稻草纤维粉末混凝土及砌块的性能研究

（西南科技大学 土木工程与建筑学院，四川 绵阳  621000）

 

    摘要：将稻草纤维粉末掺到混凝土中，研究其对混凝土及空心砌块性能的影响。结果表明：随着稻草纤维粉末掺量的增加，混凝土需水量增大，初、终凝时间延长；所制备空心砌块的含水率及吸水率都呈增加趋势，密度逐渐降低。随着稻草纤维粒径的增大，混凝土需水量增大，初、终凝时间延长；空心砌块的吸水率降低。

    关键词：稻草纤维粉末；混凝土；空心砌块；物理性能

    中图分类号： TU552.3+9        文献标志码：        文章编号：1001-702X（2018）08-0068-04

 

Research on the properties of straw fiber powder concrete and its block

ZHANG Ruixiao，SU Youwen

（College of Civil Engineering and Architecture，Southwest University of Science and Technology，Mianyang 621000，China）

  Abstract：Mix the straw fiber powder into concrete and study its effect on the properties of concrete and its hollow block. The result of research shows that with the increase of fiber content， the water consumption of concrete increased，the initial and final setting time extended，moisture content，and the bibulous rate of prepared hollow block increased and its density decreased gradually，with the increase of fiber diameter，water consumption of concrete increased，the initial and final setting time extended，bibulous rate of hollow block was lower.

   Key words：straw fiber powder，concrete，hollow block，physical properties