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Manufacturing and Assessment of High Performance Geosynthetic Composites for Reinforcement  

George R. Koerner (Geosynthetic Institute(GSI), USA)
Publication Information
Textile Science and Engineering / v.40, no.3, 2003 , pp. 272-280 More about this Journal
Abstract
The composite type geogrid having 8 ton/m design strength was manufactured to develop the junction and creep properties. Three different types of geogrids(membrane type, textile type(warp/ knitted, woven type) and junction bonded type geogrids) are used to compare the long-term performance by total factor of safety with reduction factors during service periods. To evaluate the reduction factors, wide-width tensile and junction strength, installation damage, creep deformation, chemical and biological degradation were performed. Total factors of safety for these different type geogrids were interpreted through the results of these reduction factors. The long-term performance was evaluated by the long-term design strength of these geogrids to be calculated the constitutive equations of GRI standard Test Method GG4. Reduction factor of creep deformation mainly influenced on the long-term performance and composite type geogrid showed the most excellent long-term performance among these geogrids.
Keywords
composite type geogrids; long-term performance; creep deformation; reduction factor; total factor of safety; long-term design strength;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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