Evaluation of Curve Fitting Techniques for Estimating End of Primary Consolidation Settlement: Provo Westside Connector Project, Utah

Farnsworth, Clifton B.; Pister, Christopher; Brigham Young University

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Evaluation of Curve Fitting Techniques for Estimating End of Primary Consolidation Settlement: Provo Westside Connector Project, Utah

2017-03-01
By Farnsworth, Clifton B. ; Pister, Christopher

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English

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Creators:

Farnsworth, Clifton B. ; Pister, Christopher

Farnsworth, Clifton B. ; Pister, Christopher Less -
Corporate Creators:

Brigham Young University
Corporate Contributors:

Utah. Dept. of Transportation. Research Division ; United States. Department of Transportation. Federal Highway Administration

Utah. Dept. of Transportation. Research Division ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Curve Fitting Evaluation Extensometers Finite Difference Finite Differences Foundation Engineering Foundation Instrumentation Magnet Extensometers Primary Consolidation Settlement
Publication/ Report Number:

UT-17.23
Resource Type:

Tech Report
Geographical Coverage:

Utah ; United States

Utah ; United States Less -
Edition:

Final Report August 2014 – March 2017
Corporate Publisher:

Utah. Dept. of Transportation. Division of Research
Abstract:

This final report discusses the installation of magnet extensometer instrumentation associated with the Provo Westside Connector construction project in Utah County, Utah. The settlement monitoring instrumentation was installed in August of 2014, and embankment construction followed shortly thereafter. Maximum fill height was achieved in early December 2014. This report includes a summary of the installation, readings that were collected, and the modeling work regarding the settlement monitoring and end-of-primary settlement projections. Two different curve fitting techniques were evaluated in this research: using the standard primary consolidation equations and the finite difference equations for estimating the end of primary consolidation settlement. For the site investigated, the curve fitting techniques proved to be somewhat problematic because the soil layers had small magnitudes of settlement and the transition between primary and secondary settlement was not readily apparent during the evaluation of real time field data. Using the finite difference equations also proved somewhat problematic in trying to fit the full record of field data based on all of the different stages of loading.
Format:

PDF
Funding:

15-8263
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:1b944b29f131c2c824ea153c2671feb2b480e2e4d5e6af050714e02aae3878f8
Download URL:

https://rosap.ntl.bts.gov/view/dot/66318/dot_66318_DS1.pdf
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Evaluation of Curve Fitting Techniques for Estimating End of Primary Consolidation Settlement: Provo Westside Connector Project, Utah

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