玉米秸秆-轮胎钢丝混杂纤维混凝土的抗压性能和抗冻性能研究
Study on Compression and Frost Resistance of Corn Straw-tire Steel Wire Hybrid Fiber Concrete
王端阳 1毕重 1何秀彬 1张恩涛 1任莉莉2
作者信息
- 1. 辽宁工业大学土木建筑工程学院,锦州 121001
- 2. 辽宁铁道职业技术学院铁道工程学院,锦州 121001
- 折叠
摘要
通过在混凝土中添加不同掺量的玉米秸秆纤维和轮胎刚丝纤维,分析了玉米秸秆纤维和废旧轮胎钢丝纤维的掺量对混凝土 7 d和 28 d的立方体抗压强度的影响,同时也进行了抗冻性试验.研究表明:在适量的纤维掺量下,玉米秸秆纤维和轮胎钢丝纤维对混凝土 7 d和 28 d的立方体抗压强度都具有提升效果,最优组掺量为0.6%的玉米秸秆纤维,1.0%的轮胎钢丝纤维,抗压强度分别比基准组提高了 8.78%和 15.92%;两种纤维的掺入也提高了混凝土的抗冻性,最优组较基准组在冻融循环 25、50、75 次时的损失率分别降低3.63%、4.46%、7.31%.
Abstract
In concrete by adding different content of corn stalk fiber and tire just silk fiber,corn straw stalk fiber and waste tires are analyzed of steel fiber content on concrete 7 d and 28 d cube compressive strength,the influence of and the frost resistance test.The results show that,under the appropriate fiber content,corn straw fiber and tire wire fiber can improve the 7-day and 28-day cubic compressive strength of concrete.The optimal group is 0.6%corn straw fiber and 1.0%tire wire fiber,and the compressive strength is 8.78%and 15.92%higher than that of the reference group respectively.The addition of two kinds of fibers also improved the freezing resistance of concrete,and the loss rate of the optimal group was 3.63%,4.46%and 7.31%lower than that of the benchmark group at 25,50 and 75 freeze-thaw cycles,respectively.
关键词
纤维混凝土/玉米秸秆纤维/轮胎钢丝纤维/抗压强度/抗冻性能Key words
fiber reinforced concrete/corn straw fiber/tire steel wire fiber/Compressive strength/frost resistance引用本文复制引用
基金项目
辽宁工业大学大学生创新创业训练计划(S202210154032)
出版年
2024
NETL
NSTL
万方数据