5Chen H J, Yen T Lia T P, et allDeterm ination of the Dividing St rength and its Relat ion t o the Concrete St rength in Lightw eight Aggregat e Concret elCem ent and Concrete Composites, 1999( 21 ) :29-37.
9[12]Chen H J, Yen T, Lia T P, et al. Determination of the Dividing Strength and its Relation to the Concrete Strength in Lightweight Aggregate Concrete. Cement and Concrete Composites, 1999(21 ):29 ~ 37
10[14]Wasserman R, Bentur. Effect of Lightweight Fly Ash Aggregate Microsturcture on the Strength of Concretes. Cement and Concrete Research, 1997, (27)4:525 ~ 537