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THERMAL STRESSES IN LAMINATED BEAMS
Journal of Thermal Stresses, 1982Abstract This paper considers laminated beams consisting of layers of different materials fastened together by thin adhesives. The stresses that result from subjecting the beam to temperature stimuli are calculated. The problem is treated by two-dimensional elasticity theory in conjunction with the variational theorem of complementary energy. A pair of
Du Chen, Shun Cheng, T. D. Gerhardt
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2021
A laminated beam (Fig. 17.1, bottom right, as well as Fig. 1.7) is a structural element consisting of an arbitrary number N of individual layers, where each individual layer can have an arbitrary thickness and arbitrary elastic properties. In this section, we will turn to the question of how the constitutive law for a laminated beam can be derived for ...
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A laminated beam (Fig. 17.1, bottom right, as well as Fig. 1.7) is a structural element consisting of an arbitrary number N of individual layers, where each individual layer can have an arbitrary thickness and arbitrary elastic properties. In this section, we will turn to the question of how the constitutive law for a laminated beam can be derived for ...
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Analysis of Laminated Curved Beams
Journal of the Engineering Mechanics Division, 1970Equations for stresses in a laminated orthotropic curved beam based on the technical theory assumption (Winkler) are presented. The formulation of the same problem by orthotropic elasticity is indicated. In order to assess the applicability of the technical theory over a range of material properties and geometries, the specific case of a three-layer ...
Antone F. Sayegh, Stanley B. Dong
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Thermal stresses in laminated beams
International Journal of Solids and Structures, 1984A displacement variation which incorporates the effects of transverse shear and normal strain is used to formulate the equations of equilibrium for a laminated beam subjected to external loads and temperature fields.
Ochoa, O. O., Marcano, V. M.
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Journal of the Structural Division, 1980
Using the principle of potential energy, two fourth order differential equations are developed to describe the flexure of a rectangular three layered laminated beam using the calculus of variations. Natural boundary conditions are given. There is no limitation imposed on thickness of core and face.
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Using the principle of potential energy, two fourth order differential equations are developed to describe the flexure of a rectangular three layered laminated beam using the calculus of variations. Natural boundary conditions are given. There is no limitation imposed on thickness of core and face.
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Imperfectly Bonded Unsymmetric Laminated Beam
Journal of the Engineering Mechanics Division, 1980The elasticity solution of a simply supported imperfectly bonded laminated beam is presented. The results show that an imperfectly bonded three-layered beam deflects and is stressed less than a perfectly bonded beam when its middle layer is flexible and its bottom layer is thicker than its top layer.
K.M. Rao, B.G. Ghosh
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Journal of Fluids Engineering, 1949
Abstract This paper sets forth the simple theory of two-species wooden beams incorporating high-strength heavy outer laminations or “flanges,” together with low-strength lighter cores into glued laminated members having high strength and high stiffness. Expressions for transformed section, ratio of core depth to over-all depth, and shear
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Abstract This paper sets forth the simple theory of two-species wooden beams incorporating high-strength heavy outer laminations or “flanges,” together with low-strength lighter cores into glued laminated members having high strength and high stiffness. Expressions for transformed section, ratio of core depth to over-all depth, and shear
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Optimal design of pitched laminated wood beams
Journal of Optimization Theory and Applications, 1978The optimal design of a pitched laminated wood beam is considered. An engineering formulation is given in which the volume of the beam is minimized. The problem is then reformulated and solved as a generalized geometric (signomial) program. Sample designs are presented.
Avriel, M., Barrett, J. D.
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Ductile Design of Glued-Laminated Timber Beams
Practice Periodical on Structural Design and Construction, 2009Ductility is a fundamental component in the design of robust structures. For timber structures, the unfavorable material characteristics pose particular problems to its realization. Two approaches for improving the post-elastic behavior of glued-laminated timber beams have been investigated by testing and numerical analysis.
Tomasi, Roberto +2 more
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Composite Laminated Plane Beams
2013Strength performance and weight advantages of composite materials versus traditional concrete and steel have led to their sustained and increased applications in aircraft and aerospace vehicles, automotive, naval and civil structures. The design of efficient and reliable composite structures however requires improved computational methods that ...
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