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http://dx.doi.org/10.5389/KSAE.2010.52.3.113

Evaluation of Installation Damage Factor for Geogrid with Particle Size  

Lim, Seong-Yoon (한국도로공사 도로교통연구원 지반팀)
Song, Chang-Seop (충북대학교 지역건설공학과)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.52, no.3, 2010 , pp. 113-120 More about this Journal
Abstract
Reduction factor for installation damage required to calculate design strength of geogrid used in MSEW(mechanically stabilized earth wall) design is usually obtained in the field test simulating real construction condition. However, damages occurred in geogrid during backfill work are influenced by many factors such as polymer types, unit weight per area, backfill construction method and gradation of backfill material and field test considering these factors demand lots of time and costs. In this study, factors affecting installation damage are analyzed and empirical method to evaluate reduction factor for installation damage using maximum particle size in backfill material is suggested.
Keywords
Geogrids; MSEW; Installation damage; Reduction factor; Backfill;
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