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Concrete and the fracture of concrete
The boundary element method
5 other sections not shown
analysis of cracks anchor bolt applied bilinear line BL boundary condition boundary element mesh boundary element method boundary integral equation calculated Cauchy principal value Chapter cohesive forces computed Concrete grade concrete structures contact problems crack band crack extension crack growth crack length increment crack path crack propagation crack surfaces DBEM deflection deformed shape different beam depths discretization displacement boundary integral dual boundary element embedment depths equilibrium example experimental results failure FEM analysis fictitious crack model Figure finite element fracture energy fracture mechanics fracture zone improper integrals iteration LEFM linear elastic linear straight line load-deflection curve material properties matrix maximum tensile nodes nonlinear notched numerical parameter peak load Petersson principal value integral pull-out test quadratic reinforced concrete relationship shear displacement shear stress shown in Fig simulation singular smeared crack source point steel straight line SL strain stress-strain curve tensile strength tensile stress traction boundary integral unknown Young's modulus