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標題: | 鋼筋混凝土剪力牆連接梁之剪力強度預測行為研究 Analytical Study of Shear Strength Behavior of Reinforced Concrete Coupling Beams |
作者: | Yi-Ching Lin 林宜靜 |
指導教授: | 黃世建 |
關鍵字: | 鋼筋混凝土剪力連接梁,破壞模式,剪力強度,位移,壓拉桿模型, reinforced concrete coupling beams,failure mode,shear strength,deformation capacity,strut and tie model, |
出版年 : | 2012 |
學位: | 碩士 |
摘要: | 台灣位處於環太平洋地震帶上,鋼筋混凝土建築物耐震能力為不可缺少之考量,其中又以剪力牆系統被廣泛使用於耐震設計中。由於建築使用需求,常對剪力牆開孔,而造成剪力牆抵抗側力之能力下降,但若於剪力牆系統中配置鋼筋混凝土剪力連接梁便能補足整體剪力牆系統之韌性行為。然而,現今並未能完全了解剪力連接梁之行為及其鋼筋配置細節原理。因此本研究旨在探討剪力連接梁之剪力強度及其變形之關係。
本研究先蒐集國內外鋼筋混凝土剪力連接梁試體之測試數據,採用ACI 318-11規範及壓拉桿模型之剪力預測強度與試體之撓曲預測強度,並將剪力衰減列入考量,而利用剪力強度衰減模型預測破壞模式、剪力強度與試體位移等諸多參數。 Reinforced concrete buildings in seismic zones have been limited to low-rise or medium-rise buildings worldwide because of a lack of structural safety against earthquake. A high-rise reinforced concrete building can be built with the aids of the structural walls which provide lateral resistance efficiently. Architectural considerations usually result in window and door openings in structural walls, which divided a single wall into more slender walls connected by short beams, referred to as coupling beams. However, the behavior of coupling beams is still uncertain. Therefor the research focuses on the relationship between shear strength and deformation of coupling beams. This research collected available test data first and used the ACI 318-11 code and the Strut-and-Tie model to predict shear strength. Shear degradation was also taken into consideration. The failure model、shear strength and deformation capacity of coupling beams can be predicted using proposed shear degradation model. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/65130 |
全文授權: | 有償授權 |
顯示於系所單位: | 土木工程學系 |
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