An Evaluation of Expedient Methodology for Identification of Potentially Expansive Soils

Snethen, Donald R.; Johnson, Lawrence D.; Patrick, D. M.; United States. Army Engineering Waterways Experiment Station. Soils and Pavements Laboratory

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An Evaluation of Expedient Methodology for Identification of Potentially Expansive Soils

1977-06-01
By Snethen, Donald R. ; Johnson, Lawrence D. ; Patrick, D. M.

[PDF-1.91 MB]

English

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Details:

Creators:

Snethen, Donald R. ; Johnson, Lawrence D. ; Patrick, D. M.

Snethen, Donald R. ; Johnson, Lawrence D. ; Patrick, D. M. Less -
Corporate Creators:

United States. Army Engineering Waterways Experiment Station. Soils and Pavements Laboratory
Corporate Contributors:

United States. Federal Highway Administration. Office of Research, Development, and Technology
Subject/TRT Terms:

[+]

Expansive Soils Geotechnology Highways Linear Elasticity Linear Shrinkage Liquid Limits Plasticity Index Reviews Shrinkage Shrinkage Limit Soil Classification Soil Identification Soil Tests Soil Types Soil Water Swell Swelling Swelling Soils Tests
Publication/ Report Number:

FHWA-RD-77-94
Resource Type:

Tech Report
Geographical Coverage:

United States
TRIS Online Accession Number:

185258
Edition:

Interim Report
Contracting Officer:

Carl Ealy
Corporate Publisher:

United States. Federal HIghway Administration. Office of Research and Development
Abstract:

This report concludes an evaluation of expedient methodology for identifying and qualitatively classifying potentially expansive soils. Seventeen published techniques used for identification/classification purposes were reviewed and evaluated using data collected from an extensive laboratory testing program. A definition of potential swell that is more consistent with field simulation requirements and more representative of in situ volume change behavior is presented. The results of the evaluation of published techniques reveal that the best techniques and thus the best indicators of potential swell are the liquid limit and plasticity index. Other significant indicator properties ranked in descending order are: liquid limit and natural water content combined; shrinkage limit and plasticity index; and shrinkage limit and linear shrinkage. The results of the statistical analysis of the laboratory data confirm the findings of the evaluation of the published techniques. A classification system more consistent with the definition of potential swell and using the liquid limit, plasticity index, and natural soil suction was developed and is presented. Guidelines for the recommended usage of the classification system are given.
Format:

PDF
Funding:

PO 4-l-0195
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:e0ea0da95caf2a5351147d2838a112b8a34ed49664681e5f845b2c750ad5171c
Download URL:

https://rosap.ntl.bts.gov/view/dot/37844/dot_37844_DS1.pdf
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An Evaluation of Expedient Methodology for Identification of Potentially Expansive Soils

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