New method to determine proper strain rate for constant rate-of-strain consolidation tests
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Date
2012
Journal Title
Journal ISSN
Volume Title
Publisher
Canadian Science Publishing, Nrc Research Press
Abstract
The development of a new semiempirical method to predict the proper strain rate for constant rate-of-strain (CRS) consolidation tests is described herein. The validity of the proposed method is analyzed using experimental results from CRS and incremental loading tests on four types of soil: Lake Bonneville clay, Massena clay, kaolinite, and montmorillonite. It is found that the maximum allowable strain rate depends on the initial void ratio of the soil and thus is related to the compressibility of the soil. The effect of the strain rate on the distribution of the pore pressure within the sample is investigated by comparing values of effective vertical stress calculated using a linear equation published by Wissa et al. in 1971 with values of effective stress at the base of the specimen determined from measured values of pore pressure. Overall, the proposed method predicts the maximum allowable strain rate very well for three of the four soils and moderately well for the other soil.
Description
OZER, ABDULLAH TOLGA/0000-0001-5741-0893
Keywords
constant rate-of-strain (CRS) consolidation test, strain rate, Lake Bonneville clays
Turkish CoHE Thesis Center URL
Citation
17
WoS Q
Q2
Scopus Q
Q1
Source
Volume
49
Issue
1
Start Page
18
End Page
26