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玉树州红旗小学建筑物震害调查

Earthquake damage investigation on Red Flag Primary School buildings in Yushu Autonomous Prefecture
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摘要 根据玉树地震灾区玉树州红旗小学建筑物震后破坏情况,结合现场图片对其破坏形态及原因进行了分析。提出了对砖混结构教学楼抗震设防的若干建议:(1)限制采用悬挑外廊式单跨多层砖混结构,最好在外走廊的外侧边加设一排钢筋混凝土柱;(2)优先采用现浇混凝土楼面板、屋面板。(3)每层设圈梁,多设构造柱;(4)建筑平面、立面布置应该规则、对称,不宜局部突出;(5)教学用房的层数应该加以限制,小学不超过4层;(6)外走廊宽度应该适当增宽;(7)在学生中普及地震应急和救生知识,每年定期开展地震灾害的应急、救生演习;(8)在学校建筑物基础与上部结构之间设置叠层橡胶支座,以减小建筑物的地震反应。 According to the damage situation showed by spot pictures after the Yushu earthquake,the failure modes and causes of the buildings in Red Flag Primary School in Yushu Autonomous Prefecture were analysed.Some suggestions on seismic fortification of masonry construction of teaching buildings are put forward as follows:(1) The cantilever veranda style architecture of single span multilayer masonry structure is forbidden.The advice is that a series of reinforced concrete columns should be set on the outside of the veranda;(2) The cast-in-place concrete floor and roof should be preferred;(3) Ring beam should be set in each floor and more constructional columns will be set in the masonry building;(4) Symmetric and regular layout of structures should be adopted in plan and elevation diagram.(5) The stories of the teaching building should be limited,which are not higher than four stories for the primary school;(6) The width of lanai should be increased properly;(7) The knowledge of earthquake and lifesaving should be popularized among the students and earthquake emergency lifesaving drill should be carried out regularly in each year;(8)Laminated rubber bearing could be set between the foundation and the superstructure of the building to decrease the seismic response on the building.
出处 《世界地震工程》 CSCD 北大核心 2011年第4期96-101,共6页 World Earthquake Engineering
关键词 玉树 红旗小学 建筑物 震害 调查 Yushu Red Flag Primary School building earthquake damage investigation
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