Field monitoring of mechanically stabilized earth walls to investigate secondary reinforcement effects : [technical summary].

Jiang, Yan; Han, Jie; Parsons, Robert L.; Cai, Hongyi; University of Kansas

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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.

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Field monitoring of mechanically stabilized earth walls to investigate secondary reinforcement effects : [technical summary].

2015-12-01
By Jiang, Yan ; Han, Jie ; Parsons, Robert L. ; ...

[PDF-119.89 KB]

English

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Creators:

Jiang, Yan ; Han, Jie ; Parsons, Robert L. ; Cai, Hongyi

Jiang, Yan ; Han, Jie ; Parsons, Robert L. ; Cai, Hongyi Less -
Corporate Creators:

University of Kansas
Subject/TRT Terms:

[+]

Deflection Earth Pressure Earth Walls Field Tests Geogrids Reinforcement (Engineering) Soil Stabilization Tension
Publication/ Report Number:

KS-15-09
Resource Type:

Brief
Geographical Coverage:

Kansas
Corporate Publisher:

Kansas. Dept. of Transportation. Bureau of Research
Abstract:

Mechanically stabilized earth (MSE) walls have been commonly used in highway

construction. AASHTO (2007) has detailed design procedures for such a wall system.

In the current AASHTO design, only primary reinforcements are used in relatively

large spacing (commonly 2 feet), which requires higher connection strength between

reinforcements and wall facing. Large spacing between reinforcements may also

increase the chances of wall facing bulging and construction-related problems. To

alleviate such problems, the use of secondary reinforcements installed between

primary reinforcements was proposed. The use of secondary reinforcements could

(1) reduce the required connection load for primary reinforcement, (2) increase the

internal stability by secondary reinforcement, (3) improve the compaction near the

wall facing, and (4) mitigate the down-drag behind the wall facing. However, this

idea was not verified in practice.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:b7d40a802da17cf9100b7c068659df5ab332c46f3eea13022432fb43470228ba
Download URL:

https://rosap.ntl.bts.gov/view/dot/29652/dot_29652_DS1.pdf
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Field monitoring of mechanically stabilized earth walls to investigate secondary reinforcement effects : [technical summary].

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