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Influence of Coarse Aggregate Size on Softening Curve of Concrete
The program by Fortran to determine softening curve of concrete by inverse analysis was developed based on the wedge splitting test and Fictitious Crack Model (FCM). The four-linear softening curves were obtained by the inverse analysis program for the wedge splitting (WS) specimens which size are all 200mm×300mm×300mm with different coarse aggregate size. The approach of refining element mesh was presented for the inverse analysis calculation. It is shown that the three control parameters of softening curve, which are the tensile strength ft, maximum crack width wc and fracture energy GF, increase with increase of the maximum coarse aggregate size dmax.
Influence of Coarse Aggregate Size on Softening Curve of Concrete
The program by Fortran to determine softening curve of concrete by inverse analysis was developed based on the wedge splitting test and Fictitious Crack Model (FCM). The four-linear softening curves were obtained by the inverse analysis program for the wedge splitting (WS) specimens which size are all 200mm×300mm×300mm with different coarse aggregate size. The approach of refining element mesh was presented for the inverse analysis calculation. It is shown that the three control parameters of softening curve, which are the tensile strength ft, maximum crack width wc and fracture energy GF, increase with increase of the maximum coarse aggregate size dmax.
Influence of Coarse Aggregate Size on Softening Curve of Concrete
Zhao, Zhi-Fang (author) / Feng, Xiao-Jie (author) / Zhao, Zhi-Gang (author) / Yang, Li-Jian (author)
2012
6 Seiten
Conference paper
English
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