Three-dimensional analysis of reinforced concrete frames based on lumped damage mechanics |
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| Institution: | 1. Department of Structural Engineering, University of Los Andes, Mérida 5101, Venezuela;2. Department of Structural Engineering, Lisandro Alvarado University, Barquisimeto 3002, Venezuela;1. PTL|Structural Consultants, PO Box 8415, Christchurch, New Zealand;2. University of Canterbury, Private Bag 4800, Christchurch, New Zealand;3. Ruamoko Solutions, 213 Blenheim Road, Christchurch, New Zealand;1. Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, People’s Republic of China;2. College of Science, China Agricultural University, Beijing 100193, People’s Republic of China;1. Department of Engineering and Architecture, University of Trieste, Piazzale Europa n.1, 34127 Trieste (TS), Italy;2. Department of Architecture, Design and Urban Planning, University of Sassari, Piazza Duomo n.6, 07041 Alghero (SS), Italy;3. Department of Civil, Construction-Architectural & Environmental Engineering, University of L’Aquila, Via Giovanni Gronchi 18-Zona industriale di Pile, 67100 L׳Aquila (AQ), Italy;1. Structural Engineering Research Group, INSA de Rennes, France;2. University of Transport Technology, Viet Nam;1. Department of Mathematics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, People’s Republic of China;2. Department of Basic Courses, Huaian Vocational College of Information Technology, Huaian 223003, People’s Republic of China |
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| Abstract: | This paper presents a general formulation for the analysis of reinforced concrete frames. The model has been developed within the framework of lumped damage mechanics. This is a theory based on the methods of continuum damage mechanics, fracture mechanics and the concept of plastic hinge. The paper also describes the numerical implementation of the model in the finite element programs. The model is evaluated by the numerical simulation of three tests reported in the literature. Two of them deal with a column subjected to variable axial loads and biaxial flexure. The third is a two-story three-dimensional frame subjected to earthquake loadings outside the principal directions of the frame. |
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