CN107299576A - The low noise skid resistance layer and construction method of a kind of cement pavement - Google Patents

The low noise skid resistance layer and construction method of a kind of cement pavement Download PDF

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Publication number
CN107299576A
CN107299576A CN201710552075.4A CN201710552075A CN107299576A CN 107299576 A CN107299576 A CN 107299576A CN 201710552075 A CN201710552075 A CN 201710552075A CN 107299576 A CN107299576 A CN 107299576A
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China
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parts
low noise
skid resistance
resistance layer
cement pavement
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CN201710552075.4A
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Chinese (zh)
Inventor
陈际江
李晨光
扈利东
锡秀花
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SHANDONG DASHAN ROAD&BRIDGE Co Ltd
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SHANDONG DASHAN ROAD&BRIDGE Co Ltd
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Priority to CN2016105351179 priority Critical
Priority to CN201610535117.9A priority patent/CN106012746A/en
Application filed by SHANDONG DASHAN ROAD&BRIDGE Co Ltd filed Critical SHANDONG DASHAN ROAD&BRIDGE Co Ltd
Publication of CN107299576A publication Critical patent/CN107299576A/en
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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
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/35Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • 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
    • E01C1/00Design or layout of roads, e.g. for noise abatement, for gas absorption
    • E01C1/002Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
    • 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
    • E01C11/005Methods or materials for repairing pavings
    • 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
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/35Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • E01C7/353Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively bituminous binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively bituminous binders, e.g. for roughening or clearing
    • 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
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/35Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • E01C7/356Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively synthetic resin as a binder; Aggregate, fillers or other additives for application on or in the surface of toppings having exclusively synthetic resin as binder
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The present invention relates to technical field of highway maintenance technology, the low noise skid resistance layer and construction method of more particularly to a kind of cement pavement.(1)Construction section carries out close traffic, and local disease harm is put, road cleaning;(2)Using Construction traffic according to cement pavement interface layer agent, binding material, antiskid noise reduction aggregate, binding material, the order of surface protectant is either synchronously or asynchronously constructed successively, and 3 10mm preventive maintenance structure sheaf, i.e. low noise skid resistance layer are formed on former road surface;(3)After after new low noise skid resistance layer surface drying, rolled some times using pneumatic-tired rollers;(4)2 4h open to traffic after construction.The present invention has firm interlaminar bonding, low noise antiskid, beautification road surface, driving comfortable safety, quick open to traffic, low cost, service life length, the advantage of energy-conserving and environment-protective.

Description

The low noise skid resistance layer and construction method of a kind of cement pavement
(One)Technical field
The present invention relates to technical field of highway maintenance technology, the low noise skid resistance layer and construction party of more particularly to a kind of cement pavement Method.
(Two)Background technology
Cement concrete pavement has low cost, and the advantages of construction technology is simple in highway in China transportation network, occupies phase When important position, but cement concrete pavement driving noise is big, and easily polishing causes skid resistance not enough, and cement easy efflorescence in top layer takes off Fall, water resistant damage ability, road surface unsightly, easily it is reflective, cause road-ability poor, thus had a strong impact on drive a vehicle speed, Comfortableness and security, and the later stage have that maintenance project amount is big, the problems such as maintenance cost height are overlayed in existing cement pavement Bituminous concrete functional layer has the extensive market demand.
Existing cement pavement Paving Bituminous Concrete functional layer technology mainly have micro-surface area, Novachip ultra-thin wearing layers, Epoxy coating, 4cm heated bitumen concrete etc. is overlayed, the cohesive force that there is overlay and former road surface is not enough, easily form flaking, Noise is big, water shutoff not thoroughly, to cement pavement temperature deformation bad adaptability, easily form crack, cost height, long construction period, make With defects such as short lifes.Therefore need to develop a kind of interlaminar bonding firmly, low noise antiskid, beautification road surface, it is the comfortable safety of driving, fast Fast open to traffic, cost are low, service life length, the cement pavement asphalt functional layer of energy-conserving and environment-protective and construction method, with notable Social benefit and economic benefit.
(Three)The content of the invention
The invention overcomes the deficiencies of the prior art, and provides the low noise skid resistance layer and construction party of a kind of cement pavement Method.
The present invention is achieved through the following technical solutions:
A kind of low noise skid resistance layer of cement pavement, it is characterised in that:Either synchronously or asynchronously spill/spread successively on cement pavement Cloth:Cement pavement interface layer agent, binding material, antiskid noise reduction aggregate, binding material, surface protectant formation low noise antiskid work( Ergosphere.
The parts by weight of low noise skid resistance layer layers of material are matched:1-3 parts of cement pavement interface layer agent, bonding material 6-20 parts of material, 20-50 parts of antiskid noise reduction aggregate, 1-5 parts of surface protectant.
Wherein, the thickness of low noise skid resistance layer is 1-10mm.
Wherein, the cement pavement interface layer agent is Normal Atmospheric Temperature Liquid material, including surfactant, bleeding agent, high score The mixing of two or more in sub- binding agent, cement reinforcing agent.
Further, the agent of cement pavement interface layer is by surfactant, bleeding agent, high polymer binder, cement reinforcement The Normal Atmospheric Temperature Liquid material that agent is constituted by a certain percentage according to surface chemistry principle;The agent of cement pavement interface layer can strengthen emulsification Composite modified asphalt to the infiltration on former road surface, reinforcement cement, improve interlayer adhesion, low noise skid resistance layer and former road surface interlayer Adhesion strength(25 DEG C of pull-out tests)>=1.2MPa, prevents flaking.
Above-mentioned surfactant be lignin amine, quaternary ammonium salt or imidazoles in one or more of materials mixing; Wherein, lignin amine surfactants can be:Front three amination lignin, triethylamine lignin, primary amine lignin, secondary amine lignin Deng;Quaternary ammonium salt surface active agent can be:OTAC, double alkyl bi-quaternary ammonium salts etc..
Above-mentioned bleeding agent is kerosene, the mixing of one or more of materials in type siloxane;Wherein, Silicones can Think dimethyl silicone polymer, isobutyl ethyl triethoxy silicane etc..
Above-mentioned high polymer binder is one in polychloroprene latex, NBR latex, Petropols, terpene resin, epoxy resin The mixing of kind or different materials;Wherein, Petropols can be C5 Petropols, C9 Petropols etc..
Above-mentioned cement reinforcing agent is one kind or several in styrene-butadiene latex, polychloroprene latex, epoxy resin latex, polyaminoester emulsion Plant the mixing of material.
Described binding material can be but be not limited to heat modification pitch, diluting modification pitch, emulsified modified asphalt, epoxy Resin, polyurethane, carbamide resin.
It is further preferred that binding material is emulsification composite modified asphalt, the emulsification composite modified asphalt is dripped by matrix The composite modified emulsification of green grass or young crops, SBS, SBR, SEBS, epoxy resin, emulsifying agent, water is formed.Compared to used modified emulsifying asphalt tool There is solid content height, de-emulsification speed is fast, cohesive force is strong, viscoplasticity is strong, ageing-resistant, the excellent properties of high-low temperature resistant.
It is furthermore preferred that the emulsification composite modified asphalt is by 40-60 parts of matrix pitches, 5-10 parts of SBS, 3-8 parts of SBR, 1-4 Part SEBS, 2-5 parts of epoxy resin, 1-3 parts of emulsifying agents, the composite modified emulsification of 25-40 parts of water are formed.
Wherein, the antiskid noise reduction aggregate includes the mixing of building stones or building stones and functional stuffing.The building stones include the Black Warrior One or more in rock, diabase, diabase, limestone;The functional stuffing includes elastomer particle, hydraulic cement The mixing of one or both in material.The multi-texturing aggregate layer of the antiskid noise reduction aggregate formation 1-10mm.Antiskid noise reduction bone The formed aggregate layer of material provides good wearability, skid resistance, and driving noise is low, it is ensured that traffic safety and driving are comfortable Property.
Wherein, the surface protectant is a kind of thermo-cure crosslinking type high polymer binder emulsion, by styrene-acrylic emulsion, neoprene breast Two or more compoundings in liquid, polyurethane resin, epoxy resin, fluorocarbon resin are formed.Surface protectant, which has, to be prevented from opening Traffic viscous wheel at initial stage, long-term enhancing consolidation surface building stones, wear-resisting, high-low temperature resistant, ageing-resistant effect, prolonging service life of pavement Effect.
The construction method of the low noise skid resistance layer of cement pavement, it is characterised in that:(1)Construction section carries out closing friendship Logical, local disease harm is put, road cleaning;(2)Using Construction traffic according to cement pavement interface layer agent, composite modified drip is emulsified Green grass or young crops, antiskid noise reduction aggregate emulsifies composite modified asphalt, the order of surface protectant is either synchronously or asynchronously constructed successively, on former road surface Upper formation 1-10mm preventive maintenance structure sheaf, i.e. low noise skid resistance layer;(3)After after new low noise skid resistance layer surface drying, Rolled some times using pneumatic-tired rollers;(4)2-4h open to traffic after construction.
After tested, low noise skid resistance layer and the bond strength between layers on former road surface(25 DEG C of pull-out tests)>=1.2MPa, rubs Coefficient B PN >=55 are wiped, infiltration coefficient is 0, driving noise is low(Similar to SMA-13 pavement structures), cost is low, and service life is long >=6 years, quick open to traffic, energy-conserving and environment-protective.
Beneficial effect of the present invention:
(1)The present invention is using a variety of functional materials successively multilayer construction technology, it is ensured that low noise skid resistance layer and the layer on former road surface Between adhesion strength(25 DEG C of pull-out tests)>=1.2MPa, prevents flaking;Emulsification composite modified asphalt wraps antiskid drop completely Make an uproar aggregate and formed two layers of continuous asphalt membrane, to the temperature deformation strong adaptability of cement pavement, prevent the production of surface reflection crack It is raw, it is ensured that infiltration coefficient is 0;The surface structure and surface protection film of multi-texturing, it is ensured that coefficient of sliding resistance BPN >=55, it is ensured that OK Car noise is low(Similar to SMA-13 pavement structures), beautify road surface, the comfortable safety of driving, quick open to traffic, service life is long >=6 years, energy-conserving and environment-protective.The present invention has significant Social benefit and economic benefit;
(2)Existing cement pavement Paving Bituminous Concrete functional layer technology is not solved because of former road surface cement efflorescence and Lu Biao adhesions Low noise skid resistance layer and former road surface interlayer cementing caused by dust is not enough(25 DEG C of pull-out test < of bond strength between layers 0.3MPa), flaking is easily formed, service life is short.The cement pavement interface layer agent of first layer spread of the present invention can be right Cement reinforcement, changes the interface energy on former road surface, and influence of the reduction road table dust to interlaminar bonding promotes low noise skid resistance layer breast Change penetration depth of the composite modified asphalt to former road surface, it is ensured that interlayer adhesion(25 DEG C of pull-out tests of bond strength between layers >= 1.2MPa), flaking is prevented, service life is long;
(3)Existing cement pavement overlays Novachip ultra-thin wearing layers, epoxy coating, overlays 4cm heated bitumen concrete functional layers There is cost height, long construction period, the temperature deformation bad adaptability to cement pavement, easily form surface crack in technology.The present invention Functional layer and construction technology are contrasted with above technology, with cost is low, short construction period, change adaptability to the contracting of cement pavement temperature By force, the advantages of being not likely to produce surface crack;
(4)Existing cement pavement overlays micro-surfacing functional layer technology, micro-surface area layer to the temperature deformation bad adaptability of cement pavement, Surface crack is easily formed, easy to fall off, driving noise is big, use that binding material solid content is low, cohesive force is small, viscoplasticity is low, resistance to Aging is poor, and high and low temperature resistance is not enough, and service life is short.The present invention emulsification composite modified asphalt be by SBS, SBR, The Material cladding modified emulsifying such as SEBS, epoxy resin is formed, and has solid content height, demulsification compared to common modified emulsifying asphalt Speed is fast, cohesive force is big, viscoplasticity is strong, ageing-resistant, and the excellent properties of high-low temperature resistant, service life is long.
(Four)Embodiment
Embodiment 1:
Low noise skid resistance layer thickness 3mm:Using 1 part of cement pavement interface layer agent, the antiskid of 20 parts of 1.18-2.5mm particle diameters Noise reduction aggregate, 6 parts of emulsification composite modified asphalts, 2 portions of surface protectants, construction method:
(1)Close traffic:Traffic control is carried out according to the traffic closure solutions of determination;
(2)Original road surface local disease harm is put:Carry out the cementation of fissures, pit repairing etc.;
(3)Road cleaning:Clear up the debris such as road dust, clod;
(4)Constructed at low noise antiskid table:Special Construction traffic is according to " cement pavement interface layer agent → emulsification composite modified asphalt → noise reduction antiskid aggregate → emulsification composite modified asphalt → surface protectant " order successively either synchronously or asynchronously construct by multilayer;
(5)After being rolled 2-8 times using pneumatic-tired rollers after surface drying;
(6)2-4h open to traffic after construction.
Step 4)In:
The agent of cement pavement interface layer is by 2 parts of lignin amine surfactants, 2 parts of quaternary ammonium salt surface active agents, 2.5 parts of miaows Oxazoline surfactant, 8 parts of neoprene high polymer binders, 8 parts of NBR high polymer binders, 5.5 parts of Petropols high scores Sub- binding agent and 5.5 parts of epoxy resin high polymer binders, 2.5 parts of styrene-butadiene latex cement reinforcing agents, 2 parts of epoxy resin water Mud reinforcing agent and 5 portions of polyurethane cement reinforcing agents, 7.5 parts of kerosene bleeding agents, 4 parts of Silicones bleeding agent compoundings are formed.
Composite modified asphalt is emulsified by 45 parts of matrix pitches, 7 parts of SBS, 5 parts of SBR, 2 parts of SEBS, 3 parts of epoxy resin, emulsifications 2 parts of agent, the composite modified emulsification of 40 parts of water is formed.
Noise reduction antiskid aggregate is 55 parts of basalt building stones, 30 parts of diabase building stones, 35 parts of diabase building stones, 12 parts of limestone Building stones are equipped with 3.5 parts of high elastic rubber particles and 1.6 parts of hydraulic cementing materials compositions.
Surface protectant is by 6.5 parts of styrene-acrylic latexes, 2.5 parts of polychloroprene latexs, 3.5 parts of polyurethane resins, 4.5 parts of asphalt mixtures modified by epoxy resin Fat, 3.5 parts of fluorocarbon resin compoundings are formed.
In the present embodiment,
Lignin amine surfactants are:Front three amination lignin or triethylamine lignin or front three amination lignin and triethylamine lignin Any proportioning mixing;
Quaternary ammonium salt surface active agent is:OTAC.
Petropols are C5 Petropols.
Silicones are dimethyl silicone polymer.
Wherein emulsification composite modified asphalt with modified emulsifying asphalt index with now contrasting such as following table:
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.25MPa of bond strength between layers on former road surface;Infiltration system Number is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 62, driving noise are low, delayed reflex crack, Beautify road surface, quick open to traffic, cost is low, service life >=6 year, energy-conserving and environment-protective.
Embodiment 2:
Low noise skid resistance layer thickness 3mm:Using 1 part of cement pavement interface layer agent, the antiskid of 20 parts of 1.18-2.5mm particle diameters Noise reduction aggregate, 6 parts of emulsification composite modified asphalts, 2 portions of surface protectants, construction method:
(1)Close traffic:Traffic control is carried out according to the traffic closure solutions of determination;
(2)Original road surface local disease harm is put:Carry out the cementation of fissures, pit repairing etc.;
(3)Road cleaning:Clear up the debris such as road dust, clod;
(4)Constructed at low noise antiskid table:Special Construction traffic is according to " cement pavement interface layer agent → emulsification composite modified asphalt → noise reduction antiskid aggregate → emulsification composite modified asphalt → surface protectant " order successively either synchronously or asynchronously construct by multilayer;
(5)After being rolled 2-8 times using pneumatic-tired rollers after surface drying;
(6)2-4h open to traffic after construction.
Step 4)In:
The agent of cement pavement interface layer is by 1 part of lignin amine surfactants, 3 parts of quaternary ammonium salt surface active agents, 1 part of imidazoles Quinoline surfactant, 7 parts of neoprene high polymer binders, 9 parts of NBR high polymer binders, 5 parts of terpene resins, 7 parts of epoxies Resin high polymer binder, 2 portions of styrene-butadiene latex cement reinforcing agents, 2 portions of polychloroprene latex cement reinforcing agents and 6 parts of epoxy resin Cement reinforcing agent, 6 parts of Silicones bleeding agent compoundings are formed.
Composite modified asphalt is emulsified by 55 parts of matrix pitches, 8 parts of SBS, 4 parts of SBR, 4 parts of SEBS, 3 parts of epoxy resin, emulsifications 3 parts of agent, the composite modified emulsification of 30 parts of water is formed.
Noise reduction antiskid aggregate is that 90 parts of basalt building stones, 40 parts of limestone building stones are equipped with 4 parts of high elastic rubber particles and 1 part Hydraulic cementing materials is constituted.
Surface protectant is formed by 9 parts of styrene-acrylic latexes, 1 part of polyurethane resin, 8 parts of fluorocarbon resin compoundings.
In the present embodiment,
Lignin amine surfactants are:Primary amine lignin;
Quaternary ammonium salt surface active agent is:Double alkyl bi-quaternary ammonium salts.
Silicones are isobutyl ethyl triethoxy silicane.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.26MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 61, driving noise are low, and delayed reflex is split Seam, beautifies road surface, and quick open to traffic, cost is low, service life length >=6 year, energy-conserving and environment-protective.
Embodiment 3:
Low noise skid resistance layer thickness 3mm:Using 1 part of cement pavement interface layer agent, the antiskid of 20 parts of 1.18-2.5mm particle diameters Noise reduction aggregate, 6 parts of emulsification composite modified asphalts, 2 portions of surface protectants, construction method:
(1)Close traffic:Traffic control is carried out according to the traffic closure solutions of determination;
(2)Original road surface local disease harm is put:Carry out the cementation of fissures, pit repairing etc.;
(3)Road cleaning:Clear up the debris such as road dust, clod;
(4)Constructed at low noise antiskid table:Special Construction traffic is according to " cement pavement interface layer agent → emulsification composite modified asphalt → noise reduction antiskid aggregate → emulsification composite modified asphalt → surface protectant " order successively either synchronously or asynchronously construct by multilayer;
(5)After being rolled 2-8 times using pneumatic-tired rollers after surface drying;
(6)2-4h open to traffic after construction.
Step 4)In:
The agent of cement pavement interface layer is by 2 parts of quaternary ammonium salt surface active agents, 2 parts of imidazoline surfactants, 7 parts of neoprene height Molecular binder, 15 parts of epoxy resin high polymer binders, 10 polyurethane cement reinforcing agents, 12 parts of Silicones ooze Saturating agent compounding is formed.
Composite modified asphalt is emulsified by 40 parts of matrix pitches, 6 parts of SBS, 4 parts of SBR, 2 parts of SEBS, 4 parts of epoxy resin, emulsifications 2 parts of agent, the composite modified emulsification of 35 parts of water is formed.
Noise reduction antiskid aggregate is that 130 parts of diabase building stones are equipped with 4 parts of high elastic rubber particles and 2 parts of hydraulic cementing materials Composition.
Surface protectant is formed by 9 parts of polychloroprene latexs, 12 parts of fluorocarbon resin compoundings.
In the present embodiment,
Quaternary ammonium salt surface active agent is:OTAC and double alkyl bi-quaternary ammonium salts 1:1 mixing compounding.
Silicones can be dimethyl silicone polymer and isobutyl ethyl triethoxy silicane 2:1 compounding.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.23MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 61, driving noise are low, and delayed reflex is split Seam, beautifies road surface, and quick open to traffic, cost is low, service life length >=6 year, energy-conserving and environment-protective.
Embodiment 4:
Low noise skid resistance layer thickness 6mm:Using 1 part of cement pavement interface layer agent, the antiskid noise reduction bone of 60 parts of 3-5mm particle diameters Material, 10 parts of emulsification composite modified asphalts, 2.5 portions of surface protectants, construction method:
(1)Close traffic:Traffic control is carried out according to the traffic closure solutions of determination;
(2)Original road surface local disease harm is put:Carry out the cementation of fissures, pit repairing etc.;
(3)Road cleaning:Clear up the debris such as road dust, clod;
(4)Constructed at low noise antiskid table:Special Construction traffic is according to " cement pavement interface layer agent → emulsification composite modified asphalt → noise reduction antiskid aggregate → emulsification composite modified asphalt → surface protectant " order successively either synchronously or asynchronously construct by multilayer;
(5)After being rolled 2-8 times using pneumatic-tired rollers after surface drying;
(6)2-4h open to traffic after construction.
Step 4)In:
The agent of cement pavement interface layer is by 2 parts of lignin amine surfactants, 2 parts of quaternary ammonium salt surface active agents, 2.5 parts of miaows Oxazoline surfactant, 8 parts of neoprene high polymer binders, 8 parts of NBR high polymer binders, 5.5 parts of Petropols high scores Sub- binding agent and 5.5 parts of epoxy resin high polymer binders, 2.5 parts of styrene-butadiene latex cement reinforcing agents, 2 parts of epoxy resin water Mud reinforcing agent and 5 portions of polyurethane cement reinforcing agents, 7.5 parts of kerosene bleeding agents, 4 parts of Silicones bleeding agent compoundings are formed.
Composite modified asphalt is emulsified by 45 parts of matrix pitches, 7 parts of SBS, 5 parts of SBR, 2 parts of SEBS, 3 parts of epoxy resin, emulsifications 2 parts of agent, the composite modified emulsification of 40 parts of water is formed.
Noise reduction antiskid aggregate is 55 parts of basalt building stones, 30 parts of diabase building stones, 35 parts of diabase building stones, 12 parts of limestone Building stones are equipped with 3.5 parts of high elastic rubber particles and 1.6 parts of hydraulic cementing materials compositions.
Surface protectant is by 6.5 parts of styrene-acrylic latexes, 2.5 parts of polychloroprene latexs, 3.5 parts of polyurethane resins, 4.5 parts of asphalt mixtures modified by epoxy resin Fat, 3.5 parts of fluorocarbon resin compoundings are formed.
In the present embodiment,
Lignin amine surfactants are:Front three amination lignin or triethylamine lignin or front three amination lignin and triethylamine lignin Any proportioning mixing;
Quaternary ammonium salt surface active agent is:OTAC.
Petropols are C5 Petropols.
Silicones are dimethyl silicone polymer.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.4MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 57, driving noise are low, and delayed reflex is split Seam, beautifies road surface, and quick open to traffic, cost is low, service life >=6 year, energy-conserving and environment-protective.
Embodiment 5:
Low noise skid resistance layer thickness 6mm:Using 1 part of cement pavement interface layer agent, the antiskid noise reduction bone of 60 parts of 3-5mm particle diameters Material, 10 parts of emulsification composite modified asphalts, 2.5 portions of surface protectants, construction method:
(1)Close traffic:Traffic control is carried out according to the traffic closure solutions of determination;
(2)Original road surface local disease harm is put:Carry out the cementation of fissures, pit repairing etc.;
(3)Road cleaning:Clear up the debris such as road dust, clod;
(4)Constructed at low noise antiskid table:Special Construction traffic is according to " cement pavement interface layer agent → emulsification composite modified asphalt → noise reduction antiskid aggregate → emulsification composite modified asphalt → surface protectant " order successively either synchronously or asynchronously construct by multilayer;
(5)After being rolled 2-8 times using pneumatic-tired rollers after surface drying;
(6)2-4h open to traffic after construction.
Step 4)In:
The agent of cement pavement interface layer is by 2 parts of lignin amine surfactants, 2 parts of quaternary ammonium salt surface active agents, 2.5 parts of miaows Oxazoline surfactant, 8 parts of neoprene high polymer binders, 8 parts of NBR high polymer binders, 5.5 parts of Petropols high scores Sub- binding agent and 5.5 parts of epoxy resin high polymer binders, 2.5 parts of aromatic naphtha bitumen regenerants, 2 parts of naphthenic oil bitumen regenerants Formed with 5 parts of fatty acid ester bitumen regenerant compoundings.
Composite modified asphalt is emulsified by 56 parts of matrix pitches, 7 parts of SBS, 5 parts of SBR, 2 parts of SEBS, 3 parts of epoxy resin, emulsifications 2 parts of agent, the composite modified emulsification of 35 parts of water is formed.
Noise reduction antiskid aggregate is 55 parts of basalt building stones, 30 parts of diabase building stones, 35 parts of diabase building stones, 12 parts of limestone Building stones are equipped with 3.5 parts of high elastic rubber particles.
Surface protectant is by 6.5 parts of styrene-acrylic latexes, 2.5 parts of polychloroprene latexs, 3.5 parts of polyurethane resins, 4.5 parts of asphalt mixtures modified by epoxy resin Fat, 3.5 parts of fluorocarbon resin compoundings are formed.
In the present embodiment,
Lignin amine surfactants are:Front three amination lignin or triethylamine lignin or front three amination lignin and triethylamine lignin Any proportioning mixing;
Quaternary ammonium salt surface active agent is:OTAC.
Petropols are C5 Petropols.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.42MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 57, driving noise are low, and delayed reflex is split Seam, beautifies road surface, and quick open to traffic, cost is low, service life >=6 year, energy-conserving and environment-protective.
Embodiment 6:
Low noise skid resistance layer thickness 6mm:Using 1 part of cement pavement interface layer agent, the antiskid noise reduction bone of 60 parts of 3-5mm particle diameters Material, 10 parts of emulsification composite modified asphalts, 2.5 portions of surface protectants, construction method:
(1)Close traffic:Traffic control is carried out according to the traffic closure solutions of determination;
(2)Original road surface local disease harm is put:Carry out the cementation of fissures, pit repairing etc.;
(3)Road cleaning:Clear up the debris such as road dust, clod;
(4)Constructed at low noise antiskid table:Special Construction traffic is according to " cement pavement interface layer agent → emulsification composite modified asphalt → noise reduction antiskid aggregate → emulsification composite modified asphalt → surface protectant " order successively either synchronously or asynchronously construct by multilayer;
(5)After being rolled 2-8 times using pneumatic-tired rollers after surface drying;
(6)2-4h open to traffic after construction.
Step 4)In:
The agent of cement pavement interface layer is by 2 parts of quaternary ammonium salt surface active agents, 2 parts of imidazoline surfactants, 7 parts of neoprene height Molecular binder, 15 parts of epoxy resin high polymer binders, 10 polyurethane cement reinforcing agents, 12 parts of Silicones ooze Saturating agent compounding is formed.
Composite modified asphalt is emulsified by 40 parts of matrix pitches, 6 parts of SBS, 4 parts of SBR, 2 parts of SEBS, 4 parts of epoxy resin, emulsifications 2 parts of agent, the composite modified emulsification of 35 parts of water is formed.
Noise reduction antiskid aggregate is that 130 parts of diabase building stones are equipped with 4 parts of high elastic rubber particles and 2 parts of hydraulic cementing materials Composition.
Surface protectant is formed by 9 parts of polychloroprene latexs, 12 parts of fluorocarbon resin compoundings.
In the present embodiment,
Quaternary ammonium salt surface active agent is:OTAC and double alkyl bi-quaternary ammonium salts 1:1 mixing compounding.
Silicones can be dimethyl silicone polymer and isobutyl ethyl triethoxy silicane 2:1 compounding.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.41MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 57, driving noise are low, and delayed reflex is split Seam, beautifies road surface, and quick open to traffic, cost is low, service life >=6 year, energy-conserving and environment-protective.
Embodiment 7:
Low noise skid resistance layer thickness 10mm:Using 1 part of cement pavement interface layer agent, the antiskid noise reduction of 90 parts of 6-8mm particle diameters Aggregate, 15 parts of emulsification composite modified asphalts, 3 portions of surface protectants, construction method:
(1)Close traffic:Traffic control is carried out according to the traffic closure solutions of determination;
(2)Original road surface local disease harm is put:Carry out the cementation of fissures, pit repairing etc.;
(3)Road cleaning:Clear up the debris such as road dust, clod;
(4)Constructed at low noise antiskid table:Special Construction traffic is according to " cement pavement interface layer agent → emulsification composite modified asphalt → noise reduction antiskid aggregate → emulsification composite modified asphalt → surface protectant " order successively either synchronously or asynchronously construct by multilayer;
(5)After being rolled 2-8 times using pneumatic-tired rollers after surface drying;
(6)2-4h open to traffic after construction.
Step 4)In:
The agent of cement pavement interface layer is by 2 parts of lignin amine surfactants, 2 parts of quaternary ammonium salt surface active agents, 2.5 parts of miaows Oxazoline surfactant, 8 parts of neoprene high polymer binders, 8 parts of NBR high polymer binders, 5.5 parts of Petropols high scores Sub- binding agent and 5.5 parts of epoxy resin high polymer binders, 2.5 parts of styrene-butadiene latex cement reinforcing agents, 2 parts of epoxy resin water Mud reinforcing agent and 5 portions of polyurethane cement reinforcing agents, 7.5 parts of kerosene bleeding agents, 4 parts of Silicones bleeding agent compoundings are formed.
Composite modified asphalt is emulsified by 45 parts of matrix pitches, 7 parts of SBS, 5 parts of SBR, 2 parts of SEBS, 3 parts of epoxy resin, emulsifications 2 parts of agent, the composite modified emulsification of 40 parts of water is formed.
Noise reduction antiskid aggregate is 55 parts of basalt building stones, 30 parts of diabase building stones, 35 parts of diabase building stones, 12 parts of limestone Building stones are equipped with 3.5 parts of high elastic rubber particles and 1.6 parts of hydraulic cementing materials compositions.
Surface protectant is by 6.5 parts of styrene-acrylic latexes, 2.5 parts of polychloroprene latexs, 3.5 parts of polyurethane resins, 4.5 parts of asphalt mixtures modified by epoxy resin Fat, 3.5 parts of fluorocarbon resin compoundings are formed.
In the present embodiment,
Lignin amine surfactants are:Front three amination lignin or triethylamine lignin or front three amination lignin and triethylamine lignin Any proportioning mixing;
Quaternary ammonium salt surface active agent is:OTAC.
Petropols are C5 Petropols.
Silicones are dimethyl silicone polymer.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.5MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 56, driving noise are low, and delayed reflex is split Seam, beautifies road surface, and quick open to traffic, cost is low, service life >=6 year, energy-conserving and environment-protective.
Embodiment 8:
Low noise skid resistance layer thickness 10mm:Using 1 part of cement pavement interface layer agent, the antiskid noise reduction of 90 parts of 6-8mm particle diameters Aggregate, 15 parts of emulsification composite modified asphalts, 3 portions of surface protectants, construction method:
(1)Close traffic:Traffic control is carried out according to the traffic closure solutions of determination;
(2)Original road surface local disease harm is put:Carry out the cementation of fissures, pit repairing etc.;
(3)Road cleaning:Clear up the debris such as road dust, clod;
(4)Constructed at low noise antiskid table:Special Construction traffic is according to " cement pavement interface layer agent → emulsification composite modified asphalt → noise reduction antiskid aggregate → emulsification composite modified asphalt → surface protectant " order successively either synchronously or asynchronously construct by multilayer;
(5)After being rolled 2-8 times using pneumatic-tired rollers after surface drying;
(6)2-4h open to traffic after construction.
Step 4)In:
The agent of cement pavement interface layer is by 3 parts of lignin amine surfactants, 4 parts of quaternary ammonium salt surface active agents, 15 parts of fourths Nitrile glue high polymer binder, 8 parts of Petropols high polymer binders, 4 parts of naphthenic oil bitumen regenerants and 6 parts of fatty acid ester pitches Regenerative agent, 6 parts of kerosene bleeding agents, 4 parts of Silicones bleeding agent compoundings are formed.
Composite modified asphalt is emulsified by 58 parts of matrix pitches, 5 parts of SBS, 7 parts of SBR, 1 part of SEBS, 5 parts of epoxy resin, emulsifications 3 parts of agent, the composite modified emulsification of 30 parts of water is formed.
Noise reduction antiskid aggregate is that 90 parts of basalt building stones, 80 parts of limestone building stones are equipped with 5 parts of high elastic rubber particles and 3 parts Hydraulic cementing materials.
Surface protectant is formed by 10 parts of polychloroprene latexs, 3 parts of polyurethane resins, 9 parts of fluorocarbon resin compoundings.
In the present embodiment,
Lignin amine surfactants are:Front three amination lignin, triethylamine lignin, primary amine lignin are according to 1:2:3 compoundings;
Quaternary ammonium salt surface active agent is:OTAC, double alkyl bi-quaternary ammonium salts are according to 3:1 compounding.
Petropols are C5 Petropols and C9 Petropols according to 4:1 compounding.
Silicones can be dimethyl silicone polymer and isobutyl ethyl triethoxy silicane 8:1 compounding.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.52MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 56, driving noise are low, and delayed reflex is split Seam, beautifies road surface, and quick open to traffic, cost is low, service life >=6 year, energy-conserving and environment-protective.
Embodiment 9:
Low noise skid resistance layer thickness 10mm:Using 1 part of cement pavement interface layer agent, the antiskid noise reduction of 90 parts of 6-8mm particle diameters Aggregate, 15 parts of emulsification composite modified asphalts, 3 portions of surface protectants, construction method:
(1)Close traffic:Traffic control is carried out according to the traffic closure solutions of determination;
(2)Original road surface local disease harm is put:Carry out the cementation of fissures, pit repairing etc.;
(3)Road cleaning:Clear up the debris such as road dust, clod;
(4)Constructed at low noise antiskid table:Special Construction traffic is according to " cement pavement interface layer agent → emulsification composite modified asphalt → noise reduction antiskid aggregate → emulsification composite modified asphalt → surface protectant " order successively either synchronously or asynchronously construct by multilayer;
(5)After being rolled 2-8 times using pneumatic-tired rollers after surface drying;
(6)2-4h open to traffic after construction.
Step 4)In:
The agent of cement pavement interface layer is by 2 parts of quaternary ammonium salt surface active agents, 2 parts of imidazoline surfactants, 7 parts of neoprene height Molecular binder, 15 parts of epoxy resin high polymer binders, 10 polyurethane cement reinforcing agents, 12 parts of Silicones ooze Saturating agent compounding is formed.
Composite modified asphalt is emulsified by 40 parts of matrix pitches, 6 parts of SBS, 4 parts of SBR, 2 parts of SEBS, 4 parts of epoxy resin, emulsifications 2 parts of agent, the composite modified emulsification of 35 parts of water is formed.
Noise reduction antiskid aggregate is that 130 parts of diabase building stones are equipped with 4 parts of high elastic rubber particles and 2 parts of hydraulic cementing materials Composition.
Surface protectant is formed by 9 parts of polychloroprene latexs, 12 parts of fluorocarbon resin compoundings.
In the present embodiment,
Quaternary ammonium salt surface active agent is:OTAC and double alkyl bi-quaternary ammonium salts 1:1 mixing compounding.
Silicones can be dimethyl silicone polymer and isobutyl ethyl triethoxy silicane 2:1 compounding.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.49MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 56, driving noise are low, and delayed reflex is split Seam, beautifies road surface, and quick open to traffic, cost is low, service life >=6 year, energy-conserving and environment-protective.
Embodiment 10
The present embodiment is differed only in embodiment 4, and the surfactant in interface layer agent is only with 6.5 parts of imidazoline tables Face activating agent.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.37MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 56, driving noise are low, and delayed reflex is split Seam, beautifies road surface, quick open to traffic, service life length >=6 year, energy-conserving and environment-protective.
Embodiment 11
The present embodiment is differed only in embodiment 4, and 27 parts of epoxy resin are used only in high polymer binder in interface layer agent High polymer binder.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.37MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 56, driving noise are low, and delayed reflex is split Seam, beautifies road surface, quick open to traffic, service life length >=6 year, energy-conserving and environment-protective.
Embodiment 12
The present embodiment is differed only in embodiment 4, and binding material selects commercially available common modified emulsifying asphalt.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.38MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 56, driving noise are low, and delayed reflex is split Seam, beautifies road surface, quick open to traffic, service life length >=5 year, energy-conserving and environment-protective.
Because common modified emulsifying asphalt pavement performance is significantly lower than present invention emulsification composite modified asphalt used, such as will The emulsification composite modified asphalt of the present invention is substituted for commercially available common modified emulsifying asphalt, and service life of road surface has a certain degree of Shorten.
Embodiment 13
The present embodiment is differed only in embodiment 4, binding material selection heat modification pitch.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 0.6MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 56, driving noise are low, and delayed reflex is split Seam, beautifies road surface, quick open to traffic, service life length >=5 year.
Embodiment 14
The present embodiment is differed only in embodiment 4:1st, binding material selection epoxy resin;2nd, the thickness of new conservation layer is formed For 1mm.
Effect after implementation:New conservation layer and 25 DEG C of pull-out test 1.6MPa of bond strength between layers on former road surface;Infiltration coefficient For 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 50, driving noise are low, delayed reflex crack, beautiful Change road surface, quick open to traffic, service life length >=8 year, energy-conserving and environment-protective.
Comparative example 1
This comparative example is differed only in embodiment 4, not comprising interface layer agent, directly bonds material to maintenance road surface spread Material.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 0.4MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure and surface protection film of multi-texturing, coefficient of sliding resistance BPN 56, driving noise are low, and delayed reflex is split Seam, beautification road surface, quick open to traffic, service life shortening 2 years, the old and new road surface will occurs in general 4 years compared with Example 1 Delamination.
Illustrate that the adhesion on the old and new road surface has been significantly greatly increased in the spread of interface layer agent, it is to avoid the flaking of the old and new road surface Phenomenon, greatly extends service life of road surface.
Comparative example 2
This comparative example is differed only in embodiment 4, is binding material not comprising surface protectant, i.e. most surface.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 1.37MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure of multi-texturing, coefficient of sliding resistance BPN 49, driving noise is low, delayed reflex crack, beautifies road surface, with Extension 2 hours could open to traffic, service life shortening 2 years after embodiment 1 is dry compared to surface.
Do not construct surface protection layer material, open to traffic wheel easy to stick at initial stage, the easy aging of top layer binding material, high-low temperature resistant Performance and anti-wear performance are poor;The spread of surface protectant can realize quick open to traffic, and substantially prolongs the pavement usage longevity Life.
Comparative example 3
This comparative example is differed only in embodiment 4, not comprising interface layer agent and surface protectant, i.e., directly to maintenance road Face spread binding material, and most surface is also binding material.
Effect after implementation:Low noise skid resistance layer and 25 DEG C of pull-out test 0.3MPa of bond strength between layers on former road surface;Ooze Water coefficient is 0;The surface structure of multi-texturing, coefficient of sliding resistance BPN 49, driving noise is low, delayed reflex crack, beautifies road surface, with Embodiment 1 is compared, and the dry extension in surface 2 hours could open to traffic, service life shortening 3 years.Low noise antiskid occurs within general 3 years Functional layer is disengaged with former road surface, and the phenomenon of road wear.
Do not construct interface layer agent, new maintenance road surface and former road surface cohesive force are poor, new maintenance road surface and original easily occur Road surface flaking phenomenon.
Do not construct surface protection agent material, open to traffic wheel easy to stick at initial stage, the easy aging of top layer binding material, high-low temperature resistant Performance and anti-wear performance are poor.The spread of surface protectant can realize quick open to traffic, and substantially prolongs the pavement usage longevity Life.

Claims (10)

1. a kind of low noise skid resistance layer of cement pavement, it is characterised in that:Either synchronously or asynchronously spill/spread successively on cement pavement Interfacial agents between cloth cement road surface layer, binding material, antiskid noise reduction aggregate, binding material, surface protectant formation low noise antiskid work( Ergosphere.
2. the low noise skid resistance layer of cement pavement according to claim 1, it is characterised in that:The low noise antiskid function The parts by weight of layer layers of material, which are matched, is:1-3 parts of cement pavement interface layer agent, emulsification 6-20 part of composite modified asphalt, resist Downhill race is made an uproar 20-50 parts of aggregate, 1-5 parts of surface protectant.
3. the low noise skid resistance layer of cement pavement according to claim 1, it is characterised in that:The cement pavement interlayer Interfacial agents be Normal Atmospheric Temperature Liquid material, including surfactant, bleeding agent, high polymer binder, cement reinforcing agent in two kinds or A variety of mixing.
4. the low noise skid resistance layer of cement pavement according to claim 3, it is characterised in that:The surfactant is The mixing of one or more of materials in lignin amine, quaternary ammonium salt or imidazoles;During bleeding agent is kerosene, type siloxane The mixing of one or more of materials;High polymer binder is polychloroprene latex, NBR latex, Petropols, terpene resin, asphalt mixtures modified by epoxy resin The mixing of one or more of materials in fat;Cement reinforcing agent is styrene-butadiene latex, polychloroprene latex, epoxy resin latex, polyurethane The mixing of one or more of materials in emulsion.
5. the low noise skid resistance layer of cement pavement according to claim 1, it is characterised in that:Binding material is multiple for emulsification Modified pitch is closed, the emulsification composite modified asphalt is combined by matrix pitch, SBS, SBR, SEBS, epoxy resin, emulsifying agent, water Modified emulsifying is formed.
6. the low noise skid resistance layer of cement pavement according to claim 1, it is characterised in that:The antiskid noise reduction aggregate Mixing including building stones or building stones and functional stuffing.
7. the low noise skid resistance layer of cement pavement according to claim 6, it is characterised in that:The building stones include the Black Warrior One or more in rock, diabase, diabase, limestone;The functional stuffing includes elastomer particle, hydraulic cement The mixing of one or both in material.
8. the low noise skid resistance layer of cement pavement according to claim 6, it is characterised in that:The antiskid noise reduction aggregate Form 1-10mm multi-texturing aggregate layer.
9. the low noise skid resistance layer of cement pavement according to claim 1, it is characterised in that:The surface protectant is A kind of thermo-cure crosslinking type high polymer binder emulsion, by styrene-acrylic emulsion, neoprene emulsion, polyurethane resin, epoxy resin, fluorine carbon tree Two or more compoundings in fat are formed.
10. the construction method of the low noise skid resistance layer of cement pavement according to claim 1, it is characterised in that:(1)Apply Work section carries out close traffic, and local disease harm is put, road cleaning;(2)Using Construction traffic according to cement pavement interface layer Agent, binding material, antiskid noise reduction aggregate, binding material, the order of surface protectant is either synchronously or asynchronously constructed successively, on former road surface Upper formation 1-10mm preventive maintenance structure sheaf, i.e. low noise skid resistance layer;(3)After after new low noise skid resistance layer surface drying, Rolled some times using pneumatic-tired rollers;(4)2-4h open to traffic after construction.
CN201710552075.4A 2016-07-08 2017-07-07 The low noise skid resistance layer and construction method of a kind of cement pavement Pending CN107299576A (en)

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CN201710551462.6A Pending CN107386036A (en) 2016-07-08 2017-07-07 A kind of road surface preventive maintenance method of low noise antiskid
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CN107288002A (en) 2017-10-24
CN107299586A (en) 2017-10-27

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