R-curve behavior in notched beam tests of rocks

Engineering Fracture Mechanics

Volumn 69, Issue 17, 2002, Pages 1845-1852

  Ferreira, L E T ^a   Bittencourt, T N ^a   Sousa, J L A O ^b   Gettu, R ^c  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

^b UNIVERSITY OF CAMPINAS   (Brazil)

^c UNIVERSITAT POLITÈCNICA DE CATALUNYA   (Spain)

Author keywords

Fracture toughness; R curve; Relaxation; Rock fracture; Three point bending tests

Indexed keywords

CRACK PROPAGATION; CYCLIC LOADS; FRACTURE TOUGHNESS; SANDSTONE;

LOAD DROPS;

FRACTURE MECHANICS;

BENDING; FRACTURE MECHANICS; FRACTURE TOUGHNESS; SANDSTONE;

EID: 0036742605     PISSN: 00137944     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0013-7944(02)00064-4     Document Type: Article

References (15)

1. Analysis of crack formation and crack growth in concrete by means of fracture mechanics and finite elements
2. Two parameter fracture model for concrete
3. Determination of fracture energy, process zone length and brittleness number from size effect, with application to rock and concrete
4. An improved effective crack model for the determination of fracture toughness of concrete
5. Identification of nonlinear fracture properties from size effect tests and structural analysis based on geometry-dependent R-curves
6. Identification of nonlinear fracture properties from size effect tests and structural analysis based on geometry-dependent R-curves
7. Experimental analysis of crack propagation in granite
8. 1c from small, non-LEFM specimens, supported by experiments on aluminum
9. 1c measurements using short rod specimens - The elastic plastic case
10. Fracture toughness testing of rock with core based specimens
11. Suggested methods for determining the fracture toughness of rock
12. Load relaxation in level II three-point bending tests
13. Determinaçāo computacional das equaçōes da mecânica do fraturamento elástico linear para o corpo-de-prova de (150 × 150 × da determinação experimental do CMOD sobre os parâmetros de fraturamento