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在研究地质灾害体特征的基础上,判定其稳定状态和易发程度,并进行分级赋值,综合分析受灾体的损坏程度、受灾体价值损失率等因素,进行地质灾害易损性评价,并分级赋值。在地质灾害稳定性、易发性、易损性评价的基础上,利用数学模型评估地质灾害危险性,结合拟建工程的特点,进行建设用地地质灾害危险性评价,论证地质灾害防治的可行性,并对防治工程效益进行分析评价,最终为实施工程提供依据。
On the basis of studying the characteristics of geological disasters, the authors determine the steady state and susceptibility of the geological disasters and make grading assignments. The damage degree of the affected areas and the value loss rate of the affected areas are comprehensively analyzed to evaluate the vulnerability of geological hazards and to classify them Assignment. Based on the evaluation of the stability, vulnerability and vulnerability of geological disasters, the mathematical hazard model is used to evaluate the risk of geological disasters, and the risk assessment of geological disasters in construction land is carried out according to the characteristics of the proposed project. The feasibility of geological disaster prevention and control is demonstrated , And analysis and evaluation of prevention and treatment project benefits, and ultimately provide the basis for the implementation of the project.