Introduction -- Analysis on the shear stress propagation mechanism in the rock reinforcement system -- Numerical simulation of the shear behaviour of cement grout -- Analytical modelling to study the load transfer performance of fully grouted rock bolts -- Analytical studying the confining medium diameter impact on load-carrying capacity of rock bolts -- Studying the bond performance of fully grouted rock bolts based on the variable controlling -- Analytical modelling rock bolts with a closed non-linear model.