- Volume 12 Issue 3
When a crack is produced in a concrete structure, a micro crack zone of fracture process zone (FPZ) appears at the crack tip. To investigate the behaviour of this the micro crack zone, nonlinear fracture mechanics (NLFM) must be applied. However, when a massive concrete structure such as a concrete gravity dam is considered, the micro crack zone can be neglected and the structure can be assumed to have linear elastic fracture mechanics (LEFM) behaviour. This study is divided into two main topics : (1) Calculating stress intensity factor (SIF) at the crack tip by surface integral method and (2) Investigating the propagation of the initial crack. If the initial crack propagates, the angle of the propagation is calculated by using maximum circumferential tensile strength theory. This study, also, contains the effects of body forces and water pressures on the crack face.
- Journal of Structural Engineering v.120 no.4 Application of NLFM Models to Predict Cracking in Concrete Gravity Dams Bhattacharjee S. S.;Leger P.
- Journal of Engineering Mechanics v.123 no.8 LEFM Application to Concrete Gravity Dams Plizzari G. A.
- 한국콘크리트학회논문집 v.7 no.3 균영면의 압력을 고려한 응력확대계수 결정에 관한 연구 진치섭;최현태;이홍주
- 대한 토목학회 학술발표회 논문집 최대 원주방향 인장응력기준에 의한 콘크리트 혼합모드에서의 균열전파 전치섭;이영호;최희진
- International Journal of Fracture v.10 Strain Energy Factors Applied to Mixed Mode Crack Problems Sih. G. C.
- Engineering Fracture Mechanics v.35 no.1/2/3 Case Studies of Simulation fo Fracture In Concrete Dams Ingraffea A. R.