Use of flexible facing for soil nail walls.

Pokharel, Sanat; Parsons, Robert L.; Pierson, Matthew; Han, Jie; Willems, Isaac; University of Kansas. Dept. of Civil, Environmental and Architectural Engineering

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

Use of flexible facing for soil nail walls.

2011-11-01
By Pokharel, Sanat ; Parsons, Robert L. ; Pierson, Matthew ; ...

English

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Details:

Creators:

Pokharel, Sanat ; Parsons, Robert L. ; Pierson, Matthew ; Han, Jie ; Willems, Isaac

Pokharel, Sanat ; Parsons, Robert L. ; Pierson, Matthew ; Han, Jie ; Willems, Isaac Less -
Corporate Creators:

University of Kansas. Dept. of Civil, Environmental and Architectural Engineering
Corporate Contributors:

Kansas. Dept. of Transportation. Bureau of Materials & Research
Subject/TRT Terms:

[+]

Flexible Structures Soils Walls
Publication/ Report Number:

K-TRAN: KU-10-6
Resource Type:

Tech Report
Geographical Coverage:

Kansas
Edition:

Final report; Sept. 2009¿Feb. 2011.
Corporate Publisher:

Kansas. Dept. of Transportation
Abstract:

Soil nail walls are a widely used technology for retaining vertical and nearly vertical cuts in soil. A

significant portion of the cost of soil nail wall construction is related to the construction of a reinforced

concrete face. The potential for use of a flexible facing design for soil nail walls to replace reinforced

concrete facing was evaluated using three-dimensional finite difference modeling and physical testing of a

1.5 meter by 1.5 meter unit cell of a soil nail wall in clay. A steel mesh form of flexible facing was used as a

substitute for concrete. The finite difference model predicted large vertical and horizontal deformations for

surcharges of approximately 5 psi. In the physical testing, the flexible facing products performed well with

regard to strength, but the facing experienced large vertical and horizontal deformations that were consistent

with the numerical modeling. Based on these results, it is recommended that use of flexible facing as a

substitute for reinforced concrete be limited to non-critical structures where large vertical and horizontal

deformations are acceptable.
Format:

PDF
Funding:

C1835
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:193de2262b44093d13049dcef4136676e8786d364f819bb8da0e7bb30db753e1
Download URL:

https://rosap.ntl.bts.gov/view/dot/23584/dot_23584_DS1.pdf
File Type:

[PDF-3.54 MB]