With the continuous development of coal and rock mass engineering, water inrush grouting has become an urgent problem in engineering disaster management. Herein, a theoretical model optimal plugging flow rate was established, comparative analysis performed based on results indoor tests. The particle incipient velocity defined as rate. effects hydrodynamic velocity, water-cement ratio, pressure,...

the load transfer mechanisms of cable bolts differ from those for normal rebar bolts. the cable bolts used in mines are basically steel strands with different constructions depending on the number of wires or elements and the way they are laid. tendon bolts (rebar and cable) are normally evaluated for their strength and load transfer properties. the tendon strength can be evaluated by the tensi...

Soil nailing is a technique which used to reinforce and strengthen the existing ground conditions. This done by installing closely spaced, passive, structural inclusions known as nail into soil these nails helps improve overall shear strength of soil. The pullout resistance stress at grout-soil interface. soil-nail depends on many parameters. Among factors influencing resistance, degree saturat...