Journal Published Online: 03 April 2019
Volume 48, Issue 5

New Vipulanandan p-q Model for Particle Size Distribution and Groutability Limits for Sandy Soils

CODEN: JTEVAB

Abstract

The particle size distribution (PSD) of the soil fines content and mean particle size (d50) are used in a number of soil property relationships and in the soil classification. To analyze and model PSD using a modified version of the Vipulanandan p-q model, some data collected from several research studies and the results of prediction were compared with the Fredlund and logistic growth models used in the literature. The Vipulanandan p-q model was modified and used to represent the PSD of soils. The Vipulanandan p-q model parameters were correlated very well to various soil properties, such as the diameter in the PSD curve corresponding to 10, 30, 60, and 90 % of finer (d10, d30, d60, and d90, respectively), mean particle size the diameter in the particle size distribution curve corresponding to 50 % finer (d50), and fines content (F%). There was no correlation between the Fredlund model and logistic growth model parameters with the soil properties. Based on the coefficient of determination and root mean square error, the two parameters of the Vipulanandan p-q model predicted the PSDs very well. A current study also had quantified the lower groutability limit based on the d50 and the Vipulanandan p-q model parameters. The relationship between fines content and d50 were also generalized using the Vipulanandan p-q model to quantify the upper and lower groutability limits for sandy soils.

Author Information

Mahmood, Wael
College of Engineering, Department of Civil Engineering, University of Sulaimani, Sulaimani, Kurdistan Region, Iraq
Mohammed, Ahmed
College of Engineering, Department of Civil Engineering, University of Sulaimani, Sulaimani, Kurdistan Region, Iraq
Pages: 18
Price: $25.00
Related
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Details
Stock #: JTE20180606
ISSN: 0090-3973
DOI: 10.1520/JTE20180606