doi:10.3963/j.issn.1674-6066.2023.03.017免蒸养高性能混凝土轨枕的试验研究马军委,张慧明,方宇恒,李男(光明铁道控股有限公司,衢州324404)摘要:在高性能混凝土轨枕生产过程中引入新型超早强外加剂可以提高混凝土早期强度,实现免蒸养工艺。对比研究免蒸养工艺和蒸养工艺生产的混凝土轨枕力学性能、耐久性、静载抗裂强度和疲劳抗裂强度等性能指标,探索高性能混凝土轨枕免蒸养工艺在不同温度环境下应用的可行性。关键词:免蒸养;超早强外加剂;混凝土轨枕ExperimentalStudyonNon-steamCuringHigh-performanceConcreteSleeperMAJun-wei,ZHANGHui-ming,FANGYu-heng,LINan(GuangmingRailroadHoldingsCo,Ltd,Quzhou324404,China)Abstract:Theintroductionofnewultra-earlystrengthadditivesintheproductionprocessofhigh-performancecon-cretesleeperscanimprovetheearlystrengthofconcreteandrealizethenon-steamcuringprocess.Themechanicalprop-erties,durability,staticloadcrackresistanceandfatiguecrackresistanceofconcretesleepersproducedbythenon-steamcuringprocessandthesteamcuringprocesswerecomparedandstudied,andthefeasibilityoftheapplicationofthenon-steamcuringprocessofhigh-performanceconcretesleepersindifferenttemperatureenvironmentswasexplored.Keywords:non-steamcuring;ultraearlystrengthadmixture;concretesleeper收稿日期:2023-02-23.作者简介:马...