Geotechnical Engineering Circular No. 9 Design, Analysis, and Testing of Laterally Loaded Deep Foundations that Support Transportation Facilities


CONSTRUCTION CONSIDERATIONS ............................................................. 197



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Soldier Rev B
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CONSTRUCTION CONSIDERATIONS ............................................................. 197
13.1
Construction Management and Inspection ................................................................................. 197 13.2
Constructability Review ............................................................................................................. 197 Design Considerations and Changes in Construction ................................................................. 198 Driven Pile, Drilled Shaft, and Backfill Considerations ................................................................ 199 13.4.1
Pile/Shaft Position and Alignment ....................................................................................... 200 Driven Pile Installations ...................................................................................................... 200 Drilled Shafts ..................................................................................................................... 201 13.4.4
Backfill and Grading ........................................................................................................... 203
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REFERENCES ................................................................................................... 204

vi
APPENDIX A EXAMPLE P-Y CURVES AND PARAMETERS FOR VARIOUS
SUBSURFACE CONDITIONS BASED ON AVAILABLE PUBLISHED SOURCES
.................................................................................................... 216
A.1 P-y Curve for Soft Clay with Free Water (Matlock 1970)................................................................. A P-y Curve for Stiff Clay with Free Water (Reese et al. 1975) .......................................................... A P-y Curve for Stiff Clay with No Free Water (Reese and Welch 1975) ............................................ A P-y Curve for Sands (Reese et al. 1974) ........................................................................................ A P-y curves for Weak Rock (Reese 1997) ....................................................................................... A P-y Curves for Liquefied Sands (Rollins et al. 2005) ...................................................................... 232
A.7
Sloping Ground ......................................................................................................................... 233
A.7.1
Ultimate Soil Resistance .................................................................................................... 233

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