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Author:

周乾 (周乾.) | 闫维明 (闫维明.) (Scholars:闫维明) | 慕晨曦 (慕晨曦.) | 杨慧 (杨慧.)

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Abstract:

为更好地保护古建筑,对故宫太和殿一层溜金斗拱在竖向荷载作用下的受力性能进行了静力试验.基于平身科、柱头科、角科斗拱的构造特征,制作1∶2的比例模型进行竖向加载试验,讨论了不同斗拱在荷载作用下的破坏形式、内力及变形特征,探讨了斗拱的竖向刚度计算模型.结果表明:在竖向荷载作用下,太和殿一层斗拱的坐斗及与之相交的头翘、正心瓜拱容易破坏,下层构件受力小于上层构件;斗拱极限承载力从大到小依次为柱头科、角科和平身科,斗拱变形和残余变形从大到小依次为平身科、角科和柱头科,斗拱延性从大到小依次为平身科、柱头科和角科;溜金斗拱秤杆后尾受力不大.竖向荷载作用下太和殿一层斗拱竖向刚度计算可简化为三折线模型.

Keyword:

太和殿 溜金斗拱 静力试验

Author Community:

  • [ 1 ] 故宫博物院
  • [ 2 ] 北京工业大学工程抗震与结构诊治北京市重点实验室

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Source :

西南交通大学学报

Year: 2015

Issue: 05

Volume: 50

Page: 879-885

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 15

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