![]() FHWA Demonstration Project 82, FHWA, Washington, D.C. ![]() 3.2, National Concrete Masonry Association, Herndon, VaĬollin J (1997) Design manual for segmentai retaining walls, 2 nd Ed., National Concrete Masonry Association NCMA, Herndon, VaĮlias V, Christopher BR (1997) Mechanically stabilized earth walls and reinforced soil slopes, design, and construction guidelines. Keywordsīathurst RJ (2001) Design software for segmentai retaining walls: SRwall ver. At last, practical significance of the findings from this study is also discussed for future similar projects. The investigation revealed that the inappropriate stability design and the bad-quality backfill were mainly responsible for the collapse. In an attempt to identify possible causes for the a 12 m height wall collapse, a comprehensive investigation was carried out including laboratory tests on the backfill, stability analyses on the as-built design based on the current design approaches and numerical slope stability analyses with pore pressure consideration. ![]() In spite of significant advantages of SRWs, like flexibility on soft foundations, seismic stability and their cost effective, there are some cases of SRWs failure because of neglecting basic geotechnical engineering principles in wall details. Segmental retaining walls (SRWs) reinforced by geogrids or geotextiles (primarily those with precast concrete block facing) are used extensively as retaining walls and bridge abutments in transportation networks in Iran. ![]()
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