame in the repairing groove, detecting the horizontal degree of the installation frame through a horizontal detector, adjusting the installation frame to enable the installation frame to be laid horizontally, fixing the installation frame, and enabling the upper surface of the installation frame and the upper surface of the base layer to be the same plane;
step three: disassembling the horizontal detector, laying a base layer, laying broken stones or gravels on the mounting rack, enabling the broken stones or gravels to flow into the base layer, and enabling the surface of the laid broken stones or gravels to be on the same plane with the upper surface of the mounting rack;
step four: fixedly mounting a support frame on the mounting frame, so that the upper surface of the support frame is not higher than the upper surface of the surface layer;
step five: pouring mortar, concrete or asphalt, compacting the poured pavement through a road roller, continuously supplementing mortar and flattening the compacted pavement to enable the flattened pavement and the surface layer to be on the same plane;
step six: and (5) maintaining.
Optionally, the depth of the damaged panel in the first step is at least the distance from the upper surface of the surface layer to the lower surface of the base layer.
Through adopting above-mentioned technical scheme, when abolishing the disease panel, the degree of depth that makes the abolish is the distance of the upper surface of surface course to basic unit lower surface at least to can lay the restoration again to the basic unit, avoid basic unit's transfer to reduce, cause the influence to the surface course of laying again.
Optionally, the mounting rack in the second step is a splicing type mounting rack, the mounting rack comprises a plurality of groups of mounting assemblies and supporting assemblies, the mounting assemblies are attached to the inner wall of the repairing groove, the mounting assemblies are connected end to form a space for laying a base layer, and the supporting assemblies are arranged among the groups of mounting assemblies in parallel.
Through adopting above-mentioned technical scheme, the mounting bracket sets up in the basic unit to can improve the stability of laying of basic unit, and the mounting bracket comprises installation component and supporting component cooperation, can constitute the installation temporarily when the construction, portable, simple to operate effectively improves the efficiency when basic unit lays.
Optionally, the installation component includes a threaded cylinder, a threaded rod and two sets of connecting rods, the threaded cylinder is provided with a threaded through hole arranged along the axis direction, the threaded rod is in threaded adaptation with the threaded through hole, and is two sets of the connecting rods are all arranged on the outer wall of the threaded cylinder, a connecting cylinder is arranged between two adjacent connecting rods, the connecting cylinder is provided with a through hole arranged along the axis direction, and the connecting rod is in splicing adaptation with the through hole.
Through adopting above-mentioned technical scheme, the connecting rod that the connecting cylinder can make on the multiunit screw thread section of thick bamboo connects into a whole, and the installation is simple and convenient, and through rotating the threaded rod after, the threaded rod can be followed the bottom extension of screw thread section of thick bamboo or shorten to adjust the height at screw thread section of thick bamboo top, make the whole that connects into keep the level, thereby improve the effect of laying of basic unit.
Optionally, the supporting component comprises a guide rod and two sets of sliding rods which are respectively arranged at two ends of the guide rod, the guide rod and the two sets of sliding rods are coaxially arranged, the two sets of sliding rods are slidably connected with the guide rod, and the sliding rods are detachably connected with the threaded cylinders.
Through adopting above-mentioned technical scheme, slide between guide bar and the slide bar and can lengthen to be convenient for fix the both ends of slide bar, guide bar and slide bar installation back can play certain limiting displacement to the rubble or the gravel of laying, avoid the vehicle to receive vertical load's effect when going on the road, lead to the roadbed material under the board constantly to shift and reduce, influence the stability in use of basic unit.
Optionally, the peripheral wall of the tip of slide bar is provided with the screw thread, set up the thread groove with slide bar screw thread adaptation on the screw thread section of thick bamboo.
Through adopting above-mentioned technical scheme, rotate the slide bar, make the screw thread of slide bar tip and the thread groove threaded connection on the screw thread section of thick bamboo to can realize the fixed to the slide bar both ends, and fixed more stable, the installation is simple, can improve the efficiency of construction.
Optionally, the support frame in step four includes that multiunit plate body and activity set up the plug connector on the slide bar, set up the spout that sets up along length direction on the slide bar, spout and plug connector slip adaptation, set up the jack with plug connector grafting adaptation on the plate body.
Through adopting above-mentioned technical scheme, the inside slip of spout of plug connector on the slide bar, during the installation plate body, inside making its jack that inserts on the plate body through the slip plug connector, improve the installation effectiveness of plate body, and make the plate body lay steadily, the bearing strength of surface course can be improved in the installation of plate body, makes the road result of use after restoreing better.
Optionally, the plug connector is specifically a threaded plug rod, and a plurality of groups of nuts used for movably abutting against the upper surface or the lower surface of the plate body are arranged on the threaded plug rod.
Through adopting above-mentioned technical scheme, the jack on the plate body can be passed to the screw thread inserted link, rotates the nut on the screw thread inserted link, thereby makes the nut can be to plate body fixed mounting with the surperficial butt of plate body, and can be through setting up two sets of nuts on the screw thread inserted link, respectively with the upper surface and the lower surface butt of plate body to can set up the multiunit plate body on the screw thread inserted link, improve the intensity of surface course after making the surface course pour the mortar concrete.
Optionally, a plurality of blanking holes are formed in the plate body, the edge of each blanking hole is obliquely arranged, and the diameter of the upper end of each blanking hole is larger than that of the bottom end of each blanking hole.
Through adopting above-mentioned technical scheme, the blanking hole on the plate body is used for making mortar and concrete whereabouts to can pave the surface course of road, and the edge slope in blanking hole sets up, accelerates the mobile speed of mortar or concrete, improves the efficiency of construction.
To sum up, the application comprises at least the following beneficial technical effects:
when a damaged panel is broken, the broken depth is at least the distance from the upper surface of the surface layer to the lower surface of the base layer, so that the base layer can be re-laid and repaired, the mounting frame is arranged in the base layer, the laying stability of the base layer can be improved, the guide rod and the sliding rod can play a certain limiting role on the laid broken stones or gravels, and the roadbed materials under the slab are prevented from being continuously transferred and reduced to influence the use stability of the base layer;
the connecting rods on the multiple groups of threaded cylinders can be connected into a whole through the connecting cylinders, and the threaded rods can be extended or shortened from the bottoms of the threaded cylinders after being rotated, so that the height of the tops of the threaded cylinders is adjusted, the connected whole is kept horizontal, the paving reinforcing effect of the mounting frame on the base layer is better, and the paving effect of the base layer is improved;
through making the inside slip of spout of plug connector on the slide bar, during the installation plate body, inside making its jack that inserts on the plate body through the slip plug connector, improve the installation effectiveness of plate body, and make the plate body lay steadily, the plate body is located the surface course, the bearing strength of surface course can be improved in the installation of plate body, the rotation nut can make plate body fixed mounting, and can be through setting up two sets of nuts, respectively with the upper surface and the lower surface butt of plate body, thereby can set up the multiunit plate body on the plug connector, improve the intensity of surface course after the mortar concrete is pour to the messenger's surface course.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic top view of an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating an overall structure of a mounting rack and a supporting rack according to an embodiment of the present application;
FIG. 4 is a side view schematic diagram of a display mounting frame and a support frame according to an embodiment of the present application.
Reference numerals are as follows: 1. repairing the groove; 2. a mounting frame; 21. mounting the component; 211. a threaded barrel; 212. a threaded rod; 213. a connecting rod; 214. a connecting cylinder; 22. a support assembly; 221. a guide bar; 222. a slide bar; 2221. a chute; 3. a support frame; 31. a plate body; 311. a jack; 312. a blanking hole; 32. a plug-in unit; 321. and a nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a construction method for grouting and reinforcing urban road surfaces.
The construction method for grouting and reinforcing the urban road pavement comprises the following steps:
the method comprises the following steps: the damaged panel is broken, and the area of the broken panel is larger than that of the damaged panel, so that a repairing groove 1 is formed on the surface of the road;
step two: paving an installation frame 2 in the repairing groove 1, detecting the horizontal degree of the installation frame 2 through a horizontal detector, adjusting the installation frame 2 to enable the installation frame 2 to be paved horizontally, fixing the installation frame 2, and enabling the upper surface of the installation frame 2 and the upper surface of the base layer to be in the same plane;
step three: disassembling the horizontal detector, laying a base layer, laying broken stones or gravels on the mounting frame 2, enabling the broken stones or gravels to flow into the base layer, and enabling the surface of the laid broken stones or gravels and the upper surface of the mounting frame 2 to be on the same plane;
step four: a support frame 3 is fixedly arranged on the mounting frame 2, so that the upper surface of the support frame 3 is not higher than the upper surface of the surface layer;
step five: pouring mortar, concrete or asphalt, compacting the poured pavement through a road roller, continuously supplementing mortar and flattening the compacted pavement to enable the flattened pavement and the surface layer to be on the same plane;
step six: and (5) maintaining.
Referring to fig. 1, in the first step, the area of the damaged panel can be adjusted according to the shape and size of the damaged panel, the depth of the damaged panel is at least the distance from the upper surface of the surface layer to the lower surface of the base layer, and during actual construction, the damaged panel can be broken to a certain extent according to the damaged degree of the cushion layer at the damaged panel, so that the bearing strength of the base layer and the cushion layer is improved.
Referring to fig. 1 and 2, the mounting bracket 2 in the second step is a splicing type mounting bracket 2, the mounting bracket 2 includes a plurality of groups of mounting assemblies 21 and supporting assemblies 22, the mounting assemblies 21 are attached to the inner wall of the repairing groove 1, the plurality of groups of mounting assemblies 21 are connected end to form a space for laying a base layer, the laying space of the base layer can be improved to the maximum extent, the laying effect of the base layer is improved, the plurality of groups of supporting assemblies 22 are used for limiting the laying material of the base layer, the transfer of the base layer material is prevented from being reduced, the supporting assemblies 22 are arranged between the plurality of groups of mounting assemblies 21 in parallel, and the supporting assemblies 22 are arranged along the length direction of the road.
Referring to fig. 3, the mounting assembly 21 includes a threaded cylinder 211, a threaded rod 212 and two groups of connecting rods 213, the threaded cylinder 211 is provided with a threaded through hole arranged along the axis direction, the threaded rod 212 is in threaded fit with the threaded through hole, the two groups of connecting rods 213 are both fixedly connected to the outer wall of the threaded cylinder 211, a connecting cylinder 214 is detachably arranged between two adjacent connecting rods 213, the connecting cylinder 214 is provided with a through hole arranged along the axis direction, the connecting rods 213 are in inserted fit with the through hole, the connecting cylinder 214 is sleeved on the two groups of connecting rods 213 and can play a role in connecting the two groups of connecting rods 213, the connecting rods 213 on the groups of threaded cylinders 211 can be connected into a whole through the connecting cylinder 214, after the connection into a whole, the detection is performed by mounting a level detector, after the detection is performed, after the threaded rod 212 is rotated, the threaded rod 212 can extend or shorten from the bottom of the threaded cylinder 211, so that the height of the top of the threaded cylinder 211 is adjusted, the connected whole is kept level, and then, the material is laid in the base layer, and the laying effect of the base layer is improved; the supporting component 22 comprises a guide rod 221 and two groups of sliding rods 222 respectively arranged at two ends of the guide rod 221, the guide rod 221 is sleeved outside the sliding rods 222, the guide rod 221 and the two groups of sliding rods 222 are coaxially arranged, the two groups of sliding rods 222 are both in sliding connection with the guide rod 221, and the sliding rods 222 are detachably connected with the threaded cylinder 211; the periphery wall of the tip of slide bar 222 is seted up threadedly, threaded cylinder 211 is last to set up with the thread groove of slide bar 222 screw-thread adaptation, it can elongate to slide between guide bar 221 and the slide bar 222, rotate slide bar 222, the screw thread that makes the slide bar 222 tip is connected with the thread groove screw thread on the threaded cylinder 211, thereby be convenient for fix the both ends of slide bar 222, guide bar 221 and slide bar 222 installation back, can play certain limiting displacement to the rubble or the gravel of laying, when avoiding the vehicle to travel on the road, the panel receives vertical load's effect, lead to the continuous transfer of road bed material under the board and reduce.
Referring to fig. 3, the support frame 3 in the fourth step includes a plurality of sets of plate bodies 31 and plug connectors 32 movably disposed on the sliding rod 222, sliding grooves 2221 disposed along the length direction are disposed on the sliding rod 222, the sliding grooves 2221 are slidably fitted with the plug connectors 32, in this embodiment, the sliding grooves 2221 are T-shaped grooves, insertion holes 311 adapted to the plug connectors 32 are disposed on the plate bodies 31, the insertion holes 311 are bar-shaped and disposed along the length direction of the plate bodies 31, the plug connectors 32 slide in the sliding grooves 2221 on the sliding rod 222, when the plate bodies 31 are mounted, the plate bodies 31 are inserted into the insertion holes 311 on the plate bodies 31 through the sliding plug connectors 32, so as to improve the mounting efficiency of the plate bodies 31, and to stabilize the laying of the plate bodies 31, when mortar concrete is laid on the surface course, the uniformity of the material can be improved, thereby improving the bearing strength of the surface course, and making the use effect of the repaired road better; in order to improve the installation stability of the plate body 31, in this embodiment, the plug connector 32 is specifically a threaded plug-in rod, a plurality of sets of nuts 321 for movably abutting against the upper surface or the lower surface of the plate body 31 are connected to the threaded plug-in rod through threads, the threaded plug-in rod can penetrate through the insertion holes 311 in the plate body 31, the nuts 321 on the threaded plug-in rod are rotated to enable the nuts 321 to abut against the surface of the plate body 31, so that the plate body 31 can be fixedly installed, and the two sets of nuts 321 are arranged on the threaded plug-in rod and abut against the upper surface and the lower surface of the plate body 31 respectively, so that a plurality of sets of plate bodies 31 can be arranged on the threaded plug-in rod, and the strength of the surface layer is further improved after mortar concrete is poured on the surface layer; a plurality of blanking holes 312 have been seted up on plate body 31, and the edge of blanking hole 312 is the slope setting, makes the upper end diameter of blanking hole 312 be greater than the diameter of blanking hole 312 bottom, and blanking hole 312 on plate body 31 is used for making mortar and concrete whereabouts to can pave the surface course of road, and the edge slope setting of blanking hole 312 for the mobile speed of mortar or concrete.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (3)
1. The construction method for grouting and reinforcing the urban road pavement is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: the damaged panel is broken, and the area of the broken panel is larger than that of the damaged panel, so that a repairing groove (1) is formed on the surface of the road;
step two: laying an installation frame (2) in the repairing groove (1), detecting the horizontal degree of the installation frame (2) through a horizontal detector, adjusting the installation frame (2) to enable the installation frame to be laid horizontally, fixing the installation frame (2), and enabling the upper surface of the installation frame (2) and the upper surface of the base layer to be the same plane;
step three: disassembling the horizontal detector, laying a base layer, laying broken stones or gravels on the mounting rack (2), enabling the broken stones or gravels to flow into the base layer, and enabling the surface of the laid broken stones or gravels and the upper surface of the mounting rack (2) to be on the same plane;
step four: a support frame (3) is fixedly arranged on the mounting frame (2), so that the upper surface of the support frame (3) is not higher than the upper surface of the surface layer;
step five: pouring mortar, concrete or asphalt, compacting the poured pavement through a road roller, continuously supplementing mortar and flattening the compacted pavement to enable the flattened pavement and the surface layer to be on the same plane;
step six: maintaining;
the mounting rack (2) in the second step is a splicing type mounting rack (2), the mounting rack (2) comprises a plurality of groups of mounting assemblies (21) and supporting assemblies (22), the mounting assemblies (21) are attached to the inner wall of the repairing groove (1), the plurality of groups of mounting assemblies (21) are connected end to form a space for laying a base layer, and the plurality of groups of supporting assemblies (22) are arranged among the plurality of groups of mounting assemblies (21) in parallel;
the mounting assembly (21) comprises a threaded cylinder (211), a threaded rod (212) and two groups of connecting rods (213), wherein the threaded cylinder (211) is provided with a threaded through hole arranged along the axis direction, the threaded rod (212) is in threaded fit with the threaded through hole, the two groups of connecting rods (213) are both arranged on the outer wall of the threaded cylinder (211), a connecting cylinder (214) is arranged between the two adjacent connecting rods (213), the connecting cylinder (214) is provided with a through hole arranged along the axis direction, and the connecting rods (213) are in splicing fit with the through hole;
the supporting assembly (22) comprises a guide rod (221) and two groups of sliding rods (222) which are respectively arranged at two ends of the guide rod (221), the guide rod (221) and the two groups of sliding rods (222) are coaxially arranged, the two groups of sliding rods (222) are both in sliding connection with the guide rod (221), and the sliding rods (222) are detachably connected with the threaded cylinder (211);
the outer peripheral wall of the end part of the sliding rod (222) is provided with threads, and the threaded cylinder (211) is provided with a threaded groove matched with the threads of the sliding rod (222);
the supporting frame (3) in the fourth step comprises a plurality of groups of plate bodies (31) and plug connectors (32) movably arranged on sliding rods (222), sliding grooves (2221) arranged along the length direction are formed in the sliding rods (222), the sliding grooves (2221) are in sliding fit with the plug connectors (32), and jacks (311) in plug fit with the plug connectors (32) are formed in the plate bodies (31);
the plug connector (32) is specifically a threaded plug rod, and a plurality of groups of nuts (321) which are movably abutted against the upper surface or the lower surface of the plate body (31) are arranged on the threaded plug rod.
2. The urban road pavement mud jacking and reinforcing construction method according to claim 1, characterized in that: and in the first step, the depth of the damaged panel is at least the distance from the upper surface of the surface layer to the lower surface of the base layer.
3. The urban road pavement grouting reinforcement construction method according to claim 1, characterized in that: a plurality of blanking holes (312) are formed in the plate body (31), the edges of the blanking holes (312) are obliquely arranged, and the diameter of the upper end of each blanking hole (312) is larger than that of the bottom end of each blanking hole (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111557302.5A CN114232404B (en) | 2021-12-18 | 2021-12-18 | Construction method for pressing slurry and reinforcing urban road surface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111557302.5A CN114232404B (en) | 2021-12-18 | 2021-12-18 | Construction method for pressing slurry and reinforcing urban road surface |
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| CN114232404A CN114232404A (en) | 2022-03-25 |
| CN114232404B true CN114232404B (en) | 2023-02-10 |
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| CN207031952U (en) * | 2017-07-31 | 2018-02-23 | 天津东方中天建设工程有限公司 | A kind of road structure |
| CN207376392U (en) * | 2017-09-13 | 2018-05-18 | 秦介甫 | A kind of road damage revamping structure |
| CN208167441U (en) * | 2018-03-28 | 2018-11-30 | 中建港务建设有限公司 | A kind of nonmetallic power transmission lever fixing apparatus |
| CN208038953U (en) * | 2018-04-13 | 2018-11-02 | 山东省地质矿产勘查开发局第三水文地质工程地质大队(山东省鲁南地质工程勘察院) | Novel pavement structure in subsidence area |
| CN209082285U (en) * | 2018-09-25 | 2019-07-09 | 江苏省科佳工程设计有限公司 | A kind of pavement structure having fiber mixture |
| CN109505220A (en) * | 2018-12-25 | 2019-03-22 | 中力禾生态建设股份有限公司 | A kind of town road repairs system and construction method in time |
| CN110804918A (en) * | 2019-10-22 | 2020-02-18 | 滁州市富邦商品混凝土有限公司 | Concrete road surface structure of preventing collapsing of antidetonation |
| CN211368661U (en) * | 2019-10-25 | 2020-08-28 | 湖南盛业土工材料制造有限公司 | High-strength detachable geogrid |
| CN211897651U (en) * | 2020-03-04 | 2020-11-10 | 北京中咨华安交通科技发展有限公司 | Roadbed structure in soft soil area |
| CN212714332U (en) * | 2020-07-21 | 2021-03-16 | 中国水利水电第六工程局有限公司 | Highway subgrade settlement-preventing device |
| CN213447906U (en) * | 2020-08-31 | 2021-06-15 | 朱雪婷 | Assembled road roadbed structure |
| CN214831602U (en) * | 2021-06-25 | 2021-11-23 | 江苏广吴建设园林有限公司 | Reinforced asphalt concrete pavement |
| CN216585963U (en) * | 2021-12-09 | 2022-05-24 | 湖北鸿盛华瑞建设工程有限公司 | Soft road bed processing is with high-efficient auxiliary device that consolidates |
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