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Geological Environment Risk Assessment for Residential Land and Public Facilities Land at Caofeidian Newly-Developed Areas
详细信息   
摘要
Development of new coastal economic zones is a great movement for economical construction in China. In order to reduce the risk of geological environment problems and to construct the newly-developed area rationally, this paper proposes a technological system that can be adapted for risk assessment of geological environment of newly-developed areas along shoreline at Caofeidian district.Based on the geological safety assessment and geologicalenvironmental suitable assessment system,the follow factors are considered: basic geological condition,the level of importance of the function land and general plan of newly-developed area,and finally adopt composite index assessment model to finish the geological environment assessment for residential land and public facilities land.The results indicate that:(1) the lowest risk areas make up 7.269% of all the areas.They are suit for residential land and public facilities and have little geological environmental problems.(2) the lower risk areas make up about 77.178%.In general,the geological environment suitability in these areas is good.Part of them should take some engineering measures before construction.(3) the higher risk areas make up 14.487%.There are serious geological environmental problems in these areas.These areas need special measures to deal with the poor geological conditions.(4) the highest risk areas make up 1.066%.These areas are not suit for construction and we recommend them to be used as ecological reservation land.The assessment results provide important geosciences evidence for the planning and construction of Caofeidian newly-developed areas.

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