Safety BIM intelligent modeling analysis of prestressed concrete continuous girder bridge construction scene

IF 0.7 Q4 CONSTRUCTION & BUILDING TECHNOLOGY
Tao Li, Bori Cong, Maowang Yan, Qingying Li, Xinyuan Zhu
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引用次数: 0

Abstract

BIM intelligent modeling is used to analyze the safety of the construction scene of prestressed concrete continuous girder bridge, so as to realize the safety management of the bridge construction scene and improve the construction efficiency. The construction safety analysis system is used to analyze the binding data of construction safety, and the data is combined with the self-applicable equilibrium control and the game equilibrium control to build the construction scene safety objective function model. On this basis, combined with the control constraints of the whole life cycle, the statistical analysis regression model is used to build the scene safety analysis model based on BIM. The whole life cycle safety intelligent analysis of the construction scene is realized, and the improved particle swarm optimization algorithm is used to solve the model by adaptive differential evolution, so as to shorten the calculation time of the model. The experimental results show that the safety management performance of the proposed method is high, and the safety management evaluation grade is 285. The identification accuracy of main beam stress change is high. Under the conditions of unbalanced load, combination of unbalanced load and prestress, combination of wind load and prestress and unbalanced load, the safety analysis of upper edge stress and lower edge stress of main beam can be effectively completed, and the construction safety of prestressed concrete continuous beam bridge can be realized.
预应力混凝土连续梁桥施工现场安全BIM智能建模分析
利用BIM智能建模对预应力混凝土连续梁桥施工现场安全性进行分析,实现桥梁施工现场安全管理,提高施工效率。利用施工安全分析系统对施工安全绑定数据进行分析,并将该数据与自适用均衡控制和博弈均衡控制相结合,构建施工现场安全目标函数模型。在此基础上,结合全生命周期的控制约束,运用统计分析回归模型构建基于BIM的现场安全分析模型。实现了建筑场景全生命周期安全智能分析,采用改进的粒子群优化算法,通过自适应差分进化对模型进行求解,从而缩短了模型的计算时间。实验结果表明,该方法具有较高的安全管理性能,安全管理评价等级为285。主梁应力变化识别精度高。在非平衡荷载、非平衡荷载与预应力相结合、风荷载与预应力与非平衡荷载相结合的条件下,可以有效地完成主梁上缘应力和下缘应力的安全性分析,实现预应力混凝土连续梁桥的施工安全。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Bridge Structures
Bridge Structures CONSTRUCTION & BUILDING TECHNOLOGY-
CiteScore
1.10
自引率
0.00%
发文量
5
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