Transmission And Substation Foundations - Technical Design Manual (TD06088E)
INSTALLATION METHODOLOGY SECTION 5
CONTENTS
CHANCE® HELICAL PILES/ANCHOR.....................................................
5-4
INSTALLATION TORQUE/LOAD CAPACITY RELATIONSHIP......
5-4
TORQUE INDICATOR AND MOTOR CALIBRATION.........................
5-13
INSTALLATION TERMINATION CRITERIA...........................................
5-13
SYMBOLS USED IN THIS SECTION
Qult ...................................................................Ultimate Uplift Capacity 5-5 Kt ....................................................................... Empirical Torque Factor 5-5 T .................................................................. Average Installation Torque 5-5 SS ..............................................................................................Square Shaft 5-5 RS.............................................................................................. Round Shaft 5-5 Hd/Sd......................................................Helix to Shaft Diameter Ratio 5-7 Qact .................................................................................. Actual Capacity 5-9 Qcalc......................................................................... Calculated Capacity 5-9 Qact/Qcalc .......................................................................Capacity Ratio 5-9 CID.................................................................... Cubic Inch Displacement 5-12
INSTALLATION METHODOLOGY
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