台灣傳統穿鬬式木構造之補強技術研究-以玻璃纖維及碳纖維布為例 = Mec...
侯凱文

 

  • 台灣傳統穿鬬式木構造之補強技術研究-以玻璃纖維及碳纖維布為例 = Mechanical Behaviors of Reinforced Timber Connections of Traditional Chuan-Dou Structures in Taiwan - The Study of Glass Fiber and Carbon Fiber
  • 紀錄類型: 書目-語言資料,印刷品 : 單行本
    並列題名: Mechanical Behaviors of Reinforced Timber Connections of Traditional Chuan-Dou Structures in Taiwan - The Study of Glass Fiber and Carbon Fiber
    作者: 侯凱文,
    其他團體作者: 國立高雄大學
    出版地: [高雄市]
    出版者: 撰者;
    出版年: 2009[民98]
    面頁冊數: 94面圖、表 : 30公分;
    標題: 旋轉勁度
    標題: Carbon fiber
    電子資源: http://handle.ncl.edu.tw/11296/ndltd/98943192452117061893
    附註: 參考書目:面
    附註: 指導教授:陳啟仁
    摘要註: 穿鬬式木構架是台灣民間建築較普及的構造方式,早期使用於一般厝屋及廟宇,這些歷時已久的古蹟及歷史建築許多都在九二一地震中遭到損毀,自此之後,傳統木結構的結構行為越來越受到重視。過去的結構分析實務中,大多將這些木接點假設為鉸接,而近年來國內木構造接點的研究大多集中在穿鬬式木構架面內接點的討論。因此本研究則主要針對此類接點作為拉繫功能及提供構架面外剛度接點的力學特性,來進行木構造樑柱接點補強研究與分析。穿鬬式木構架柱梁接點可分為三個種類,分別為連續、斷開對接及燕尾榫搭接。本文利用實驗的方法,探討穿鬬式木構架中接受補強材料碳纖維及玻璃纖維布補強後,樑柱接點受到彎矩作用時之結構及破壞行為。本文先透過文獻的整理,分析出連續、斷開與燕尾榫接點在彎矩作用下的缺點及破壞模式,並以足尺實體實驗取代縮尺實驗,再針對這些破壞模式及缺點來加以改善,採用環氧樹脂搭配碳纖維及玻璃纖維兩種工法來針對接點進行補強,並在同樣的基礎上來討論這些補強措施的效果及其對旋轉行為的影響。在利用統計分析後,分別提出不同種類接點的初始勁度及曲線預測式。本文更進一步探討不同種類接點在受到彎矩作用時結構行為的差異。經過40組試體補強試驗後,發現試體補強之效果旋轉剛度及極限彎矩之提升:連續榫接經補強後的旋轉勁度約介於49~56 kN-m/rad之間,極限彎矩則介於5.17~6.59kN-m之間,斷開榫接經補強後的旋轉勁度約介於55~187 kN-m/rad之間,極限彎矩則介於3~5kN-m之間,燕尾榫經補強後的旋轉勁度約介於46~79 kN-m/rad之間,極限彎矩則介於2.33~4.5kN-m之間,可見本文所建議的補強方式在正向旋轉勁度及強度上,有其顯著的效果。以此三類補強試體的力學性質及破壞模式來看,未來的後續研究可以朝木質材料的天然變異性、碳纖維及玻璃纖維的變化及人工施作的精密度,來作考量設計。 Traditional Chuan-Dou Structures is a structure more accessible mode in Taiwan civil construction. In the early, the structure use in the general housing and temples Houses. These long-lasting monuments and historic buildings, many of them were destroyed in the 921 Earthquake. Since then,the structure acts of the traditional wooden structure more and more attention to. Structural analysis of past practice, most of these contacts is assumed to be hinged joint. In recent years the study of domestic wood-built contact wear mostly concentrated in Traditional Chuan-Dou Structures frame the discussion of plane contact. Therefore, this study was mainly aimed at wood construction contact as a pull system functions and provide a framework for contact-plane stiffness of the mechanical properties. In the wood-built mechanical properties of reinforced Beam-column contact research and analysis.Traditional Chuan-Dou Structures can be divided into three types of contact were Continued, Interrupted and Dovetail. In this paper, the use of experimental methods to discussion Traditional Chuan-Dou Structures accepted Carbon fiber reinforced materials and Glass fiber reinforced materials. The Beam-column contact by the moment the role of the structure and acts of vandalism. This article first through the collation of literature to analyze the Continued, Interrupted and Dovetail at the moment under the action of the shortcomings and failure modes and full-scale experiment to replace the reduced scale physical experiments then for these failure modes and weaknesses to be improved. In this study, the two kinds of work carried out for contact reinforcement epoxy resin with Carbon fiber and Glass fiber method and in the same theoretical basis to discuss the effects of these reinforcement measures, and its rotation behavior. In the use of statistical analysis, proposed separately by the different types of contact stiffness and curve of the initial predictive. This further explore the different types of contacts are moments in the role of structural behavior differences.After 40 group reinforced test specimen, reinforced specimen was found the ultimate moment and rotational stiffness should be upgraded: After Continued by the reinforcement, the rotational stiffness is about between 49 ~ 56 kN-m/rad , ultimate moment is between 5.17 ~ 6.59kN-m. After Interrupted by the reinforcement, the rotational stiffness is about between 55~187 kN-m/rad , ultimate moment is between 3~5 kN-m. After Dovetail by the reinforcement, the rotational stiffness is about between 46~79 kN-m/rad , ultimate moment is between 2.33~4.5 kN-m. As three types of reinforcing the mechanical properties of specimens and failure modes of view,can move in the future follow-up study of the natural variability of wood-based materials, carbon fiber and glass fiber changes and artificial facilities for precision, we can make the design considerations.
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