Laboratory Evaluation of Cable Bolt Supports (in Two Parts). 2. Evaluation ofSupports Using Conventional Cables with Steel Buttons, Birdcage Cables, and Epoxy-Coated Cables

摘要

The U.S. Bureau of Mines is conducting research on cable bolt ground supports toassess their material and support properties, to provide design criteria for using cable bolt supports as roof control systems under various types of underground mining conditions, and to develop a mathematical model of cable bolt support systems. Part 1 described laboratory studies of the support properties of conventional steel cable bolts. Part 2 describes the strength characteristics of conventional cables with steel buttons, single and double birdcage cables, and epoxy-coated cables.