Evaluation of Limit Equilibrium Analysis Methods for Design of Soil Nail Walls

Taylor, Tom; Collin, Jim; Berg, Ryan; Ryan R. Berg & Associates, Inc.

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Evaluation of Limit Equilibrium Analysis Methods for Design of Soil Nail Walls

2017-09-01
By Taylor, Tom ; Collin, Jim ; Berg, Ryan

[PDF-1.19 MB]

English

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Creators:

Taylor, Tom ; Collin, Jim ; Berg, Ryan

Taylor, Tom ; Collin, Jim ; Berg, Ryan Less -
Corporate Creators:

Ryan R. Berg & Associates, Inc.
Contributors:

Shelsta, Heather ; Siel, Barry ; Nichols, Silas ; Anderson, Scott ; Alzamora, Daniel

Shelsta, Heather ; Siel, Barry ; Nichols, Silas ; Anderson, Scott ; Alzamora, Daniel Less -
Corporate Contributors:

National Highway Institute (U.S.)
Subject/TRT Terms:

[+]

Earth Walls Equilibrium (Mechanics) Soil Nailing Structural Analysis
Publication/ Report Number:

FHWA-NHI-17-068
Resource Type:

Tech Report
Geographical Coverage:

United States
Contracting Officer:

Barry Siel
Corporate Publisher:

United States. Federal Highway Administration
Abstract:

This document presents a parametric study that demonstrates the broad applicability of the soil nail wall load and resistance factor design (LRFD) and analysis procedure that is detailed in Geotechnical Engineering Circular No. 7 (GEC 7), Soil Nail Walls Reference Manual (FHWA-NHI-14-007), to various soil nail wall design heights, soil parameters, and different commercially available software programs. The parametric study uses a framework for the design of soil nail walls that considers the factors of safety used in the allowable stress design (ASD) analysis method while integrating LRFD design principles as demonstrated in GEC 7. The study starts by analyzing a soil nail structure using an ASD-based limit equilibrium (LE) slope stability program at a defined minimum target factor of safety. From the LE results, the nominal tensile, pullout, and facing loads of each soil nail are extracted. The extracted data are then checked using the LRFD platform using the procedures, and the load and resistance factors, presented in GEC 7.
Format:

PDF
Funding:

DTFH61-13-T-70011
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:8dc713a258629d3b342e6638493dd763d59786667c13b5ee7a211cac90904139
Download URL:

https://rosap.ntl.bts.gov/view/dot/54190/dot_54190_DS1.pdf
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Evaluation of Limit Equilibrium Analysis Methods for Design of Soil Nail Walls

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