id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-608	Bažant, Z. P.; Yu, Q.	Size Effect in Fracture of Concrete Specimens and Structures: New Problems and Progress	2004	9	.pdf	application/pdf	7153	298	66	They proposed the semi-empirical formula: � �n a a � � � � � � � � � 0 1 2 1 * , (6) where �0 � �ft for small 3PB specimens; a� * is a certain con- stant; and �n represents the maximum tensile stress in the ligament based on a linear stress distribution over the liga- ment, � � �n N A� ( )0 . (13) and solving for �N, one gets an equation of the form of Bažant’s classical size effect law (1984): � �N D D� � � 0 0 1 21( ) .	cache/ap-608.pdf	txt/ap-608.txt