CN213507873U - Prefabricated assembly road surface structure - Google Patents

Prefabricated assembly road surface structure Download PDF

Info

Publication number
CN213507873U
CN213507873U CN202022109800.0U CN202022109800U CN213507873U CN 213507873 U CN213507873 U CN 213507873U CN 202022109800 U CN202022109800 U CN 202022109800U CN 213507873 U CN213507873 U CN 213507873U
Authority
CN
China
Prior art keywords
concave
convex
plate
mounting groove
road
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202022109800.0U
Other languages
Chinese (zh)
Inventor
阎宗岭
方程
刘中帅
杨伟
徐峰
杨光清
王立洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Merchants Chongqing Communications Research and Design Institute Co Ltd
Original Assignee
China Merchants Chongqing Communications Research and Design Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Merchants Chongqing Communications Research and Design Institute Co Ltd filed Critical China Merchants Chongqing Communications Research and Design Institute Co Ltd
Priority to CN202022109800.0U priority Critical patent/CN213507873U/en
Application granted granted Critical
Publication of CN213507873U publication Critical patent/CN213507873U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Road Paving Structures (AREA)

Abstract

The utility model discloses a prefabricated assembly pavement structure, which comprises a rectangular beam body and a supporting plate, wherein the rectangular beam body is in a long strip shape, the upper surface of the rectangular beam body is provided with a plurality of flanges extending upwards along the edge of the rectangular beam body, and the flanges are uniformly laid along a maintained roadbed surface at intervals; the supporting plate comprises a plurality of groups of road plates, and each road plate comprises a concave plate, a convex plate and a concave-convex plate; the plurality of concave-convex plates can be meshed and clamped with each other in sequence through the bulges and the grooves, the concave plates and the convex plates are meshed and clamped with the bulges and the grooves at two ends respectively to form a road panel, and the plurality of road panels are connected in sequence along the directions of two side faces without the bulges and the grooves to form a supporting plate; second mounting groove, first mounting groove and third mounting groove communicate in order and form the U-shaped groove, and two relative U-shaped grooves enclose into the mounting groove, and the turn-ups can inlay and establish in the mounting groove. This prefabricated assembly road surface structure can carry out quick remedy to destroying the road surface, can improve overall stability again.

Description

Prefabricated assembly road surface structure
Technical Field
The utility model relates to an assembled road, concretely relates to prefabricated assembly road surface structure.
Background
The road maintenance operation aims to maintain and improve the road service function. However, maintenance operation itself has a great influence on normal driving, and the problems of traffic delay and traffic capacity reduction caused by frequent maintenance of the current high-grade highway are very prominent, so that the social reverberation is great, and the public opinion pressure is great. This is especially true for the expressway with large traffic flow and high driving speed. The traffic management department is always plagued by the problems of traffic safety and smooth road network.
How to shorten the maintenance operation time of the highway to the utmost extent, realize the timely, rapid, safe and reliable maintenance operation, reduce the interference of the maintenance construction of the road surface to the normal maintenance traffic is an important research direction for the development of the highway maintenance technology in China at present and in a period in the future.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the to-be-solved technical problem of the utility model is to provide a prefabricated assembly road surface structure can carry out quick remedy to destroying the road surface, can improve overall stability again.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a prefabricated assembled pavement structure comprising:
the rectangular beam body is long-strip-shaped, the surface of the rectangular beam body is provided with flanges extending upwards along the edge of the rectangular beam body, and a plurality of rectangular beam bodies are uniformly laid along a maintained roadbed at intervals; and
the supporting plate comprises a plurality of groups of road plates, and each road plate comprises a concave plate, a convex plate and a concave-convex plate; the road surface board comprises a plurality of concave-convex boards, wherein two opposite side surfaces of the concave-convex board are respectively provided with a bulge and a groove, the concave-convex boards can be mutually occluded and clamped through the bulges and the grooves in sequence, the concave boards and the convex boards are respectively occluded and clamped with the bulges and the grooves on the two concave-convex boards positioned at two end parts after being occluded and clamped to form the road surface board, and the road surface boards are sequentially connected along the directions of the two side surfaces of the concave-convex boards, which are not provided with the bulges and the grooves, to form a supporting board;
the face of the supporting plate facing the rectangular beam body is concavely provided with a mounting groove matched with the flanging in a clamping mode, the mounting groove is located at the connecting portion of the two adjacent road panels and communicated with the concave plates, the convex plates and the concave and convex plates on the road panels on the two sides to form a closed ring.
Further, the mounting grooves comprise a first mounting groove, a second mounting groove and a third mounting groove which are respectively arranged on the bottom surfaces of the concave-convex plate, the concave plate and the convex plate; the first mounting groove is a straight line groove which penetrates through two phase side surfaces of the concave-convex plate; the second mounting groove is an L-shaped groove which is communicated with two adjacent side surfaces of the concave plate; the third mounting groove is an L-shaped groove which is communicated with two adjacent side surfaces of the convex plate; the first mounting groove, the second mounting groove and the third mounting groove on two adjacent road panels are sequentially connected to form a closed mounting groove.
Furthermore, a plurality of strip-shaped cavities are formed in the roadbed surface, and one side, far away from the road slab, of the rectangular beam body can be embedded in the strip-shaped cavities.
The rectangular beam body is characterized by further comprising a reinforcing rib plate, wherein the reinforcing rib plate is arranged in the strip-shaped cavity and is positioned between the side wall of the strip-shaped cavity and the rectangular beam body.
Furthermore, the concave plate, the convex plate and the concave-convex plate are all provided with hanging openings, and lifting hooks are arranged in the hanging openings.
Furthermore, a waterproof rubber pad is arranged at the opening of the hanging opening, a through hole through which the hook can pass is formed in the waterproof rubber pad, and the through hole is in a closed state.
The utility model has the advantages that:
above-mentioned prefabricated assembly road surface structure, including the rectangle roof beam body and backup pad, the rectangle roof beam body has a plurality ofly, and the backup pad is laid on the rectangle roof beam body and is connected with the rectangle roof beam body. A plurality of strip-shaped cavities are formed in the roadbed surface, and one side, away from the road slab, of the rectangular beam body can be embedded in the strip-shaped cavities. The strip-shaped cavities can limit the displacement of the rectangular beam body and thus the whole prefabricated pavement structure. The supporting plate multiunit pavement board, pavement board include concave plate, convex plate and buckle. The concave plate, the convex plate and the plurality of concave-convex plates are spliced into the road slab, and the plurality of road slabs are spliced into the supporting plate. The flanges on the rectangular beam body are embedded in the two opposite U-shaped grooves to form mounting grooves, so that the road deck can be connected and fixed. By the mode, the supporting plates with different lengths and widths can be flexibly spliced according to needs. By adopting the spliced prefabricated assembly pavement structure, the plates are mutually matched, the pavement slab is mutually matched with the rectangular beam body, external load is firstly borne by the pavement slab, then is transmitted to the rectangular beam body and finally is transmitted to the roadbed, so that the overall structural stability is improved.
When the road is restoreed, prefabricate the bar cavity on the road bed earlier, will make up into the decking with single concave plate, buckle slab and convex plate hoist and transport adjacent road surface afterwards, splice into the backup pad with the decking again, and it is fixed through the turn-ups joint of the rectangular beam body, place the rectangular beam body afterwards and fix in the bar cavity, and finally, will hoist whole prefabricated assembly road surface structure, and make the bottom card of the rectangular beam body go into in the bar cavity of road bed, then accomplish whole prefabricated assembly road surface structure's arrangement. The rectangular beam body can be embedded in the strip-shaped cavity, and the single concave plate, the convex plate and the concave plate are lifted and fixed on the rectangular beam body in sequence to finish the arrangement. When a certain plate body is found to be damaged in the using process, the plate body can be independently replaced, so that the maintenance time can be reduced, and the production cost can be saved. By the mode, pavement can be quickly paved, the maintenance and curing operation time of the highway is shortened to the maximum extent, and timely, quick, safe and flexible maintenance and curing operation is realized, so that the interference of normal traffic of a pavement maintenance and curing construction team is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
Fig. 1 is a schematic view of a prefabricated pavement structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a rectangular beam body in a prefabricated assembled pavement structure shown in FIG. 1;
FIG. 3 is a schematic view of a support plate in the prefabricated assembled pavement structure shown in FIG. 1;
FIG. 4 is a schematic view of a deck panel of the prefabricated assembled pavement structure of FIG. 1;
FIG. 5 is a schematic view of an embossed plate in the prefabricated assembled pavement structure shown in FIG. 1;
FIG. 6 is a schematic view of a raised plate of the prefabricated assembled pavement structure of FIG. 1;
FIG. 7 is a schematic view of a recess plate of the prefabricated pavement structure of FIG. 1;
FIG. 8 is a schematic view of a drop opening in the prefabricated assembled pavement structure of FIG. 1;
reference numerals:
100-rectangular beam body, 110-flanging, 200-supporting plate, 210-road plate, 220-concave plate, 221-second mounting groove, 230-convex plate, 231-third mounting groove, 240-concave-convex plate, 241-convex, 242-concave groove, 243-first mounting groove, 300-hanging opening, 310-hanging hook, 320-waterproof rubber pad, 330-cover plate, 400-U-shaped groove and 500-mounting groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 and 8, the present invention provides a prefabricated pavement structure, which includes a rectangular beam body 100 and a supporting plate 200. The method is used for road surface maintenance and temporary pavement construction.
Referring to fig. 1 and 2, in particular, the rectangular beam 100 is a long strip, and the surface of the rectangular beam 100 is provided with a flange 110 extending upward along the edge thereof. The rectangular beam body 100 is provided in plural and uniformly spaced along the road surface to be repaired. When the concrete construction is carried out, a plurality of strip-shaped cavities are formed in the roadbed surface, and the bottom of the rectangular beam body 100 is embedded and fixed in the strip-shaped cavities, so that the rectangular beam body 100 can be prevented from displacing.
Referring to fig. 1, 3 and 4, the supporting board 200 includes a plurality of sets of road boards 210. The road surface plate 210 includes a concave plate 220, a convex plate 230, and a concave-convex plate 240. The concavo-convex plate 240 has a plurality of, and opposite sides of the concavo-convex plate 240 are provided with a protrusion 241 and a groove 242, respectively. The plurality of concave-convex plates 240 can be mutually clamped and connected in sequence through the convex 241 and the concave 242. The concave plate 220 and the convex plate 230 are respectively engaged with the protrusions 241 and the grooves 242 of the two concave and convex plates 240 located at the two ends after the engagement, so that the recesses and the protrusions at the two ends are filled to form an integral and flat road surface plate 210.
The support plate 200 is formed by sequentially connecting a plurality of road plates 210 along the direction of the two side surfaces of the concave-convex plate 240 without the protrusions and the grooves, in other words, as shown in fig. 3 and 4, the direction in which the concave plates 220, the concave-convex plate 240 and the convex plate 230 in the road plates 210 are clamped and overlapped is taken as the axial direction, the two sides forming the plane as the main axial direction are taken as the side surfaces, and the support plate 200 is formed by sequentially connecting the plurality of road plates 210 and the adjacent side surfaces. In specific implementation, the number of the concave-convex plates 240 can be selected according to the width of the road surface to be maintained, and the axial length of the road surface plate 210 formed by clamping the concave plates 220, the concave-convex plates 240 and the convex plates 230 is the width of the road surface to be maintained; similarly, the number of the rectangular beam body 100 and the number of the road slabs 210 should be selected according to the length of the road to be maintained, and the size obtained after the plurality of road slabs 210 are connected in sequence with the adjacent side faces is the length of the maintained road; and the adjacent road panels 210 are clamped and fixed through the rectangular beam bodies 100, and finally the supporting plates 200 with the required size are spliced. The joints between the adjacent concave-convex plates 240, between the concave plates 220 and the concave-convex plates 240, and between the convex plates 230 and the concave-convex plates 240 can be caulked by waterproof mortar. Reinforcing bars are embedded in the concave plate 220, the convex plate 230 and the concave-convex plate 240.
Referring to fig. 3 to 7, the mounting grooves include a first mounting groove 243, a second mounting groove 221 and a third mounting groove 231 respectively disposed on the bottom surfaces of the concave and convex plate 240, the concave plate 220 and the convex plate 230. The first mounting groove 243 is a linear groove penetrating two side surfaces of the concavo-convex plate. The second mounting groove 221 is an L-shaped groove communicating two adjacent sides of the concave plate. The third mounting groove 231 is an L-shaped groove communicating two adjacent sides of the protruding plate. The first installation groove 243, the second installation groove 221 and the third installation groove 231 on two adjacent road panels are connected in sequence to form a closed installation groove. In specific implementation, the installation can be designed as follows: the bottom surface of the concavo-convex plate 240 is adjacent to the first mounting groove 243 of a straight groove shape having both front and rear ends penetrating through both side surfaces of the concavo-convex plate. Two L-shaped second mounting grooves 221 communicated with two adjacent side surfaces of the concave plate are respectively formed at the front end and the rear end of the bottom surface of the concave plate 220, and one end of each second mounting groove 221 is communicated with the first mounting groove 243. Two linear groove-shaped L-shaped third mounting grooves 231 penetrating through the two side surfaces of the concave-convex plate are respectively formed at the front end and the rear end of the bottom surface of the convex plate 230, and the third mounting grooves 231 are communicated with the first mounting groove 243. Thus, the second mounting groove 221, the first mounting groove 243, and the third mounting groove 231 are sequentially communicated to form the U-shaped groove 400. The adjacent two U-shaped grooves 400 enclose an annular mounting groove 500. The flange 110 can be embedded in the mounting groove 500 and can be further fixed on the rectangular beam 100 by means of screws or the like, thereby forming a spliced road surface structure. Similarly, in practical implementation, the flange 110 adjacent to the second installation groove 221, the first installation groove 243 and the third installation groove 231 may also be caulked by waterproof mortar. By adopting the spliced prefabricated assembly pavement structure, the plates are mutually matched, the pavement plate 210 is mutually matched with the rectangular beam body 100, and external load is firstly borne by the supporting plate 200, then is transmitted to the rectangular beam body 100 and finally is transmitted to a roadbed. The strip-shaped cavities may limit the displacement of the rectangular beam body 100 and thus the entire prefabricated assembly pavement structure.
When a road is repaired, the rectangular beam body 100 is laid firstly and then the road slab 210 is laid along the ground to be repaired, so that the pavement can be quickly laid, the maintenance operation time of the road is shortened to the maximum extent, the purposes of timeliness, quickness, safety and reliability of maintenance operation are achieved, and the interference of maintenance construction of the road surface on normal traffic is further reduced.
In this embodiment, the prefabricated pavement structure further includes reinforcing ribs. The reinforcing rib plates are arranged in the strip-shaped cavities and are positioned between the side walls of the strip-shaped cavities and the rectangular beam body 100. The reinforcing rib plate can be a steel rib plate, and can bear part of the load through the reinforcing rib plate.
Referring to fig. 8, as a preferred embodiment, the concave plate 220, the convex plate 230 and the concave-convex plate 230 are provided with hanging openings 300. A hook 310 is provided in the hanging opening 300. When the lifting hook is used, the outward-handed lifting hook can be hung on the lifting hook 310, and the concave plate 220, the convex plate 230 and the concave-convex plate 230 can be conveniently lifted to a required position.
In addition, a waterproof rubber pad 320 is disposed at the opening of the hanging opening 300, and a through hole capable of passing through the hook is formed in the waterproof rubber pad 320, and the through hole is in a closed state. The waterproof rubber pad 320 can prevent rainwater from flowing into the interior of the road slab 210 through the hanging opening 300 and affecting the quality of the road slab 210. The hanging opening 300 is covered with an openable cover plate 330. The cover plate 330 can further prevent dust and rain and ensure the flatness of the plate body.
The prefabricated assembly pavement structure comprises:
including a rectangular beam body 100 and a support plate 200. The rectangular beam body 100 is provided in plural and uniformly spaced along the road surface to be repaired. The support plate 200 is laid on the rectangular beam body 100 and connected to the rectangular beam body 100. The roadbed surface is provided with a plurality of strip-shaped cavities, and one side of the rectangular beam body 100, which is far away from the pavement slab 210, can be embedded in the strip-shaped cavities. The strip-shaped cavities may limit the displacement of the rectangular beam body 100 and thus the entire prefabricated assembly pavement structure. The support plate 200 includes a plurality of sets of road surface plates 210. The road surface plate 210 includes a concave plate 220, a convex plate 230, and a concave-convex plate 240. The concave plate 220, the convex plate 230 and the plurality of concave-convex plates 240 are spliced into the road surface plate 210. The plurality of road panels 210 are spliced into the supporting plate 200. The flanges 110 of the rectangular beam 100 are embedded in two adjacent U-shaped grooves 400 to form an installation groove 500, so that the road slab 210 can be connected and fixed. In this way, the support plates 200 with different lengths and widths can be flexibly spliced as required. By adopting the spliced prefabricated assembly pavement structure, the plates are mutually matched, the pavement slab 210 is mutually matched with the rectangular beam body 100, external loads are firstly borne by the pavement slab 210, then are transmitted to the rectangular beam body 100 and finally are transmitted to a roadbed, and the stability of the whole structure is improved.
When the road is repaired, a strip-shaped cavity is prefabricated on the roadbed, then a single concave plate 220, a concave-convex plate 240 and a convex plate 230 are hoisted to an adjacent road surface to be spliced into a road surface plate 210, then the road surface plate 210 is spliced into a supporting plate 200, the rectangular beam body 100 is clamped and fixed through a flanging 110 of the rectangular beam body 100, then the rectangular beam body 100 is placed and fixed in the strip-shaped cavity, finally, the whole prefabricated assembly road surface structure is hoisted, the bottom of the rectangular beam body 100 is clamped into the strip-shaped cavity of the roadbed, and then the arrangement of the whole prefabricated assembly road surface structure is completed. Or the rectangular beam body 100 can be embedded in the strip-shaped cavity, and the single concave plate 220, the convex plate 240 and the convex plate 230 are lifted and fixed on the rectangular beam body 100 in sequence to complete the arrangement. When a certain plate body is found to be damaged in the using process, the plate body can be independently replaced, so that the maintenance time can be reduced, and the production cost can be saved. By the mode, pavement can be quickly paved, the maintenance and curing operation time of the highway is shortened to the maximum extent, and timely, quick, safe and flexible maintenance and curing operation is realized, so that the interference of normal traffic of a pavement maintenance and curing construction team is reduced.
The reinforcing rib plate is arranged in the strip-shaped cavity, and part of the load can be borne by the reinforcing rib plate. The opening of the hanging opening 300 is provided with a waterproof rubber pad 320, and the waterproof rubber pad 320 is provided with a through hole which can go deep into the hook, and the through hole is in a closed state. The waterproof rubber pad 320 can prevent rainwater from flowing into the interior of the road slab 210 through the hanging opening 300 and affecting the quality of the road slab 210. The hanging opening 300 is covered with an openable cover plate 330. The cover plate 330 can further prevent dust and rain and ensure the flatness of the plate body.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (7)

1. A prefabricated assembled pavement structure, comprising:
the rectangular beam body is long-strip-shaped, the surface of the rectangular beam body is provided with flanges extending upwards along the edge of the rectangular beam body, and a plurality of rectangular beam bodies are uniformly laid along a maintained roadbed at intervals; and
the supporting plate comprises a plurality of groups of road plates, and each road plate comprises a concave plate, a convex plate and a concave-convex plate; the road surface board comprises a plurality of concave-convex boards, wherein two opposite side surfaces of the concave-convex board are respectively provided with a bulge and a groove, the concave-convex boards can be mutually occluded and clamped through the bulges and the grooves in sequence, the concave boards and the convex boards are respectively occluded and clamped with the bulges and the grooves on the two concave-convex boards positioned at two end parts after being occluded and clamped to form the road surface board, and the road surface boards are sequentially connected along the directions of the two side surfaces of the concave-convex boards, which are not provided with the bulges and the grooves, to form a supporting board;
the face of the supporting plate facing the rectangular beam body is concavely provided with a mounting groove matched with the flanging in a clamping mode, the mounting groove is located at the connecting portion of the two adjacent road panels and communicated with the concave plates, the convex plates and the concave and convex plates on the road panels on the two sides to form a closed ring.
2. The prefabricated assembled pavement structure of claim 1, wherein: the mounting grooves comprise a first mounting groove, a second mounting groove and a third mounting groove which are respectively arranged on the bottom surfaces of the concave and convex plates, the concave plates and the convex plates; the first mounting groove is a straight line groove which penetrates through two phase side surfaces of the concave-convex plate; the second mounting groove is an L-shaped groove which is communicated with two adjacent side surfaces of the concave plate; the third mounting groove is an L-shaped groove which is communicated with two adjacent side surfaces of the convex plate; the first mounting groove, the second mounting groove and the third mounting groove on two adjacent road panels are sequentially connected to form a closed mounting groove.
3. The prefabricated assembled pavement structure of claim 1, wherein the roadbed surface is provided with a plurality of strip-shaped cavities, and one side of the rectangular beam body, which is far away from the pavement slab, can be embedded in the strip-shaped cavities.
4. The prefabricated pavement structure according to claim 3, further comprising reinforcing rib plates, wherein the reinforcing rib plates are arranged in the strip-shaped cavities and located between the side walls of the strip-shaped cavities and the rectangular beam bodies.
5. The precast assembled pavement structure according to claim 1, wherein the concave board, the convex board and the concave and convex board are provided with hanging openings, and the hanging openings are provided with hanging hooks.
6. The precast assembled pavement structure according to claim 5, wherein a waterproof rubber pad is provided at an opening of the hanging opening, and a through hole through which the hook can pass is formed in the waterproof rubber pad, and the through hole is in a closed state.
7. The prefabricated assembled pavement structure of claim 5 or 6, wherein the hanging opening upper cover is provided with an openable cover plate.
CN202022109800.0U 2020-09-23 2020-09-23 Prefabricated assembly road surface structure Expired - Fee Related CN213507873U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022109800.0U CN213507873U (en) 2020-09-23 2020-09-23 Prefabricated assembly road surface structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022109800.0U CN213507873U (en) 2020-09-23 2020-09-23 Prefabricated assembly road surface structure

Publications (1)

Publication Number Publication Date
CN213507873U true CN213507873U (en) 2021-06-22

Family

ID=76450218

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022109800.0U Expired - Fee Related CN213507873U (en) 2020-09-23 2020-09-23 Prefabricated assembly road surface structure

Country Status (1)

Country Link
CN (1) CN213507873U (en)

Similar Documents

Publication Publication Date Title
KR101509505B1 (en) Slab girder bridge and the bridge thereof
CN108316466B (en) Prefabricated bay window component, assembled bay window node structure and construction method thereof
CN113136783A (en) Prefabricated T-shaped beam and construction method thereof
CN209907429U (en) Industrialized dense rib plate type retaining wall
CN215800755U (en) Precast concrete pavement
CN108589507B (en) Full-assembled precast concrete beam bridge superstructure and construction method thereof
CN213507873U (en) Prefabricated assembly road surface structure
KR101404481B1 (en) Bridge construction method using road decking panel at limited space for girder manufacturing
CN209854577U (en) Assembled thin-wall box-shaped channel
CN111636316A (en) Block spliced precast concrete box culvert and construction process thereof
JP3841493B2 (en) Construction method of viaduct using PCa concrete member
CN211947880U (en) Half-through type longitudinal block prefabricated box girder
CN214615228U (en) Block assembled rail top air duct for underground station
CN214657163U (en) Assembled brick moulding bed
CN112045841B (en) Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam
CN212801634U (en) Pile plate reinforced retaining wall
CN209011374U (en) A kind of fast disassembly type light weight hollow is laid bricks and fast disassembly type wall body structure
CN215629090U (en) Novel prefabricated road of assembled that can have enough to meet need
CN215715889U (en) Can have enough to meet need prefabricated escape canal and prefabricated escape canal system
CN211897813U (en) Prefabricated abutment
CN219862171U (en) Combined type underground road and settlement joint reinforced structure thereof
CN219709954U (en) Concrete U-shaped roadbed connection structure
CN211395215U (en) Prefabricated pedestrian path module and pedestrian path thereof
CN220789286U (en) Prefabricated road structure
CN211947881U (en) Upper bearing type longitudinal block prefabricated box girder

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210622

CF01 Termination of patent right due to non-payment of annual fee