id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fis-1681	Chunjiang, Liu; Huabo, Zhang; Ninghua, Lv	Influence of different sizes of concrete and roller compacted concrete on double-K fracture parameters	2015	9	.pdf	application/pdf	3905	196	55	Concrete fracture toughness has size effect, that is to say, concrete fracture toughness increases as size of specimen increases; besides, crack-depth ratio affects concrete fracture toughness to some extent, but the influences are not all consistent. The rule to ordinary concrete is that concrete fracture toughness is reduced with the increase of crack-depth ratio, and the rule to RCC partially conforms to ordinary concrete rule.	cache/fis-1681.pdf	txt/fis-1681.txt