Abstract
Reinforced concrete column has complicated calculations. Designer usually acts trial and error to get the optimum dimension and reinforcement according to the occurred loads. It takes long process and the result is not always be the most economical section. Nowadays smartphone with its various applications is very popular among societies. Besides being more flexible in place and time, smartphone has ease in operation and is commonly used by people. Hence, those advantages can be used to optimize reinforced concrete column quickly and accurately. The application named “C2 App” (Concrete Column Application) had been created by accommodate regulation in Indonesia (SNI 2847:2013). Biaxial calculation used Bresler’s approach, while calculation of slender column applied Moment Magnification Method. The application is able to show interaction diagram, section drawing, and result tables. Moreover, the application was equipped with local database, and detailed calculations in pdf format to support the real project. Validation was done with computer-based software named CSiCol and ASDIP Concrete, whereas the optimization result was compared with other designs which used ACI Diagrams and Particle Swarm Optimization method. The application was pretty accurate and could provide a more economical section.
Highlights
Column is an important component in framed structure
Almost all researches on Reinforced Concrete (RC) column optimization provide graphs or tables that can be used in the design
Validation had been done by comparing the interaction diagram which was resulted by C2 App with other softwares those were ASDIP Concrete and CSiCol
Summary
Column is an important component in framed structure. Failure of the column may lead the whole building to be collapse. Since column is an important part of framed structure, optimization of the column can reduce the total cost of the building [2]. Other than that public is more familiar with Android-based smartphone compared to computers which has been commonly used by engineers. There was no mobile application which supported it In this paper, it had been developed an Android based application that can be used to optimize RC column. Almost all researches on RC column optimization provide graphs or tables that can be used in the design Those can reduce the calculation time, but it is difficult to get the right conditions according to the existing tables and graphs. By using android-based application, those variable values can be inputted as desired so that its use is more flexible and faster
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