Section 2870. Rock-bolt torque tests

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Rock bolts used as a means of ground support and which require torquing shall be torqued to a value within the range determined from information obtained by tests in the strata in which the rock-bolt assembly is used. In no case shall the applied torque cause a bolt tension that would exceed the yield point or anchorage capacity of the rock-bolt assembly being used.

Historical Notes

Derived from VR480-05-1.2 § 15.11, eff. July 19, 1989; amended, Volume 14, Issue 17, eff. July 1, 1998.

Statutory Authority

§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.

                    
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