首页|基于荷载修正的传统木构建筑构件重要性分析方法研究

基于荷载修正的传统木构建筑构件重要性分析方法研究

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传统木构建筑的构件重要性对于整体结构状态的评估具有重要意义,为弄清楚传统木构建筑的构件重要性,开发了一种基于荷载修正的传统木构建筑构件重要性评价程序,基于荷载工况修正与荷载重分布修正重构了荷载分布矩阵,基于荷载施加构件修正改进了构件重要性计算方法.以典型传统木构建筑——保国寺大殿为例进行了数值模拟分析,并基于广义刚度评价了构件重要性,分析了各项修正对构件重要性的影响情况以及最终修正对构件重要性的结果变化率.结果表明:柱类构件的修正变化为-0.526%~2.192%;梁袱类构件的修正变化为-2.638%~50.598%;铺作类构件的修正变化为-12.763%~9.989%;榑类构件的修正变化为-7.586%~6.918%.保国寺大殿构件重要性排序:柱类>榑类>梁袱类>铺作类;修正后柱类、梁栿类重要性提高,铺作类、榑类重要性降低.可为传统木构建筑的结构状态评估和预防性保护提供参考.
Research on the modified component importance analysis method for traditional timber buildings based on load
The importance of traditional timber building components is of great significance to the assessment of the overall structural status of timber buildings.In order to clarify the importance of traditional timber building components,we developed a modified evaluation procedure based on load.The load distribution matrix was reconstructed based on load conditions and load redistribution,and the calculation method for component importance was improved based on load-bearing components.We took the main hall of Baoguo Temple,a typical traditional timber building,as an example,for carrying out the numerical simulation analysis,evaluating component importance based on the generalized stiffness,and analyzing the influence of each modification on component importance and the resultant change rate of the modifications to component importance.The results show that:the modified variation of the column class was-0.53%to 2.19%;that of the Liangfu class was-2.6%to 50.6%;that of the Puzuo class was-12.8%to 9.99%;that of the Tuan class was-7.6%to 6.9%.The component importance of the main hall of Baoguo Temple was:the column class>Tuan class>Liangfu class>Puzuo class.The modified importance of the column class and Liangfu class increased,but that of the Puzuo class and Tuan class decreased.This study could provide a reference for the structural state assessment and preventive conservation of traditional timber buildings.

Traditional timber buildingComponent importanceAltering elastic modulus methodCombination of load conditionsLoad redistribution

花全均、淳庆、张承文、林怡婕

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东南大学建筑学院,江苏南京 210096

传统木构建筑 构件重要性 改变弹性模量 荷载工况组合 荷载重分布

江苏省重点研发课题江苏省文物科研课题

BE20228332021SK16

2024

文物保护与考古科学
上海博物馆

文物保护与考古科学

CSTPCDCHSSCD北大核心
影响因子:0.453
ISSN:1005-1538
年,卷(期):2024.36(2)
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