A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Testing Methodology for Resilient Modulus of Base Materials
The main objective of this report is to describe a proposed resilient modulus testing procedure which has been developed for the Texas Department of Transportation. This procedure contains the main characteristics of the AASHTO T294-92 procedure with several exceptions. The loading sequence is modified to avoid subjecting the specimens to high deviatoric stresses at low confining pressures. The conditioning cycles are eliminated and replaced by grouting the specimen to the platens to minimize disturbance to the specimen during stage testing. The effects of end restraint on the measured deformations are minimized by using a gage length equal to the middle one-third of the specimen. To avoid well-known problems with mounting LVDT's on the specimen, non-conduct probes are utilized to measure with non-contact probes to determine the Poisson's ratio.
Testing Methodology for Resilient Modulus of Base Materials
The main objective of this report is to describe a proposed resilient modulus testing procedure which has been developed for the Texas Department of Transportation. This procedure contains the main characteristics of the AASHTO T294-92 procedure with several exceptions. The loading sequence is modified to avoid subjecting the specimens to high deviatoric stresses at low confining pressures. The conditioning cycles are eliminated and replaced by grouting the specimen to the platens to minimize disturbance to the specimen during stage testing. The effects of end restraint on the measured deformations are minimized by using a gage length equal to the middle one-third of the specimen. To avoid well-known problems with mounting LVDT's on the specimen, non-conduct probes are utilized to measure with non-contact probes to determine the Poisson's ratio.
Testing Methodology for Resilient Modulus of Base Materials
S. Nazarian (author) / R. Pezo (author) / M. Picornell (author)
1996
170 pages
Report
No indication
English
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