CN112281568A - Prefabricated ultrahigh-performance concrete light pavement structure and construction method thereof - Google Patents
Prefabricated ultrahigh-performance concrete light pavement structure and construction method thereof Download PDFInfo
- Publication number
- CN112281568A CN112281568A CN202011124566.7A CN202011124566A CN112281568A CN 112281568 A CN112281568 A CN 112281568A CN 202011124566 A CN202011124566 A CN 202011124566A CN 112281568 A CN112281568 A CN 112281568A
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- Prior art keywords
- performance concrete
- prefabricated
- pavement structure
- high performance
- ultra
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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
- E01C5/08—Reinforced units with steel frames
- E01C5/085—Reinforced units with steel frames on prefabricated supporting structures or prefabricated foundation elements except coverings made of layers of similar elements
-
- 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
- E01C3/00—Foundations for pavings
- E01C3/006—Foundations for pavings made of prefabricated single units
Abstract
The invention discloses a prefabricated ultra-high performance concrete light pavement structure and a construction method thereof, wherein the structure comprises the following components: the gravel cushion layer is laid on the roadbed, a plurality of accommodating grooves are formed in the top of the gravel cushion layer, and the accommodating grooves are distributed at intervals along the length direction of the roadbed; the prefabricated supporting piece is embedded in the accommodating groove; and the prefabricated ultrahigh-performance concrete panels are laid on the prefabricated supporting pieces in the accommodating grooves. The invention solves the problems that the construction period of a cast-in-place concrete pavement in a construction site of constructional engineering is long and the traffic efficiency of the site is influenced.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a prefabricated ultra-high performance concrete light pavement structure and a construction method thereof.
Background
In order to facilitate the passage of construction machinery and material transportation vehicles in construction sites of construction engineering, concrete pavements are generally required, and cast-in-place concrete pavements are commonly used.
The cast-in-place concrete pavement is generally characterized in that a steel bar net sheet is laid and concrete is poured after a site is leveled, the pavement can be opened and passed after the concrete strength meets the passing requirement, the construction period is long, and the vehicle passing efficiency of a construction site is influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the prefabricated ultra-high performance concrete light pavement structure and the construction method thereof are provided, so that the problems that the construction period of a cast-in-place concrete pavement in a construction site of a building engineering is long and the traffic efficiency of a site is influenced are solved.
In order to achieve the above object, there is provided a prefabricated ultra-high performance concrete lightweight pavement structure, including:
the gravel cushion layer is laid on the roadbed, a plurality of accommodating grooves are formed in the top of the gravel cushion layer, and the accommodating grooves are distributed at intervals along the length direction of the roadbed;
the prefabricated supporting piece is embedded in the accommodating groove; and
and the prefabricated ultrahigh-performance concrete panel is laid on the prefabricated support pieces in the plurality of accommodating grooves.
Further, the top of the receiving groove is flush with the top of the pre-fabricated support.
Further, the precast support member is a reinforced concrete bar.
Furthermore, the cross section of the reinforced concrete strip is rectangular.
Further, the prefabricated ultra-high performance concrete panel includes:
reinforcing mesh sheets; and
and the ultrahigh-performance concrete is coated on the reinforcing mesh.
Furthermore, the prefabricated supporting part is arranged on an embedded part, a vertical through hole is formed in the prefabricated ultrahigh-performance concrete panel, and the embedded part is inserted into the vertical through hole.
The invention provides a construction method for prefabricating an ultra-high performance concrete light pavement structure, which comprises the following steps:
paving a broken stone cushion layer on the roadbed, and forming a plurality of accommodating grooves which are distributed at intervals along the length direction of the roadbed at the top of the broken stones;
a prefabricated support piece is embedded in each accommodating groove;
and laying prefabricated ultrahigh-performance concrete panels on the prefabricated support pieces in the plurality of accommodating grooves to form a prefabricated ultrahigh-performance concrete light pavement structure.
The prefabricated ultrahigh-performance concrete lightweight pavement structure has the beneficial effects that the prefabricated ultrahigh-performance concrete panel is adopted, the strength of the panel is extremely high, the breaking strength reaches 20MPa, and the compressive strength reaches more than 160 MPa.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a prefabricated ultra-high performance concrete lightweight pavement structure according to an embodiment of the invention.
Fig. 2 is a sectional view taken at a-a in fig. 1.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a schematic structural view of a prefabricated ultra-high performance concrete lightweight pavement structure according to an embodiment of the present invention, and fig. 2 is a sectional view taken at a-a in fig. 1.
Referring to fig. 1 and 2, the present invention provides a prefabricated ultra-high performance concrete lightweight pavement structure, including: broken stone bedding layer 1, prefabricated supporting member 2 and prefabricated ultra-high performance concrete panel 3.
Specifically, the gravel cushion layer 1 is laid on the roadbed. A plurality of accommodating grooves are formed at the top of the gravel cushion layer 1. The plurality of accommodating grooves are arranged at intervals along the length direction of the roadbed. The containing groove is arranged along the width direction of the roadbed.
The prefabricated support member 2 is embedded in the accommodating groove.
The prefabricated ultra-high performance concrete panels 3 are laid on the prefabricated supports 2 in the plurality of receiving slots of the gravel cushion 1.
The prefabricated ultrahigh-performance concrete lightweight pavement structure adopts the prefabricated ultrahigh-performance concrete panel, the strength of the panel is extremely high, the breaking strength reaches 20MPa, and the compressive strength reaches more than 160 MPa.
In this embodiment, the top of the receiving groove of the gravel pack is flush with the top of the pre-fabricated support 2.
As a preferred embodiment, the prefabricated support 2 is a reinforced concrete bar.
The cross section of the reinforced concrete strip is rectangular.
The prefabricated ultra-high performance concrete panel 3 comprises a steel bar mesh and ultra-high performance concrete. The ultra-high performance concrete is coated on the reinforcing mesh.
The prefabricated supports 2 are provided to the embedment. The prefabricated ultrahigh-performance concrete panel 3 is provided with vertical through holes. The embedded part is inserted in the vertical through hole.
Specifically, the embedded part is a screw, the screw is inserted into the prefabricated ultrahigh-performance concrete panel and provided with a vertical through hole, and the top of the screw is screwed with a fastening nut. The fastening nut is pressed against the upper part of the prefabricated ultrahigh-performance concrete panel.
The invention provides a construction method for prefabricating an ultra-high performance concrete light pavement structure, which comprises the following steps:
s1: and paving a broken stone cushion layer 1 on the roadbed, and forming a plurality of accommodating grooves which are distributed at intervals along the length direction of the roadbed at the top of the broken stones.
And leveling the site of the construction site, and then positioning and paying off according to a design drawing.
And paving broken stones and compacting to form a broken stone cushion layer according to the designed elevation. The broken stone cushion layer is paved by broken stones or broken construction waste.
S2: a prefabricated support member 2 is embedded in each accommodating groove.
When the upper part of the gravel cushion layer is laid, the laid gravel layer is leveled, and a plurality of prefabricated supporting pieces are laid on the laid gravel layer at intervals along the length direction of the roadbed. After the prefabricated supporting pieces are laid, gravel is filled between the adjacent prefabricated supporting pieces, a containing groove is formed in the top of the gravel cushion layer, and the prefabricated supporting pieces are embedded in the containing groove.
S3: and laying prefabricated ultrahigh-performance concrete panels 3 on the prefabricated support parts 2 in the plurality of accommodating grooves to form a prefabricated ultrahigh-performance concrete lightweight pavement structure.
The prefabricated ultrahigh-performance concrete panels are laid on the plurality of prefabricated supporting pieces, specifically, the vertical through holes of the prefabricated ultrahigh-performance concrete panels are sleeved on the screw rods of the prefabricated supporting pieces, and the fastening nuts are screwed on the screw rods and pressed against the prefabricated ultrahigh-performance concrete panels.
And cleaning the top sundry slag of the prefabricated support before laying the prefabricated ultrahigh-performance concrete panel.
And repeating the steps and gradually paving along the advancing direction of the road surface, reserving holes at the corners of the prefabricated ultrahigh-performance concrete panels, and bending the reinforcing steel bars into clamps to link the prefabricated ultrahigh-performance concrete panels on the adjacent roads.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. A prefabricated ultra-high performance concrete light pavement structure, comprising:
the gravel cushion layer is laid on the roadbed, a plurality of accommodating grooves are formed in the top of the gravel cushion layer, and the accommodating grooves are distributed at intervals along the length direction of the roadbed;
the prefabricated supporting piece is embedded in the accommodating groove; and
and the prefabricated ultrahigh-performance concrete panel is laid on the prefabricated support pieces in the plurality of accommodating grooves.
2. The precast ultra high performance concrete lightweight pavement structure according to claim 1, wherein the top of the receiving groove is flush with the top of the precast support member.
3. The precast ultra-high performance concrete lightweight pavement structure of claim 1, wherein the precast supports are reinforced concrete strips.
4. The precast ultra high performance concrete lightweight pavement structure according to claim 3, wherein the reinforced concrete strips have a rectangular cross section.
5. The precast ultra-high performance concrete lightweight pavement structure of claim 1, wherein the precast ultra-high performance concrete panel comprises:
reinforcing mesh sheets; and
and the ultrahigh-performance concrete is coated on the reinforcing mesh.
6. The precast ultra-high performance concrete lightweight pavement structure according to claim 1, wherein the precast supporting member is provided to an embedded part, the precast ultra-high performance concrete panel is provided with a vertical through hole, and the embedded part is inserted into the vertical through hole.
7. A construction method of a prefabricated ultra-high performance concrete lightweight pavement structure according to any one of claims 1 to 6, characterized by comprising the steps of:
paving a broken stone cushion layer on the roadbed, and forming a plurality of accommodating grooves which are distributed at intervals along the length direction of the roadbed at the top of the broken stones;
a prefabricated support piece is embedded in each accommodating groove;
and laying prefabricated ultrahigh-performance concrete panels on the prefabricated support pieces in the plurality of accommodating grooves to form a prefabricated ultrahigh-performance concrete light pavement structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124566.7A CN112281568A (en) | 2020-10-20 | 2020-10-20 | Prefabricated ultrahigh-performance concrete light pavement structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124566.7A CN112281568A (en) | 2020-10-20 | 2020-10-20 | Prefabricated ultrahigh-performance concrete light pavement structure and construction method thereof |
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| CN112281568A true CN112281568A (en) | 2021-01-29 |
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| CN202011124566.7A Pending CN112281568A (en) | 2020-10-20 | 2020-10-20 | Prefabricated ultrahigh-performance concrete light pavement structure and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969526A (en) * | 2021-11-30 | 2022-01-25 | 中铁二院工程集团有限责任公司 | Temporary construction road pavement structure and construction method thereof |
| CN114934425A (en) * | 2022-05-25 | 2022-08-23 | 中国铁建股份有限公司 | Pavement paving method based on pavement slab |
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|---|---|---|---|---|
| US4348133A (en) * | 1980-04-25 | 1982-09-07 | Plastibeton Canada Inc. | Median barrier construction |
| US20050105969A1 (en) * | 2001-12-12 | 2005-05-19 | Smith Peter J. | Pre-fabricated warped pavement slab, forming and pavement systems, and methods for installing and making same |
| CN108004866A (en) * | 2017-12-04 | 2018-05-08 | 马晓鹤 | A kind of precast concrete road system and construction method |
| CN110158389A (en) * | 2019-06-30 | 2019-08-23 | 中冶建工集团有限公司 | A kind of light soil road structure and its construction method |
| CN211621055U (en) * | 2019-12-30 | 2020-10-02 | 四川兆硕建筑工程有限公司 | Pitch combined type town road pavement structure |
-
2020
- 2020-10-20 CN CN202011124566.7A patent/CN112281568A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348133A (en) * | 1980-04-25 | 1982-09-07 | Plastibeton Canada Inc. | Median barrier construction |
| US20050105969A1 (en) * | 2001-12-12 | 2005-05-19 | Smith Peter J. | Pre-fabricated warped pavement slab, forming and pavement systems, and methods for installing and making same |
| CN108004866A (en) * | 2017-12-04 | 2018-05-08 | 马晓鹤 | A kind of precast concrete road system and construction method |
| CN110158389A (en) * | 2019-06-30 | 2019-08-23 | 中冶建工集团有限公司 | A kind of light soil road structure and its construction method |
| CN211621055U (en) * | 2019-12-30 | 2020-10-02 | 四川兆硕建筑工程有限公司 | Pitch combined type town road pavement structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969526A (en) * | 2021-11-30 | 2022-01-25 | 中铁二院工程集团有限责任公司 | Temporary construction road pavement structure and construction method thereof |
| CN114934425A (en) * | 2022-05-25 | 2022-08-23 | 中国铁建股份有限公司 | Pavement paving method based on pavement slab |
| CN114934425B (en) * | 2022-05-25 | 2024-04-19 | 中国铁建股份有限公司 | Road surface paving method based on road surface plate |
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