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Limit analysis of arches |
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| Affiliation: | 1. Department of Petroleum and Geosciences, Norwegian University of Science and Technology (NTNU), Trondheim, Norway;2. Facultad de Ingeniería en Ciencias de la Tierra, Escuela Superior Politécnica del Litoral, Guayaquil, Ecuador;3. Université de Lille, CNRS, Université du Littoral Côte d''Opale, UMR 8187, Laboratoire d’Océanologie et de Géosciences (LOG), Lille, France;4. Exploration Department, EP Petroecuador, Quito, Ecuador;1. Bruker Daltonics Inc., Billerica, MA, United States;2. Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA, United States |
| Abstract: | In the limit analysis of frames it is usually assumed that the limiting bending moment of a cross section is not significantly reduced by the presence of axial forces. In the limit analysis of flat arches this assumption is not permissible as a rule. In the present paper the basic concepts of limit analysis are extended to members in which axial forces as well as bending moments must be taken into account. Methods of determining the critical load intensity of arches are developed and illustrated by numerical examples. |
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