CN209890987U

CN209890987U - Assembled precast concrete pavement slab

Info

Publication number: CN209890987U
Application number: CN201920686191.XU
Authority: CN
Inventors: 刘参参
Original assignee: Shanghai Baoye Group Corp Ltd
Current assignee: Baoye Yonglian Jiangsu Construction Technology Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-03
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses an assembly type precast concrete pavement slab, which comprises a pavement slab body, a reinforcing steel bar net rack positioned in the pavement slab body and a connecting plate, a plurality of grooves are arranged at the edge of the upper surface of the road deck body, embedded parts matched with the connecting plates are arranged in the grooves, the side surface of the pavement slab body is provided with hoisting holes which run through the pavement slab and are used for hoisting, the hoisting holes are round steel tubes which run through the pavement slab, the utility model has simple structure, convenient and practical operation, can be used in a turnover way, is green and energy-saving, the arrangement of the embedded parts is combined with the matched connecting plate to realize the connection of a plurality of unit plates, the arrangement of the hoisting holes realizes the hoisting of the unit plates, and the shaped production can be realized, the steel plate is manufactured according to the requirements of a construction site, the requirements of the size and the bearing capacity of the construction site are met, and the steel plate can be used for other projects after being used, so that the steel plate is energy-saving and environment-friendly.

Description

Assembled precast concrete pavement slab

Technical Field

The utility model relates to a road engineering technique, concretely relates to assembled precast concrete pavement slab.

Background

Building industrialization is the development direction of the building industry in China, and in order to ensure the quality and the function of various building final products, optimize the industrial structure, accelerate the construction speed, improve the labor conditions and the labor productivity, the industrialization can lead the building industry to go to a quality benefit type road; in the construction of building engineering, temporary sites such as office living areas, construction sidewalks, stockyard and precast yard are usually hardened by pouring concrete once according to the standard "construction safety inspection standard" JGJ59-2011 and "construction site environment and sanitation standard"

The JGJ146-2004 specifies that 'main roads of a construction site and the ground of a material processing area should be hardened', the traditional construction site road is formed by pouring C15 or C20 concrete, the ordinary cement is slow in setting and hardening and long in strength development time, the ordinary cement generally needs to be maintained in a closed state for 14 days until the strength of the concrete reaches more than 80% of the designed strength, so that traffic can be opened, and the construction period is delayed.

Therefore, the assembled temporary road plate is convenient to produce and process, can be used in a turnover mode, and is a technical problem worthy of research.

Disclosure of Invention

In order to solve the defects existing in the prior art, the utility model provides a simple structure can have enough to meet the need assembled precast concrete pavement slab of use.

The purpose of the utility model is realized like this:

the utility model provides an assembled precast concrete pavement slab, includes the pavement slab body and is located this internal reinforcing bar rack of pavement slab still including being used for connecting two the connecting plate of pavement slab body, the edge of pavement slab body upper surface is equipped with a plurality of recesses, be equipped with in the recess with connecting plate complex built-in fitting, the built-in fitting is including being located diaphragm in the recess, being located the diaphragm bottom just is located inside rib pressing of reinforcing bar rack with be located through-hole on the diaphragm, be equipped with on the connecting plate and be used for making many bar holes are worn to the diaphragm, and the connecting plate is located the below of through-hole, be equipped with the fixed block that is used for fixed connection board in the through-hole, the side of pavement slab body is equipped with the hole for hoist that runs through in the pavement slab and be used for the hoist and mount, the hole for the round steel tube that runs.

The reinforcing bar rack sets up the bilayer, the reinforcing bar diameter of reinforcing bar rack is 10mm, and the distance between the adjacent reinforcing bar is 300 mm.

Reinforcing ribs are arranged around the hoisting holes, and the diameter of the reinforcing steel bars of the reinforcing ribs is 12 mm.

Eight edges of the pavement slab body are provided with protective edges.

The connecting plate include first connecting plate, with second connecting plate that first connecting plate one end is connected, with the third connecting plate that the second connecting plate other end is connected, first connecting plate with all be equipped with the bar hole on the third connecting plate, just the width of second connecting plate is less than the width of first connecting plate and third connecting plate.

The front edge and the rear edge of the upper surface of the road slab body are both provided with at least two grooves, and the left edge and the right edge of the upper surface of the road slab body are both provided with at least one groove.

The length of pavement slab body is 3000mm, the width of pavement slab body is 1500 mm.

Has the positive and beneficial effects that: the utility model discloses simple structure, convenient operation, practicality, can the turnover use, green energy-conservation, the setting of built-in fitting combines the connection that supporting connecting plate realized a plurality of cell boards, and the setting of hole for hoist realizes that the cell board hoists, and the production of can regularizing satisfies job site size and bearing capacity requirement according to the manufacture of job site demand, can be used to other projects after the use, and is energy-concerving and environment-protective.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a schematic structural view of the reinforcing steel bar net rack of the present invention;

FIG. 4 is a schematic structural view of the embedded part of the present invention;

FIG. 5 is a schematic structural view of the connecting plate of the present invention;

FIG. 6 is a schematic view of the structure of the connection plate and the embedded part;

FIG. 7 is a top view of FIG. 6;

in the figure, the following steps are carried out: road surface board body 1, reinforcing bar rack 2, recess 3, built-in fitting 4, hole for hoist 5, strengthening rib 6, safe edge 7, diaphragm 8, through-hole 9, pressure muscle 10, connecting plate 11, first connecting plate 12, second connecting plate 13, third connecting plate 14, bar hole 15, fixed block 16, apron 17.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1 to 7, an assembled precast concrete pavement slab comprises a pavement slab body 1 and a reinforcing steel bar net rack 2 positioned in the pavement slab body 1, wherein the length of the pavement slab body 1 is 3000mm, the width of the pavement slab body 1 is 1500mm, the reinforcing steel bar net rack 2 is double-layered, the diameter of the reinforcing steel bars of the reinforcing steel bar net rack 2 is 10mm, the distance between adjacent reinforcing steel bars is 300mm, a plurality of grooves 3 are arranged at the edge of the upper surface of the pavement slab body 1, two grooves 3 are arranged at the front edge and the rear edge of the upper surface of the pavement slab body 1, one groove 3 is arranged at the left edge and the right edge of the upper surface of the pavement slab body 1, the grooves 3 are of a convex type, the size convenient for being close to the pavement slab body 1 is smaller than the size far away from the pavement slab body 1, and a connecting plate 11 for connecting the two pavement slab bodies 1 is further included, an embedded part 4 matched with the connecting plate 11 is arranged in the groove 3, the embedded part 4 comprises a transverse plate 8 positioned in the groove 3, a press rib 10 positioned at the bottom of the transverse plate 8 and positioned in the reinforcing steel bar net rack 2 and a through hole 9 positioned on the transverse plate 8, the press rib 10 is welded in the reinforcing steel bar net rack 2, the bottom of the transverse plate 8 is embedded in the pavement slab body 1, the connecting plate 11 is provided with a strip-shaped hole 15 for enabling the transverse plate 8 to penetrate a plurality of, the connecting plate 11 comprises a first connecting plate 12, a second connecting plate 13 connected with one end of the first connecting plate 12 and a third connecting plate 14 connected with the other end of the second connecting plate 13, the first connecting plate 12 and the third connecting plate 14 are both provided with the strip-shaped hole 15, and the width of the second connecting plate 13 is smaller than the widths of the first connecting plate 12 and the third connecting plate 14, namely, the connecting plate 11 is in an I shape, the method is characterized in that a strip-shaped hole 15 on a first connecting plate 12 is sleeved on the periphery of a transverse plate 8, the first connecting plate 12 is positioned below a through hole 9, a fixed block 16 for fixing a connecting plate 11 is arranged in the through hole 9, the fixed hole 16 is inserted into the through hole 9 to limit the first connecting plate 12 to move up and down, then a strip-shaped hole 15 of a third connecting plate 14 is sleeved on the periphery of the transverse plate 8 of another pavement slab body 1, so that the two pavement slab bodies 1 are connected firmly, the operation is simple, a cover plate 17 is arranged on a groove 3, the cross section of the cover plate 17 is in an inverted U shape, the cover plate 17 covers the connecting plate 11 and an embedded part 4, the upper surface of the cover plate 17 is flush with the upper surface of the pavement slab body 1, hoisting holes 5 which penetrate through the pavement slab and are used for hoisting are arranged on the side surface of the pavement slab body 1, the hoisting holes 5 are two, namely, first hole for hoist is 600mm from the left end distance of pavement slab body 1, and second hole for hoist is 600mm from the distance of pavement slab body 1, hole for hoist 5 is for running through in the circular steel tube of pavement slab, and the diameter of circular steel tube is 40mm, hole for hoist 5 is equipped with strengthening rib 6 all around, the reinforcing bar diameter of strengthening rib 6 is 12mm, and hole for hoist 5 is convenient for hoist pavement slab body 1, the pavement slab body 1 of being convenient for lay and connect.

Eight edges of the pavement slab body 1 are provided with protective edges 7, and the protective edges 7 are angle steels of 40x 40.

The prefabricated concrete block can be processed and manufactured, and can be immediately hoisted after being maintained to reach the strength, so that time and labor are saved, the construction period is saved, the safety is improved, the plate is excessively displaced or partially cracked in the use process, and the self-processing hanging bracket can be adopted for replacement and correction, so that the prefabricated concrete block is convenient and quick; when the project is finished or other methods are carried out on the ground surface layer, hoisting and recycling can be carried out later, the local small-sized component can be applied to the door and window lintel of the masonry project, other components can be transported to the next project or transported to a designated warehouse for storage, and the method is flexible and reliable.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an assembled precast concrete pavement slab, includes the pavement slab body and is located this internal reinforcing bar rack of pavement slab, its characterized in that: still including being used for connecting two the connecting plate of pavement slab body, the edge of pavement slab body upper surface is equipped with a plurality of recesses, be equipped with in the recess with connecting plate complex built-in fitting, the built-in fitting is including being located diaphragm in the recess, being located the diaphragm bottom just is located inside ribbing of reinforcing bar rack and being located through-hole on the diaphragm, be equipped with on the connecting plate and be used for making many bar holes are worn to the diaphragm, and the connecting plate is located the below of through-hole, be equipped with the fixed block that is used for fixed connection board in the through-hole, the side of pavement slab body is equipped with the hole for hoist that runs through in the pavement slab body and be used for the hoist and mount, the hole for hoist and mount is for running through the.

2. The fabricated precast concrete pavement slab of claim 1, wherein: the reinforcing bar rack sets up the bilayer, the reinforcing bar diameter of reinforcing bar rack is 10mm, and the distance between the adjacent reinforcing bar is 300 mm.

3. The fabricated precast concrete pavement slab of claim 1, wherein: reinforcing ribs are arranged around the hoisting holes, and the diameter of the reinforcing steel bars of the reinforcing ribs is 12 mm.

4. The fabricated precast concrete pavement slab of claim 1, wherein: eight edges of the pavement slab body are provided with protective edges.

5. The fabricated precast concrete pavement slab of claim 1, wherein: the connecting plate include first connecting plate, with second connecting plate that first connecting plate one end is connected, with the third connecting plate that the second connecting plate other end is connected, first connecting plate with all be equipped with the bar hole on the third connecting plate, just the width of second connecting plate is less than the width of first connecting plate and third connecting plate.

6. The fabricated precast concrete pavement slab of claim 1, wherein: the front edge and the rear edge of the upper surface of the road slab body are both provided with at least two grooves, and the left edge and the right edge of the upper surface of the road slab body are both provided with at least one groove.

7. The fabricated precast concrete pavement slab of claim 6, wherein: and a cover plate is arranged on the groove.

8. The fabricated precast concrete pavement slab of claim 6, wherein: the length of pavement slab body is 3000mm, the width of pavement slab body is 1500 mm.