Erratum for “Discussion of ‘Instrumented Static Load Test on Rock-Socketed Micropile’ by Hoyoung Seo, Monica Prezzi, and Rodrigo Salgado”
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VIEW THE ORIGINAL ARTICLEPublication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 141, Issue 11
The publisher and author wish to clarify the following citations in the Appendix of the discussion:
The following correlations are used to determine and in Tables 2–4:
As shown in Reese and Touma (1972) and Gupta (2013), undrained shear strength () is expressed by
(7)
As shown in AASHTO (2012), adhesion factor (), load transfer coefficient (), and ultimate side friction () are expressed bywhere = effective overburden stress.
(8)
(9)
As shown in Kulhawy and Mayne (1990), the modulus of elasticity is given bywhere = Poisson’s ratio, and for sand and for rock.
(10)
(11)
As shown in Gupta (2012, 2103), is expressed bywhere = modulus of intact rock cores; and = rock mass modulus; RQD = rock quality designation.
(12)
(13)
As shown in AASHTO (2012), the reduction factor () is given by
As shown by Hoit et al. (2001), the uniaxial strength of intact rock cores is given by
(15)
As shown in AASHTO (2012), ultimate side friction () is given by
(16)
(17)
As shown in AASHTO (1996), maximum shear stress () of concrete/grout is given by
(18)
In addition, the author would like to add this reference to the article
Reese, L. C., and Touma F. T. (1972). Load tests of instrumented drilled shafts constructed by slurry displacement methods, Center of Highway Research, Univ. of Texas at Austin, Austin, TX.
The publisher regrets any confusion.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 141 • Issue 11 • November 2015
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Jul 14, 2015
Accepted: Jul 16, 2015
Published online: Sep 3, 2015
Published in print: Nov 1, 2015
Discussion open until: Feb 3, 2016
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