Application of mixture-planting of shrub and grass to side-slope greening and protection;

Test and research on distribution of bond stress of reinforcement and grout concrete;

Based on the results of 12 groups of cube specimens′ pull-out tests and considering the four parameters of anchorage length,strength of grout concrete,bar diameter and horizontal reinforce,every phase of the bond behavior is identified and the formula of characteristic bond strength with characteristic slip value is established applying regressive equation.