Assessment of Soil Arching Factor for Retaining Wall Pile Foundations

Barbosa, Andre R.; Ashford, Scott A.; Mason, Henry B.; Belejo, Andre F. V.; Oregon State University. School of Civil and Construction Engineering

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Assessment of Soil Arching Factor for Retaining Wall Pile Foundations

2017-03-31
By Barbosa, Andre R. ; Ashford, Scott A. ; Mason, Henry B. ; ...

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English

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Creators:

Barbosa, Andre R. ; Ashford, Scott A. ; Mason, Henry B. ; Belejo, Andre F. V.

Barbosa, Andre R. ; Ashford, Scott A. ; Mason, Henry B. ; Belejo, Andre F. V. Less -
Corporate Creators:

Oregon State University. School of Civil and Construction Engineering
Corporate Contributors:

California. Dept. of Transportation. Division of Engineering Services
Subject/TRT Terms:

[+]

Arching (Soils) Earth Walls Lagging Modeling Retaining Systems Retaining Walls Soil Arching Soil Slope Soldier Pile Walls
Publication/ Report Number:

CA16-2532
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

California. Dept. of Transportation. Division of Engineering Services
Abstract:

Despite the prevalence of the soldier piles retaining wall systems as temporary and even permanent shoring systems along state highways, relatively little is known on the effect of the foreslope bench width and the slope inclination on the arching capability factor used in design codes and standards. A review of literature indicated that no full-scale tests were conducted for soldier pile systems and only a few components have been modeled analytically, often using 2-D analyses that cannot capture the complex 3-D behavior of the arching behavior in active and passive regions of soldier pile retaining wall systems. To help address this gap in knowledge, an analytical research program is developed herein to assess the current design procedures on soldier pile walls and make recommendations for improvement, specifically with respect to 3-D effects of soil arching, foreslope sloping ground, and bench width, based on a parametric study supported on advanced nonlinear finite element models of the soldier pile systems. Discussions on how to account for 3-D effects based on 2-D analyses and on how to account for bench width effects when classical soil theories are used in design are provided. Finally, a proposed experimental program is simulated using the modeling approaches developed in this study.
Format:

PDF
Funding:

65A0497
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:2b6ec3f824b916202e9be3b71b1964708102770ea099e1d159dd2b852f724121
Download URL:

https://rosap.ntl.bts.gov/view/dot/34684/dot_34684_DS1.pdf
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Assessment of Soil Arching Factor for Retaining Wall Pile Foundations

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