中高型RC剪力牆之等值柱參數建立與分析

The Analysis of Mid-rise and High-rise Shear Walls Infilled in RC Frames

林家民(Chia-Min Lin)

指導教授 ： 李有豐

國立臺北科技大學/工程學院/土木與防災研究所/碩士(2008年)

https://doi.org/10.6841/NTUT.2008.00043

摘要

本論文先對中高型剪力牆進行線彈性平面應力分析，由結果得到各種不同情況下牆體內各點之最大拉應力方向與最大剪應力方向，並針對分析結果提出一能有效控制牆體裂縫的韌性配筋方法。本論文將中高型牆體用等值柱加以模擬。由國內外16座試驗中取其中12座中高型含牆構架實驗所得參數之數值迴歸後，歸納出中高型RC剪力牆等值柱模型的塑角參數設定參數，而後利用此參數建立法在SAP2000中分析所選用的12座含牆構架以確定數值迴歸之準確性，且各試體之極限側力的誤差約在10%左右。最後實際運用此分析法，利用另外4座中高型含牆構架之設計尺寸直接建立模型其中牆體以等值柱模型取代並於SAP2000進行非線性靜力推覆分析，並將分析結果與實驗結果進行比較，以驗證利用本等值柱參數設定法能有效分析出含牆構架在進入非線性後之塑性行為，且此一分析法能供日後工程師更快速的分析含牆構架。

關鍵字

塑鉸參數設定法 ； 等值柱 ； 非線性靜力推覆分析

並列摘要

In this thesis, linear finite element analyses were performed on the reinforced concrete shear walls. The plane stress analysis to determine the direction of the maximum principal stress and shear stress at any point along the vertical cantilever shear walls is proposed. After comparing results of the analyses with experimental results, a new type of ductile reinforcement detail was developed. In order to analyse shear walls infilled in RC frames by using SAP2000 program, an effective analysis model which named “equivalent column”, proposed by Li et al. (2007), was used in this thesis. The parameters of the equivalent column were oatained by performing linear regression on twelve experiment specimens. These parameters were used in SAP2000 simulations for the seven and five specimens to validate the accuracy of the regression of mid-rise and high-rise RC shear walls, respectively. The results show that the errors of ultimate lateral force were about 10%. The equivalent column with these parameters were then used in nonlinear pushover analyses for the other four shear walls infilled in RC frames in SAP2000 program. The experimental results of all the sixteen specimens were used to validate the effectiverness of the proposed parameters of the model.

並列關鍵字

Shear walls infilled in RC frames ； Equivalent column ； Nonlinear static pushover analysis

參考文獻

[39] 陳振瑋(2005)，以等值柱模型分析含牆RC構架，碩士論文，國立台北科技大學土木與防災研究所，台北。

[1] Anil, Ö. and Altin, S. (2007). “An Experimental Study on Reinforced Concrete Partially Infilled Frames,” Engineering Structures, Vol. 29, No. 3, pp. 449-460.

[2] FEMA273 (1997). NEHRP Guidelines for the Seismic Rehabilitation of Building, Federal Emergency Management Agency, Washington.

[3] Ghobarah, A. and Youssef, M. (1999). “Modelling of Reinforced Concrete Structural Walls,” Engineering Structures, Vol. 21, No. 10, pp. 912-923.

[4] Hsu, Thomas T. C. (1998). “Unified Approach to Shear Analysis and Design,” Cement and Concrete Composites, Vol. 20, No. 6, pp. 419-435.