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標題: 鋼筋混凝土雙向柱之分析設計法演進之研究
Historical study on analyses and designs of biaxially loaded RC columns
作者: 伊爾
Wendyam, ILBOUDO
關鍵字: 準牛頓法;Biaxial bending column;類神經網路法;雙向柱;quasi Newton;Neural network
出版社: 土木工程學系所
引用: References [1]. ACI Committee 318, Building Code requirements for Structural Concrete (ACI 318-11) and commentary [2]. Cheng-Tzu Thomas Hsu. “Reinforced Concrete Members Subject to Combined Biaxial Bending and Tension,” ACI structural journal, 83, January-February 1986, 137-144. [3]. Cheng-Tzu Thomas Hsu. “Analysis and Design of Square and Rectangular Columns by Equation of Failure Surface ” ACI structural journal, March-april, PP.167-179, 1988. [4]. Richard W.Furlong. “Ultimate Strength of Square Columns under Biaxially Eccentric loads,” ACI Journal, Proceedings, 57, March 1961, 1129-1140 [5]. Boris Bresler. “Design Criteria for Reinforced columns under Axial load and biaxial Bending,” ACI journal, proceedings, 57, November 1960, 481-490. Disc., 1621-1638. [6]. F.N. Pannel. “Failure surfaces for Members in Compression and Biaxial Bending” ACI journal, proceedings, 60, January 1963, 129-140. [7]. Parme, A.L., Nieves J., and Gouwens, A., “Capacity of reinforced Rectangular Columns Subjected to Biaxial Bending.”, ACI Journal, Vol. 63, No.9, pp. 911-923(1966) [8]. Ross, David A., and Yen, Jia-Yia Richard, “Interactive Design of Reinforced Concrete Columns with Biaxial Bending.”, ACI Journal, Vol. 83, No. 6, 1986 pp. 988-993 [9]. J. Y. Richard Yen, “Quasi-Newton Method for Reinforced-Concrete Column Analysis and Design,” ASCE Journal of Structural Engineering, Vol. 117, No. 3, March 1991, pp. 657-666 [10]. ETABS Concrete Design Manual version 6.0 [11]. Vanluchene, R. D. and Sun, R.(1990), Neural networks in structural engineering, Microcomputer in Civil Engineering, 5, pp. 207-215. [12]. Tsong -Shong Tsai, Verification on the longitudinal reinforcement of biaxially loaded RC columns designed, Master thesis; National Chung Hsing University ,Taiwan ROC(2004)
研究中所介紹的方法,包括;(1). Bresler’s 近似法(2). Etabs 設計法(3). 準牛頓法(4). 類神經網路法。並將原本為人工計算之Bresler’s近似法,改為計算機程式化來執行。
分析結果顯示,使用準牛頓法以及類神經網路法所得到之結果最為理想,因此建議在工程上分析及設計鋼筋混凝土雙向柱時,應參考此兩種方法來進行模擬及分析。此外,雖然使用Etabs設計法及Bresler’s 近似法所得之結果,比準牛頓法所得較為保守。受到軸力較大彎矩較小的狀況下,使用Etabs 設計法準確性較差;但resler’s 近似法所得之結果,則恰恰相反。使用時必須注意。

The analysis and design of reinforced concrete columns under biaxial bending are difficult. Over the years various design and checking methods have been developed. This thesis presents a historical study on different methods for strength estimation of such structural elements according to ACI design code. A comparison of design results according to ACI318-11 via different methods is also made.
Four design methodsstudied includes: (1). Bresler’s Approximation method, (2). Etabs method, (3). Direct iterative method, and (4). Neural network method. The first method is the only one which is applied manually. The author also proposed a handy procedure to make it work in computer environment.
This study revealed that the quasi Newton design and the neural network design methods present closest results. If available, these two methods should be used in engineering practices.
The Etabs design and reciprocal load design method are conservative andunconservative respectively compared to the quasi-Newton method. Moreover for columns with a large nominal axial strength and small bending moment Etabs design method is less accurate. On the other hand the reciprocal load design has good results for that kind of columns and less for columns subject to a low nominal axial strength. The author recommends the use of Etabs design method for columns with low to intermediate axial force and reciprocal load method for columns having a large axial force.
其他識別: U0005-1106201320474200
Appears in Collections:土木工程學系所

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