Fracture Processes of ConcreteDespite tremendous advances made in fracture mechanics of concrete in recent years, very little information has been available on the nature of fracture processes and on reliable test methods for determining parameters for the different models. Moreover, most texts on this topic discuss numerical modeling but fail to consider experimentation. This book fills these gaps and synthesizes progress in the field in a simple, straightforward manner geared to practical applications. |
Contents
SETTING THE STAGE | 5 |
STRUCTURE OF CEMENT AND CONCRETE | 17 |
MECHANICAL BEHAVIOUR OF CONCRETE | 55 |
shear | 120 |
EXPERIMENTAL TOOLS | 157 |
MODELLING AS A TOOL FOR TEST INTERPRETATION | 253 |
VALIDATION OF MODEL PARAMETERS | 315 |
NUMERICAL SIMULATION OF PLAIN CONCRETE | 337 |
FRACTURE MECHANICS FOR STRUCTURAL ANALYSIS | 367 |
Principal stresses and invariants | 389 |
| 397 | |
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Common terms and phrases
aggregate particles analysis applied axial Bažant beam behaviour of concrete biaxial bond boundary conditions brittle Chapter composite compressive strength computed Concrete and Rock crack band crack growth crack opening crack patterns criterion cylinder deformation develop deviatoric displacement effect elastic Equation example experimental experiments extensometers failure contour fibres Fictitious Crack Model four-point-shear fracture energy fracture law fracture mechanics fracture of concrete fracture process hardened cement paste high strength concrete hydration increase interface interfacial transition zone kind permission lattice model LEFM linear linear elastic loading platen London/New York LVDT material structure measured meso-level microcracks Mier mode mortar multiaxial normal notch observed parameters peak Poisson's ratio porosity portland cement post-peak process zone RILEM rotating Section shown in Figure silica fume simulations softening diagram specimen steel platens stiffness strain strain gauges stress-strain curves surface techniques tensile strength tensile stress tension triaxial uniaxial compression uniaxial tensile test Young's modulus
Popular passages
Page 415 - The Theoretical Basis of a Method to Determine the Fracture Energy GF of Concrete.