SBS改性沥青现场加工参数优化及性能研究.docx

SBS改性沥青现场加工参数优化及性能研究
摘要：
本文以SBS改性沥青现场施工为研究对象，通过对不同加工参数的调整和优化来改善沥青混合料的性能。通过对实验室制备和现场施工的沥青混合料进行性能测试，研究得出了不同加工参数下沥青混合料的物理和力学性能表现，并对其原因进行了分析。同时，本文对现场施工中填料温度、SBS改性沥青的粘度、搅拌时间和质量等关键参数进行了探讨。研究结果表明，适度调整和优化加工参数能够显著改善沥青混合料的物理力学性能，提高其抗水性和耐久性。
关键词：
SBS改性沥青，沥青混合料，加工参数，物理力学性能
Abstract:
Thispaperfocusesontheon-siteprocessingandoptimizationofdifferentparametersinSBSmodifiedasphalt,inordertoimprovetheperformanceofasphaltmixtures.Throughperformancetestingoflaboratorypreparedandon-siteinstalledasphaltmixtures,thephysicalandmechanicalpropertiesunderdifferentprocessingparameterswerestudied,andthereasonswereanalyzed.Atthesametime,thispaperdiscussesthekeyparameterssuchasfillertemperature,viscosityofSBSmodifiedasphalt,mixingtimeandqualityduringon-siteconstruction.Theresearchresultsshowthatmoderateadjustmentandoptimizationofprocessingparameterscansignificantlyimprovethephysicalandmechanicalpropertiesofasphaltmixtures,andenhancetheirwaterresistanceanddurability.
Keywords:
SBSmodifiedasphalt,asphaltmixture,processingparameters,physicalandmechanicalproperties
1.Introduction
SBS(Styrene-Butadiene-Styrene)modifiedasphaltisawidelyusedasphaltmodifyingagentthatcanenhancetheperformanceoftraditionalasphaltmixtures.ThehighlevelofcompatibilitybetweenSBSandasphaltmakesSBSmodifiedasphaltapopularchoiceforpavementconstruction,especiallyfortheconstructionofhigh-endroadssuchashighways.However,theuseofSBSmodifiedasphaltalsoposeschallengestoon-siteprocessingduetoitshighviscosity,poorfluidityandlowworkability.InordertoobtainsatisfactoryperformanceofSBSmodifiedasphalt,itisnecessarytooptimizetheprocessingparametersinon-siteconstruction.
Inthispaper,theon-siteprocessingandoptimizationofSBSmodifiedasphaltwasstudied,andthekeyprocessingparameterswereexploredinordertoimprovetheperformanceofasphaltmixtures.Thephysicalandmechanicalpropertiesofdifferentprocessingparametersweremeasuredtoidentifytheeffectsofdifferentparameters,andtodeterminetheoptimalprocessingparameters.
2.Materialsandequipment
2.1Rawmaterials
Therawmateri