玄武岩纤维-橡胶机场道面混凝土的性能研究  

Study on performance of basalt fiber-rubber airport pavement concrete

作　　者：王绍明 刘涛 于本田[1] 吕军 孙佳佳 周浩琦 WANG Shaoming;LIU Tao;YU Bentian;LYU Jun;SUN Jiajia;ZHOU Haoqi(School of Civil Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China;Power China Guiyang Engineering Corporation Limited,Guiyang 550081,China)

机构地区：[1]兰州交通大学土木工程学院,甘肃兰州730070 [2]中国电建集团贵阳勘测设计研究院有限公司,贵州贵阳550081

出　　处：《混凝土与水泥制品》2023年第9期58-63,共6页China Concrete and Cement Products

基　　金：中国铁路总公司科技研究开发计划项目(P2018G004);长江学者和创新团队发展计划项目(IRT_15R29);中国电力建设股份有限公司科技项目(XNZ/2020/KK-1-2)。

摘　　要：研究了玄武岩纤维掺量、橡胶颗粒掺量、水灰比对机场道面混凝土力学及耐久性能的影响,采用功效系数法评价了玄武岩纤维-橡胶机场道面混凝土的综合性能,确定了最佳配合比。结果表明:机场道面混凝土的最佳配合比为玄武岩纤维掺量0.3%、橡胶颗粒掺量10%、水灰比0.32,此时,试件的抗压强度、抗折强度、300次冻融循环后的相对动弹性模量较对照组分别提高了27.5%、19.6%、11.1%,6 h电通量和300次冻融循环后的质量损失率分别降低了33.8%、72.2%。The effects of basalt fiber content,rubber particle content and water-cement ratio on the mechanical properties and durability of airport pavement concrete were studied.The comprehensive performance of basalt fiber-rubber airport pavement concrete was evaluated by using the efficacy coefficient method,and the optimal mix proportion was determined.The results show that the optimal mix proportion for airport pavement concrete is basalt fiber content of 0.3%,rubber particle content of 10%,and water-cement ratio of 0.32.Under the condition,the compressive strength,flexural strength and relative dynamic elastic modulus after 300 freeze-thaw cycles of the specimens are increased by 27.5%,19.6%and 11.1%compared to the control group,respectively,and the 6 h electrical flux and mass loss rate after 300 freeze-thaw cycles are decreased by 33.8%and 72.2%,respectively.

关 键 词：机场道面混凝土 玄武岩纤维 橡胶颗粒 力学性能 耐久性能 功效系数法 

分 类 号：TU528.572[建筑科学—建筑技术科学]