臺灣博碩士論文加值系統

本研究乃探討以低降伏鋼板作為斜撐接合板之『強斜撐－弱接合板』特殊同心斜撐構架之行為，首先研究斜撐構材在承受拉力及壓力下之力與位移關係；並對以梁柱構材為固定邊之低降伏鋼材斜撐接合板，探討其強度及變形能力；其次分別以單層斜撐構架進行單斜撐及X型之雙斜撐分析，探討傳統特殊同心斜撐構架與『強斜撐－弱接合板』之特殊同心斜撐構架在反復側推下之遲滯回圈行為，再則以3層單跨度單斜撐構架進行反復側推及10層多跨度斜撐構架單向側推，以驗證採用以『強斜撐－弱接合板』設計之特殊同心斜撐構架之可行性。最後以一棟5層樓之立體構架為設計例，說明『強斜撐－弱接合板』特殊同心斜撐構架之設計方法及建議，並提出3種斜撐接合板之施工方式供工程師參考。

This research is aimed at studying the structural behavior of low yielding point (LYP) steel gusset plate connections in steel braced frames. The steel braced frames were designed using the “strong brace - weak gusset“ philosophy. The first series of study is to examine the strength and deformation for the different slenderness of bracing members and the low yielding point steel gusset plate connections. Then, by using the single story one bay frame with diagonal brace and X braces to investigate the seismic behavior between the structures were designed using the “strong brace – weak gusset” and conventional concentrically braced frames. The third part of this study is to proof the practicability in the multi-stories of steel braced frame which was designed using the “strong brace – weak gusset”. Base on the results of this research, guidelines for the design procedure of the low yielding point steel gusset plate connections in the steel braced frames which was designed using the “strong brace – weak gusset”. And to suggest 3 kinds of steel gusset plate connections for structural engineers.

第一章 緒論 -------------------------------------------- 1
1-1研究動機及目的 ----------------------------------- 1
1-2文獻回顧 ---------------------------------------- 5
1-3研究方法與內容 ----------------------------------- 8
第二章 斜撐構架中斜撐桿件性質之探討 --------------------- 10
2-1前言 --------------------------------------------- 10
2-2 ANSYS有限元素模型分析 -------------------------- 12
2-2-1反復拉壓分析 --------------------------------- 12
2-2-2單向拉、壓力分析 ----------------------------- 13
2.3 ANSYS之分析結果與討論 ------------------------- 14
第三章 斜撐接合板之探討 --------------------------------- 25
3-1前言 --------------------------------------------- 25
3-2接合板標稱強度計算之方法 ------------------------- 26
3-3低降伏鋼板之材料性質 ----------------------------- 28
3-4接合板傳遞軸力之影響線角度之探討 ----------------- 29
3-5分析結果與討論 ----------------------------------- 30
第四章 單層及多層構架之探討 ----------------------------- 43
4-1前言 --------------------------------------------- 43
4-2 單層構架分析 ------------------------------------ 43
4-3 多層構架分析 ------------------------------------ 45
4-4 分析結果及討論 ---------------------------------- 46
4-5 『強斜撐－弱接合板』之SCBF構架設計例 ---------- 50
第五章 結論與建議 -------------------------------------- 75
參考文獻 ----------------------------------------------- 79

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