Effect of specimen size on fracture energy and softening curve of concrete: Part II. Inverse analysis and softening curve

Cement and Concrete Research

Volumn 38, Issue 8-9, 2008, Pages 1061-1069

  Kwon, Seung Hee ^a   Zhao, Zhifang ^b   Shah, Surendra P ^c  

^a Myong Ji University   (South Korea)

^b ZHEJIANG UNIVERSITY OF TECHNOLOGY   (China)

^c NORTHWESTERN UNIVERSITY   (United States)

Author keywords

Fracture process zone; Inverse analysis; Size effect; Softening curve

Indexed keywords

CONCRETES; CRACK DETECTION; EXPERIMENTS; FRACTURE; FRACTURE ENERGY; FRACTURE FIXATION; INVERSE PROBLEMS; PAPER; PHOTOACOUSTIC EFFECT; SIZE DETERMINATION; TENSILE STRENGTH;

CRACK OPENINGS; DIFFERENT SIZES; ELSEVIER (CO); FRACTURE PROCESS ZONE (FPZ); INVERSE ANALYSIS; SIZE EFFECTS; SOFTENING CURVE; STRENGTH (IGC: D5/D6); STRESS DROP;

CURVES (ROAD);

ACOUSTICS; CONCRETE; CRACKS; DIMENSIONAL MEASUREMENT; FRACTURE; PAPER; ROADS; SOFTENING; STRESS ANALYSIS; TENSILE STRENGTH;

EID: 45249118431     PISSN: 00088846     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cemconres.2008.03.014     Document Type: Article

References (16)

1. Bazant Z.P., and Oh B.H. Crack band theory for fracture of concrete. Materials and Structures 16 (1983) 155-177
2. Hillerborg A., Modeer M., and Petersson P.E. Analysis of crack formation and crack growth in concrete by means of fracture mechanics and finite elements. Cement and Concrete Research 6 6 (1976) 773-782
3. Cusatis G., Bazant Z.P., and Cedolin L. Confinement-shear lattice model for concrete damage in tension and compression: I. theory. ASCE Journal of Engineering Mechanics 129 12 (2003) 1439-1448
4. Cusatis G., Bazant Z.P., and Cedolin L. Confinement-shear lattice model for concrete damage in tension and compression: II. computation and validation. ASCE Journal of Engineering Mechanics 129 12 (2003) 1449-1458
5. Bazant Z.P., and Pijaudier-Cabot G. Nonlocal continuum damage localization instability and convergence. ASME Journal of Applied Mechanics 55 (1988) 287-293
6. Zhao Z., Kwon S.H., and Shah S.P. Effect of specimens size on fracture energy and softening curve. Cement and Concrete Research (2007) Submitted with the this manuscript
7. V.S. Gopalaratnam and B.S. Ye, Numerical characterization of the nonlinear fracture process in concrete, Engineering Fracture Mechanics, 40(6).
8. Kim J.K., Lee Y., and Yi S.T. Fracture characteristics of concrete at early ages. Cement and Concrete Research 34 (2004) 507-519
9. Brown K.M. Derivative-free analogues of the levenberg. Marquardt and Gauss Algorithms for Non-linear Least Square Approximations. IBM, Philadelphia Scientific Center Technical Report, No. 320-2994 (1970)
10. S.H. Kwon and S.P. Shah, Model to Predict Early-Age Cracking of Fiber-Reinforced Concrete due to Restrained Shrinkage, ACI Material Journal, Submitted for publication.
11. Bazant Z.P., and Planas J. Fracture and Size Effect in Concrete and Other Quasibrittle Materials (1998), CRC Press, New York
12. Nomura N., Mihashi H., and Izumi M. Correlation of fracture process zone and tension softening behavior in concrete. Cement and Concrete Research 21 (1991) 545-550
13. Leite J.P.B., Slowik V., and Mihashi H. Computer simulation of fracture processes of concrete using mesolevel models of lattice structures. Cement and Concrete Research 34 (2004) 1025-1033
14. Cedolin L., Poli S.D., and Iori I. Experimental determination of the fracture process zone in concrete. Cement and Concrete Research 13 (1983) 557-567
15. Hu X.Z., and Wittmann F.H. Fracture energy and fracture process zone. Materials and Structures 25 (1992) 319-326
16. Hu X.Z., and Duan K. Influence of fracture process zone height on fracture energy of concrete. Cement and Concrete Research 34 (2004) 1321-1330