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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korean Geosynthetic Society
Journal Basic Information
Journal DOI :
Korean GeoSynthetics Society
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Volume & Issues
Volume 3, Issue 4 - Dec 2004
Volume 3, Issue 2 - Jun 2004
Volume 3, Issue 1 - Mar 2004
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Experimental Study on Bank Protection System using Fabric Foam
Kim, Jin-Man ; Cho, Sam-Deok ; Choi, Bong-Hyuck ; Kwak, Ki-Seok ; Woo, Hyo-Seop ; Ahn, Hong-Kyu ;
Journal of the Korean Geosynthetic Society, volume 3, issue 2, 2004, Pages 3~11
Fabric Foam systems provide a variety of flexible bank protection for open channels and hydrulic structures. The structural performance and durability of conventional bank protection materials such as concrete, gravel, riprap and vegetation can be significantly improved by confining the materials within the cells of Fabric Foam system. This paper presents the results of field and laboratory tests carried out to evaluate the performance of new Fabric Foam System as a Bank Protection. The results of the tests confirmed effect of Fabric Foam System in Bank Protection.
A Case Study of The Collapsed Reinforced-Soil Retaining Wall
Yoo, Chung-Sik ; Jung, Hyuk-Sang ; Lee, Soung-Woo ;
Journal of the Korean Geosynthetic Society, volume 3, issue 2, 2004, Pages 13~21
This paper deal with the analysis of the causes about case of collapsed reinforced-soil retaining wall. The analysis of the cause was carried through experimentation, slop stability analysis and literature study. The experimentation treated the large direct shear test, the hydraulic conductivity test and the other basic test through backfill extraction from collapsed reinforced-soil retaining wall. The ultimate tensile strength was established by rib tensile strength test of geogrid. The analysis of internal and external stability of reinforced-soil retaining wall was performed on the basis of parameters. The result of analysis, reinforced-soil retaining wall and the slope at the dry season are stable. However, the factors that fine-grained soil at hydrometer test exceed the standard of the design, rainfall duration is too long at the time of collapse and monthly pricipitation is heavy, which are causes of the collapse.
The Evaluation of Geosynthetic Clay Liner as a barrier layer for the Final Cover System in landfill
Lee, Jung-Lan ; Moon, Chul-Hwan ; Jung, Chan-Kee ; Lee, Jai-Young ;
Journal of the Korean Geosynthetic Society, volume 3, issue 2, 2004, Pages 23~29
One of the most important concern in the design of barrier layer in to protect the water through the landfill. The barrier layer consists of a single compacted clay liner(CCL) or a composite liner with high density polyethylene(HDPE). The construction of barrier layer at the edge of cover system usually has some problems because of steep slope in the landfill. In this study the authors evaluate the geosynthetic clay liner(GCL) as a barrier layer at the edge of the final cover system in landfill. The GCLs were simulated the stability of slope, the HELP(Hydrologic Evaluation of Landfill Performance) and the durability of environmental situation. As the results, the GCL has more stable than the CCL. Therefore, the authors suggest that the GCL in good for the barrier layer of the final cover system in the landfill.
Durability Assessment of Geogrids by Reduction Factors
Jeon, Han Yong ; Heo, Dai Young ;
Journal of the Korean Geosynthetic Society, volume 3, issue 2, 2004, Pages 31~38
Long-term stability of two type geogrids were evaluated. Membrane drawn type geogrid showed the exponential type tensile property and textile type geogrid showed the rapid increase of tensile property closer toward the break point. Accelerated creep test was done for textile type geogrid but not done for membrane drawn type geogrid because of its thermal property. Creep strain for membrane drawn type geogrid was larger than the ultimate tensile strain by tensile test and reduction factor by creep deformation of textile type geogrid was smaller than that of membrane type geogrid.
Analysis of Long-Term Deformation Behaviors of Geocomposites for Reinforcement
Jeon, Han Yong ; Heo, Dai Young ;
Journal of the Korean Geosynthetic Society, volume 3, issue 2, 2004, Pages 39~45
Geocomposite mechanically bonded with woven type geotextile and nonwoven geotextile was used to examine to the long-term creep deformation behaviors by the SIM(Stepped Isothermal Method). The temperature steps were
and loading levels were 40%, 50%, 60% of designed strength for stepped isothermal method. Results of creep tests are showing that their strain were lower than 10% during 10,000 hours(GRI GS 10). Also, the effect of weft injection density to the creep deformation behaviors were examined. The weft densities of 0%, 50%, 100% of the original weft density showed the creep strain within 10% and the creep strain was increased with the decrease of weft injection density.