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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