HAO Wenzhong, WANG Jiliang, HUANG Xiaoquan, ZHOU Bingqiang, LIU Chongping, XU Qi, WEI Yujun. 2016: STUDY ON THE ENGINEERING GEOLOGY OF THE SELECTION OF RIVERBED FOUNDATION PLANE OF HIGH ARCH DAM OF WUDONGDE HYDROPOWER STATION ON JINSHA RIVER. JOURNAL OF ENGINEERING GEOLOGY, 24(s1): 728-733. DOI: 10.13544/j.cnki.jeg.2016.s1.106
    Citation: HAO Wenzhong, WANG Jiliang, HUANG Xiaoquan, ZHOU Bingqiang, LIU Chongping, XU Qi, WEI Yujun. 2016: STUDY ON THE ENGINEERING GEOLOGY OF THE SELECTION OF RIVERBED FOUNDATION PLANE OF HIGH ARCH DAM OF WUDONGDE HYDROPOWER STATION ON JINSHA RIVER. JOURNAL OF ENGINEERING GEOLOGY, 24(s1): 728-733. DOI: 10.13544/j.cnki.jeg.2016.s1.106

    STUDY ON THE ENGINEERING GEOLOGY OF THE SELECTION OF RIVERBED FOUNDATION PLANE OF HIGH ARCH DAM OF WUDONGDE HYDROPOWER STATION ON JINSHA RIVER

    • There is high demand for the rock body of riverbed foundation, dam abutments and arch abutment in the process of building arch dam, especiallyWudongdehydropower station is as high as 270m high arch dam, the selection ofriverbed foundation planeis particularly important for the arch dam survey. Based on the conventional survey methods for Wudongdehydropower station, such as small diameter drilling, this paper studiedfoundation plane combined with drilling digital color television, water pressure test, sound wave testing, and so on. Then, the paper put forward the geology suggestions for the selection of riverbed foundation plane through a series of test results, determining the grade Ⅱ1 rock mass as the riverbed foundation, which has intact rock mass and good engineering geological characteristics, the minimum elevationof foundation plane is 718m. The research methods and ideas arereferencedby similar engineering survey.
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