Nonlinear responses of various-sized reinforced concrete beams under uniformly distributed loading incorporating failure mechanism of circular beam
Year: 2025
Type: article
Abstract: The nonlinear static analysis (NSA) of the circular beam by using flexural plastic hinges (i.e., placed at both supports and middle) under the uniformly distributed loading (UDL) is an innovative technique in this research. So, various-sized beams (i.e., circular, square, and rectangular) are used to evaluate the deflection under the UDL. The NSA in addition to the linear static analysis (LSA) is performed for two different approaches, such as (a) only reinforced concrete (RC) beams (i.e., no frame), and (b) integrated RC beams in various RC frames (i.e., 1, 3, and 5-storied). The numerical analysis is verified with the previous experimental study to obtain the difference in results between both studies of 2.4 %. The deflection rates of equivalent circular and rectangular beams are comparatively lower than the square beam. This happens due to the closer variations of depths compared to the square beam. The RC circular beam failed at the UDL of 126 kN/m, which is found in the failure mechanism. However, there is a scope to enhance this research in the future to conduct the experimental test.
Source: Results in Engineering
Authors: Md. Foisal Haque, Mustafizur Rahman
Language: English
Subfield: Building and Construction
Field: Engineering
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $1,940
OpenAlex ID: W4413258762