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1810.7.3.1 Increased Allowable Bond Stress
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Load tests, with instrumentation in the rock socket to demonstrate the transfer of force to the rock, shall be performed to justify the use of bond stresses above 200 psi (1379 kPa). The number of load tests shall be in accordance with the requirements of Section 1808.4.1.1. A report summarizing the methods and results of the load test shall be submitted to the commissioner for approval.
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