TY - JOUR ID - 3024 TI - Design and construction of inclined plane device for modeling the interface interaction of geo-synthetic layers JO - Amirkabir Journal of Civil Engineering JA - CEEJ LA - en SN - 2588-297X AU - Shaykhi, Payman AU - LAJEVARDI, seyed hamid AD - Department of Civil Engineering, Arak Branch, Islamic Azad University, Arak, Iran AD - Y1 - 2020 PY - 2020 VL - 51 IS - 6 SP - 1261 EP - 1276 KW - Geo-synthetic KW - laboratory study KW - inclined plane device KW - interface interaction KW - Geo-membrane/geo-textile DO - 10.22060/ceej.2018.14276.5611 N2 - One of the important applications of geo-synthetics in the earth’s slopes, such as landfills and waste disposal areas, is to use them as liner system. Proper assessment of the interaction of geo-synthetics at slopes, such as landfill, is an important issue in preventing the slip and instability of the slopes. The inclined plane is a suitable method for assessing the interaction between the geo[1]synthetics interacting in a sloping and tilted state under low normal stresses. The European Standard EN ISO 12957-2 provides a “standard displacement” for estimating the geo-synthetic interface’s friction angle. In this paper, inclined plane device, which for the first time in Iran was completely designed and constructed, describes the technical characteristics of the device and prepares the sample. This apparatus has the ability to perform experiments to investigate the interaction of soil-soil, soil/geo-synthetics and geo-synthetic/geo-synthetic interfaces at low normal stress. Experiments are carried out on geo[1]membrane and geotextile types to investigate the interaction of their surface. By changing the type of geo-synthetics, it was observed that friction angle of geo-synthetic interfaces is not constant and depends on the type of geo-membrane and the woven or non-woven geo-textile. The geo-membrane/geo-textile interface is the least amount of geo-membrane with hard polyethylene, and the highest amount is used when polyvinyl chloride is used. UR - https://ceej.aut.ac.ir/article_3024.html L1 - https://ceej.aut.ac.ir/article_3024_f2f04d1bf5f356b01187aedb6a4917fc.pdf ER -