STUDY OF SPECIMEN SIZES OF FRACTURE EXPERIMENTS OF CONCRETE MATERIAL
Wu Lixian
DOI:10.11835/j.issn.1674-4764.1990.03.006
Received ,Revised , Accepted , Available online July 01, 2015
Volume ,1990,Pages -
- Abstract
The minimum sizes of specimens that can get effective K_(10) values by 3-point bending, 4-point bending and CT methods are derived on the basis of their notch sensitivity laws and size effect equation of concrete. The results show that the minimum heights of 3-point bending and 4-point bending specimens are very similar to those from Modeer's results, and the minimum height of CT specimen increases as the relative crack length increases.