CN105625137A - Steel slag water-permeable pavement structure and construction method thereof - Google Patents

Steel slag water-permeable pavement structure and construction method thereof Download PDF

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Publication number
CN105625137A
CN105625137A CN201610143670.8A CN201610143670A CN105625137A CN 105625137 A CN105625137 A CN 105625137A CN 201610143670 A CN201610143670 A CN 201610143670A CN 105625137 A CN105625137 A CN 105625137A
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slag
pavement structure
tackiness agent
permeable pavement
layer
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CN105625137B (en
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赵建林
徐社阳
董荣珍
赵凯
赵芳中
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Xiangtan Jing Jing Sponge City New Material Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • E01C11/225Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • E01C11/226Coherent 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 a steel slag water-permeable pavement structure and a construction method thereof. The steel slag water-permeable pavement structure is arranged on a roadbed and sequentially comprises a surface layer, a base layer, a cushion layer and a siphon connection layer from top to bottom, wherein the surface layer is composed of steel slag with the particle size being 0.1-2 mm by means of mixed curing of adhesives; the basic layer is composed of aggregate with the particle size being 2-15 mm by means of mixed curing of adhesives; the cushion layer is composed of aggregate with the particle size being 2-30 mm by means of mixed curing of adhesives; the siphon connection layer is formed by mixing steel slag with the particle size being 2-15 mm and plain soil in a tamping mode. By means of the performance that water permeability is achieved after steel slag and adhesives are cured, rainwater on a pavement enters underground water through the permeating effect, it is avoided that rainwater forms runoff and accumulated ponding in a road, by means of the pavement structure, rainwater can well permeate into underground water, particularly in cities, loads of municipal drainage pipelines are relieved, and waterlogging can be well avoided.

Description

A kind of slag permeable pavement structure and constructional method thereof
Technical field
The present invention relates to road engineering technical field, say more specifically, it relates to a kind of slag permeable pavement structure and constructional method thereof.
Background technology
In urbanization process, the use of the waterproof material of construction of hard such as a large amount of reinforced concrete building and pitch, by original natural soils surface breakdown, and airtight ground surface is closed, ooze under moisture is difficult to, during precipitation, form rainwash very soon, runoff enters river course or municipal drainage pipeline, easily exceed the burden of river course and municipal drainage pipeline when big rainfall, waterlogging when serious, can be formed, cause city " seeing sea " phenomenon again and again to occur. Owing to rainwater cannot penetrate under earth's surface by earth's surface so that underground water can not get supplementing timely and effectively, causes ground water table seriously to decline, the water resources that can apply is exhausted, and water ecological environment worsens.
The waterproof road surface that the closed surface infrastructure of urban pavement causes now lacks the regulatory function to urban surface temperature, humidity, and rainwater evaporation is fast, and earth's surface is easily dry, and dust pollution is serious, produces the city " tropical island effect " on meteorology; To the integrated environment in city
In addition, the waterproof road surface that closed earth's surface is caused, will make the ground flora growth difficulty being used in city regulating miniclimate, and some trees are even because root system lack of water is dead, lodging, thus lose Ecological regulation effect.
Therefore, need badly and propose a kind of slag permeable pavement structure with good water-permeable to increase the water-permeable and air permeable space in city, reach the good result regulating urban microclimate, keeping ecological balance.
Summary of the invention
Technical problem to be solved by this invention is to provide slag permeable pavement structure and the constructional method thereof of a kind of permeate well.
It is an object of the invention to be achieved through the following technical solutions:
A kind of slag permeable pavement structure, described slag permeable pavement structure is arranged on roadbed, and this slag permeable pavement structure comprises from top to bottom successively:
Surface layer, described surface layer by granularity be 0.1-2mm slag by tackiness agent mixing cured become;
Basic unit, described basic unit by granularity be 2-15mm aggregate by tackiness agent mixing cured become;
Bed course, described bed course by granularity be 2-30mm aggregate by tackiness agent mixing cured become;
Siphon context layer, described siphon context layer, by slag and element soil mixing that granularity is 2-15mm, has been tamped together.
Preferably, the tackiness agent of described surface layer is mixed with pigment.
Preferably, in described surface layer, also it is mixed with glass fibre; Wherein, in the described surface layer of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described tackiness agent is 5-30, and the mass parts of described slag is 95-65, and the thickness of described surface layer is 10-60mm.
Preferably, in described basic unit, also it is mixed with glass fibre; Wherein, in the described basic unit of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described tackiness agent is 5-20, and the mass parts of described slag is 95-75, and the thickness of described basic unit is 100-400mm.
Preferably, in described bed course, also it is mixed with glass fibre; Wherein, in the described bed course of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described tackiness agent is 5-20, and the mass parts of described slag is 95-75, and the thickness of described bed course is 100-500mm.
Preferably, the filamentary material of described siphon context layer is glass fibre, and the length of described glass fibre is 30-300mm.
Preferably, in the described siphon context layer of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described slag is 95-75, the thickness 10-50mm of described siphon context layer.
A constructional method for slag permeable pavement structure as claimed in claim 1, comprises step:
Surface layer, described surface layer by granularity be 0.1-2mm slag by tackiness agent mixing cured become;
Basic unit, described basic unit by granularity be 2-15mm aggregate by tackiness agent mixing cured become;
Bed course, described bed course by granularity be 2-30mm aggregate by tackiness agent mixing cured become;
Siphon context layer, slag and the element soil mixing of described siphon context layer to be the filamentary material through surface activation process, granularity be 2-15mm, has tamped together.
Preferably, in described step S1, also it is included in tackiness agent the step mixing pigment.
Preferably, in described step S1, step S2 and step S3, described slag and described aggregate are also comprised, by the process that tackiness agent is mixing cured, the step mixing glass fibre.
The benefit that the present invention brings is: the performance after utilizing slag and adhesive solidification with water-permeable, make the rainwater on road surface can enter into underground water by osmosis, rainwater is avoided to form runoff and ponding in the road, particularly for city, can well rainwater be penetrated in underground, alleviate the burden of municipal drainage pipeline, it is possible to well avoid the appearance of waterlogging. in addition, infiltration makes underground water to be supplemented timely so that the utilization of water resources is protected. what slag permeable pavement structure adopted is the structure of many levels, the slag of every Rotating fields or aggregate size difference define different Rotating fields, surface layer and basic unit adopt less granularity structure, ensure that its wear-resisting and firm performance, and bed course and siphon context layer adopt bigger slag granularity structure, serve good humidity-holding effect, osmosis can be played, the effect keeping moisture content can be played again, siphon context layer adopts and mixes with element soil, more hole can be produced, when rainy, accelerate the infiltration effect of rainwater, and siphon effect (capillarity) can be produced when drying, moisture content is upwards attracted, keep pavement humidity. in addition, the slag permeable pavement structure that the present invention adopts due to its process of osmosis be also the process of a kind of filtration, it is possible to rainwater is had unique purification function.
Accompanying drawing explanation
Fig. 1 is the slag permeable pavement structure structural representation of the embodiment of the present invention.
Embodiment
The preferred embodiment of the present invention is described below, and those of ordinary skill in the art can be realized according to the correlation technique of hereafter described this area, and can more understand the innovation part of the present invention and the benefit brought.
" national novel urbanization planning (2014-2020) " clearly proposes: building the sponge city with nature accumulation, naturally osmotic, natural purification function, as the target of urban construction of promoting a conservation culture. In sponge urban construction, the core of low impact exploitation storm-water system is that before and after maintenance Site development, hydrological characteristics is constant. From hydrology cycle perspective, the outer row of a certain amount of run-off after exploitation to be realized, just must utilize source, place adequate space, mode, the runoff increment after Site development of dissolving such as take that infiltration is backflowed. Realize developing rear hydrological characteristics close to the target before exploitation.
Based on this, the present invention proposes a kind of new slag permeable pavement structure with good water permeability.
Embodiment one
The slag permeable pavement structure of the present embodiment adopts slag to make as aggregate, and wherein, the slag physicals selected in this example is following but is not limited to this:
Sequence number Index name Index
1 Crush index (%) < 15
2 Flat-elongated particles content (%) < 15
3 Silt content (%) < 0.5
4 Apparent density (kg/m3) > 2500
5 Tightly fill tap density (kg/m3) 1350
6 Voidage (%) < 47
Below in conjunction with Fig. 1, slag permeable pavement structure is described, described slag permeable pavement structure is arranged on roadbed, this slag permeable pavement structure comprises from top to bottom successively: surface layer 1, basic unit 2, bed course 3 and siphon context layer 4, and described surface layer 1, basic unit 2, bed course 3 and siphon context layer 4 are mixing cured and become as aggregate by slag. wherein, described surface layer 1 by granularity be 0.1-2mm slag by tackiness agent mixing cured become, , described basic unit 2 by granularity be 2-15mm slag by tackiness agent mixing cured become, described bed course 3 by granularity be 2-30mm slag by tackiness agent mixing cured become, described siphon context layer 4, by slag and element soil mixing that granularity is 2-15mm, has been tamped together. what slag permeable pavement structure adopted is the structure of many levels, the slag granularity difference of every Rotating fields defines different Rotating fields, surface layer 1 and basic unit 2 adopt less granularity structure, ensure that its wear-resisting and firm performance, and bed course 3 and siphon context layer 4 adopt bigger slag granularity structure, serve good humidity-holding effect, osmosis can be played, the effect keeping moisture content can be played again, siphon context layer 4 mixes filamentary material, the capillary structure of filamentary material can be utilized, form good siphon effect, infiltration and maintenance to water serve good regulating effect. in addition, the slag permeable pavement structure that the present invention adopts due to its process of osmosis be also the process of a kind of filtration, it is possible to rainwater is had unique purification function. there is after utilizing slag and adhesive solidification the performance of water-permeable, make the rainwater on road surface can enter into underground water by osmosis, rainwater is avoided to form runoff and ponding in the road, particularly for city, can well rainwater be penetrated in underground, alleviate the burden of municipal drainage pipeline, it is possible to well avoid the appearance of waterlogging.
In addition, the tackiness agent of described surface layer also can mix pigment, like this, after forming slag permeable pavement structure, can directly show the color of pigment, be no longer traditional black or grey road surface, it is possible to dye distinct colors as required. Further, owing to pigment is incorporated in tackiness agent, it not be coated on road surface, therefore can not cause to come off because the traveling of automobile rolls and fade.
In the present embodiment, described surface layer is also mixed with glass fibre; Wherein, in the described surface layer of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described tackiness agent is 5-30, the mass parts of described slag is 95-65, the thickness of described surface layer is 10-60mm, and when the thickness of surface layer is 40mm, its wear resisting property and water permeability are better. Under this proportioning, surface layer has good wear resisting property. Certainly, glass fibre can adopt other filamentary material to replace such as materials such as resin fibres, and glass fibre can well make, as capillary channel structure, the permeability performance that road surface keeps good.
In the present embodiment, described basic unit is yet mixed with glass fibre; Wherein, in the described basic unit of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described tackiness agent is 5-20, the mass parts of described slag is 95-75, the thickness of described basic unit is 100-400mm, and when the thickness of basic unit is in 200mm, its strength property and infiltration effect are better. Under this proportioning, basic unit has good strength property. Certainly, glass fibre can adopt other filamentary material to replace such as materials such as resin fibres, and glass fibre can well make, as capillary channel structure, the permeability performance that road surface keeps good. Wherein, the slag that the aggregate in basic unit adopts, it is possible to be the comparatively average slag of granularity, it is also possible to be that the level that the mode adopting level to join is formed joins slag.
In the present embodiment, described bed course is also mixed with glass fibre; Wherein, in the described bed course of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described tackiness agent is 5-20, the mass parts of described slag is 95-75, the thickness of described bed course is 100-500mm, and when the thickness of bed course is in 300mm, its structural strength and infiltration effect are better. Under this proportioning, bed course has good strength property. Certainly, glass fibre can adopt other filamentary material to replace such as materials such as resin fibres, and glass fibre can well make, as capillary channel structure, the permeability performance that road surface keeps good. Wherein, the slag that the aggregate in bed course adopts, it is possible to be the comparatively average slag of granularity, it is also possible to be that the level that the mode adopting level to join is formed joins slag.
In the present embodiment, being also mixed with glass fibre in described siphon context layer, the length of described glass fibre is 30-300mm, and glass fibre is first through surface activation process, and processing mode invades profit one layer of hydrophilic group organic compound. Siphon context layer adopt length be the glass fibre of 30-300mm, capillary channel can well be formed in siphon context layer, when rainy, the effect of rain penetration can be improved, when drying, syphonic effect (capillarity) can be passed through upwards attracted by underground water, keep the humidity on road surface. Having, glass fibre can also strengthen the intensity of structure again. The guiding at surface treated glass fibre interface, under the effect of ground level heat air-flow, quickening underground water returns and penetrates into road surface, and is evaporated in air, to a certain degree alleviates " tropical island effect " in city.
In the present embodiment, in the described siphon context layer of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described slag is 95-75, the thickness 10-50mm of described siphon context layer. Under this proportioning, siphon context layer has good moisturizing and osmosis, can play the supporting role of good road surface simultaneously.
Embodiment two
Present embodiments provide the constructional method of the slag permeable pavement structure described in a kind of embodiment one, comprise step:
S1, will form siphon context layer on roadbed, and described siphon context layer granularity is slag and the element soil mixing of 2-15mm, has tamped together;
S2, forms bed course on described siphon context layer, described surface layer by granularity be 2-30mm slag by tackiness agent mixing cured become;
S3, forms basic unit on described bed course, described basic unit by granularity be 2-15mm slag by tackiness agent mixing cured become;
S4, forms surface layer on described basic unit, described surface layer by granularity be 0.1-2mm slag by tackiness agent mixing cured become.
Wherein, in described step S1, also it is included in tackiness agent the step mixing pigment.
Wherein, in described step S1, step S2 and step S3, slag is also comprised, by the process that tackiness agent is mixing cured, the step mixing glass fibre.
In the present embodiment, the main chemical compositions of described slag is CaO��SiO2��Al2O3��FeO��Fe2O3��MgO��MnO��P2O5, what have also contains V2O5And TiO2. Slag is a kind of aggregate being made up of multi mineral and glass state material, due to the special environment condition being shaped, makes slag quality hard, and close hole is less, and specific surface area is little, and slag sticks together and skull crystallization is fine and closely woven, boundary is clearly demarcated, fracture is neat. In addition, due to slag compactness height, therefore more wear-resisting.
In the present embodiment, in described surface layer 1, basic unit 2, bed course 3 and siphon layer 4, wherein, for the process of surface layer, its step is as follows:
Step T1: slag is carried out particle filter, selects the slag of the particle size diameter met;
Step T2: the slag after screening is carried out polymer covering layer processing;
Step T3: the slag and tackiness agent, glass fibre with polymer covering layer are carried out mix and blend;
Step T4: the slag mix and blend thing in step T3 is routed in basic unit and pressurizes and treat that it solidifies;
Described polymer covering layer is one or more in epoxyn, acrylic resin tackiness agent and polyurethane adhesive; Described tackiness agent is one or more in epoxyn, acrylic resin tackiness agent and polyurethane adhesive.
Certainly, in the present embodiment, described tackiness agent is chosen as epoxyn, the slag with polymer covering layer is preferably first mixed by preparation in accordance with the present invention with epoxy resin, then epoxy curing agent is added, mix, then that said mixture is shaping, and be cured.
In another embodiment; described tackiness agent is polyurethane adhesive; and described polyurethane adhesive contains protection or unprotected isocyanic ester and polyester or polyether glycol; polyester or polyether glycol are preferably first mixed by preparation in accordance with the present invention with the slag with polymer covering layer; then add protection or unprotected isocyanic ester, then carry out shaping and solidification.
In another enforcement mode, described tackiness agent is acrylic resin tackiness agent, and described acrylic resin tackiness agent is preferably mixed by preparation in accordance with the present invention with the slag with polymer covering layer, and is cured.
The present invention is also not particularly limited for the condition of described solidification, as long as the condition of described solidification is enough to make described adhesive solidification. In the present invention, described solidification refers to that tackiness agent is transformed into solid-state by liquid or semi-solid state and has certain intensity.
Generally, the condition of described solidification comprises: temperature is 25-180 DEG C, and the time is 2-108 hour. Preferably, the condition of described solidification comprises: temperature is 45-150 DEG C, and the time is 3-48 hour.
In the present embodiment, certainly, the processing that slag does not carry out in described basic unit and bed course polymer covering layer is also possible, directly by being mixed with tackiness agent by slag.
For the making of basic unit, bed course and siphon context layer, being then have employed different mixing materials and slag particle size diameter, its basic step is identical with the making of surface layer.
Silicate cementing material can also be selected as tackiness agent described in a kind of alternate embodiment, basic unit and bed course. In another alternate embodiment, the aggregate in described basic unit and bed course can also adopt rubble as an alternative, and now, the tackiness agent adopted can select silicate cement. Rubble is as the aggregate of basic unit and bed course, it is also possible to reach the effect that well seeps water.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations. For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, these all should be considered as belonging to protection scope of the present invention.

Claims (10)

1. a slag permeable pavement structure, described slag permeable pavement structure is arranged on roadbed, it is characterised in that, this slag permeable pavement structure comprises from top to bottom successively:
Surface layer, described surface layer by granularity be 0.10-2mm slag by tackiness agent mixing cured become;
Basic unit, described basic unit by granularity be 2-15mm aggregate by tackiness agent mixing cured become;
Bed course, described bed course by granularity be 2-30mm aggregate by tackiness agent mixing cured become;
Siphon context layer, described siphon context layer, by slag and element soil mixing that granularity is 2-15mm, has been tamped together.
2. slag permeable pavement structure as claimed in claim 1, it is characterised in that, the tackiness agent of described surface layer is mixed with pigment.
3. slag permeable pavement structure as claimed in claim 1, it is characterised in that, in described surface layer, also it is mixed with glass fibre; Wherein, in the described surface layer of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described tackiness agent is 5-30, and the mass parts of described slag is 95-65, and the thickness of described surface layer is 10-60mm.
4. slag permeable pavement structure as claimed in claim 1, it is characterised in that, in described basic unit, also it is mixed with glass fibre, described aggregate is slag; Wherein, in the described basic unit of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described tackiness agent is 5-20, and the mass parts of described slag is 95-75, and the thickness of described basic unit is 100-400mm.
5. slag permeable pavement structure as claimed in claim 1, it is characterised in that, in described bed course, also it is mixed with glass fibre, described aggregate is slag; Wherein, in the described bed course of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described tackiness agent is 5-20, and the mass parts of described slag is 95-75, and the thickness of described bed course is 100-500mm.
6. slag permeable pavement structure as claimed in claim 1, it is characterised in that, described siphon context layer also includes glass fibre, and the length of described glass fibre is 30-300mm.
7. slag permeable pavement structure as claimed in claim 6, it is characterised in that, in the described siphon context layer of 100 weight parts, the mass parts of glass fibre is 0-5, and the mass parts of described slag is 95-75, the thickness 10-50mm of described siphon context layer.
8. the constructional method of a slag permeable pavement structure as claimed in claim 1, it is characterised in that, comprise step:
S1, will form siphon context layer on roadbed, and described siphon context layer granularity is slag and the element soil mixing of 2-15mm, has tamped together;
S2, forms bed course on described siphon context layer, described surface layer by granularity be 8-13.2mm slag by tackiness agent mixing cured become;
S3, forms basic unit on described bed course, described basic unit by granularity be 2-15mm aggregate by tackiness agent mixing cured become;
S4, forms surface layer on described basic unit, described surface layer by granularity be 0.1-2mm aggregate by tackiness agent mixing cured become.
9. the constructional method of slag permeable pavement structure as claimed in claim 8, it is characterised in that, in described step S1, also it is included in tackiness agent the step mixing pigment.
10. the constructional method of slag permeable pavement structure as claimed in claim 8, it is characterised in that, in described step S1, step S2, step S3 and step S4, slag is also comprised, by the process that tackiness agent is mixing cured, the step mixing glass fibre.
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CN109577134A (en) * 2018-12-19 2019-04-05 阜阳市鑫源建材有限公司 A kind of steel slag porous base course and its paving mode
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CN107651898A (en) * 2017-10-23 2018-02-02 惠州市银嘉环保科技有限公司 A kind of novel gradient water-permeable brick and preparation method thereof
CN109577134A (en) * 2018-12-19 2019-04-05 阜阳市鑫源建材有限公司 A kind of steel slag porous base course and its paving mode
CN110499693A (en) * 2019-08-24 2019-11-26 浙江诚通市政建设有限公司 A kind of permeable road structure of municipal administration and its construction method
CN111041931A (en) * 2019-12-26 2020-04-21 河南兴安新型建筑材料有限公司 Environment-friendly permeable pavement with metal texture
CN112458825A (en) * 2020-11-21 2021-03-09 江苏永联精筑建设集团有限公司 Steel slag pavement structure and construction method thereof
CN112458825B (en) * 2020-11-21 2022-04-19 江苏永联精筑建设集团有限公司 Steel slag pavement structure and construction method thereof
CN113149582A (en) * 2021-04-07 2021-07-23 长泰县华信混凝土有限公司 Preparation method of ecological pervious concrete
CN115490460A (en) * 2022-10-14 2022-12-20 南京赛仕瑞道路工程技术有限公司 Fluorescence permeable pavement surface course, fluorescence permeable pavement and brick that permeates water
CN115490460B (en) * 2022-10-14 2023-09-08 南京赛仕瑞道路工程技术有限公司 Fluorescent permeable pavement surface layer, fluorescent permeable pavement and permeable brick

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