CN210975404U - Composite assembled road surface board - Google Patents

Composite assembled road surface board Download PDF

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Publication number
CN210975404U
CN210975404U CN201921814357.8U CN201921814357U CN210975404U CN 210975404 U CN210975404 U CN 210975404U CN 201921814357 U CN201921814357 U CN 201921814357U CN 210975404 U CN210975404 U CN 210975404U
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China
Prior art keywords
cement concrete
concrete layer
angle steel
cast
place
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CN201921814357.8U
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Inventor
孙晓芳
宋卓
陈晶蕊
范旭东
曲利亚
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China State Construction Technology Changchun Co Ltd
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China State Construction Technology Changchun Co Ltd
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Abstract

The utility model relates to a composite assembly type road slab, which comprises precast slabs and connecting components, wherein cast-in-place areas are arranged between adjacent precast slabs and are connected through the connecting components; the prefabricated slab sequentially comprises an asphalt layer and a cement concrete layer from top to bottom, first angle steel is arranged at each corner of the upper surface of the cement concrete layer, a reinforcing steel bar extending to the center of the upper surface of the cement concrete layer is arranged at each corner of each first angle steel, a plurality of hanging pieces are equidistantly distributed on the upper surface of the cement concrete layer, and a plurality of through holes communicated with the hanging pieces are formed in the asphalt layer; the connecting assembly comprises a channel steel, a second angle steel and a high-strength bolt, the second angle steel is arranged on the side surface of the cement concrete layer, one end of the second angle steel is inserted into the cement concrete layer, and the other end of the second angle steel is fixedly connected with the side surface of the channel steel through the high-strength bolt; the cast-in-place area sequentially comprises a cast-in-place asphalt layer and a cast-in-place cement concrete layer from top to bottom. The utility model discloses can realize direct on-the-spot assembly, simple structure, construction cycle are short, repeatedly usable.

Description

Composite assembled road surface board
Technical Field
The utility model relates to a construction technical field especially relates to a compound assembled pavement slab.
Background
At present, the assembled reinforced concrete structure is one of the important directions of the development of the building structure in China, is beneficial to the development of the industrialization of the building in China, improves the production efficiency, saves energy, develops green and environment-friendly buildings, and is beneficial to improving and ensuring the quality of the building engineering. However, the application of precast concrete members in road traffic engineering is very rare, and cast-in-place concrete is generally adopted in the prior art.
The existing cast-in-place concrete laying has the following defects: 1. the construction period is long, the paving procedure is complex and tedious, and the application of emergency engineering is not facilitated. 2. The material waste is large, and the construction cost is increased. 3. A large amount of construction waste is easy to generate during construction, and the construction waste is not easy to protect the environment and can not be recycled.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can realize direct on-the-spot assembly, simple structure, construction cycle weak point, repeatedly usable's compound assembled pavement slab.
The utility model relates to a composite assembly type road slab, which comprises precast slabs and connecting components, wherein cast-in-place areas are arranged between the adjacent precast slabs and are connected through the connecting components;
the prefabricated slab sequentially comprises an asphalt layer and a cement concrete layer from top to bottom, first angle steel is arranged at each corner of the upper surface of the cement concrete layer, reinforcing steel bars extending to the center of the upper surface of the cement concrete layer are arranged at the corners of each first angle steel, a plurality of hanging pieces are equidistantly distributed on the upper surface of the cement concrete layer, and a plurality of through holes communicated with the hanging pieces are formed in the asphalt layer;
the connecting assembly comprises a channel steel, a second angle steel and a high-strength bolt, the second angle steel is arranged on the side surface of the cement concrete layer, one end of the second angle steel is inserted into the cement concrete layer, and the other end of the second angle steel is fixedly connected with the side surface of the channel steel through the high-strength bolt;
the cast-in-place area sequentially comprises a cast-in-place asphalt layer and a cast-in-place cement concrete layer from top to bottom.
Preferably, the upper part and the lower part of the cement concrete layer are both paved with reinforcing mesh sheets.
In any of the above embodiments, preferably, the lengths of the two side edges of the first angle steel are equal.
In any of the above schemes, preferably, the length of the side edge of the second angle iron inserted into the cement concrete layer is greater than the length of the side edge connected with the channel steel.
Preferably in any one of the above schemes, the reinforcing steel bar is provided with two, two the relative corner point symmetry setting of first angle steel of reinforcing steel bar, every the reinforcing steel bar includes straight limit portion, arc portion, the one end of straight limit portion is connected with the corner point of first angle steel, another tip arc portion of straight limit portion is connected, two the arc portion of reinforcing steel bar sets up relatively.
In any of the above embodiments, preferably, the hanging member is an embedded nut, a lower end of the embedded nut is disposed in the cement concrete layer, and an upper end of the embedded nut is disposed in the through hole.
In any of the above schemes, preferably, the cast-in-place asphalt layer is as high as the asphalt layer of the precast slab, and the cast-in-place cement concrete layer is as high as the cement concrete layer of the precast slab.
Compared with the prior art, the utility model has the advantages and beneficial effects do:
1. through adopting prefabricated plate and coupling assembling to assemble on-spot, assemble simple structure, the workman's equipment operation of being convenient for compares with current on-the-spot road surface of laying, avoids loaded down with trivial details construction process, shortens construction cycle, improves the efficiency of construction, is particularly suitable for some emergency engineering constructions. But also can be repeatedly used, is convenient and quick, and realizes the industrial production of the pavement engineering. The construction waste is relatively less, and the energy is saved and the environment is protected.
2. By reserving the cast-in-place areas between the adjacent prefabricated plates, the prefabricated plates are cast in place in the cast-in-place areas after being assembled, and the connection strength between the prefabricated plates is increased, so that the overall structural strength of the pavement slab is increased, and the service life of the pavement slab is prolonged.
3. The first angle steel and the steel bars are arranged on the upper surface of the cement concrete layer, so that the connection strength between the cement concrete layer and the asphalt layer is enhanced.
4. The hanging piece is arranged on the upper surface of the cement concrete layer, so that the prefabricated slab can be conveniently demolded, hoisted and transported after the prefabrication is completed.
The composite assembled pavement slab of the present invention will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a side view of the composite fabricated pavement slab of the present invention;
FIG. 2 is a top view of a cement concrete layer in the composite fabricated pavement slab of the present invention;
FIG. 3 is a view of the installation structure of the first angle steel and the steel bar in the composite fabricated pavement slab of the present invention;
wherein: 1. a cement concrete layer; 2. an asphalt layer; 3. channel steel; 4. a hanger; 5. a first angle steel; 6. a second angle steel; 7. reinforcing steel bars; 8. a cement concrete layer is cast in place; 9. pouring an asphalt layer in situ; 10. high-strength bolt.
Detailed Description
As shown in fig. 1-3, the utility model provides a composite assembly type road slab, which comprises precast slabs and connecting components, wherein cast-in-place areas are arranged between adjacent precast slabs and are connected through the connecting components; the prefabricated slab sequentially comprises an asphalt layer 2 and a cement concrete layer 1 from top to bottom, first angle steel 5 is arranged at each corner of the upper surface of the cement concrete layer 1, a reinforcing steel bar 7 extending towards the center of the upper surface of the cement concrete layer 1 is arranged at each corner of each first angle steel 5, a plurality of hanging pieces 4 are distributed on the upper surface of the cement concrete layer 1 at equal intervals, and a plurality of through holes communicated with the hanging pieces 4 are formed in the asphalt layer 2; the connecting assembly comprises a channel steel 3, a second angle steel 6 and a high-strength bolt 10, the second angle steel 6 is arranged on the side surface of the cement concrete layer 1, one end of the second angle steel 6 is inserted into the cement concrete layer 1, and the other end of the second angle steel 6 is fixedly connected with the side surface of the channel steel 3 through the high-strength bolt 10; the cast-in-place area sequentially comprises a cast-in-place asphalt layer 9 and a cast-in-place cement concrete layer 8 from top to bottom.
Further, reinforcing steel bars 7 are paved on the upper portion and the lower portion of the cement concrete layer 1. The setting of 7 net pieces of reinforcing bar increases cement concrete layer 1's structural strength, increases the basic unit intensity of pavement slab promptly to further guarantee the use rigidity and the intensity on road surface, increase of service life.
Further, the lengths of the two sides of the first angle steel 5 are equal.
Further, the length of the side edge of the second angle steel 6 inserted into the cement concrete layer 1 is greater than that of the side edge connected with the channel steel 3, so that the strength of the second angle steel 6 inserted into the cement concrete layer 1 is ensured, and the connection strength and the rigidity between two adjacent prefabricated plates are further improved.
Further, reinforcing bar 7 is equipped with two, and two reinforcing bar 7 are relative first angle steel 5's corner point symmetry setting, and every reinforcing bar 7 includes straight limit portion, arc portion, and the one end of straight limit portion and first angle steel 5's corner point welded connection, another tip arc portion welded connection of straight limit portion, two reinforcing bar 7's arc portion sets up relatively. The arc portion structural design of reinforcing bar 7 increases the power of grabbing on pitch layer 2 to improve the joint strength between cement concrete layer 1 and the pitch layer 2, and then strengthen the overall structure intensity on road surface.
Further, the hanging piece 4 is an embedded nut, the lower end of the embedded nut is arranged in the cement concrete layer 1, and the upper end of the embedded nut is arranged in the through hole.
Further, the cast-in-place asphalt layer 9 is as high as the asphalt layer 2 of the precast slab, and the cast-in-place cement concrete layer 8 is as high as the cement concrete layer 1 of the precast slab.
The concrete construction steps of the composite assembly type road slab of the embodiment are as follows:
the method comprises the following steps: and (5) processing the precast slab. Firstly, a cement concrete layer 1 is prefabricated, a first angle steel 5, a reinforcing steel bar 7, a hanging piece 4 and a second angle steel 6 are all pre-embedded on the upper surface of the cement concrete layer 1, then an asphalt layer 2 is laid on the upper surface of the cement concrete layer 1, and maintenance is carried out.
Step two: and hoisting the precast slabs. And hoisting the processed precast slabs to a construction site, and assembling the precast slabs on site according to the actual construction area.
Step three: and (6) assembling the precast slabs. And second angle steels 6 on two adjacent precast slabs are spliced and butted with the channel steel 3, and the second angle steels 6 are fixedly connected with the channel steel 3 through high-strength bolts 10.
Step four: and pouring a cast-in-place cement concrete layer 8 in a cast-in-place area between the assembled precast slabs, burying the channel steel 3, the second angle steel 6 and the high-strength bolt 10 in the cast-in-place cement concrete layer 8, paving a cast-in-place asphalt layer 9, maintaining the whole pavement, and finishing the field assembly of the composite fabricated pavement slab after the strength is reached.
The embodiment has the advantages and beneficial effects that:
1. through adopting prefabricated plate and coupling assembling to assemble on-spot, assemble simple structure, the workman's equipment operation of being convenient for compares with current on-the-spot road surface of laying, avoids loaded down with trivial details construction process, shortens construction cycle, improves the efficiency of construction, is particularly suitable for some emergency engineering constructions. But also can be repeatedly used, is convenient and quick, and realizes the industrial production of the pavement engineering.
2. By reserving the cast-in-place areas between the adjacent prefabricated plates, the prefabricated plates are cast in place in the cast-in-place areas after being assembled, and the connection strength between the prefabricated plates is increased, so that the overall structural strength of the pavement slab is increased, and the service life of the pavement slab is prolonged.
3. The first angle steel 5 and the steel bars 7 are arranged on the upper surface of the cement concrete layer 1, so that the connection strength between the cement concrete layer 1 and the asphalt layer 2 is enhanced.
4. The hanging piece 4 is arranged on the upper surface of the cement concrete layer 1, so that the prefabricated slab can be conveniently demolded, hoisted and transported after the prefabrication is completed.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (7)

1. The utility model provides a compound assembled pavement slab which characterized in that: the prefabricated slab cast-in-place structure comprises prefabricated slabs and connecting assemblies, wherein cast-in-place areas are arranged between every two adjacent prefabricated slabs and are connected through the connecting assemblies;
the prefabricated slab sequentially comprises an asphalt layer and a cement concrete layer from top to bottom, first angle steel is arranged at each corner of the upper surface of the cement concrete layer, reinforcing steel bars extending to the center of the upper surface of the cement concrete layer are arranged at the corners of each first angle steel, a plurality of hanging pieces are equidistantly distributed on the upper surface of the cement concrete layer, and a plurality of through holes communicated with the hanging pieces are formed in the asphalt layer;
the connecting assembly comprises a channel steel, a second angle steel and a high-strength bolt, the second angle steel is arranged on the side surface of the cement concrete layer, one end of the second angle steel is inserted into the cement concrete layer, and the other end of the second angle steel is fixedly connected with the side surface of the channel steel through the high-strength bolt;
the cast-in-place area sequentially comprises a cast-in-place asphalt layer and a cast-in-place cement concrete layer from top to bottom.
2. The composite fabricated pavement slab of claim 1, wherein: and reinforcing mesh sheets are laid on the upper part and the lower part of the cement concrete layer.
3. The composite fabricated pavement slab of claim 1, wherein: the lengths of two side edges of the first angle steel are equal.
4. The composite fabricated pavement slab of claim 1, wherein: the length of the side edge of the second angle steel inserted into the cement concrete layer is larger than that of the side edge connected with the channel steel.
5. The composite fabricated pavement slab of claim 1, wherein: the reinforcing bar is equipped with two, two the relative corner point symmetry of first angle steel of reinforcing bar sets up, every the reinforcing bar includes straight limit portion, arc portion, the one end of straight limit portion is connected with the corner point of first angle steel, another tip arc portion of straight limit portion connects, two the arc portion of reinforcing bar sets up relatively.
6. The composite fabricated pavement slab of claim 1, wherein: the hanging piece is designed as an embedded nut, the lower end of the embedded nut is arranged in the cement concrete layer, and the upper end of the embedded nut is arranged in the through hole.
7. The composite fabricated pavement slab of claim 1, wherein: the cast-in-place asphalt layer and the asphalt layer of the precast slab are as high as each other, and the cast-in-place cement concrete layer and the cement concrete layer of the precast slab are as high as each other.
CN201921814357.8U 2019-10-25 2019-10-25 Composite assembled road surface board Active CN210975404U (en)

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Application Number Priority Date Filing Date Title
CN201921814357.8U CN210975404U (en) 2019-10-25 2019-10-25 Composite assembled road surface board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921814357.8U CN210975404U (en) 2019-10-25 2019-10-25 Composite assembled road surface board

Publications (1)

Publication Number Publication Date
CN210975404U true CN210975404U (en) 2020-07-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112323561A (en) * 2020-11-09 2021-02-05 北京中景橙石科技股份有限公司 Spliced ecological artistic pavement for forming integral large plate and construction method thereof
CN112459388A (en) * 2020-11-10 2021-03-09 江苏泊朗智能科技有限公司 Car washer precast slab-based car washer station ground construction method
CN113047111A (en) * 2021-05-08 2021-06-29 中铁北京工程局集团有限公司 Airport runway angle steel assembled type pavement panel structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112323561A (en) * 2020-11-09 2021-02-05 北京中景橙石科技股份有限公司 Spliced ecological artistic pavement for forming integral large plate and construction method thereof
CN112323561B (en) * 2020-11-09 2022-02-08 北京中景橙石科技股份有限公司 Spliced ecological artistic pavement for forming integral large plate and construction method thereof
CN112459388A (en) * 2020-11-10 2021-03-09 江苏泊朗智能科技有限公司 Car washer precast slab-based car washer station ground construction method
CN113047111A (en) * 2021-05-08 2021-06-29 中铁北京工程局集团有限公司 Airport runway angle steel assembled type pavement panel structure

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