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首页> 外文期刊>Computational intelligence and neuroscience >Analysis of the Seismic Performance of Isolated Buildings according to Life-Cycle Cost
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Analysis of the Seismic Performance of Isolated Buildings according to Life-Cycle Cost

机译：根据生命周期成本分析孤立建筑物的地震性能

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This paper proposes an indicator of seismic performance based on life-cycle cost of a building. It is expressed as a ratio of lifetime damage loss to life-cycle cost and determines the seismic performance of isolated buildings. Major factors are considered, including uncertainty in hazard demand and structural capacity, initial costs, and expected loss during earthquakes. Thus, a high indicator value indicates poor building seismic performance. Moreover, random vibration analysis is conducted to measure structural reliability and evaluate the expected loss and life-cycle cost of isolated buildings. The expected loss of an actual, seven-story isolated hospital building is only 37% of that of a fixed-base building. Furthermore, the indicator of the structural seismic performance of the isolated building is much lower in value than that of the structural seismic performance of the fixed-base building. Therefore, isolated buildings are safer and less risky than fixed-base buildings. The indicator based on life-cycle cost assists owners and engineers in making investment decisions in consideration of structural design, construction, and expected loss. It also helps optimize the balance between building reliability and building investment.
机译：本文提出了一种基于建筑物生命周期成本的地震性能指标。它表示为生命周期成本的寿命损失的比率，并决定了隔离建筑的地震性能。考虑了主要因素，包括危险需求和结构能力，初始成本和地震期间预期损失的不确定性。因此，高指标值表明建筑物差的抗震性能。此外，进行了随机振动分析以测量结构可靠性，评价隔离建筑物的预期损失和生命周期成本。预期损失实际，七层孤立的医院建筑只有37％的固定基地建筑。此外，隔离建筑的结构地震性能的指标比固定基地建筑物的结构地震性能的值远低得多。因此，孤立的建筑比固定基地更安全，更少的风险。基于生命周期成本的指标协助所有者和工程师在考虑结构设计，建筑和预期损失方面进行投资决策。它还有助于优化建筑物可靠性和建筑投资之间的平衡。

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