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Case Study of Geological Risk Factors for Earthquake Hazard Mapping in the South Eastern Korea
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  In order to interpret geological risk assessment for Earthquake hazard by mapping work, since geotechnical and geologic feature of each country is different, it is necessary to objectify or classify quantitativel geological risk evaluation in accordance with Korean rock mass characteristics. It could be summarized major categories of geological risk factors by locally geological features as thickness of soil over the rocks, geologic structure, rock mass characteristics, hydrogeology, high stress, and ground characteristics. Induced main factors that could be evaluated and predicted Earthquake hazard risk through literature investigation and analysis study on research trend related to the Earthquake map  engineering around the world. The final 15 risk factors were derived by considering the geological and geotechnical characteristics of Korea from the 40 or so preliminary extracted risk factors. The 15 risk factors are classified into 4 main categories and 1 additional category.Among the five main categories, the geologic structure category are risk factors classified into faults and fracture zones, strike and dip of discontinuity, and dikes. Rock mass characteristics categories are risk factors classified into rock type, discontinuity roughness, RQD, uniaxial compressive strength of rock, and anisotropy. Hydrogeological categories are risk factors classified into groundwater level fluctuations, and permeability coefficients. The load category is the risk factor classified by the thickness of the soil above the rocks. The additional categories are risk factors classified into whether there is a karst topography, earthquake history, and ground displacement area. 
Title: Case Study of Geological Risk Factors for Earthquake Hazard Mapping in the South Eastern Korea
Description:
  In order to interpret geological risk assessment for Earthquake hazard by mapping work, since geotechnical and geologic feature of each country is different, it is necessary to objectify or classify quantitativel geological risk evaluation in accordance with Korean rock mass characteristics.
 It could be summarized major categories of geological risk factors by locally geological features as thickness of soil over the rocks, geologic structure, rock mass characteristics, hydrogeology, high stress, and ground characteristics.
 Induced main factors that could be evaluated and predicted Earthquake hazard risk through literature investigation and analysis study on research trend related to the Earthquake map  engineering around the world.
 The final 15 risk factors were derived by considering the geological and geotechnical characteristics of Korea from the 40 or so preliminary extracted risk factors.
 The 15 risk factors are classified into 4 main categories and 1 additional category.
Among the five main categories, the geologic structure category are risk factors classified into faults and fracture zones, strike and dip of discontinuity, and dikes.
 Rock mass characteristics categories are risk factors classified into rock type, discontinuity roughness, RQD, uniaxial compressive strength of rock, and anisotropy.
 Hydrogeological categories are risk factors classified into groundwater level fluctuations, and permeability coefficients.
 The load category is the risk factor classified by the thickness of the soil above the rocks.
 The additional categories are risk factors classified into whether there is a karst topography, earthquake history, and ground displacement area.
 .
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