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Safety Risk Assessment of Overturning Construction of towering structure Based on Cloud Matter–Element Coupled Model

引用

Computer Modeling in Engineering & Sciences 2023年第8期136卷 1973-1998页

作者： Yingxue Sang Fengxia Han Qing Liu Liang Qiao Shouxi Wang School of Architecture and Engineering Xinjiang UniversityUrumqi830017China Xinjiang Key Lab of Building structure and Earthquake Resistance Urumqi830017China China Railway No.21 Bureau Group No.1 Engineering Co. Ltd.Urumqi830026China

Rapid urbanization has led to a surge in the number of towering structures,and overturning is widely used because it can better accommodate the construction of shaped structures such as variable *** complexity of the construction process makes the construction risk have certain randomness,so this paper proposes a cloudbased coupled matter-element model to address the ambiguity and randomness in the safety risk assessment of overturning construction of towering *** the pretended model,the digital eigenvalues of the cloud model are used to replace the eigenvalues in the matter–element basic element,and calculate the cloud correlation of the risk assessment metrics through the correlation algorithm of the cloud model to build the computational ***,the improved hierarchical analysis method based on the cloud model is used to determine the weight of the *** comprehensive evaluation scores of the evaluation event are then obtained through the weighted average method,and the safety risk level is determined *** empirical analysis,(1)the improved hierarchical analysis method based on the cloud model can incorporate the data of multiple decisionmakers into the calculation formula to determine theweights,which makes the assessment resultsmore credible;(2)the evaluation results of the cloud-basedmatter-element coupledmodelmethod are basically consistent with those of the other two commonly used methods,and the confidence factor is less than 0.05,indicating that the cloudbased physical element coupled model method is reasonable and practical for towering structure overturning;(3)the cloud-based coupled element model method,which confirms the reliability of risk level by performing Spearman correlation on comprehensive assessment scores,can provide more comprehensive information of instances compared with other methods,and more comprehensively reflects the fuzzy uncertainty relationship between assessment indexes,which makes th

关键词： Cloud matter-element model clouded hierarchical analysis method towering structure overturning formwork construction risk assessment

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