Optimum RC Member Design With Discrete Sections

by Chang-Koon Choi, Korea Advanced Inst of Science &, Technology, Republic of Korea,
Hyo-Gyoung Kwak, Korea Advanced Inst of Science &, Technology, Republic of Korea,

Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing


This paper concentrates on the development of simplified yet effective algorithm for optimum reinforced concrete (RC) member design. After constructing the data base of predetermined reinforced concrete sections which are arranged in the increasing order of resistant capacity, the relationship between the section identification numbers and resistant capacities of sections is established by regression and used to obtain the initial solution (section) which satisfies the imposed design constraints. Assuming that there exists the optimum discrete section near the initially selected one, the direct search is conducted to find the discrete optimum solution. The first stage optimization of the entire structure is accomplished through the individual member optimization.

Subject Headings: Reinforced concrete | Structural design | Concrete beams | Regression analysis | Concrete structures | Concrete columns | Algorithms

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