The optimum structural system for reinforced concrete cantilever frames
Oral Presentation
Paper ID : 1184-ICASGE (R1)
Authors
Assistant Professor, Construction Engineering and Management Department, Faculty of Engineering, Pharos University, Alexandria, Egypt.
Abstract
One of the key objectives of contemporary sustainable development is to reduce environmental pollution and minimize material usage in construction. Numerous researchers are exploring innovative techniques and concepts in the design of concrete structures by employing optimal structural systems. This study aims to investigate the impact of various structural systems on reinforced concrete cantilever frames subjected to gravity loads. Different structural systems have been employed, including cantilever frames with inclined girders of varying slopes, cantilever frames provided with either struts or ties and differing slopes, as well as broken girders with varying slopes, similar to those employed for the struts. To this end, thirty-two (32) reinforced concrete cantilever frames with spans of 3 and 6 meters were analyzed through 2D finite element simulations using SAP2000. The structural analysis results, including deflection, maximum bending moment, and normal force, are emphasized in the assessment. The results indicated that choosing the most suitable structural system according to the identified straining actions is more economical than conventional methods. Furthermore, these innovative systems contribute to a decrease in material consumption, potentially reducing it by as much as 10% depending on the length of the cantilever beam, in comparison to traditional structural systems
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