The trends and practical look of advanced steel frame structures

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Abstract

The aim of the work is to present the trend of the advancement of steel design code and practical approach of steel frame design from the current AISC-LFDR to the advanced analysis. As the trend of steel frame analysis method is from first-order elastic analysis to second-order inelastic analysis which is an advanced analysis. Methods. In this paper the comparison between the load - displacement curves of several structural analysis methods is presented. Case studies are considered to analyze by different methods and comparison of practical advanced analysis method with PROKON software. The case studies includes a two-story one bay steel frame and four bays of twelve-stories steel frame. The results of first-order elastic, elastic buckling, second-order and nonlinear analyses of an unbraced frame are compared and their difference is presents. The proposed software for advanced methods demonstrates the accuracy and the computational efficiency in predicting the nonlinear analysis response of steel frame structures.

About the authors

Nikolay I. Vatin

Peter the Great Saint Petersburg Polytechnic University

Email: tesfaldethg@gmail.com
D.Sc. (Eng.), Professor, Higher School of Industrial Civil and Road Construction 29 Politechnicheskaya St, Saint Petersburg, 195251, Russian Federation

Tesfaldet Hadgembes Gebre

Peoples' Friendship University of Russia (RUDN University)

Email: tesfaldethg@gmail.com
PhD Student, Department of Civil Engineering, Engineering Academy 6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation

Shishay Berhane Gebreslassie

Peoples' Friendship University of Russia (RUDN University)

Email: tesfaldethg@gmail.com
master student, Department of Civil Engineering, Engineering Academy 6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation

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