CN110067169B - Construction method of water-permeable prefabricated assembled concrete road - Google Patents
Construction method of water-permeable prefabricated assembled concrete road Download PDFInfo
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- CN110067169B CN110067169B CN201910229116.5A CN201910229116A CN110067169B CN 110067169 B CN110067169 B CN 110067169B CN 201910229116 A CN201910229116 A CN 201910229116A CN 110067169 B CN110067169 B CN 110067169B
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- concrete
- water
- permeable
- water collecting
- construction method
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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
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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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
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
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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
- E01C3/00—Foundations for pavings
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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
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
Abstract
The invention discloses a construction method of a water-permeable prefabricated assembled concrete road, which comprises the following steps: (1) preparing a plurality of rectangular concrete precast blocks, wherein a plurality of rows of water permeable holes are arranged on the concrete precast blocks in a penetrating manner along the vertical direction; (2) respectively erecting templates of the water collecting ditches at positions corresponding to each row of water permeable holes of the concrete precast blocks on the concrete roadbed along the length direction of the road, and then pouring the concrete roadbed at the left side and the right side of each template of the water collecting ditches; (3) laying a water collecting pipe in each water collecting ditch respectively; (4) filling filter materials in each water collecting ditch; (5) paving a permeable layer on the concrete roadbed; (6) concrete prefabricated blocks are laid on the permeable layer, and then sand filling treatment is carried out on permeable holes of all the concrete prefabricated blocks. The method enhances the water permeability of the concrete precast pavement, effectively improves the water collecting effect, and increases the bearing capacity and the water permeability of the pavement.
Description
Technical Field
The invention relates to a construction method of a prefabricated assembled concrete road, in particular to a construction method of a water-permeable prefabricated assembled concrete road.
Background
The concept of sponge city is promoted in green construction field gradually, and in the construction in sponge city, the collection of rainwater is the key. In the construction of sponge cities, the structural layer form of the ground is relatively single.
Application No.: 201711265877.3, filing date: 2017-12-05, which belongs to the technical field of road construction, discloses a permeable pavement with permeable concrete columns. The permeable concrete columns penetrate through the base layer from top to bottom and extend downwards to the roadbed, so that rainwater can quickly penetrate into the underground; a layer of fine sand is laid on the base layer and used for reducing nitrate nitrogen with too high content in the rainwater; and a plurality of drainage pipelines are pre-buried between the fine sand and the base layer and are used for draining rainwater which cannot permeate into the ground in time. The problem that this structure exists is that this road surface system is the fixed road of using for a long time, can't have enough to meet the need the use, is not suitable for the requirement of job site living area and office area to interim road. Meanwhile, the matching of the permeable concrete column and the water drainage pipe has higher requirement on the bearing capacity of the road surface layer, and the arrangement and installation of the concrete column need positioning and fixing points, so that the construction is troublesome.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a construction method of a water-permeable precast assembled concrete road, which has good water permeability and is simple and convenient to construct.
A construction method of a water-permeable precast assembled concrete road comprises the following steps:
(1) preparing a plurality of rectangular concrete precast blocks, wherein a plurality of rows of water permeable holes are arranged on the concrete precast blocks in a penetrating manner along the vertical direction;
(2) respectively erecting templates of the water collecting ditches at positions, corresponding to each row of water permeable holes of the concrete precast blocks, on the concrete roadbed along the length direction of the road, then pouring the concrete roadbed at the left side and the right side of each template of the water collecting ditches, and removing the templates after the strength of the concrete roadbed meets the construction requirement, wherein the top surface of the concrete roadbed is a horizontal plane, the bottom surfaces of the water collecting ditches are in a slope shape, and the slope direction of the water collecting ditches is consistent with the water flow direction;
(3) respectively laying PVC water collecting pipes in each water collecting ditch, and uniformly forming a plurality of water collecting holes on the top surface of each PVC water collecting pipe;
(4) filling filter materials in each water collecting ditch;
(5) paving a permeable layer on the concrete roadbed and the water collecting ditch;
(6) lay the concrete prefabricated section according to setting for the position on the permeable bed and make the hole of permeating water on the concrete prefabricated section all aim at the catch basin setting, then irritate husky processing to the hole of permeating water of all concrete prefabricated sections.
The invention has the beneficial effects that:
the concrete precast blocks are additionally and uniformly distributed with the permeable holes, so that the water permeability of the concrete precast pavement is enhanced; a water collecting ditch is reserved on the concrete roadbed corresponding to the positions of the water permeable holes on the concrete precast blocks, and water collecting pipes with water collecting holes are laid in the water collecting ditch to conduct concentrated flow on rainwater, so that the water collecting effect is effectively improved, and the water collecting pipes are protected by filling filter materials in the water collecting ditch, and the water collecting effect is not influenced; the permeable layer on the concrete roadbed increases the bearing capacity and the water permeability of the pavement; the uppermost layer of the pavement adopts the concrete prefabricated pavement, the construction is rapid and simple, and an innovative construction method is provided for sponge city construction.
Drawings
FIG. 1 is a schematic plan view of a concrete precast block in a construction method of a water permeable precast assembled concrete road according to the present invention;
FIG. 2 is a schematic cross-sectional view of a pavement structure of a construction method of a water-permeable precast assembled concrete road of the present invention;
FIG. 3 is a schematic plan view of a detailed structure of a water collecting channel according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
The invention discloses a construction method of a water-permeable precast assembled concrete road, which comprises the following steps:
(1) preparing a plurality of rectangular concrete precast blocks 1, wherein a plurality of rows of water permeable holes 2 are arranged on the concrete precast blocks in a penetrating manner along the vertical direction, preferably, the number of the water permeable holes is three, eight in total and quincunx arrangement is adopted, so that the water permeable holes are uniformly arranged, the water permeable effect is good, and water storage points on the surfaces of the concrete precast blocks are avoided; the size of the concrete precast block 1 can be adjusted according to the size of the pavement to be paved, for example, 1000mm × 1000mm × 400mm, and the concrete precast block is precast by a member factory.
(2) The method comprises the steps of erecting templates of all water collecting ditches 4 on positions, corresponding to each row of water permeable holes of concrete precast blocks, of a concrete foundation to be laid along the length direction of a road, then pouring concrete foundations 3 on the left side and the right side of the templates of all the water collecting ditches 4, removing the templates after the strength of the concrete foundations meets construction requirements (generally reaching 75%), wherein the top surface of the concrete foundations 3 is a horizontal plane, the bottom surfaces of the water collecting ditches 4 are in a slope shape, and the slope direction of the water collecting ditches is consistent with the water flow direction.
The thickness of the concrete roadbed 3 is preferably 100mm-150mm, such as: may be 100mm, 120mm, 150mm, etc.
The width of the water collecting ditch 4 is 150mm-200mm (for example, 100mm, 120mm, 150mm and the like), so that the water collecting ditch can accurately correspond to the positions of the water permeable holes on the concrete precast block, the distance between adjacent water collecting ditches can be ensured, and the construction is convenient.
(3) PVC water collecting pipes 5 are respectively laid in each water collecting ditch 4, and a plurality of water collecting holes are uniformly formed in the top surface of each PVC water collecting pipe;
(4) each water collecting channel 4 is filled with filter materials 6, the filter materials 6 mainly play a role in filling and water permeation, and the filter materials 6 can be made by screening and processing sand stone materials or concrete waste materials on construction sites.
(5) The permeable layer 7 is laid on the concrete roadbed and the water collecting ditch, the permeable layer 7 is made of permeable pavement materials such as permeable concrete, and the thickness of the permeable layer 7 is preferably 200mm-250mm (for example, 200mm, 220mm and 250mm), so that the bearing capacity of the on-site pavement can be ensured, and the use requirement can be met.
(6) Lay concrete prefabricated section 1 on permeable bed 7 according to the settlement position and make the hole of permeating water on the concrete prefabricated section 1 all aim at the catch basin setting, then irritate husky processing to the hole 2 of permeating water of all concrete prefabricated sections, irritate husky used filtration sand 8 and mainly play and fill, filter and the effect of permeating water.
Claims (6)
1. A construction method of a water-permeable precast assembled concrete road is characterized by comprising the following steps:
(1) preparing a plurality of rectangular concrete precast blocks, wherein a plurality of rows of water permeable holes are arranged on the concrete precast blocks in a penetrating manner along the vertical direction;
(2) respectively erecting templates of the water collecting ditches at positions, corresponding to each row of water permeable holes of the concrete precast blocks, on the concrete roadbed along the length direction of the road, then pouring the concrete roadbed at the left side and the right side of each template of the water collecting ditches, and removing the templates after the strength of the concrete roadbed meets the construction requirement, wherein the top surface of the concrete roadbed is a horizontal plane, the bottom surfaces of the water collecting ditches are in a slope shape, and the slope direction of the water collecting ditches is consistent with the water flow direction;
(3) respectively laying PVC water collecting pipes in each water collecting ditch, and uniformly forming a plurality of water collecting holes on the top surface of each PVC water collecting pipe;
(4) filling filter materials in each water collecting ditch;
(5) paving a permeable layer on the concrete roadbed and the water collecting ditch;
(6) lay the concrete prefabricated section according to setting for the position on the permeable bed and make the permeable hole of concrete prefabricated section all aim at the catch basin setting, then irritate husky processing to the permeable hole of all concrete prefabricated sections.
2. The construction method of the water permeable precast assembled concrete road according to claim 1, characterized in that: the water permeable holes are arranged in three rows of eight and arranged in a quincuncial manner.
3. The construction method of the water permeable precast assembled concrete road according to claim 1 or 2, characterized in that: the thickness of the concrete roadbed is 100mm-150 mm.
4. The construction method of the water permeable precast assembled concrete road according to claim 1 or 2, characterized in that: the width of the water collecting ditch is 150mm-200 mm.
5. The construction method of the water permeable precast assembled concrete road according to claim 1 or 2, characterized in that: the permeable layer is made of permeable concrete.
6. The construction method of the water permeable precast assembled concrete road according to claim 5, wherein: the thickness of the permeable layer is 200mm-250 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910229116.5A CN110067169B (en) | 2019-03-25 | 2019-03-25 | Construction method of water-permeable prefabricated assembled concrete road |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910229116.5A CN110067169B (en) | 2019-03-25 | 2019-03-25 | Construction method of water-permeable prefabricated assembled concrete road |
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| CN110067169A CN110067169A (en) | 2019-07-30 |
| CN110067169B true CN110067169B (en) | 2021-05-07 |
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| CN110438859A (en) * | 2019-09-05 | 2019-11-12 | 中建中新建设工程有限公司 | A kind of the precast concrete road and its construction method of draining of catchmenting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002220809A (en) * | 2001-01-26 | 2002-08-09 | Hayakawa Rubber Co Ltd | Non-slip pavement block |
| CN203546552U (en) * | 2013-07-08 | 2014-04-16 | 中铁第四勘察设计院集团有限公司 | Drainage type road gutter apron |
| CN105133453A (en) * | 2015-09-18 | 2015-12-09 | 江苏永通市政园林建设有限公司 | Undercurrent pavement road |
| CN207277119U (en) * | 2017-09-29 | 2018-04-27 | 中国葛洲坝集团第五工程有限公司 | A kind of colorful water permeable concrete pavement structure |
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2019
- 2019-03-25 CN CN201910229116.5A patent/CN110067169B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002220809A (en) * | 2001-01-26 | 2002-08-09 | Hayakawa Rubber Co Ltd | Non-slip pavement block |
| CN203546552U (en) * | 2013-07-08 | 2014-04-16 | 中铁第四勘察设计院集团有限公司 | Drainage type road gutter apron |
| CN105133453A (en) * | 2015-09-18 | 2015-12-09 | 江苏永通市政园林建设有限公司 | Undercurrent pavement road |
| CN207277119U (en) * | 2017-09-29 | 2018-04-27 | 中国葛洲坝集团第五工程有限公司 | A kind of colorful water permeable concrete pavement structure |
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| CN110067169A (en) | 2019-07-30 |
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