Errata for “Axial Compression Behavior of Augered Cast-In-Place (ACIP) Piles in Cohesionless Soils” by Fred H. Kulhawy, Hon.M.ASCE and Jie-Ru Chen, in Advances in Designing and Testing Deep Foundations (GSP 129), Ed. C. Vipulanandan and F. C. Townsend, Jan 2005, 275–289. [Also in Advances in Deep Foundations (GSP 132), Ed. C. Vipulanandan and F. C. Townsend, Jan 2005 (on CD-ROM).]
Please note the following corrections, necessitated because of an unfortunate spread sheet calculation error.
Table 1. (Corrected). Statistics for Augered Cast-In-Place (ACIP) Pile Capacity Evaluation with
Datagroup
n
Mean
COV (%)
Mean
COV (%)
Mean
COV (%)
A
25
0.48
37
0.78
35
1.23
34
35
0.43
43
0.74
41
1.11
42
all
46
0.45
43
0.78
54
1.09
50
Fig. 7. (Corrected) Variation of ratio versus depth ratio
Fig. 8. (Corrected) Variation of ratio versus depth ratio
Fig. 9. (Corrected) Variation of ratio versus depth ratio
These corrected results indicate that, for ACIP piles with , the Meyerhof method under-predicts by a factor slightly less than 0.5, the Reese and O'Neill method under-predicts by a factor of about 0.75, and the Kulhawy method over-predicts by a factor of about 1.1.
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Journal of Geotechnical and Geoenvironmental Engineering
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