Karya
Judul/Title Geotechnical properties and geology age on characteristics of landslides hazards of volcanic soils in Bali, Indonesia
Penulis/Author Ir. I Nengah Sumerti (1) ; Prof. Dr. Ir. Ahmad Rifa'i, MT. (2); Prof. Ir. Teuku Faisal Fathani, Ph.D., IPU. (3); Prof. Dr.Eng. Ir. Wahyu Wilopo S.T., M.Eng., IPM. (4)
Tanggal/Date 10 2016
Kata Kunci/Keyword
Abstrak/Abstract Landslides in ancient mountains in Indonesia have occurred in various types, scales and frequencies. Such variation seems to be determined by the weathering related to geological age. Hence, it is deemed essential to study the distinctive condition of landslide on ancient volcanic rocks. It is aimed to observe the features and avalanches that occur due to the geological age of ancient volcanic rocks in order to predict future events and the identification of instability. Geotechnical parameters on volcanic rocks and geological age were used for the interpretation of the instability. The interpretation of ancient volcanic rocks to the hazards of landslides in this study was as an attempt to create an early warning system against the vulnerability of landslides.The runoff movement is triggered by erosion in the channel valleys and the failure of the shear on soil due to sharp increase of groundwater levels. The presence of bulking in the sediment and the run off has led the surface material to be eroded from the upstream slope to the slopes. In comparison, landslides in a metamorphic rock area are in the form of translational and rotational complex movements, whereas in ancient volcanic rocks that formed at the pleistocene era, avalanches occur in the form of creep and the steep slope debris flow occurs where the material surface drainage occurs because the loose material is relatively low slope and strength parameters.
Rumpun Ilmu Geologi
Bahasa Asli/Original Language English
Level Internasional
Status
Dokumen Karya
No Judul Tipe Dokumen Aksi
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