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1、探究水泥混凝土路面应力吸收层的施工技术论文摘要:设置应力吸收层的水泥混凝土路面结构型式,对提高水泥混凝土路面的使用品质、改善路面的工作状况、延长使用寿命、减少养护工作量和养护费用、降低水泥混凝土路面全寿命费用具有重要意义,因此,本文开展水泥混凝土路面合理结构形式的研究是十分必要和及时的,有利于水泥混凝土路面的广泛应用。【pickto】papersettingstressabsorbinglayerofcementconcretepavementstructure,toimprovetheuseofcementconcretepavem
2、entquality,improvetheworkingconditionofpavementandprolongservicelife,reducemaintenanceworkloadandmaintenancecosts,lowerthecementconcretepavementlife-cyclecostsisimportant,therefore,thispapercarriedoutreasonablecementconcretepavementstructureintheformofstudyisverynecessa
3、ryandtimely,isbeneficialtothewideapplicationofcementconcretepavement. 0引言0theintroduction 应力吸收层设置于半刚性基层与水泥混凝土路面板之间,一般来说起应力吸收、隔离、防水和封水以及防止反射裂缝等作用。水泥混凝土路面板和半刚性基层之间设置的应力吸收层,具有集料细、矿粉用量大、油石比大、空隙率小、饱和度大等特点,因此,一般采用砂粒式或细粒式的密级配沥青混合料,本文记为YF型。Stressabsorbinglayerissetbetweensemi
4、-rigidbaseandcementconcretepavementplate,generallystressabsorption,isolation,waterproofandsealingwaterandpreventingreflectioncracks,andsoon.Cementconcretepavementplatebetweensemi-rigidbaseandsetthestressabsorbinglayer,hasalargedosageoffineaggregateandmineralpowder,oilst
5、oneratiobig,smallporosity,saturationetc,therefore,generallyusedforsandorfineparticletypedensegradationasphaltmixture,thisarticlenotesforYFtype. 1施工准备1constructionpreparation 1.1铺筑应力吸收层前,应检查基层的质量,不符合要求的不得铺筑应力吸收层1.1beforepavingstressabsorbedlayer,shouldcheckthequalityof
6、thegrass-roots,doesnotconformtotherequirementsofpavingstressabsorbinglayerisnotallowed 1.2基层必须彻底清扫干净,对有破损的情况进行处理1.2mustbethoroughlycleanatthegrassrootsleveltodealwiththereisanybreakagesituation 1.3沥青加工及沥青混合料施工温度应根据沥青标号、粘度及气候条件确定1.3constructionofasphaltandasphaltmixtur
7、etemperatureshouldbedeterminedaccordingtotheasphaltgrade,viscosity,andclimateconditions 2混合料的拌制Twomixing 2.1沥青混合料宜在沥青拌和厂(场、站)采用拌和机械拌制2.1appropriateasphaltmixtureinasphaltmixingplant,field,station)bymixingmachinemixing 2.2拌和厂与工地现场距离应充分考虑交通堵塞的可能,确保混合料的温度下降不超过要求2.2mixin
8、gplantandsitedistanceshouldfullyconsiderthepossibilityoftrafficjams,toensurethemixturetemperaturedropislesstha