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차수구조 적용 지오멤브레인의 꿰뚫림 하중에 의한 저항성 평가
전한용,송정훈,오형선,안승재,Jeon, Han-Yong,Song, Jung Hoon,Oh, Hyung Sun,Ahn, Seung Jae 한국섬유공학회 2012 한국섬유공학회지 Vol.49 No.5
This study focused on the protection effect of geosynthetics installed on geomembrane to resist against puncture load. For this, a puncture unit was used and model test was conducted with various types of puncture load created by different shapes of the puncture tools. The puncture resistance of the installed geosynthetics as protective material for the geomembrane was_varied depending on the types of the geosynthetics and the puncture load. When a single cone shape of puncture tool was used, the protection effect of single cone used on all kinds of geosynthetics is lower than those of other puncture tools. Finally, geocomposite showed the best protection effect against the all puncture tools.
배수용 지오텍스타일의 환경노출조건에 의한 지속가능형 적용성 평가
안승재(Seung-Jae Ahn),오형선(Hyung-Sun Oh),이아람(A-Ram Lee),한지연(Ji-Yoen Han),전한용(Han-Yong Jeon) 한국지반신소재학회 2012 한국토목섬유학회 학술발표회 Vol.2012 No.11
In this study, PET spunbonded nonwoven geotextiles were used as filter media of PVD(Prefabricated Vertical Drainboard). 3.5% NaCl solution as an artificial seawater was applied to examine the long-term strength retention and reduction factor was determined from strength retention. Arrhenius models is applied to evaluate sustainable applicability of PET spunbonded nonwoven geotextiles at 25℃ is predicted.