CN214882682U

CN214882682U - Antiskid precast concrete pavement plate

Info

Publication number: CN214882682U
Application number: CN202022783910.5U
Authority: CN
Inventors: 吴骞; 王少鹏
Original assignee: Shanghai Construction No 5 Group Co Ltd
Current assignee: Shanghai Construction No 5 Group Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-11-26
Anticipated expiration: 2030-11-27

Abstract

The utility model provides an antiskid precast concrete pavement plate and construction method belongs to construction technical field for solve northern hilly area, when the construction in winter and rain season, large tracts of land construction place precast concrete pavement sclerosis problem. It includes by lower supreme plain soil layer, the level that sets gradually and join in marriage gravel layer, precast concrete pavement board, erect muscle and the non slipping spur, erect muscle and non slipping spur crisscross setting, precast concrete pavement board is equipped with the layer of borduring all around, and precast concrete pavement board is equipped with the socket joint all around, and the socket joint is supporting to be equipped with the connecting block. By laying the anti-skid ribs above the precast concrete pavement slab, the requirement that the full-load steel bar transport vehicle and the full-load concrete transport vehicle run on the pavement with the maximum gradient of 6% can be met under the condition that the pavement is wet and slippery in winter and rainy seasons. Meanwhile, the turnover recycling is met, the using amount of concrete is reduced, pollution is reduced, and the requirement of green construction is met.

Description

Antiskid precast concrete pavement plate

Technical Field

The utility model relates to a construction technical field, concretely relates to antiskid precast concrete road plate.

Background

The existing precast concrete road is formed by sequentially laying a plurality of rectangular concrete plates, wherein each rectangular concrete plate is formed by pouring concrete and a double-layer bidirectional reinforcing mesh, the periphery of each rectangular concrete plate is wrapped by angle steel, and the angle steel is fixedly connected with the double-layer bidirectional reinforcing mesh. Through the application of prefabricated road plate, the loss that has reduced concrete placement and chiseled also be convenient for the transport in later stage simultaneously and deposit, has reached better green construction effect.

However, the existing precast concrete pavement slab is a plane and is mostly used for leveling a field. For construction projects in northern hilly lands, the height difference of the field is large, and particularly, the road surface is wet and slippery after rain and snow in winter, so that the driving requirement of heavy-duty vehicles cannot be met.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information is prior art that is known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antiskid precast concrete pavement plate, through additional reinforcing bar antiskid rib on to current precast concrete pavement board, still be equipped with the frame muscle between antiskid rib and the precast concrete pavement board, the setting of antiskid rib has increased the frictional force of precast concrete pavement board, and the effectual northern hilly area of having solved, when construction in winter and rain season, large tracts of land construction place precast concrete pavement sclerosis problem.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides an antiskid precast concrete pavement plate, includes by lower supreme plain soil layer, the level that sets gradually and join in marriage gravel layer and precast concrete pavement board, precast concrete pavement board includes slab reinforcement, erects muscle and anti-skidding muscle, erect the muscle with anti-skidding muscle vertically and horizontally staggered sets up, precast concrete pavement board is equipped with the layer of borduring all around, precast concrete pavement board is equipped with the socket joint all around, the supporting connecting block that is equipped with of socket joint.

Compared with the prior art, the utility model discloses profitable technological effect lies in:

1. the utility model provides an antiskid precast concrete pavement plate, include by lower supreme plain soil layer, the level that sets gradually and join in marriage gravel layer, precast concrete pavement slab, erect muscle and anti-skidding muscle, erect the muscle with anti-skidding muscle vertically and horizontally staggered sets up, precast concrete pavement slab is equipped with the layer of borduring all around, precast concrete pavement slab be equipped with the socket joint interface all around, the supporting connecting block that is equipped with of socket joint interface. By laying the anti-skid ribs above the precast concrete pavement slab, the problem of hardening of the precast concrete pavement in a large-area construction site in winter and rainy seasons in northern hilly areas is effectively solved. Under the condition that the road surface is wet and slippery in winter and rain, the requirements that the full-load steel bar transport vehicle and the full-load concrete transport vehicle run on the road surface with the maximum gradient of 6 percent can be met. Meanwhile, the turnover recycling is met, the use amount of concrete is reduced by 15%, the pollution is reduced, and the requirement of green construction is met.

2. The utility model provides a construction method of antiskid precast concrete pavement plate, it is easy and simple to handle, only need in original precast concrete pavement plate top weld in proper order erect muscle and antiskid muscle can, erect muscle and antiskid muscle vertically and horizontally staggered setting.

Furthermore, four corners of the precast concrete pavement slab are also provided with hoisting holes. Through the hoisting hole, the crane can hoist precast concrete pavement slab.

Furthermore, the edge covering layer is made of angle steel, the angle steel is arranged around the precast concrete pavement slab, and the precast concrete pavement slab is covered around the angle steel.

Furthermore, the plate steel bars of the precast concrete pavement slab are arranged in a double-layer and bidirectional mode.

Furthermore, in order to ensure that the height of the anti-skid ribs exposed out of the surface of the precast concrete pavement slab meets the anti-skid requirement, the thickness of the protective layer of the precast concrete slab needs to be determined to be 15mm, and the thicknesses of the graded sandstone layer and the plain soil layer are both 150 mm.

Drawings

Fig. 1 is a plan view of an anti-skid precast concrete pavement slab according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line 1-1 of FIG. 1;

FIG. 3 is a cross-sectional view taken along line 2-2 of FIG. 1;

fig. 4 is a perspective view of a socket joint of an anti-skid precast concrete pavement slab according to an embodiment of the present invention;

fig. 5 is a schematic view of a connecting block of the anti-skid precast concrete pavement slab according to an embodiment of the present invention. In the figure:

2-erecting ribs; 3-anti-skid ribs; 4-edge covering layer; 5-spigot-and-socket joint; 6-hoisting holes; 7-plate reinforcing steel bars.

Detailed Description

The anti-skid precast concrete pavement slab provided by the invention is further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention. For convenience of description, the directions of "up" and "down" in the following description are the same as the directions of "up" and "down" in the drawings, but this should not be construed as limiting the technical solution of the present invention.

Example one

The following describes the structural composition of the anti-skid precast concrete pavement slab of the present invention in detail with reference to fig. 1 to 5.

Referring to fig. 1 to 5, an anti-skid precast concrete pavement slab includes a plain soil layer, a graded gravel layer, a precast concrete pavement slab, a vertical rib 2 and an anti-skid rib 3, which are sequentially disposed from bottom to top, wherein the vertical rib 2 and the anti-skid rib 3 are criss-cross disposed, a surrounding layer 4 is disposed around the precast concrete pavement slab, a socket joint 5 is disposed around the precast concrete pavement slab, and a connecting block is disposed in cooperation with the socket joint 5.

Through additional reinforcing bar antiskid ribbed tile 3 on to current precast concrete pavement slab, the frictional force of increase precast concrete pavement slab face. In the process of manufacturing the precast concrete pavement slab, firstly, 4 reinforcing steel bars with the diameter of 10mm are placed on the original double-layer bidirectional slab reinforcing steel bar 7 reinforcing steel bar net along the length direction of the precast concrete pavement slab, the distance is 400mm, the reinforcing steel bars are symmetrically arranged according to the central line of the length direction of the precast concrete pavement slab, and the reinforcing steel bars are firmly welded with the short-direction reinforcing steel bars on the slab reinforcing steel bar 7 reinforcing steel bar net to serve as the erection bars 2 of the antiskid ribs 3; then 9 reinforcing bars with the diameter of 10mm are placed above the vertical ribs 2, the short edges of the plates are arranged at the interval of 300mm, and the reinforcing bars are firmly welded with the vertical ribs 2 to serve as anti-skid ribs 3. Meanwhile, in order to ensure that the height of the anti-skid ribs 3 exposed out of the slab surface of the precast concrete pavement slab meets the anti-skid requirement, the thickness of the protective layer of the precast concrete pavement slab is determined to be 15mm, namely after a layer of erection ribs 2 with the diameter of 10mm and a layer of anti-skid ribs 3 with the diameter of 10mm are additionally arranged on the slab steel bar 7 reinforcing mesh, the anti-skid ribs 3 are exposed out of the concrete surface of the precast concrete pavement slab by 5-7 mm. Therefore, firm connection between the anti-skid ribs 3 and the precast concrete pavement slab is guaranteed, the service life is prolonged, the anti-skid effect can be met, and the jolt feeling is small.

In order to enable the adjacent precast concrete pavement slabs to be connected into a whole and improve the integrity and stability of the hardened pavement, the socket joints 5 are arranged around the precast concrete pavement slabs, and the connecting blocks are inserted into the socket joints 5 to realize quick connection, so that the construction progress of pavement laying and the connection reliability of the two precast concrete pavement slabs are ensured.

With continuing reference to fig. 1 to 5, the present invention further provides a construction method of the anti-skid precast concrete pavement slab, including:

step S1, before road surface construction, filling and tamping a road area to be paved with plain soil to form a plain soil layer;

s2, paving graded sand and stone above the plain soil layer to form a graded sand and stone layer;

step S3, hoisting a plurality of precast concrete road panels to a construction site by a crane, laying the long edges of the precast concrete road panels along the road direction, and placing 4 precast concrete road panels in each row;

s4, 4 erection bars are placed in the length direction of each precast concrete pavement slab in a through manner, the distance between every two adjacent erection bars 2 is 400mm, the erection bars 2 are symmetrically arranged according to the center line of the precast concrete pavement slab in the length direction, and the erection bars 2 are welded with reinforcing mesh upper short-direction reinforcing steel bars of the precast concrete pavement slab;

and S5, placing 9 anti-skid ribs 3 above the vertical ribs 2, arranging the anti-skid ribs 3 at intervals of 300mm from the edges of the short sides of the precast concrete pavement slab, and welding and fixing the anti-skid ribs 3 and the vertical ribs 2.

By laying the anti-skid precast concrete pavement slab, the problem of hardening of the precast concrete pavement in a large-area construction site in winter and rainy seasons in northern hilly areas is effectively solved. Under the condition that the road surface is wet and smooth in winter and rainy seasons, the requirements that a full-load steel bar carrier (the weight of the whole truck is 70 tons) and a full-load concrete carrier (the weight of the whole truck is 35 tons) run on the road surface with the maximum gradient of 6% can be met. Meanwhile, the turnover recycling is also met, the use amount of concrete is reduced by 15%, the pollution is reduced, and the requirement of green construction is met.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention in any way. Any changes and modifications of the above disclosure by those skilled in the art are within the scope of the appended claims.

Claims

1. The anti-skid precast concrete pavement plate is characterized by comprising a plain soil layer, a graded sandstone layer, a precast concrete pavement slab, a standing rib and an anti-skid rib which are sequentially arranged from bottom to top, wherein the standing rib and the anti-skid rib are arranged in a criss-cross mode, the periphery of the precast concrete pavement slab is provided with a binding layer, the periphery of the precast concrete pavement slab is provided with socket connectors, and the socket connectors are matched with connecting blocks.

2. The antiskid precast concrete pavement slab of claim 1, wherein the precast concrete pavement slab is further provided with lifting holes at four corners.

3. The antiskid precast concrete pavement slab of claim 1, wherein the binding layer is made of angle steel, and the angle steel is disposed around the precast concrete pavement slab to cover the periphery of the precast concrete pavement slab.

4. The antiskid precast concrete pavement slab of claim 1, wherein the slab reinforcing bars of the precast concrete pavement slab are arranged in two-layer and two-way.

5. The non-slip precast concrete pavement slab of claim 1, wherein the thickness of each of the graded sandstone layer and the plain soil layer is 150 mm.