Search for dissertations about: "stress-strain behavior"
Showing result 11 - 15 of 29 swedish dissertations containing the words stress-strain behavior.
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11. Composite Columns of Hollow Steel Sections Filled with High Strength Concrete
Abstract : In the design of buildings today, great effort is made to increase the structural flexibility. This has resulted in a demand for columns with reduced cross sections. To achieve a high load bearing capacity with a small cross sectional area, it is worthwhile to study the possibility of utilizing high strength concrete and composite effects. READ MORE
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12. On fiber network fracture mechanics and kink band formation in biocomposites
Abstract : This thesis summarizes seven appended papers dealing with: (1) The fracture of fibrous materials, e.g. READ MORE
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13. Nonlinear Creep Model of Paper and Corrugated Board Materials
Abstract : Models of the nonlinear creep behavior of paper, and of the global buckling , local buckling and creep buckling of corrugated board have been developed. The studies of creep and buckling were limited to climate conditions with constant relative humidity. First the short-term elastic buckling of corrugated board panels was studied. READ MORE
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14. Plasticity and Damage Mechanics for Modeling Concrete Failure
Abstract : Concrete structures exhibit strongly non-linear and complex mechanical behavior. Hence, they are nowadays often analyzed by means of the finite element method, whereby a realistic description of the material behavior is decisive for the validity of the results. READ MORE
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15. Determination of Weibull Parameters by Single Fibre Fragmentation for use in Modelling of Paper Tensile Properties
Abstract : The thesis presents a method for characterization of pulp fibre tensile strength. Single Fibre Fragmentation (SFF) and Weibull statistics were used. Methods for specimen preparation, sampling and analysis of fragmentation data from digital images were developed. READ MORE