Estimating Strength From Stiffness for Chemically Treated Soils

Shivakumar, Pranavkumar; Gupta, Kanika; Bobet, Antonio; Shin, Boonam; Becker, Peter J.

doi:10.5703/1288284317383

i

Estimating Strength From Stiffness for Chemically Treated Soils

2022-07-01
By Shivakumar, Pranavkumar ; Gupta, Kanika ; Bobet, Antonio

File Language:

English

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Creators:

Shivakumar, Pranavkumar ; Gupta, Kanika ; Bobet, Antonio ; Shin, Boonam ; Becker, Peter J.
Corporate Creators:

Purdue University. Joint Transportation Research Program
Corporate Contributors:

Indiana Department of Transportation ; United States. Department of Transportation. Federal Highway Administration
Subject/TRT Terms:
Publication/ Report Number:

FHWA/IN/JTRP-2022/20
DOI:

https://doi.org/10.5703/1288284317383
Resource Type:

Tech Report
Geographical Coverage:

Indiana;United States
Edition:

Final Report
Corporate Publisher:

Purdue University. Joint Transportation Research Program
Abstract:

The central theme of this study is to identify strength-stiffness correlations for chemically treated subgrade soils in Indiana. This was done by conducting Unconfined Compression (UC) Tests and Resilient Modulus Tests for soils collected at three different sites—US-31, SR-37, and I-65. At each site, soil samples were obtained from 11 locations at 30 ft spacing. The soils were treated in the laboratory with cement, using the same proportions used for construction, and cured for 7 and 28 days before testing. Results from the UC tests were compared with the resilient modulus results that were available. No direct correlation was found between resilient modulus and UCS parameters for the soils investigated in this study. A brief statistical analysis of the results was conducted, and a simple linear regression model involving the soil characteristics (plasticity index, optimum moisture content and maximum dry density) along with UCS and resilient modulus parameters was proposed.
Format:

PDF
Funding:

SPR-4420
Download URL:

https://rosap.ntl.bts.gov/view/dot/65626/dot_65626_DS1.pdf
File Type:

[PDF - 9.26 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:3f6b50473931dfd5fb389f1d69ea7cc29e81b6a6878889a71df20388798c0c5542f6cd81ed5799e4b3a2efd0c704c28fd58215d311019cd422ed1ddcf3eebf5f

File Language:

English

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