CN111501463A - Anti-cracking fabricated concrete pavement and construction method thereof - Google Patents
Anti-cracking fabricated concrete pavement and construction method thereof Download PDFInfo
- Publication number
- CN111501463A CN111501463A CN202010460952.7A CN202010460952A CN111501463A CN 111501463 A CN111501463 A CN 111501463A CN 202010460952 A CN202010460952 A CN 202010460952A CN 111501463 A CN111501463 A CN 111501463A
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- concrete
- crack
- prefabricated
- pavement
- concrete pavement
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- 238000005336 cracking Methods 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 title abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 239000002344 surface layer Substances 0.000 claims abstract description 9
- 210000003205 muscle Anatomy 0.000 claims description 12
- 239000010426 asphalt Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/06—Methods of making joints
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/16—Reinforcements
- E01C11/18—Reinforcements for cement concrete pavings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses an anti-cracking assembled concrete pavement and a construction method thereof, wherein the concrete pavement comprises an assembled concrete base layer and a surface layer above the assembled concrete base layer, the assembled concrete base layer comprises a reinforcing mesh and a plurality of prefabricated components spliced together, boss structures are arranged on the peripheries of the prefabricated components, groove-shaped cavities are formed at the splicing positions of bosses of two adjacent prefabricated components, the reinforcing mesh comprises a plurality of transverse ribs extending transversely and longitudinal ribs extending longitudinally, and the transverse ribs and the longitudinal ribs are arranged along the groove-shaped cavities and cast in the groove-shaped cavities through concrete. The construction method comprises the steps that a, prefabricated parts are spliced to prepare an assembled concrete base layer; b. and paving a pavement surface layer. The anti-cracking fabricated concrete pavement disclosed by the invention is reasonable in structural design, capable of reducing the cracking hidden danger of prefabricated parts, capable of improving the engineering quality, simple in construction method and suitable for large-scale popularization.
Description
Technical Field
The invention relates to a concrete pavement construction technology, in particular to an anti-cracking fabricated concrete pavement and a construction method thereof.
Background
In the whole fabricated pavement structure, the joint is the weakest place, and the load transfer capability of load transfer by aggregate interlocking directly influences the service performance of the pavement structure. The existence of the cracks can also lead rainwater on the road surface to infiltrate into the road subgrade through the cracks, thus greatly weakening the strength and stability of the subgrade. In the prior art, repair and maintenance work is usually carried out after a crack disaster occurs, or a prefabricated part is connected by filling a gap by grouting at the gap of a prefabricated plate, so that the improvement on the cohesiveness of the prefabricated part is limited, the crack phenomenon is easy to occur, the service performance is directly influenced, water enters a road bed, the strength and the stability are greatly weakened, manpower and material resources are consumed, and local traffic is influenced. Therefore, solving the problem of the pavement cracking of the prefabricated roads is a problem that must be faced in developing fabricated roads.
Disclosure of Invention
The invention aims to provide an anti-cracking fabricated concrete pavement and a construction method thereof, which replace the traditional concrete pavement, reduce the hidden danger of cracking of prefabricated parts and improve the engineering quality.
In order to achieve the purpose, the concrete pavement adopts the following technical scheme:
the utility model provides a prevent assembled concrete pavement that ftractures, including assembled concrete basic unit and with the superficial layer of assembled concrete basic unit top, assembled concrete basic unit includes reinforcing bar net piece and a plurality of prefabricated component of concatenation together, the prefabricated component periphery is equipped with the boss structure, the boss of two adjacent prefabricated components is spliced mutually and is located to form the flute profile cavity, reinforcing bar net piece includes horizontal muscle and the vertical muscle of a plurality of longitudinal extension of a plurality of horizontal extensions, horizontal muscle and vertical muscle are along flute profile cavity setting and through concrete placement in the flute profile cavity.
Compared with the prior art, the concrete pavement adopting the technical scheme has the beneficial effects that: set up the reinforcing bar net piece and pour the concrete through the concatenation department at two adjacent prefabricated component, structural design is reasonable, reduces the crack between the prefabricated component, avoids the hidden danger of basic unit infiltration, increases the stability of assembled road, greatly reduced the produced expense of later maintenance.
Further, the transverse ribs and the longitudinal ribs are respectively arranged on one side of the groove-shaped cavity close to one of the prefabricated parts.
Furthermore, the lap joint of the transverse rib and the transverse rib, the lap joint of the longitudinal rib and the cross joint of the transverse rib and the longitudinal rib are respectively connected through binding.
Furthermore, the edge of each boss is provided with a semicircular notch, the semicircular notches on the adjacent bosses form a circular hole together, and concrete is poured in the circular hole.
Furthermore, high-molecular anti-cracking paste is pasted on the upper surface of the concrete at the splicing part of the adjacent prefabricated parts.
Furthermore, the width of one side of the high polymer anti-crack adhesive lap joint prefabricated part is not less than 5 cm.
Further, the surface layer is laid by asphalt or concrete.
The construction method adopts the following technical scheme:
the construction method of the anti-cracking fabricated concrete pavement comprises the following steps:
a. the prefabricated components are transversely and longitudinally arranged for splicing, a groove-shaped cavity is formed at the splicing position of the adjacent prefabricated components, the transverse ribs and the longitudinal ribs are arranged along the groove-shaped cavity and are bound and connected to form a reinforcing mesh sheet, the reinforcing mesh sheet is poured into the groove-shaped cavity through concrete, and after the concrete curing is finished, the fabricated concrete base layer is obtained;
b. and cleaning the upper surface of the concrete to enable the concrete to be dry and tidy, and paving asphalt on the upper surface of the whole fabricated concrete base layer or performing secondary concrete pouring to form a surface layer of the pavement.
Further, step b comprises: after the upper surface of the concrete is cleaned, firstly, a high-molecular anti-cracking paste is pasted on the upper surface of the concrete at the splicing position of the adjacent prefabricated parts, and then asphalt is paved on the upper surface of the whole assembled concrete base layer or secondary concrete pouring is carried out.
Furthermore, the width of one side of the high polymer anti-crack adhesive lap joint prefabricated part is not less than 5 cm.
Further, in the step a, the transverse ribs and the longitudinal ribs are respectively arranged on one side of the groove-shaped cavity close to one of the prefabricated parts.
Compared with the prior art, the method adopting the technical scheme has the beneficial effects that: the method is simple and easy to implement, high in efficiency, low in cost, capable of remarkably improving the construction quality and suitable for large-scale popularization.
Drawings
FIG. 1 is a schematic plane structure diagram of the fabricated concrete base layer splicing position before concrete pouring in the embodiment of the invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a structural schematic diagram of a macromolecule anti-crack sticker stuck to the spliced position of the prefabricated part after concrete is poured in the embodiment of the invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1 and 2, the anti-cracking fabricated concrete pavement comprises a fabricated concrete base layer and a surface layer above the fabricated concrete base layer, wherein the fabricated concrete base layer comprises a reinforcing mesh and a plurality of prefabricated components 1 spliced together, bosses 1-1 are arranged on the periphery of the prefabricated components 1, groove-shaped cavities 2 are formed at the splicing positions of the bosses 1-1 of two adjacent prefabricated components, the reinforcing mesh comprises a plurality of transverse ribs 3 extending transversely and a plurality of longitudinal ribs 4 extending longitudinally, and the transverse ribs 3 and the longitudinal ribs 4 are arranged along the groove-shaped cavities 2 and are poured in the groove-shaped cavities through concrete. The transverse bars 3 and the longitudinal bars 4 adopt ribbed steel bars with the diameter of 10 mm.
Preferably, horizontal muscle 3 and vertical muscle 4 set up respectively in flute profile cavity 2 and are close to one of them prefabricated component 1 one side to avoid horizontal muscle 3 and vertical muscle 4 to be in the seam position of adjacent prefabricated component 1 concatenation department just, lead to concatenation department stability to worsen, easy fracture.
The lap joint of the transverse bar 3 and the transverse bar 3, the lap joint of the longitudinal bar 4 and the cross joint of the transverse bar 3 and the longitudinal bar 4 are respectively connected through binding, so that a stable reinforcing mesh sheet is formed.
The edge of the boss 1-1 is provided with semicircular notches 1-2, the semicircular notches 1-2 of adjacent bosses jointly form a circular hole, concrete is poured in the circular hole, preferably, the number of the semicircular notches is multiple, the semicircular notches 1-2 of corresponding positions on the adjacent bosses form multiple circular holes, and the concrete is poured in the circular holes, so that the stability of the splicing part of adjacent prefabricated parts is further enhanced, and the prefabricated parts are prevented from cracking.
Optionally, the surface layer is laid with asphalt or concrete.
In order to further enhance the stability of the splicing position of the prefabricated parts 1 and prevent the splicing position from cracking and water seepage, as shown in fig. 3, on the basis of the scheme of the above embodiment, in another embodiment of the present invention, a polymer anti-crack sticker 5 is stuck on the upper surface of the concrete at the splicing position of the adjacent prefabricated parts 1, and the width of the polymer anti-crack sticker 5 on the side where the prefabricated parts 1 are lapped is not less than 5 cm.
The construction method of the anti-cracking fabricated concrete pavement is explained as follows:
a. the prefabricated components 1 are transversely and longitudinally arranged and spliced, groove-shaped cavities 2 are formed at the splicing positions of the adjacent prefabricated components 1, transverse ribs 3 and longitudinal ribs 4 are arranged along the groove-shaped cavities 2 and are bound and connected to form reinforcing mesh sheets, the reinforcing mesh sheets are poured into the groove-shaped cavities 2 through concrete, and after concrete curing is completed, the assembled concrete base layer is obtained.
b. And cleaning the upper surface of the concrete to enable the concrete to be dry and tidy, and paving asphalt on the upper surface of the whole fabricated concrete base layer or performing secondary concrete pouring to form a surface layer of the pavement.
Step b further comprises: after the upper surface of the concrete is cleaned, firstly, the polymer anti-cracking paste 5 is pasted on the upper surface of the concrete at the splicing position of the adjacent prefabricated parts 1, and then asphalt is paved on the upper surface of the whole fabricated concrete base layer or secondary concrete pouring is carried out. The width of the macromolecule anti-crack sticker 5 on one side of the lap joint prefabricated part 1 is not less than 5 cm.
In the step a, the transverse ribs 3 and the longitudinal ribs 4 are respectively arranged on one side of the groove-shaped cavity 2 close to one prefabricated part 1. It is worth noting that the lap joint of the transverse rib 3 and the lap joint of the longitudinal rib 4 and the longitudinal rib 4 are arranged at positions except for the joint seam, so that the stability of the splicing part is prevented from being influenced.
In the step a, the concrete fills the whole groove-shaped cavity 2 and the round hole at the bottom of the groove-shaped cavity 2, so that the connection at the splicing part is more stable and is not easy to crack.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (11)
1. The utility model provides a prevent assembled concrete pavement that ftractures, superficial layer including assembled concrete basic unit and assembled concrete basic unit top, a serial communication port, assembled concrete basic unit includes reinforcing bar net piece and a plurality of prefabricated component of concatenation together, the prefabricated component periphery is equipped with the boss structure, the boss of two adjacent prefabricated components is spliced mutually and is located to form the flute profile cavity, reinforcing bar net piece includes horizontal muscle and the vertical muscle of a plurality of longitudinal extension of a plurality of horizontal extensions, horizontal muscle with indulge the muscle along the flute profile cavity setting and through concrete placement in the flute profile cavity.
2. The crack-resistant fabricated concrete pavement as claimed in claim 1, wherein the transverse ribs and the longitudinal ribs are respectively disposed in the channel-shaped cavities on a side close to one of the prefabricated members.
3. The crack-resistant fabricated concrete pavement according to claim 1 or 2, wherein the joints of the transverse bars and the transverse bars, the joints of the longitudinal bars and the joints of the transverse bars and the longitudinal bars are connected by binding respectively.
4. The crack-resistant assembled concrete pavement according to claim 1, wherein the edges of the bosses are provided with semicircular notches, and the semicircular notches of adjacent bosses form a circular hole together, and concrete is poured into the circular hole.
5. The crack-resistant fabricated concrete pavement according to claim 1, wherein the concrete upper surface at the joint of the adjacent prefabricated components is adhered with a high-molecular crack-resistant paste.
6. The crack-resistant fabricated concrete pavement according to claim 5, wherein the width of one side of the high-molecular crack-resistant lap prefabricated part is not less than 5 cm.
7. The crack-resistant fabricated concrete pavement according to claim 1, wherein the surface layer is laid by asphalt or concrete.
8. A method of constructing a crack resistant fabricated concrete pavement as claimed in any one of claims 1 to 7, which comprises the steps of:
a. the prefabricated components are transversely and longitudinally arranged for splicing, a groove-shaped cavity is formed at the splicing position of the adjacent prefabricated components, the transverse ribs and the longitudinal ribs are arranged along the groove-shaped cavity and are bound and connected to form a reinforcing mesh sheet, the reinforcing mesh sheet is poured into the groove-shaped cavity through concrete, and after the concrete curing is finished, the fabricated concrete base layer is obtained;
b. and cleaning the upper surface of the concrete to enable the concrete to be dry and tidy, and paving asphalt on the upper surface of the whole fabricated concrete base layer or performing secondary concrete pouring to form a surface layer of the pavement.
9. The method for constructing a crack prevention fabricated concrete pavement as claimed in claim 8, wherein the step b further comprises: after the upper surface of the concrete is cleaned, firstly, a high-molecular anti-cracking paste is pasted on the upper surface of the concrete at the splicing position of the adjacent prefabricated parts, and then asphalt is paved on the upper surface of the whole assembled concrete base layer or secondary concrete pouring is carried out.
10. The method of claim 9, wherein the width of the polymer anti-crack joint prefabricated part is not less than 5 cm.
11. The method for constructing a crack prevention fabricated concrete pavement as claimed in claim 8, wherein in the step a, the transverse bars and the longitudinal bars are respectively disposed in the groove-shaped cavities at a side close to one of the precast elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460952.7A CN111501463B (en) | 2020-05-27 | 2020-05-27 | Anti-cracking assembled concrete pavement and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460952.7A CN111501463B (en) | 2020-05-27 | 2020-05-27 | Anti-cracking assembled concrete pavement and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111501463A true CN111501463A (en) | 2020-08-07 |
| CN111501463B CN111501463B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010460952.7A Active CN111501463B (en) | 2020-05-27 | 2020-05-27 | Anti-cracking assembled concrete pavement and construction method thereof |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747298Y (en) * | 2004-12-07 | 2005-12-21 | 吴方伯 | Reinforced concrete hollow prefabricated member board |
| CN203782513U (en) * | 2014-03-24 | 2014-08-20 | 中建五局第三建设有限公司 | Assembly type road component |
| CN104652210A (en) * | 2015-03-13 | 2015-05-27 | 黄贺明 | Assembled concrete traffic pavement and construction method thereof |
| CN212270569U (en) * | 2020-05-27 | 2021-01-01 | 中国二十二冶集团有限公司 | Anti-cracking fabricated concrete pavement |
-
2020
- 2020-05-27 CN CN202010460952.7A patent/CN111501463B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747298Y (en) * | 2004-12-07 | 2005-12-21 | 吴方伯 | Reinforced concrete hollow prefabricated member board |
| CN203782513U (en) * | 2014-03-24 | 2014-08-20 | 中建五局第三建设有限公司 | Assembly type road component |
| CN104652210A (en) * | 2015-03-13 | 2015-05-27 | 黄贺明 | Assembled concrete traffic pavement and construction method thereof |
| CN212270569U (en) * | 2020-05-27 | 2021-01-01 | 中国二十二冶集团有限公司 | Anti-cracking fabricated concrete pavement |
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| Publication number | Publication date |
|---|---|
| CN111501463B (en) | 2024-05-10 |
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