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场地异常区的存在对结构物能造成严重的威胁和安全隐患。工程勘查中往往对异常区的发现概率较低,必须加强对异常区的评估。根据异常区分布特点并结合勘察工作方法特点,利用基于德尔菲法的综合模糊评估方法,对异常区的存在性进行预测。根据对异常区的评估结果,提出应对措施意见,以期达到提高异常区的发现概率和降低勘察阶段风险的目的。
The existence of anomalous area of the site can pose a serious threat to the structure and potential safety hazard. In engineering exploration, the probability of finding anomalous regions is often low, and the assessment of abnormal regions must be strengthened. According to the characteristics of the anomaly area distribution and the characteristics of reconnaissance working methods, the comprehensive fuzzy evaluation method based on Delphi method is used to predict the existence of anomalous zones. According to the assessment results of the anomaly area, the author puts forward the opinions of the countermeasures, in order to achieve the purpose of improving the probability of discovering the anomalous area and reducing the risk of investigation.