CN108517736A - A kind of concrete road - Google Patents

A kind of concrete road Download PDF

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Publication number
CN108517736A
CN108517736A CN201810330341.3A CN201810330341A CN108517736A CN 108517736 A CN108517736 A CN 108517736A CN 201810330341 A CN201810330341 A CN 201810330341A CN 108517736 A CN108517736 A CN 108517736A
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CN
China
Prior art keywords
concrete
layer
elastomer
base
modified
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810330341.3A
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Chinese (zh)
Inventor
马梅伍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Meiyu Science And Technology Co Ltd
Original Assignee
Foshan Meiyu Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Meiyu Science And Technology Co Ltd filed Critical Foshan Meiyu Science And Technology Co Ltd
Priority to CN201810330341.3A priority Critical patent/CN108517736A/en
Publication of CN108517736A publication Critical patent/CN108517736A/en
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
    • C04B41/5079—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
    • C04B41/61—Coating or impregnation
    • C04B41/65—Coating or impregnation with inorganic materials
    • C04B41/68—Silicic acid; Silicates
    • 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
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • E01C7/325—Joining different layers, e.g. by adhesive layers; Intermediate layers, e.g. for the escape of water vapour, for spreading stresses
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention discloses a kind of concrete roads, it is laid with by base and wearing layer, wherein wearing layer is directly coated on base, the wherein described base is concrete base layer and the wearing layer is the modifies permeable concrete layer of polymer elasticity, its thickness is less than 4 centimetres, void content is that 5% to 20% volume, preferably 5% to 10% volume, and the maximum gauge for the elastomer aggregation being present in the elastomer-modified permeable concrete layer are 10mm.Good mechanical performance, bending/compressive strength rate is high, and compared with traditional pervious concrete, scaling property is more preferable, has a good adhesion strength, good skid resistance, good drainability, and universality can be far below bituminous paving close to bituminous paving but cost.

Description

A kind of concrete road
Technical field
The invention belongs to construction engineering technical fields, specifically, the present invention relates to a kind of concrete roads.
Background technology
In comparison, the two advantage and disadvantage are as follows for asphalt concrete pavement and concrete road surface：1, bituminous paving belongs to flexible Road surface, driving is comfortable, and noise is small；Cement concrete pavement does not have that bituminous paving is comfortable as rigid pavement, and coagulating cement Soil surface necessary 4~5 meters of settings expansion joints, also influence driving comfort level.And bituminous concrete is repaired after there is local damage It is relatively easy, also than very fast, it is short to influence traffic time；Cement concrete cuts after local damage and is not easy because intensity is high. Asphalt concrete pavement surface is rougher, and the more smooth cement concrete pavement of anti-slide performance is strong, is not easy to skid in rainy day automobile, Braking distance is also relatively short.
But cement concrete is cheap and durability is much better than pitch, cement concrete pavement in freeway uses year Limit was calculated by 28 years, and the asphalt concrete pavement of ad eundem, which is only pressed 15 years, to be calculated.And cement concrete pavement is for weather More friendly, the crisp characteristic of the soft low temperature of asphalt high-temperature makes asphalt concrete pavement not have coagulating cement under extreme weather conditions Soil is durable.So how to improve the character of concrete road surface so that it is promoted in all respects, can greatly be reduced road surface and be made Valence.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides a kind of mix Solidifying dirt road road, is laid with by base and wearing layer, and wherein wearing layer is directly coated on base, wherein the base is coagulation Soil matrix layer and the wearing layer are the modifies permeable concrete layer of polymer elasticity, and thickness is less than 4 centimetres, gap Content is 5% to 20% volume, preferably 5% to 10% volume, and be present in the elastomer-modified permeable concrete The maximum gauge of elastomer aggregation in layer is 10mm.
Further, the concrete base layer is noiseless foam road surface or reinforced concrete pavement or enhancing concrete road Face or grinding coagulation soil.
Further, the concrete base layer of the elastomer-modified permeable concrete layer coating has when constructing 28 days There is the compressive strength higher than 28MPa.
Further, the concrete foundation layer of the solidification directly coated by elastomer-modified permeable concrete layer is being applied With the flexing resistance higher than 10MPa when work 28 days.
Further, the stretch-bonded wherein between concrete foundation layer and elastomer-modified permeable concrete layer is strong Degree is higher than 3MPa.
Further, the permeable concrete layer of the polymer modification is per m3Including：375 kilograms of hydraulic binder Agent, the wherein weight ratio of water/hydraulic binder are 0.4, and add 1500kg or so and a diameter of 10mm rubbles below, 100 to 500 kilograms of fine sand or middle sand or ultra fine sand, other are the elastomer.
Further, the elastomer be styrene butadiene ribber lotion, neoprene latex, acrylic emulsion, third Olefin(e) acid ester lotion, styrene-acrylate emulsion, vinyl lotion, ester-vinyl-vinyl acetate lotion Or the mixture of two or more in these lotions.
Advantageous effects obtained by the present invention are：Good mechanical performance, bending/compressive strength rate is high, with tradition Pervious concrete is compared, and scaling property is more preferable, have good adhesion strength, good skid resistance, good drainability, especially It is that cost is very low.
Specific implementation mode
In order to enable the objectives, technical solutions, and advantages of the present invention are more clearly understood, with reference to embodiments, to this hair It is bright to be further elaborated；It should be appreciated that specific embodiment described herein is only used for explaining the present invention, it is not used to Limit the present invention.To those skilled in the art, after access is described in detail below, other systems of the present embodiment, Method and/or feature will become obvious.It is intended to all such additional systems, method, feature and advantage and is included in this It in specification, is included within the scope of the invention, and is protected by the appended claims.Following detailed description describes The other feature of the disclosed embodiments, and these characteristic roots will be apparent according to described in detail below.
Embodiment one.
The present invention provides a kind of concrete road, is laid with by base and wearing layer, wherein wearing layer directly coats In base, wherein the base is concrete base layer and the wearing layer is the modifies permeable concrete of polymer elasticity Layer, thickness are less than 4 centimetres, and void content is 5% to 20% volume, preferably 5% to 10% volume, and be present in the bullet Property modifies permeable concrete layer in the maximum gauge of elastomer aggregation be 10mm, and the wherein described elastomer changes Property permeable concrete layer 180,000 polishing cycles have more than 0.32 friction coefficient.Further, the coagulation Soil matrix layer is noiseless foam road surface or reinforced concrete pavement or enhancing concrete road surface or grinding coagulation soil.Further, The concrete base layer of the elastomer-modified permeable concrete layer coating is when constructing 28 days with the compression higher than 28MPa Intensity.Further, the concrete foundation layer of the solidification directly coated by elastomer-modified permeable concrete layer is being constructed With the flexing resistance higher than 10MPa at 28 days.Further, wherein concrete foundation layer and elastomer-modified permeable mixed Tensile bond strength between solidifying soil layer is higher than 3MPa.Further, the permeable concrete layer of the polymer modification is per m3 Including：375 kilograms of hydraulic binder, the wherein weight ratio of water/hydraulic binder are 0.4, and add 1500kg or so And a diameter of 10mm rubbles below, 100 to 500 kilograms of fine sand or middle sand or ultra fine sand, other are the elastomer. Further, the elastomer is styrene butadiene ribber lotion, neoprene latex, acrylic emulsion, acrylate breast Liquid, styrene-acrylate emulsion, vinyl lotion, ester-vinyl-vinyl acetate lotion or these lotions In the mixture of two or more, increase latex after through experiment significantly improve skid resistance.
In the porous cement concrete of the polymer modification, the hydraulic binder is any Ordinary Portland water Mud, CEM I, CEM II, CEM III, CEM IV or CEM V, cement standard EN 197-1.And in the concrete foundation layer Before hardening, the elastomer-modified permeable concrete layer is deposited directly to the concrete foundation layer.
Embodiment two.
The present invention provides a kind of concrete road, is laid with by base and wearing layer, wherein wearing layer directly coats In base, wherein the base is concrete base layer and the wearing layer is the modifies permeable concrete of polymer elasticity Layer, thickness are less than 4 centimetres, and void content is 5% to 20% volume, preferably 5% to 10% volume, and be present in the bullet Property modifies permeable concrete layer in the maximum gauge of elastomer aggregation be 10mm, and the wherein described elastomer changes Property permeable concrete layer 180,000 polishing cycles have more than 0.32 friction coefficient.Further, the coagulation Soil matrix layer is noiseless foam road surface or reinforced concrete pavement or enhancing concrete road surface or grinding coagulation soil.Further, The concrete base layer of the elastomer-modified permeable concrete layer coating is when constructing 28 days with the compression higher than 28MPa Intensity.Further, the concrete foundation layer of the solidification directly coated by elastomer-modified permeable concrete layer is being constructed With the flexing resistance higher than 10MPa at 28 days.Further, wherein concrete foundation layer and elastomer-modified permeable mixed Tensile bond strength between solidifying soil layer is higher than 3MPa.Further, the permeable concrete layer of the polymer modification is per m3 Including：375 kilograms of hydraulic binder, the wherein weight ratio of water/hydraulic binder are 0.4, and add 1500kg or so And a diameter of 10mm rubbles below, 100 to 500 kilograms of fine sand or middle sand or ultra fine sand, other are the elastomer. Further, the elastomer is the copolymer that elastomer is vinyl-(methyl) acrylate.
In the porous cement concrete of the polymer modification, the hydraulic binder is any Ordinary Portland water Mud, CEM I, CEM II, CEM III, CEM IV or CEM V, cement standard EN 197-1.And in the concrete foundation layer Before hardening, the elastomer-modified permeable concrete layer is deposited directly to the concrete foundation layer.
Embodiment three.
The present invention provides a kind of concrete road, is laid with by base and wearing layer, wherein wearing layer directly coats In base, wherein the base is concrete base layer and the wearing layer is the modifies permeable concrete of polymer elasticity Layer, thickness are less than 4 centimetres, and void content is 5% to 10% volume, and are present in described elastomer-modified permeable mixed The maximum gauge of the elastomer aggregation in soil layer is coagulated for 10mm, and the wherein described elastomer-modified permeable concrete layer There is the friction coefficient more than 0.32 in 180,000 polishing cycles.Further, the concrete base layer is noiseless foam road Face or reinforced concrete pavement or enhancing concrete road surface or grinding coagulation soil.Further, it is described it is elastomer-modified can The concrete base layer of infiltration concrete layer coating is when constructing 28 days with the compressive strength higher than 28MPa.Further, by bullet Property the concrete foundation layer of solidification that directly coats of modifies permeable concrete layer have when constructing 28 days and be higher than 10MPa Flexing resistance.Further, the stretching wherein between concrete foundation layer and elastomer-modified permeable concrete layer is viscous Knotting strength is higher than 3MPa.Further,
The permeable concrete layer of the polymer modification is per m3Including：375 kilograms of hydraulic binder, wherein water/ The weight ratio of hydraulic binder is 0.4, and adds 1500kg or so and a diameter of 10mm rubbles below, and 100 to 500 is public The fine sand or middle sand or ultra fine sand of jin, other are the elastomer.Further, it is acetic acid second that the elastomer, which is elastomer, The copolymer of enester-ethylene-(methyl) acrylate.
In the porous cement concrete of the polymer modification, the hydraulic binder is any Ordinary Portland water Mud, CEM I, CEM II, CEM III, CEM IV or CEM V, cement standard EN 197-1.And in the concrete foundation layer Before hardening, the elastomer-modified permeable concrete layer is deposited directly to the concrete foundation layer.
The concrete road surface processing method of the present embodiment be the concrete foundation layer hardening before, it is elastomer-modified Permeable concrete layer is deposited directly on concrete foundation layer.Therefore, this method need not improve coagulation including extra play Combination between soil matrix layer and elastomer-modified permeable concrete layer.Preferred building method is so-called " wet on wet "： Elastomer-modified permeable concrete layer is poured into a mould and is placed on before the final setting time of concrete foundation layer.
Such as concrete base layer is conventionally deposited, road may be already prepared to one or more underlayments (mainly aggregate).Underlayment is usually made by various sizes of rubble is mixed the formula for being formed and being gathered materials.Aggregate It is usually made of newly quarrying block, or allows to be made of Recycled Asphalt Pavement and/or portland cement concrete sometimes.Heavy After product concrete foundation layer, but before final setting, elastomer-modified permeable concrete layer is poured into a mould and is placed on On concrete foundation layer.This process is referred to as wet-wet process and allows good bond strength.For good with lower layer Bonding, it is proposed that upper layer is placed within one hour of lower concrete layer.
Concrete layer can be by dry solidification；This means that cured composite is may not be needed, plastic sheet.The water of adhesive Power reaction need not heat, i.e. the catalyst of UV processing.The negative roughness of top surface, makes road comfortableness and security, passes through It is such as compacted and realized by smooth device (roller) using well-known placement process.Other than the property having disclosed, The concrete road of the present invention is environmental-friendly (generally reduces and use additional chemicals).Noise reduction with it is very thin Bituminous concrete (BBTM) it is suitable.And for cost, it has competitiveness compared with bituminous concrete.
According to the road of the concrete road of the present embodiment component.This road is particularly suitable for vehicular traffic, including heavy duty And intense traffic.Especially road is highway.Another theme of the present invention is in elastomer-modified permeable concrete Using elastomer to improve the skid resistance of permeable concrete layer in layer.Elastomer and elastomer-modified permeable concrete layer As described above.
Experiment also has been carried out to concrete in the present embodiment and has met existing national standard, in experiment：
It is 4 centimetres that bending strength value, which is in width, is highly 7 centimetres, and length is that 16 centimetres of prismatic test sample exists It 20 DEG C, is measured after 7 days dry under 50% relative humidity；2 points of supports, centre force；It is applied to the power of sample dduring test Increased with the rate of 0.05kN/sec.
Although describing the present invention by reference to various embodiments above, but it is to be understood that do not departing from the present invention's In the case of range, many changes and modifications can be carried out.Therefore, be intended to foregoing detailed description be considered as it is illustrative and It is unrestricted, and it is to be understood that following following claims (including all equivalents) is intended to limit the spirit and model of the present invention It encloses.The above embodiment is interpreted as being merely to illustrate the present invention rather than limit the scope of the invention.It is reading After the content of the record of the present invention, technical staff can make various changes or modifications the present invention, these equivalence changes and Modification equally falls into the scope of the claims in the present invention.

Claims (7)

1. a kind of concrete road, is laid with by base and wearing layer, wherein wearing layer is directly coated on base, feature It is, wherein the base is concrete base layer and the wearing layer is elastomer-modified permeable concrete layer, it is thick Degree is less than 4 centimetres, and void content is 5% to 20% volume, preferably 5% to 10% volume, and is present in the elastic structural reform Property permeable concrete layer in elastomer aggregation maximum gauge be 10mm.
2. concrete road according to claim 1, which is characterized in that the concrete base layer be noiseless foam road surface, Reinforced concrete pavement or enhancing concrete road surface or grinding coagulation soil.
3. concrete road according to claim 2, which is characterized in that the elastomer-modified permeable concrete layer The concrete base layer of coating is when constructing 28 days with the compressive strength higher than 28MPa.
4. concrete road according to any one of the preceding claims, which is characterized in that oozed by elastomer-modified The concrete foundation layer for the solidification that saturating concrete layer directly coats is when constructing 28 days with the flexing resistance higher than 10MPa.
5. concrete road according to any one of the preceding claims, which is characterized in that wherein concrete foundation layer and Tensile bond strength between elastomer-modified permeable concrete layer is higher than 3MPa.
6. concrete road according to any one of the preceding claims, which is characterized in that the polymer modification can Concrete layer is permeated per m3Including：375 kilograms of hydraulic binder, the wherein weight ratio of water/hydraulic binder are 0.4, And add 1500kg or so and a diameter of 10mm rubbles below, 100 to 500 kilograms of fine sand or middle sand or ultra fine sand, other It is the elastomer.
7. concrete road according to any one of the preceding claims, which is characterized in that the elastomer is styrene Butadiene rubber latex, neoprene latex, acrylic emulsion, acrylic acid ester emulsion, styrene-acrylate emulsion, acetic acid Vinyl acetate-vac emulsion, the mixture of two or more in ester-vinyl-vinyl acetate lotion or these lotions.
CN201810330341.3A 2018-04-13 2018-04-13 A kind of concrete road Withdrawn CN108517736A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810330341.3A CN108517736A (en) 2018-04-13 2018-04-13 A kind of concrete road

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Application Number Priority Date Filing Date Title
CN201810330341.3A CN108517736A (en) 2018-04-13 2018-04-13 A kind of concrete road

Publications (1)

Publication Number Publication Date
CN108517736A true CN108517736A (en) 2018-09-11

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CN201810330341.3A Withdrawn CN108517736A (en) 2018-04-13 2018-04-13 A kind of concrete road

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109235175A (en) * 2018-10-31 2019-01-18 贵州理工学院 A kind of pavement structure of urban road

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109235175A (en) * 2018-10-31 2019-01-18 贵州理工学院 A kind of pavement structure of urban road

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Application publication date: 20180911