第37卷第1期粉煤灰综合利用Vol.37No.12023年2月FLYASHCOMPREHENSIVEUTILIZATIONFeb.2023材料科学玄武岩纤维对透水混凝土基本性能的影响研究*StudyontheInfluenceofBasaltFiberonBasicPropertiesofPerviousConcrete郭振东1,2,李峰3,万书金1,2,高庆力1,2,黄志强3(1.中交路桥建设有限公司,北京100027;2.中交瑞通建筑工程有限公司,北京101102;3.沈阳工业大学建筑与土木工程学院,辽宁沈阳110870)摘要:选取12、24mm两种长度的玄武岩纤维,以0.05%、0.1%、0.15%、0.2%等四种体积掺量制备透水混凝土,通过测定透水混凝土28d的抗压强度、抗折强度、孔隙率和透水系数,研究玄武岩纤维的长度和掺量对透水混凝土各项性能的影响。结果表明:玄武岩纤维的掺入有效提高了透水混凝土的强度,随着玄武岩纤维掺量的增加,抗压强度和抗折强度均呈现出先上升后下降的趋势;随着玄武岩纤维掺量的增加,透水性能逐渐下降,玄武岩纤维的掺入对透水性能产生不利影响;综合考虑强度和透水性能,适宜掺入的玄武岩纤维长度为24mm,掺量在0.1%~0.15%之间。关键词:透水混凝土;玄武岩纤维;强度;透水性能中图分类号:TU528.572文献标志码:A文章编号:1005-8249(2023)01-0036-05DOI:10.19860/j.cnki.issn1005-8249.2023.01.007GUOZhendong1,2,LIFeng3,WANShujin1,2,GAOQingli1,2,HUANGZhiqiang3(1.ChinaCommunicationsRoad&BridgeConstructionCo.,Ltd.,Beijing100027,China;2.CCCCRuitongConstructionEngineeringCo.,Ltd.,Beijing101102,China;3.SchoolofArchitectureandCivilEngineeringShenyangUniversityofTechnology,Shenyang110870,China)Abstract:Basaltfiberswithtwolengthsof12and24mmwereselectedtopreparepermeableconcretewithfourvolumedosagesof0.05%,0.1%,0.15%and0.2%.Theporosityandpermeabilitycoefficientwereusedtostudytheeffectofbasaltfiberlengthandcontentonthepropertiesofperviousconcrete.Theresultsshowthattheadditionofbasaltfibereffectivelyimprovesthestrengthofpermeableconcrete.Withtheincreaseofthecontentofbasaltfiber,thecompressivestrengthandflexuralstrengthshowatrendofincreasingfirstandthendecreasing;theadverseeffectisthatwiththeincreaseofbasaltfibercontent,thewaterpermeabilitygraduallydecreases;consideringthestrengthandwaterpermeability,thesuitablebasaltfiberlengthis2...