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古建筑燕尾榫节点破坏机理及有限元分析
引用本文:吴洋,郭小东,许涛.古建筑燕尾榫节点破坏机理及有限元分析[J].低温建筑技术,2013(10):42-45.
作者姓名:吴洋  郭小东  许涛
作者单位:[1]北京工业大学抗震减灾研究所,北京100124 [2]河北联合大学,河北唐山063009
摘    要:为了准确把握节点传力与木构架力学性能的关系,进而为整体结构的安全性评价提供依据。按照《清式营造则例》大式建筑的尺寸,建立了四个缩尺比为1:2的单间一榀燕尾榫构架模型,通过对其竖向加载,得出了节点的受力关键部位、主要破坏形式;结合理论和有限元分析进一步验证了节点的受力机理。文中提供的数据和结论,可供古建筑研究者在进行类似结构分析中提供参考。

关 键 词:古建筑  榫卯  燕尾榫

DOVETAIL JOINT IN HISTORIC BUILDINGS FAILURE MECHANISM AND FINITE ELEMENT ANALYSIS
WU Yang,GUO Xiao-dong,XU Tao.DOVETAIL JOINT IN HISTORIC BUILDINGS FAILURE MECHANISM AND FINITE ELEMENT ANALYSIS[J].Low Temperature Architecture Technology,2013(10):42-45.
Authors:WU Yang  GUO Xiao-dong  XU Tao
Affiliation:1. Institute of Earthquake Resistance and Disaster Reduction, Beijing Univ. of Tech. , Beijing 100124, China; 2. Hebei United Univ. , Hebei Tangshan 063009, China)
Abstract:In order to accurately master the reldtionship of node force and timber frame mechanical properties, so as to provide the safety evaluation basis of the whole structure, according to the Qing Dy- nasty construction codes in magnificent building size, we establish the typical single dovetail joint frame models, each model scale ratio of 1 : 2. Through vertical loading test of the model, finally it is concluded that the stress of key parts, the main damage form ; combination of theory and finite element analysis the node stress mechanism is verified. The data and conclusions, can provide the reference for researchers in the similar structure analysis.
Keywords:historic buildings  out of mortise  dovetail joint
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