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Title: Determination of rock mass rating and deformation moduli : 14 cross sections of Portugués Dam foundation, December 1999
Authors: Geotechnical Associates Network.
United States. Army. Corps of Engineers. Jacksonville District.
Glynn, Mary Eileen, 1960-
Wibowo, Johannes L.
Warriner, James B.
Nicholson, Glenn A.
Keywords: Fractured rock foundations
Portugués Dam
Puerto Rico
Hydraulic structures
Rock mechanics
Geomechanics Classification System
Rock mass modulus
Rock mass rating
Publisher: Geotechnical and Structures Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/GSL TR ; 00-4.
Description: Technical Report
Abstract: This report describes the development of rock mass rating values for the purpose of estimating rock mass moduli for the Portugués Dam, Ponce, Puerto Rico. The Serafim and Pereira (1983) correlation of Rock Mass Rating to modulus was used in the analysis. Fourteen geologic cross sections were evaluated which were widely distributed along the foundation axis. Rock Mass Ratings were determined for each lithologic unit depicted in these cross sections by projecting rock mass characterization data from deep (~100- to 200-ft) borings. The purpose of this analysis was to provide rock mass moduli to District structural engineers for subsequent dam stability analyses.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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