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Further studies on column behavior including singly symmetric sections, unsymmetric sections, nonlinear evaluation, and leaning columns
|關鍵字:||單對稱斷面;singly symmetric sections;單角鋼;非線性評估;倚靠柱;leaning columns;stiffness reduction factor||出版社:||土木工程學系所||引用:||AISC (1973), Load and Resistance Factor Design Specification for Structural Steel Buildings, 7th Edition, AISC, Chicago, Illinois. AISC (1980, 1989), Allowable Stress Design Specification for Structural Steel Buildings, 8th, 9th Editions, AISC, Chicago, Illinois. AISC (1986, 1993, 1999), Load and Resistance Factor Design Specification for Structural Steel Buildings, 1st, 2nd, 3rd Editions, AISC, Chicago, Illinois. AISC (2005), Specification for Structural Steel Buildings, 13th Edition, AISC, Illinois. Chen, W. F. and Lui, E. M. (1991), Stability Design of Steel Frames, CRC Press, Boca Raton, Florida. Dumonteil, P. (1992),“Simple Equations for Effective Length Factors, ” Engineering Journal, AISC, Vol. 29, No.3, pp. 111-115. Galambos, T. V. (1968), Structural Members and Frames, Prentice-Hall. Julian, O. G. and Lawrence, L. S. (1959), Notes on J and L Nomgrams for Determination of Effective Lengths, (unpublished). Kavanagh, T. C. (1962),“Effective Length of Framed Columns,” Transactions ASCE, Vol. 127, No.2, pp. 81-101. Luz, L. A. (1996), “A Closer Examination of the Axial Capacity of Eccentrically Loaded Single Angle Struts,” Engineering Joural, AISC, Vol. 33, No. 2, pp. 73-76. McCormac, J. C. (2007), Structural Steel Design, 4th Edition, Prentice Hall, P.162 - 217, P. 647 - 655. Smith, J. C. (1996), Structural Steel Design, 2nd ed., John Wiley and Sons, pp. 127-135. Sakla, Sherief S. (2001), “Tables for the Design Strength of Eccentrically-Loaded Single Angle Struts,” Engineering Journal, AISC, Vol. 38, No. 3, pp. 127-136. Walker, W. W. (1991), “Tables for Equal Single Angles in compression,” Engineering Joural, AISC, Vol. 28, No. 2, pp. 65-68. Yura, J. A. (1971), “The Effective Length of Columns in Unbraced Frames,” Engineering Journal, AISC, Vol. 8, No. 2, pp. 37-42.||摘要:||
本文比較LRFD (1999)和AISC (2005)的勁度折減係數(SRF)，探討法國規範與美國規範(AISC)之有效長度係數(K)的差異性，以例題詳細示範進行深入探討與解析。
本研究亦探討倚靠柱(leaning column)理論，且以beam-column公式去分析倚靠柱(leaning column)，驗證此理論。以例題詳細探討與分析，期待對業界工程師再使用AISC (2005)規範時有所依循與幫助。
Compression members are structural elements that are subjected to only to axial compressive forces. For a long time, the compression members of steel structures are the focus of discussion. But most of the studies for I- shape section steel, and much less for a single symmetrical cross section. This study intends to use the AISC (2005) formulas to deal with the singly symmetric sections such as the built-up double angles, the WT sections and the single angles. The provided examples are furnished to indicate the analysis and design of the basic concepts of steel columns.
This study explored the non-linear analysis of steel columns, the stiffness reduction factors being used in the LRFD (1999) and the AISC (2005) specifications. This study also explores leaning column theory proposed by Prof. Yura, and used beam-column interaction equations to verify leaning column theory. It will be very beneficial to practicing professions that the provided examples give the detailed procedure to deal with the provisions being used in the current AISC specifications.
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