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FAST-CL53Acad. year: 2024/2025
Static analysis of concrete structures and their parts. Plasticity method, lower-bound theorem, upper-bound theorem. Truss analogy for the analysis of concrete structures, material properties. Truss analogy application for reinforcement design of some structures and details. Analysis of beams loaded in shear, variable angle truss model, modern theories of interaction of internal forces acting on concrete section. Compression field theory, modified compression field theory. Physical principles of creep, shrinkage and ageing of concrete drying up of concrete, solution of state of stress from temperature load. Principles of linearity (stress, temperature), and superposition, stress history. Creep models – assumptions, mathematical functions, properties. Ageing of concrete. Integral and differential equations, affinity of creep, stress history. Non-homogeneity of structures. Force method for creep analysis. Structural analysis of step-by-step constructed structures. The influence of prestressing, step-by-step construction, and rheological effects on structures. Some simplified and numerical methods for creep analysis and their combination by FEM.Design of concrete structures exposed to fire. The behaviour of materials during effects of fire. Design approaches. Simplified and updated computational methods for structures exposed to the fire.
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