摘要
膨胀岩是一种亲水的、且会产生显著变形的工程岩体．注浆是控制此类岩体巷道变形的主要工程措施，选择合理的注浆参数成为此类岩体工程支护成功的关键因素．对膨胀岩工程巷道失稳破坏过程进行了分析．在确定膨胀岩膨胀应变与膨胀应力、吸水量关系的基础上，研究了具有简化膨胀模型的圆形膨胀岩巷道的注浆效果，得出了各主要注浆参数的计算公式．
Swelling rock is of hydrophilic and dramatically deformable engineering rock. Grouting is a currently used engineering measure to control deformation of tunnel in this type of rock, and determination of reasonable grouting parameters becomes the key to a successful support. The process of deformation and failure of tunnel excavated in swelling rock is studied. Based on determination of relationship between swelling strain, swelling stress and water absorption, the grouting effect of simplified swelling model of round-shape tunnel drifted in swelling rock is observed, and relevant formulas for major grouting parameters calculation is derived.
出处
《有色金属》
CSCD
1998年第4期4-9,共6页
Nonferrous Metals
