臺灣博碩士論文加值系統

摘 要
美國SEAOC Blue Book提出之功能設計法草案中，要求檢核建築物在各回歸期地震下的非線性層間變位角，以確保結構體在各危害度等級下仍可保持其應有的功能性水準。
本文藉由改進容量震譜法求出建築物之屋頂層變位角ADI 值、最大層間變位角(SDI)max值並歸納出台灣地區之COD值(COD=(SDI)max/ADI)。結果顯示,COD值會隨著結構物之週期升高而增加，而對低樓房（4樓）其COD值約為1.3，而對中、高樓房結構（12樓、20樓）可保守地取1.7為其 COD值。
文中並比較不同型態算例之差異性，並對進行改進容量震譜法分析時所選用的側力型式、降伏點決定方式之適用性進行探討，最後並與 Drain-2D+ 非線性時間歷時分析之結果印證之。

ABSTRACT
According to the tentative guideline for performance-based seismic design in Blue Book provided by SEAOC, the designer is required to check the story drift ratio in order to assure the behavior of the building remaining in the desired levels of seismic performance corresponding to different specified levels of earthquake.
This thesis used the improved capacity spectrum method to estimate the average drift index（ADI）, the maximum story drift index（(SDI)max）, and furthermore concluded the ratio of (SDI)max to ADI, the value of COD. Based on the results, COD increases with the period of structure and the values of COD for low rise buildings and high rise buildings are approximately equal to 1.3 and 1.7 respectively.
Moreover this study discussed the effects of lateral load patterns and the representations of idealized bilinear models of capacity curve during the procedure of improved capacity spectrum method analysis. The results are compared to that of Drain-2D+ using time history analysis.

目 錄
頁 碼
第一章緒論
1-1 前言 1
1-2 文獻回顧 2
1-2-1使用簡化模型之分析方法 2
1-2-2容量震譜法 3
1-3 本文內容 5
第二章非線性靜力分析與容量震譜之繪製
2-1 前言 6
2-2 非線性分析程式 7
2-2-1 Drain-2D+程式 7
2-2-2 塑性分析模式 9
2-2-3 梁柱構材之勁度計算 10
2-2-4 剛性域 11
2-3非線性靜力分析之理論背景與容量震譜的製作 12
2-3-1 多自由度擬單自由度化 12
2-3-2 容量震譜之繪製 15
2-4 影響容量震譜之變因探討 17
2-4-1側力形式的影響 17
2-4-2雙線性化過程的影響 21
2-4-3形狀向量 的影響 23
第三章需求震譜之建立及目標位移之求取
3-1 前言 25
3-2 Nonspec 程式簡介 25
3-2-1 勁度分析模式 25
3-3 彈性需求震譜的建立 26
3-3-1 危害度曲線的使用 26
3-3-2 彈性反應譜與彈性需求震譜 27
3-4 非彈性需求震譜的建立 29
3-3-1 之定義 30
3-3-2 非彈性需求譜線之建立與目標位移的決定 32
第四章功能設計法
4-1 初步設計 34
4-2 ADI、SDI與COD之應用 39
4-3 功能設計法之層間變位角檢核流程 40
第五章算例研究
5-1 不同降伏點決定方式之算例探討 47
5-1-1 結構概述及初步設計 48
5-1-2 層間變位角檢核 50
5-2 層變位角檢核失敗之算例探討 53
5-2-1 算例概述及初步設計 54
5-2-2 層間變位角檢核 55
5-3 不同側力形式之算例探討 57
5-3-1 結構概述及初步設計 57
5-3-2 層間變位角檢核 59
5-4 立面不規則結構之探討 62
5-4-1 質量不規則結構之算例探討 62
5-4-1-1 層間變位角檢核 63
5-4-2 勁度不規則結構之算例探討-挑高結構級退縮結構 64
5-4-2-1 層間變位角檢核 64
5-5 高層結構算例 65
5-5-1 結構概述及初步設計 65
5-5-2 層間變位角檢核 67
5-6 有關COD之討論 68
5-7 依文獻【49】進行功能設計檢核法之算例研究 69
5-7-1 依文獻【49】進行功能設計檢核法 70
5-7-2 討論 74
第六章結論與建議
6-1 結論 75
6-2 建議 77
參考文獻 79
表 83
圖 103

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