基于正交枚举法的大型裂缝建筑加固优化方法研究与仿真
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摘要
以往对大型裂缝建筑的震害预测及抗震加固,通常分析加固薄弱建筑单元,或者加固成本最低化为目标,没有对裂缝建筑体的服务水平进行分析。提出了基于正交枚举法的大型裂缝建筑加固优优化方法,依据大型裂建筑体的功能要求和抗震特征,将单元抗震可靠度以及震后各裂缝建筑段压力作为限制规范,确保震后裂缝建筑系统压力总降幅度最低化,并将总体裂缝建筑体固化投入最小化当成数学模型的优化目标,采用建筑单元可靠度变量的离散性,塑造了大型裂缝建筑加固优化模型,利用正交枚举法进行简化计算,实现大型裂缝建筑的加固优化求解。实验结果说明,所提方法实现了裂缝建筑的固化优化,并且具有较高的可靠度。
Past for large cracks in the building earthquake damage prediction and seismic strengthening,usually analyze strengthening weak construction unit, or the lowest cost of reinforcement into the goal,not to crack the building level of service is analyzed. Is proposed based on orthogonal enumeration method of large cracks reinforcement optimization method, according to the large crack the functional requirement of the building and seismic characteristics of the unit aseismic reliability as well as the fracture pressure at the building after an earthquake to restrict the specification, to ensure the earthquake fracture construction lowest total reduction of system pressure, and minimizing overall crack the building curing input as a mathematical model for the optimization goal, the construction unit reliability of discrete variables, created large cracks reinforcement optimization model, by using orthogonal enumeration method to simplify calculations, large cracks in the construction of strengthening optimization solution. Experimental results indicate that the proposed method implements the cracks in the building of curing optimization, and has high reliability.
Past for large cracks in the building earthquake damage prediction and seismic strengthening,usually analyze strengthening weak construction unit, or the lowest cost of reinforcement into the goal,not to crack the building level of service is analyzed. Is proposed based on orthogonal enumeration method of large cracks reinforcement optimization method, according to the large crack the functional requirement of the building and seismic characteristics of the unit aseismic reliability as well as the fracture pressure at the building after an earthquake to restrict the specification, to ensure the earthquake fracture construction lowest total reduction of system pressure, and minimizing overall crack the building curing input as a mathematical model for the optimization goal, the construction unit reliability of discrete variables, created large cracks reinforcement optimization model, by using orthogonal enumeration method to simplify calculations, large cracks in the construction of strengthening optimization solution. Experimental results indicate that the proposed method implements the cracks in the building of curing optimization, and has high reliability.
引文
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