高强混凝土和钢纤维高强混凝土构件大变形性能试验
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摘要
为在防护工程中更好地推广应用高强混凝土和钢纤维高强混凝土结构,完成了14组配筋高强混凝土和配筋钢纤维高强混凝土构件静载大变形试验,研究了压筋配筋率、拉筋配筋率、配箍率和钢纤维掺量等对构件大变形抗弯性能的影响。试验结果表明:合理配筋的高强混凝土和钢纤维高强混凝土构件具有较好的延性,能满足防护结构的要求。
To better promote the application of high-strength concrete structures and high-strength concrete structures with steel fiber in protective engineering,14 sets of high-strength concrete and reinforced steel fiber highstrength concrete members are tested for static deformation. The effects of the reinforcement ratio,the stirrup reinforcement ratio and the steel fiber content on the bending resistance of the large deformation of the members are studied. The test results show that the high-strength concrete and members of high-strength concrete with steel fiber with reasonable reinforcement have good ductility and can meet the requirements of protective structure.
To better promote the application of high-strength concrete structures and high-strength concrete structures with steel fiber in protective engineering,14 sets of high-strength concrete and reinforced steel fiber highstrength concrete members are tested for static deformation. The effects of the reinforcement ratio,the stirrup reinforcement ratio and the steel fiber content on the bending resistance of the large deformation of the members are studied. The test results show that the high-strength concrete and members of high-strength concrete with steel fiber with reasonable reinforcement have good ductility and can meet the requirements of protective structure.
引文
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[4]张明.钢筋钢纤维高强混凝土梁的疲劳性能及计算方法[D].郑州:郑州大学,2015.
[5]刘兰,卢亦焱,徐谦.钢筋钢纤维高强混凝土梁抗弯性能的试验研究[J].铁道学报,2010,32(5):130.
[6]刘申永,刘中宪,徐慎春,等.钢筋钢纤维高强混凝土柱横向承载静力试验研究[J].建筑结构,2016,46(4):74-78.
[7]刘平,李小康.高强钢筋钢纤维混凝土梁受弯性能试验研究[J].四川建筑科学研究,2018,44(6):47-50.
[8]丁红岩,刘源,邱实.高强箍筋约束高强混凝土轴心受压试验研究[J].建筑结构,2015,45(12):7-12.
[9]郑山锁,陶清林,胡义,等.型钢高强高性能混凝土梁抗弯性能试验研究[J].工程力学,2013,30(3):140-145.
[10]方小舟,孙孝明,韦宏.钢管高强混凝土剪力墙受剪性能试验研究[J].建筑结构学报,2018(11):82.
[11]江水德,江婕瑞.常规爆炸作用下土中浅埋高强混凝土结构试验[J].防护工程,2018,40(3):1.