Deflections and rotations in rectangular beams with straight haunches under uniformly distributed load considering the shear deformations

José Daniel Barquero-Cabrero; Arnulfo Luévanos-Rojas; Sandra López-Chavarría; Manuel Medina-Elizondo; Francisco Velázquez-Santillán; Ricardo Sandoval-Rivas

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자료유형: 학술저널

저자정보: José Daniel Barquero-Cabrero (Autonomous University of Coahuila) Arnulfo Luévanos-Rojas (Autonomous University of Coahuila) Sandra López-Chavarría (Autonomous University of Coahuila) Manuel Medina-Elizondo (Autonomous University of Coahuila) Francisco Velázquez-Santillán (Autonomous University of Coahuila) Ricardo Sandoval-Rivas (Autonomous University of Coahuila)

저널정보: 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.22 No.6

발행연도: 2018.1

수록면: 689 - 697 (9page)

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This paper presents a model of the elastic curve for rectangular beams with straight haunches under uniformly distributed load and moments in the ends considering the bending and shear deformations (Timoshenko Theory) to obtain the deflections and rotations on the beam, which is the main part of this research. The traditional model of the elastic curve for rectangular beams under uniformly distributed load considers only the bending deformations (Euler-Bernoulli Theory). Also, a comparison is made between the proposed and traditional model of simply supported beams with respect to the rotations in two supports and the maximum deflection of the beam. Also, another comparison is made for beams fixed at both ends with respect to the moments and reactions in the support A, and the maximum deflection of the beam. Results show that the proposed model is greater for simply supported beams in the maximum deflection and the traditional model is greater for beams fixed at both ends in the maximum deflection. Then, the proposed model is more appropriate and safe with respect the traditional model for structural analysis, because the shear forces and bending moments are present in any type of structure and the bending and shear deformations appear.

참고문헌 (34)

참고문헌 신청

Şeref Doğuşcan Akbaş / 2015 / Large deflection analysis of edge cracked simple supported beams / Structural Engineering and Mechanics, An Int＇l Journal 54(3):433~451

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