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Title: Load Transfer Mechanisms of Drilled Shafts Socketed in Weathered Gneiss
Accession Number: 01089175
Record Type: Component
Availability: Transportation Research Board Business Office 500 Fifth Street, NW Abstract: While there has been considerable attention made of the design of drilled shafts socketed into rock in the context of sedimentary rock, the context of weathered/decomposed gneiss of higher intact rock strength has only occasionally been addressed. This research investigated the load-transfer mechanisms of drilled shaft socketed into weathered gneiss. For the investigation, five 1.0 m diameter drilled shafts were constructed, and static axial load tests and load-transfer measurements were performed. A comprehensive field/laboratory testing program on weathered rock was also performed at the field test sites, in order to quantitatively describe the in situ rock mass conditions. Following this, the effect of rock mass condition on the load transfer mechanism was investigated. The results of the investigation revealed that the ground investigation data regarding the rock mass conditions, which represented the degree of weathering (e.g., rock mass strength, pressuremeter modulus, Geological Strength Index, Rock Mass Rating), closely correlated with the side shear resistance of drilled shafts socketed into weathered gneiss.
Monograph Title: Monograph Accession #: 01084478
Report/Paper Numbers: 08-3144
Language: English
Corporate Authors: Transportation Research Board 500 Fifth Street, NW Authors: Kwon, Oh SungJeong, SangseomKim, Myoung MoPagination: 20p
Publication Date: 2008
Conference:
Transportation Research Board 87th Annual Meeting
Location:
Washington DC, United States Media Type: DVD
Features: Figures
(11)
; References
(19)
; Tables
(2)
TRT Terms: Uncontrolled Terms: Subject Areas: Geotechnology; Highways; I43: Rock Mechanics
Source Data: Transportation Research Board Annual Meeting 2008 Paper #08-3144
Files: TRIS, TRB
Created Date: Jan 29 2008 5:38PM
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