## Concrete fracture--a linear elastic fracture mechanics approach |

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### Contents

LITERATURE SURVEY | 9 |

EXPERIMENTAL INVESTIGATION | 24 |

NUMERICAL INVESTIGATION | 83 |

2 other sections not shown

### Common terms and phrases

aggregate particles apparent fracture toughness ASTM Standard E399 Average crack length beam number beam specimens beams tested compliance and load compliance calibration compliance versus crack compressive strength computed concrete series concrete specimens crack front Crack Length Compliance Crack Lengths Side crack opening crack propagation crack tip process curve descending portions determined energy required FEFAP finite element analyses finite element method fracture mechanics fracture toughness testing fracture toughness values increasing crack length interface length Interface normal stress Kg values kips kN ksiVTn LEFM Linear Elastic load measurements load versus CMOD LSI element LVDT material property maximum aggregate Measured crack lengths measurements for beam mesh models A3 modulus of elasticity mortar and concrete MPaYm natural cracks notch sensitive Poisson's ratio short rod specimens shown in Figure Side 2 Average stiffness stress intensity factor tensile strength tensile stress models theoretical compliance tip process zone traction-free versus crack length water-cement ratio