Transcription of 付録A. 地すべりに関する基本情報
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59.. (factor of safety) .. 1 . 1 . 6 . (swelling soils) . 1 .. (expansive soils) .. (borehole) . 3 . (zonation) .. 2 2 .. 3 .. (geomorphology) .. 3 .. (geophysical studies) .. 3 . (geologic hazard) .. 3 . (geologic map) .. 3 . (subsidence) .. 3 . (sag pond) . 3 .. (debris basin) catch basin .. 3 . (alluvial fan) .. 3 .. 60. (perched ground water) . 3 .. (mudflow) . 60 3 . DEM (Digital Elevation Model) DEM .. (delta-front landsliding) .. (electronic distance meter) EDM . 10 . 1 . (soil mechanics) . 3 .. (drawdown) .. 3 .. DTM (Digital Terrain Model) . 3 .. (liquefaction) . 4 . (weathering) .. 4 . (bedrock) . 3 .. (rock mechanics) .. 3 . (lithology) . 3 .. GIS (Geographic Information System) .. (GIS) . 3 . (strainmeter) .. 3 .. (tensile stress) . 3 . (colluvium) . 2 . (surficial geology) . 3 . 61. (landslide dam) . 3 . (landslide inventory maps).
含水すると体積が増加し、乾燥すると収縮する土あるいは軟岩.ベントナイト, 膨張土,モンモリロナイト質土としてもよく知られている.(参考文献1)
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