Offshore sand as a fine aggregate for concrete
Offshore sand as a fine aggregate for concrete production . d. a. r. dolage 1, m. g. s. dias 2 and c. t. ariyawansa 3. 1 department of civil engineering, the open university of sri lanka, nawala, sri lanka. 2 engineering division, coconut development authority, colombo, sri lanka. 3 technology education division, ministry of industry and.