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沿海高层建筑抗震设计与耐久性设计的使用年限和性能要求
Service life and performance requirement in seismic design and durability design of coastal high-rise buildings

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沿海高层建筑抗震设计与耐久性设计的使用年限和性能要求....pdf (293.0Kb)
Date
2009
Author
刘英达
石建光
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  • 建筑土木-已发表论文 [1399]
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Abstract
从沿海高层建筑的抗震与耐久性设计出发,探讨了抗震设计与耐久性设计的设计使用年限、性能要求。设计使用年限的增加意味着地震重现期要延长,对发震断裂带上的建筑地震设防烈度会增大,远离发震断裂带的建筑地震出现的次数增加。耐久性和抗震性危害留的余地不同,耐久性小,抗震性大。但如果耐久性下降会引起抗震性降低。所以保证耐久性是保证抗震性的前提,重视突发性抗震性损坏的同时,不应该忽略长期耐久性损坏的预防。耐久性不足,既增加了结构使用过程中的修理与加固费用,也会降低结构的抗震能力。抗震的性能要求主要体现在保证结构的足够强度、刚度、整体性和稳定性,而耐久性设计要对混凝土材料、结构构造、施工要求等提出要求。
 
Considering the seismic and durability design of coastal high-rise buildings,the service life and performance requirement in seismic design and durability design are discussed.The prolong of service life presumes the extending of earthquake return period,the augmentation of earthquake fortification intensity in fracturing segment and the increment of earthquake arisen apart from fracturing segment.The leaving space for durability and seismic danger is different,durability design is small and seismic design is large.But the degradation of durability will lower seismic quality.Ensuring the durability is the precondition of guaranteeing seismic quality.When the outburst earthquake detriment is recognized the durability degradation should be defended.The durability degradation not only increases the charge in maintenance and strengthening,but also reduces the seismic ability.The seismic performance requirement mainly is shown in guaranteeing the enough strength,stiffness,robustness and stability.The durability design mainly includes the requirements for concrete material,constructional measure and construction requirement.
 
Citation
福建建筑,2009,(10):70+92-94
URI
https://dspace.xmu.edu.cn/handle/2288/108593

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