Model Test on Lining Structure of Spray Steel Fiber Reinforced Concrete
XU Jin
YAO Zhishu
LI Zhenyu
ZHANG Yingwei
Abstract：Aiming at the problem of concrete lining supporting in soft rock tunnel,an experimental study on lining scheme of roadway model structure is carried out and the mix proportion of spray steel fiber concrete is optimized based on the principle of contrast test and model test.Optimal dosage of steel fibre and stress distribution in the model structure are obtained,and its stress mechanism is analyzed.The experimental results indicate that the lining structure of spray steel fiber reinforced concrete has better yield pressure deformation capacity,and it is suitable for soft rock supporting of deep buried tunnel and roadway.
Keywords：soft rock roadwaysteel fiber reinforced concretelining structuremodel testsoft rock supporting
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 56-59 )