硅酸盐通报2025，Vol.44Issue(2)：417-423,7.DOI:10.16552/j.cnki.issn1001-1625.2024.1106
动水冲刷对水泥注浆材料力学性能的影响
Effect of Flowing Water Scouring on Mechanical Properties of Cement Grouting Materials
摘要
Abstract
In order to study the effect of flowing water scouring on the mechanical properties of cement grouting materials,uniaxial compression tests were carried out on residual grout stone body after flowing water scouring.The microstructure of stone body was characterized by nuclear magnetic resonance and scanning electron microscopy.The effect mechanism of flowing water scouring on the mechanical properties of cement grouting materials was discussed in combination with microstructure.The results show that the uniaxial compressive strength and elastic modulus of grouting material decrease significantly due to flowing water scouring,and the attenuation degree becomes more significant with the increase of water flow velocity.At the same time,the peak strain and ultimate strain of residual grout stone body are reduced.When the water flow velocity reaches 1.0 m/s,the residual grout stone body shows obvious brittle failure characteristics.In addition,the number of micropores in residual grout stone body increases significantly,which is the main reason for the attenuation of its mechanical properties.This study is helpful to understand the real mechanical properties of grouting materials in flowing water scouring environment.关键词
注浆材料/水泥浆液/动水冲刷/力学性能/微观结构Key words
grouting material/cement slurry/flowing water scouring/mechanical property/microstructure分类
建筑与水利引用本文复制引用
王宏亮,罗冉,刘夕奇,雷乐乐,翁磊,吴龙骥..动水冲刷对水泥注浆材料力学性能的影响[J].硅酸盐通报,2025,44(2):417-423,7.基金项目
国家自然科学基金面上项目(52278412) （52278412）
