Structural Behaviors of Reinforced Concrete Dome with Shell System under Various Loading Conditions ijtsrd
There are many different systems constructing dome structure. Among them, the shell system is the most popular in reinforcement concrete structure in these days. Therefore, it is necessary to know the structural behaviours of it. The objectives of this journal is to study the structural behaviours of the reinforced concrete dome structure with shell system under gravity loading and lateral loading in cyclone wind categories and various seismic zones. Seismic loads are considered from zone 1 to zone 4 based on UBC 1997 .Wind loads are considered from I to V category as cyclone categories. Structural elements of RC dome structure are designed according to Building Code of American Concrete Institute ACI 318 99 . With these member forces obtained from the SAP 2000 analysis, the design for all structural members will be performed according to ACI 318 99. The members of dome structure are designed as an intermediate moment resisting frame. The design of the shell beams is verified by using hand calculations with the output forces under the gravity loading and lateral loading obtained from the SAP2000 analysis. Equivalent static analysis procedure is used in this study. Based on the comparison of analysis results, it can be observed where the maximum deflection occurs along the meridian direction under seismic and wind loading conditions. Then, the axial force of dome structure is significant than any other forces in shell system. From the study of analysis results of both systems, it has been noticed that the bottom ring in shell system is essential to control the forces from the shell area.
by Khine Zar Aung | Khin Aye Mon | Khin Thanda Htun “Structural Behaviors of Reinforced Concrete Dome with Shell System under Various Loading Conditions”
Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019,
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