CN112853856A - Road board and construction method thereof - Google Patents

Road board and construction method thereof Download PDF

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Publication number
CN112853856A
CN112853856A CN202110034766.1A CN202110034766A CN112853856A CN 112853856 A CN112853856 A CN 112853856A CN 202110034766 A CN202110034766 A CN 202110034766A CN 112853856 A CN112853856 A CN 112853856A
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CN
China
Prior art keywords
road
concrete
steel bars
road plate
steel bar
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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.)
Pending
Application number
CN202110034766.1A
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Chinese (zh)
Inventor
孙凤东
巩立青
王义东
侯文婷
卢璐
丁庆吉
王伟
王占周
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 Railway No 3 Engineering Group Co Ltd
Tianjin Construction Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Original Assignee
China Railway No 3 Engineering Group Co Ltd
Tianjin Construction Engineering Co Ltd of China Railway No 3 Engineering Group 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 Railway No 3 Engineering Group Co Ltd, Tianjin Construction Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd filed Critical China Railway No 3 Engineering Group Co Ltd
Priority to CN202110034766.1A priority Critical patent/CN112853856A/en
Publication of CN112853856A publication Critical patent/CN112853856A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C9/00Special pavings; Pavings for special parts of roads or airfields
    • E01C9/08Temporary pavings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C9/00Special pavings; Pavings for special parts of roads or airfields
    • E01C9/08Temporary pavings
    • E01C9/086Temporary pavings made of concrete, wood, bitumen, rubber or synthetic material or a combination thereof

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention relates to the field of road plate construction, and discloses a road plate which has a universal fixed size, solves the problem of adaptability due to repeated use of the road plate, is provided with four hoisting holes and hoisting ribs, solves the problem of difficulty in moving the road plate, sets reinforcing steel bars in the road plate into a double-layer and mutually crossed form, and adopts the reinforcing steel bars to bind and connect the reinforcing steel bars, thereby solving the problem of insufficient strength of the road plate; the construction method of the road board is also disclosed, and the hanging ribs and the reinforcing steel bars are poured in the concrete, so that the strength of the concrete is ensured.

Description

Road board and construction method thereof
Technical Field
The invention relates to the field of road plate construction, in particular to a road plate and a construction method thereof.
Background
In a construction site, due to the complex environment, heavy trucks usually come in and go out of the construction site, and therefore a temporary road can be paved on the construction site. In the prior art, the temporary road on the construction engineering site in China mostly uses disposable cast-in-place concrete, so that a large amount of construction waste is generated when the original landform is restored in the later period, and the waste of resources is caused.
In current temporary road, all can connect through modes such as unsmooth tenon, reinforcing bar or steel pipe between the road plate, the dismouting is very difficult.
Disclosure of Invention
Aiming at the problems, the road plate and the construction method thereof are provided, the road plate has a universal fixed size, the problem of adaptability due to repeated use of the road plate is solved, the problem that the road plate is difficult to move is solved by arranging four hoisting holes and hoisting ribs on the road plate, the reinforcing steel bars inside the road plate are arranged in a double-layer and mutually crossed mode, and the reinforcing steel bars are bound and connected, so that the problem that the strength of the road plate is insufficient is solved.
In some embodiments of the present application, a road slab is a rectangular parallelepiped concrete structure having a fixed size; the road plate is provided with four hoisting holes and four hoisting ribs positioned inside the hoisting holes, and the four hoisting holes and the four hoisting ribs are distributed at positions corresponding to four corners of the road plate; the road plate is internally provided with a plurality of reinforcing steel bars and a plurality of reinforcing steel bars which are distributed in a double-layer and intercrossing mode, and the reinforcing steel bars are bound and used for fixedly connecting the intercrossing reinforcing steel bars.
In some embodiments of the present application, the dimensions of the roadway panel are: 2m 6m 0.25 m.
In some embodiments of the present application, the rebar comprises a first rebar having a length of 6.3 meters; the length of the second steel bar is 5.94 meters; the third steel bar is 2.3 meters in length; the fourth steel bar is 1.94 meters in length; protective layers with the length of 0.03 meter are respectively arranged on two sides of the road board in the length, width and height directions; the steel bars form a double-layer steel bar framework, and the third steel bars and the fourth steel bars are arranged along the direction of 2m sides; the first steel bar and the second steel bar are arranged along the 6m side direction; the third steel bar is arranged below the first steel bar, and two ends of the third steel bar are respectively bent upwards for 0.18 m to form a lower-layer steel bar framework; the fourth reinforcing steel bar is arranged above the second reinforcing steel bar, and an upper-layer reinforcing steel bar framework is formed.
In some embodiments of the present application, in the direction of each layer of 2m sides, a steel bar is spaced, and the reinforcement stirrup binding is performed on the upper layer of steel bar and the lower layer of steel bar in the direction of each layer of 6m in a manner of spacing one or two steel bars, wherein the reinforcement stirrup length is 0.33 m.
In some embodiments of this application, the homogeneous interval between the reinforcing bar is 0.15 meters, first reinforcing bar is provided with 14, the second reinforcing bar is provided with 14, the third reinforcing bar is provided with 40, the fourth reinforcing bar is provided with 40.
In some embodiments of the present application, the suspension bar includes a bending portion and a bending portion, and the bending portion is disposed between two bending portions. And the bending radius of the bending part is 0.04 meter, and the length and the height of the bending part are 0.1 meter.
In some embodiments of the present application, the distance between the lifting hole and the 6m side is 0.04 m, the distance between the lifting hole and the 2m side is 1.24 m, the diameter of the lifting hole is 0.1 m, and the depth of the lifting hole is 0.1 m.
In some embodiments of the present application, a method of constructing a pavement slab, comprising the steps of:
s1: placing a bottom die, hardening the manufacturing site of the road board, fixedly installing the bottom die on the manufacturing site, assembling the bottom die by adopting a steel template, and polishing and brushing oil on the bottom die;
s2: binding the steel bars, namely binding the steel bars at a preset position by using stirrups after arranging the steel bars according to a preset installation sequence;
s3: embedding a hanging bar, embedding the hanging bar at a preset position, and reserving a hoisting hole;
s4: mounting side molds, namely fixedly mounting the side molds on a bottom mold, and connecting the side molds by using split screws;
s5: pouring concrete, namely pouring the concrete into a template surrounded by the bottom die and the side die to form the shape of the road slab;
s6: and curing and stripping, namely after the concrete pouring is finished, moistening and curing the concrete to keep the concrete moist, and stripping after the strength of the road slab reaches 2.5 MPa.
In some embodiments of the present application, the wet curing of the concrete is specifically:
before form removal, the concrete is moisturized for 15 days, and after the moisture reaches 75% of the designed strength, the concrete is transported, stacked and installed.
In some embodiments of the present application, the concrete is cast using a concrete having a strength of C30.
The beneficial effect of this application does:
the road plate is set to be universal and fixed in size, so that the road plate has adaptability and can be suitable for more scenes; the four hoisting holes and the hoisting ribs are arranged on the road plate, so that the efficiency of moving the road plate is increased, and the road plate can be moved and modified by using a crane; the reinforcing steel bars are arranged in a double-layer and mutually crossed mode, and the reinforcing steel bars are bound and connected, so that the strength of the road plate is improved; the common mortise and tenon tongue-and-groove in the prior art is cancelled, and the disassembly and assembly process of the road plate is simplified.
Drawings
FIG. 1 is a structural view of a road plate in an embodiment of the present invention;
FIG. 2 is a structural view of a suspension bar in an embodiment of the present invention;
FIG. 3 is a structural view of a lower steel skeleton according to an embodiment of the present invention;
fig. 4 is a structural view of an upper-layer reinforcement cage in the embodiment of the present invention;
FIG. 5 is a flow chart of a method of constructing a road slab according to an embodiment of the present invention.
In the figure, 100, a road plate; 110. hoisting holes; 120. hanging the ribs; 121. a bending section; 122. a bending section; 131. a first reinforcing bar; 132. a second reinforcing bar; 133. a third reinforcing bar; 134. a fourth reinforcing bar; 135. and (6) binding the steel bars.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
According to some embodiments of the present application, a road plate 100 is proposed, as shown in fig. 1, the road plate 100 is a rectangular parallelepiped concrete structure with high adaptability fixed dimensions, and in a specific embodiment of the present application, the size of the road plate 100 is 2M × 6M × 0.25M.
It should be noted that, in the prior art, the assembled road slab 100 is mostly used for formal highways, the slab width occupies the whole or half of the road (4.5M-12M), the slab thickness reaches about 300MM, tongue-and-groove mortises and tenons are connected between the slabs, generally, bidirectional prestress is adopted, the bearing capacity of the road slab is large, but the manufacturing cost is high, and the adaptability is poor, so that the road slab 100 is improved into a 2M 6M 0.25M structure, the size is reduced, the adaptability is improved, the tongue-and-groove mortises and bidirectional prestress are eliminated, the production cost is reduced, the flow of changing the road slab 100 is simple and convenient, and the changing efficiency is improved.
In some embodiments of the present application, as shown in fig. 1 and fig. 2, a hoisting hole 110 and a hanging rib 120 are further disposed on the road slab 100, the hoisting hole 110 is a hole structure extending inward on the surface of the road slab 100, a hanging rib 120 is further disposed inside the hoisting hole 110, and the hanging rib 120 is fixedly connected to a steel bar inside the road slab 100.
Each road plate 100 is provided with four hoisting holes 110 and four hanging ribs 120, the hoisting holes 110 correspond to the hanging ribs 120 one by one, and the four hoisting holes 110 and the four hanging ribs 120 are respectively arranged corresponding to four corners of the road plate 100.
In an embodiment of the present application, one side of the road plate 100 is 6 meters long, and is set as a long side, the other side of the road plate 100 is 2 meters short, and is set as a short side, wherein the distance from the axis of the lifting hole 110 to the long side is 0.04 meters, and the distance from the axis of the lifting hole to the short side is 1.24 meters, 4 holes with a diameter of 0.1 meter and a depth of 0.1 meter are formed on the upper surface of the road plate 100, and the holes are the lifting holes 110, and the holes meet the distance condition.
It should be noted that, through setting up lifting hole 110 and hanging muscle 120, can accomplish lifting by crane because of relying on the crane, remove, the process of relocating has promoted the mobility of road plate 100 greatly, the needs that road plate 100 was used many times, use many places are greatly satisfied, and set up lifting hole 110 and hanging muscle 120 into four, even distribution is on road plate 100 surface, improved the hoist and mount and made stability, at the whole process of road plate 100 repacking, make road plate 100 keep stable.
In some embodiments of the present application, as shown in fig. 2, the suspension bar 120 has a chevron structure, and has a bending portion 122 and a bending portion 121, the bending portion 122 is disposed between the two bending portions 121, the bending portion 121 is bent twice, and the length of each bending portion is 0.1 meter
The two ends of the middle bend are bent twice, the bending radius of the middle bend 122 part is 0.04 m, the bending radius of the bend 121 parts is 0.1 m, and the bending radius of the bend 122 is 0.04 m.
In some embodiments of the present application, the road slab 100 includes a plurality of reinforcing bars and reinforcing bars 135 inside, so that the reinforcing bars are crossed with each other to form a reinforcing bar skeleton, and a double-layered reinforcing bar skeleton is provided for increasing strength, wherein the crossed reinforcing bars are fixed by the reinforcing bars 135.
In one embodiment of the present application, the dimension of the road plate 100 is 2M × 6M × 0.25M, and 2M sides are set as short sides and 6M sides are set as long sides; and the road plate 100 is provided with protective layers with the length of 0.03 meter on both sides in the length, width and height directions; therefore, 4 kinds of reinforcing steel bars are selected, wherein the length of the first reinforcing steel bar 131 is 6.3 meters; a second rebar 132, 5.94 meters in length; a third reinforcing bar 133, having a length of 2.3 m; a fourth rebar 134, 1.94 meters in length; as shown in fig. 3, the first steel bar 131 is arranged along the long side direction, the third steel bar 133 is arranged along the short side direction, and the third steel bar 133 is attached to the lower side of the first steel bar 131, so as to form a steel bar framework of the lower layer, and simultaneously, both ends of the third steel bar 133 are respectively bent upwards by 0.18 meter; as shown in the fourth drawing, the second reinforcing bars 132 are arranged along the long sides, the fourth reinforcing bars 134 are arranged along the short sides, and the fourth reinforcing bars 134 are attached to the upper sides of the second reinforcing bars 132, so that the upper-layer steel reinforcement framework is formed.
In an embodiment of the present application, a plurality of similar reinforcing bars are arranged in an array, and the interval between the similar reinforcing bars is 0.15M, and 2M × 6M × 0.25M according to the size of the road slab 100, so that 14 reinforcing bars are provided for the first reinforcing bar 131, 14 reinforcing bars are provided for the second reinforcing bar 132, 40 reinforcing bars are provided for the third reinforcing bar 133, and 40 reinforcing bars are provided for the fourth reinforcing bar 134.
Between first reinforcing bar 131 of this application and third reinforcing bar 133, and all through reinforcement 135 fixed connection between second reinforcing bar 132 and the fourth reinforcing bar 134, the position about reinforcement 135 has a concrete embodiment, and the framework of steel reinforcement on every layer adopts the same ligature mode, and on the minor face direction, a reinforcing bar of interval, and carry out the stirrup with the mode of interval one or two reinforcing bars on the long edge direction to upper and lower layer reinforcing bar, the length of stirrup is 0.33 meters.
In some embodiments of the present application, as shown in fig. 5, a construction method of a road slab 100 is proposed:
s1: placing a bottom die, hardening the manufacturing site of the road board 100, fixedly installing the bottom die in the manufacturing site, assembling the bottom die by adopting a steel template, and polishing and brushing oil on the bottom die;
s2: binding the reinforcing steel bars 135, namely binding the reinforcing steel bars 135 at preset positions by using stirrups after arranging the reinforcing steel bars according to a preset installation sequence;
s3: embedding a lifting rib 120, embedding the lifting rib 120 at a preset position, and reserving a lifting hole 110;
s4: the method comprises the following steps that side molds are installed, the side molds are channel steel templates, the side molds are fixedly installed on a bottom mold and connected through split screws, the surfaces of the side molds need to be subjected to rust removal before the templates are used for the first time, then release agents are coated, when the templates are erected, the joints are checked, the joints are guaranteed to be tight and do not leak slurry, the inner molds are fixed by positioning stirrups, pressing blocks and the like, and the operation needs to be symmetrical and balanced, so that the rubber tubes are prevented from deviating and floating;
s5: pouring concrete, namely pouring the concrete with the strength of C30 into a template surrounded by a bottom die and side dies to form the shape of the road plate 100, wherein the slump of the concrete is kept in the range of 160 MM-180 MM, the concrete is not easy to pour when the slump is too small, and the concrete with too large slump is easy to separate to influence the quality;
s6: and (4) curing and removing the formwork, wherein after the concrete is poured, the concrete is wetted and cured to keep the concrete moist for 15 days, the moisture is continuously preserved for 75% of the designed strength, then the concrete is moved, stacked and installed, and after the strength of the road plate 100 reaches 2.5MPA, the formwork is removed.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The road plate is characterized in that the road plate is of a cuboid concrete structure with fixed size;
the road plate is provided with four hoisting holes and four hoisting ribs positioned inside the hoisting holes, and the four hoisting holes and the four hoisting ribs are distributed at positions corresponding to four corners of the road plate;
the road plate is internally provided with a plurality of reinforcing steel bars and a plurality of reinforcing steel bars which are distributed in a double-layer and intercrossing mode, and the reinforcing steel bars are bound and used for fixedly connecting the intercrossing reinforcing steel bars.
2. The roadway slab of claim 1, wherein the dimensions of the roadway slab are: 2m 6m 0.25 m.
3. The roadway slab of claim 2, wherein the rebar comprises a first rebar having a length of 6.3 meters; the length of the second steel bar is 5.94 meters; the third steel bar is 2.3 meters in length; the fourth steel bar is 1.94 meters in length; protective layers with the length of 0.03 meter are respectively arranged on two sides of the road board in the length, width and height directions; the steel bars form a double-layer steel bar framework, and the third steel bars and the fourth steel bars are arranged along the direction of 2m sides; the first steel bar and the second steel bar are arranged along the 6m side direction; the third steel bar is arranged below the first steel bar, and two ends of the third steel bar are respectively bent upwards for 0.18 m to form a lower-layer steel bar framework; the fourth reinforcing steel bar is arranged above the second reinforcing steel bar, and an upper-layer reinforcing steel bar framework is formed.
4. The road slab of claim 3, wherein the steel bars are spaced one by one in the direction of 2m sides of each layer, and the steel bars on the upper layer and the lower layer are bound by one or two steel bars in the direction of 6m of each layer, and the length of the stirrup is 0.33 m.
5. The roadway slab of claim 3, wherein the same type of rebar has a spacing of 0.15 meters, the first rebar is provided with 14, the second rebar is provided with 14, the third rebar is provided with 40, and the fourth rebar is provided with 40.
6. The road plate of claim 1, wherein the hanging rib comprises a bent portion and a curved portion, and the curved portion is disposed between the two bent portions. And the bending radius of the bending part is 0.04 meter, and the length and the height of the bending part are 0.1 meter.
7. The road slab of claim 2, wherein the lifting holes are 0.04 meters away from the 6-meter side and 1.24 meters away from the 2-meter side, and the diameter of the lifting holes is 0.1 meter and the depth of the lifting holes is 0.1 meter.
8. A construction method of a road plate, which is applied to the road plate of claims 1-7, and is characterized by comprising the following steps:
s1: placing a bottom die, hardening the manufacturing site of the road board, fixedly installing the bottom die on the manufacturing site, assembling the bottom die by adopting a steel template, and polishing and brushing oil on the bottom die;
s2: binding the steel bars, namely binding the steel bars at a preset position by using stirrups after arranging the steel bars according to a preset installation sequence;
s3: embedding a hanging bar, embedding the hanging bar at a preset position, and reserving a hoisting hole;
s4: mounting side molds, namely fixedly mounting the side molds on a bottom mold, and connecting the side molds by using split screws;
s5: pouring concrete, namely pouring the concrete into a template surrounded by the bottom die and the side die to form the shape of the road slab;
s6: and curing and stripping, namely after the concrete pouring is finished, moistening and curing the concrete to keep the concrete moist, and stripping after the strength of the road slab reaches 2.5 MPa.
9. The method for constructing a road slab as claimed in claim 8, wherein the concrete is subjected to wet curing, specifically:
before form removal, the concrete is moisturized for 15 days, and after the moisture reaches 75% of the designed strength, the concrete is transported, stacked and installed.
10. The method of constructing a road slab according to claim 8, wherein said concrete is cast using a concrete having a strength of C30.
CN202110034766.1A 2021-01-12 2021-01-12 Road board and construction method thereof Pending CN112853856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110034766.1A CN112853856A (en) 2021-01-12 2021-01-12 Road board and construction method thereof

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Application Number Priority Date Filing Date Title
CN202110034766.1A CN112853856A (en) 2021-01-12 2021-01-12 Road board and construction method thereof

Publications (1)

Publication Number Publication Date
CN112853856A true CN112853856A (en) 2021-05-28

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CN202110034766.1A Pending CN112853856A (en) 2021-01-12 2021-01-12 Road board and construction method thereof

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040063062A (en) * 2003-01-04 2004-07-12 이재복 Pavement Block Frame Type Foundation Framework
CN204000523U (en) * 2014-06-23 2014-12-10 北京博大经开建设有限公司 The prefabricated road surface of a kind of Novel reinforced concrete
CN105603843A (en) * 2015-12-30 2016-05-25 中国建筑第二工程局有限公司 Assembled reinforced concrete prefabricated pavement slab and construction method thereof
CN206800106U (en) * 2017-04-28 2017-12-26 中建科技湖南有限公司 A kind of assembled roads plate
CN108130837A (en) * 2017-12-05 2018-06-08 上海建工七建集团有限公司 A kind of prefabricated road plate and its construction method
US10340637B1 (en) * 2013-10-09 2019-07-02 Newpark Mats & Integrated Services Llc Electrically conductive support surface and related methods

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040063062A (en) * 2003-01-04 2004-07-12 이재복 Pavement Block Frame Type Foundation Framework
US10340637B1 (en) * 2013-10-09 2019-07-02 Newpark Mats & Integrated Services Llc Electrically conductive support surface and related methods
CN204000523U (en) * 2014-06-23 2014-12-10 北京博大经开建设有限公司 The prefabricated road surface of a kind of Novel reinforced concrete
CN105603843A (en) * 2015-12-30 2016-05-25 中国建筑第二工程局有限公司 Assembled reinforced concrete prefabricated pavement slab and construction method thereof
CN206800106U (en) * 2017-04-28 2017-12-26 中建科技湖南有限公司 A kind of assembled roads plate
CN108130837A (en) * 2017-12-05 2018-06-08 上海建工七建集团有限公司 A kind of prefabricated road plate and its construction method

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Application publication date: 20210528