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聚丙烯纤维在控制水泥砼裂缝方面的探讨
引用本文:吕玉蓉,梁乃兴.聚丙烯纤维在控制水泥砼裂缝方面的探讨[J].重庆交通大学学报(自然科学版),2006,25(1):31-34.
作者姓名:吕玉蓉  梁乃兴
作者单位:重庆交通学院,土木建筑学院,重庆,400074;重庆交通学院,土木建筑学院,重庆,400074
摘    要:自从有水泥砼以来,裂缝问题就一直困扰着人们.裂缝的存在不仅影响建筑物的外观,而且影响构件的刚度和结构的整体性,从而影响建筑物的正常使用.如何解决这一问题渐渐成为人们关注的焦点.本文简单分析了砼裂缝类型及成因,并通过水泥砂浆抗塑性干缩开裂试验说明聚丙烯纤维在水泥基材料抗塑性干缩开裂能力方面的作用.

关 键 词:砼裂缝  素水泥砂浆  聚丙烯纤维水泥砂浆  抗塑性干缩开裂
文章编号:1001-716X(2006)01-0031-04
修稿时间:2004年11月4日

Study of polypropylene fiber at controlling concrete crack
LV Yu-rong,LIANG Nai-xing.Study of polypropylene fiber at controlling concrete crack[J].Journal of Chongqing Jiaotong University,2006,25(1):31-34.
Authors:LV Yu-rong  LIANG Nai-xing
Abstract:Since there is cement concrete,the crack problem have had been obsessing people.The existence of crack not only affects the appearance of the building,but also influences the rigidity of the construction number and the capability of the whole structure,pursuantly it affects the normal usage of the building.So how to resolve this problem becomes the focus of people's attention gradually.This text has analyzed the concrete crack type and the cause of the crack in brief,and given an experiment on the cement sand syrup, the result has proved that the effection of the polypropylene fiber is remarkable.
Keywords:the concrete crack  plain cement sand syrup  polypropylene fiber cement sand syrup  resist the plastic and corky crack
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