There are four different types of geological formation and group. In western part of the project area, calcitic nature of Upper Plateau Limestone is found nearby north south trending intra formational fault. About two third of the mapped area is consisted of red coloured sandstone, siltstone, marl and conglomerate of Kalaw Formation in age of cretaceous. In centre of the formation, permo carboniferous aged Plateau Limestone, triassic aged Natteik Limestone and jurassic aged Loi An Group are exposed as inliers. The two formations, Natteik Limestone and Plateau Limestone, are cross cut by northeast trending faults interpreted with aerial photo analysis of the area. The project area lies within the Kalaw Formation. Five main types of rock mass classes are identified according to CRIEPI. They are CH, Cl, CM, CH and D class. The Lugeon values at the Upper Keng Tawng dam site area are less than 5 lugeon after the grouting. The main purposes of Tawng dam regional development The project electricity 51 MW and average energy in annual is 267 MWh.
by Man Deih Cing | Hla Myat Htwe ""Geotechnical Investigation of upper Keng Tawng Dam""
Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019,
URL: https://www.ijtsrd.com/papers/ijtsrd26678.pdf
Paper URL: https://www.ijtsrd.com/engineering/geological-engineering/26678/geotechnical-investigation-of-upper-keng-tawng-dam/man-deih-cing
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