Online reinforced concrete element design webpage based on active server pages

Chiew, Fei Ha (2008) Online reinforced concrete element design webpage based on active server pages. Masters thesis, Universiti Malaysia Sarawak (UNIMAS).

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Abstract

Active Server Pages (ASP) is a server-side scripting technology that can be used to create dynamic and interactive web applications, An ASP page is a Hyper-Text Markup Language (HTML) page that contains server-side scripts that are processed by the web server before it is being sent to a client's browser. This server-client relationship is seen to be practical for reinforced concrete design. ~ The aim of this study is to develop a comprehensive and user friendly website for reinforced concrete design, leading to the objective of the study, which is to use ASP with Visual Basic Script (VBScript) to construct a web-based system that can carry out limit state design of reinforced concrete elements. The scope of this study is to develop the input components, processing components as well as the output components of the web-based system, which can carry out design for reinforced concrete beams, slabs and columns. In this research, a website which allows the client to carry out a rectangular beam, slab or column design online is created. For beam design, the calculations include design of moment, shear and torsion reinforcements as well as deflection checking. For slab design, the program is written to carry out calculations on design of moment reinforcement, shear checking and deflection checking. For column design, the client can choose whether to do a design of an axially loaded rectangular column or a uniaxial bending column. For axially loaded column design, the program is designed to calculate for vertical reinforcement and links for the column. As for uniaxial bending column, a column interaction diagram is plotted by using Office Web Component (OWC). The chart is saved as Graphic Interchange Format (GIF) file and called to be displayed at the client's browser. The client can determine whether the area of reinforcement provided is adequate by comparing the location of the actual loading point ii with the column interaction curve. For all beam, slab and column designs, the results are displayed on the web page. The program is verified by comparing the results of beam, slab and column design examples with the results of manual calculation. This developed on line reinforced concrete design web page adds convenience to the engineers as the web page can be accessed anytime and anywhere as long as there is an internet connection. The online reinforced concrete design web page enables multiple clients to use the web page simultaneously. As the ASP code is executed on the web server, the client's machine does not need to provide any kind of ASP support. Therefore, engineers can access the web page using laptops, 3G mobile phones and pocket PCs.

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