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依据宋代《营造法式》,设计了4种试验用宋式木构足尺及比例模型并确定了相应的屋盖形式;因屋面瓦和铺衬在雨雪天吸水而使屋盖重量加大,提出了考虑使用期和施工期不同工况计算屋盖重量;分析了《营造法式》中黄松与华北落叶松的关系,引入应县木塔柱轴力并与实际计算的屋盖重量对比,初步推定了《营造法式》中各材等间按照确定的相似准则在荷载效应上存在对应关系。结果可为计算宋式类似木构屋盖重量提供借鉴,为进一步探索材份制中的相似关系和木结构模型相似系数提供参考。
According to Song “to create French”, designed four kinds of experimental Song wooden foot and scale model and determine the corresponding roof form; due to roofing tiles and lining water absorption in the rain and snow to make the roof heavier, put forward Considering the different working conditions and construction period, the weight of the roof was calculated. The relationship between ponderosa pine and Larix principis-rupprechtii in “creating a French style” was analyzed. The axial force of the wooden tower in Yingxian County was introduced and compared with the calculated roof weight. According to the similarity criterion established in “Creating French”, there is a correspondence between load effect. The results can provide reference for the calculation of the similar wooden roof weight in Song Dynasty, and provide references for further exploring the similarities and the similarity coefficients of wood structure models in the wood-based system.