OALib Journal期刊
ISSN: 2333-9721
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汶川地震后对我国结构工程抗震的几点思考
, PP. 54-59
Keywords: 桥梁工程,汶川地震,结构工程,抗震,抗震设防标准
Abstract:
通过前两位作者前后两次赴汶川地震灾区进行考察调研,获取了震害的第一手资料。首先阐述了汶川地震的特点,分析了结构工程特别是桥梁工程震害产生的原因;研究了桥型与抗震性能的关系,提出在不同场地和不同条件下应采用不同的桥型、高烈度地震区的适宜桥跨结构型式应进行深入研究;探讨了桥梁结构的抗震设防标准问题,建议对重要性公路桥梁,采用中震不坏的设计原则;讨论了概念设计与抗震构造措施对桥梁抗震的重要性;提出应重视减隔震耗能技术在桥梁工程中的应用;根据国外的经验,建议对桥梁结构的抗震评价与加固技术进行深入的探讨和研究;探讨了我国在灾害的应急决策机制、防灾减灾政策和技术研究等方面存在的问题;最后,针对目前我国结构抗震中存在的问题,提出了相应的建议。
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