臺灣博碩士論文加值系統

本研究資料庫試體涵蓋一般強度混凝土與高強度混凝土，主要蒐集具有橫向
梁及樓版之內部與外部梁柱接頭，試驗文獻須具有完整層剪力-層間位移曲線以
及試體設計參數，可供本文重新計算原文獻的設計參數並評估接頭受反復載重試
驗之表現，藉由試驗結果檢核現有ACI 規範接頭設計公式是否具有合適之耐震
性能。根據資庫調查結果，本研究歸納以下結論：(1)柱梁彎矩計算彎矩強度比
值MR，對於無偏心之內部梁柱接頭MR值大於2、無偏心之外部接頭MR值大於
4，接頭不會產生破壞；(2)接頭剪應力比值控制ACI 規範值以下，已經可以排除
接頭破壞發生於梁降伏之前；(3)內部接頭剪應力比在規定值以下，當其橫向梁
圍束接頭側面積達3/4 以上，接頭內箍筋確實可以減半，未發現任何接頭剪力破
壞；(4)外部接頭接頭有效深度若改以錨定長度取代柱深，其接頭應剪力比值將
向上抬升，有助於排除接頭破壞發生於梁降伏之前；(5)外部接頭內錨定長度大
於規範規定長度且接頭剪應力在規範值以下者，均為梁撓曲破壞，未發現接頭剪
力破壞，規範規定之錨定長度是保守的；(6)以內部接頭最小柱深20 倍梁主筋直
徑評估現有資料庫，未發現梁主筋握裹損壞現象，但對於高強度梁主筋在接頭內
之伸展長度仍有待後續研究確認。

This study construct a database of beam-column connections made with normal- and
high-strength reinforced concrete. Test data of beam-column connections with
transverse beams and slabs are collected. We selected the data with complete story
shear versus drift curves and specimen detailing which can be back calculated the
connection parameters and evaluated the seismic performance. Based on the database
investigation, we conclude: (1) Where the column-to-beam moment strength ratio
exceed 2 for interior joints and 4 for exterior joints, the joints would not failed in shear; (2) The shear stress limitation given in ACI code can prevent joint shear failure before beam yielding; (3) The amount of joint transverse reinforcement can be reduced by half in an interior joint confined all four faces, where the joint perform quite well if the shear stress is below the code-specified value; (4) The use of anchorage length in place of column depth for the calculation of joint effective depth could make the data have a higher joint shear stress ratio and a more conservative distribution to exclude joint shear failure before beam yielding; (5) The exterior joint data met the code requirements of anchorage length in the joint and joint shear stress performed well in beam flexure failure mode. The code-specified development length for hooked or headed bars in the joint are conservative. The code requirement of minimum column depth of 20 times bar diameter along the column depth seems to be
acceptable for available data. The development length for high-strength reinforcement in the joint should be further studied.

中文摘要
ABSTRACT
誌謝
目錄
表目錄
圖目錄
符號說明
第一章 緒論
1.1 研究背景
1.2 研究動機與目的
第二章 具有橫向梁及版之梁柱接頭資料庫建置
2.1 資料庫建置
2.2 文獻整理
第三章 資料庫試體參數分析
3.1 資料庫介紹與降伏層間相對側位移角
3.2 梁最大拉力鋼筋比
3.3 T 型梁有效寬度
3.4 影響梁柱接頭行為設計參數
3.4.1 柱梁計算彎矩強度比
3.4.2 接頭剪力計算強度
3.4.3 圍束箍筋量
3.4.4 伸展長度
3.5 接頭剪應力
3.5.1 接頭剪應力與韌度之分析
3.5.2 接頭剪應力與柱梁計算彎矩強度比之分析
3.5.3 接頭剪應力與圍束箍筋比之分析
3.5.4 接頭剪應力與伸展長度及錨定長度之分析
3.5.5 接頭剪應力與柱軸力之分析
3.6 握裹指標及拉桿指標
3.6.1 內部接頭試體之握裹指標與拉桿指標之探討
3.6.2 外部接頭試體之握裹指標與拉桿指標之探討
3.7 接頭抗剪容量衰減模式
3.8 破壞模式比對
第四章 結論與建議
4.1 結論
4.2 後續研究
參考文獻
附錄

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