Abstract
A consolidometer for radial drainage under constant rate of strain (CRS) loading was developed. Theoretical solutions for determining the consolidation parameters, such as the coefficient of consolidation, compression index, recompression index, and preconsolidation pressure, from the test results were also proposed. Comparative experiments with CRS loading and incremental loading (IL) were carried out in radial drainage and also in vertical drainage. The results obtained from the developed CRS loading test agreed well with those of the conventional incremental loading test for radial drainage. They also showed that the CRS test enables the whole consolidation test to be completed in 2–6 h for commonly encountered fine grained soils.
Issue Section:
Research Papers
References
1.
Aboshi
, H.
, Yoshikuni
, H.
, and Maruyama
, S.
, 1970
, “Constant Loading Rate Consolidation Test
,” Soils and Foundations
, Vol. 10
, No. 1
, pp. 43
-56
.2.
Gorman
, C. T.
, Hopkins
, T. C.
, Deen
, R. C.
, and Drnevich
, V. P.
, 1978
, “Constant-Rate-of-Strain and Controlled-Gradient Consolidation Testing
,” Geotechnical Testing Journal
0149-6115, Vol. 1
, No. 1
, pp. 3
-15
.3.
Hamilton
, J. J.
and Crawford
, C. V.
, 1959
, “Improved Determination of Pre-Consolidation Pressure of a Sensitive Clay
,” ASTM STP 254, West Conshohocken, PA
, pp. 254
-271
.4.
Lee
, K.
, 1981
, “Consolidation with Constant Rate of Deformation
,” Geotechnique
0016-8505, Vol. 31
, No. 2
, pp. 215
-229
.5.
Sheahan
, T. C.
and Watters
, P. J.
, 1997
, “Experimental Verification of CRS Consolidation Theory
,” Journal of Geotechnical and Geoenvironmental Engineering
1090-0241 https://doi.org/10.1061/(ASCE)1090-0241(1997)123:5(430), Vol. 123
, No. 5
, pp. 430
-437
.6.
Smith
, R. E.
and Wahls
, H. E.
, 1969
, “Consolidation Under Constant Rates of Strain
,” Journal of the Soil Mechanics and Foundations Division
0044-7994, Vol. 95
, No. 2
, pp. 519
-539
.7.
Umehara
, Y.
and Zen
, K.
, 1980
, “Constant Rate of Strain Consolidation for Very Soft Clayey Soils
,” Soils and Foundations
, Vol. 20
, No. 2
, pp. 79
-95
.8.
Wang
, N.
and Wei
, R.
, 1996
, “Evaluation of Sample Quality of Soft Clay
,” Proceedings of 2nd International Conference on Soft Soil Engineering
, Nanjing
, pp. 120
-125
.9.
Wissa
, A. E. Z.
, Christian
, J. T.
, Davis
, E. H.
, and Heiberg
, S.
, 1971
, “Consolidation at Constant Rate of Strain
,” Journal of the Soil Mechanics and Foundations Division
0044-7994, Vol. 97
, No. 10
, pp. 1393
-1413
.
This content is only available via PDF.
All rights reserved. This material may not be reproduced or copied, in whole or in part, in any printed, mechanical, electronic, film, or other distribution and storage media, without the written consent of ASTM International.
You do not currently have access to this content.
