what is the compressive strength of basalt

IS 456-2000 Indian Standard code book for RCC design ...- what is the compressive strength of basalt ,IS 456 : 2000Indian Standard PLAIN AND REINFORCED CONCRETE CODE OF PRACTICE ( Fourth Revision ) ICS 91.100.30 0 BIS 2000Aggregates for Concrete - Department of Civil EngineeringT 27). The range of particle sizes in aggregate is illustrated in Fig. 5-4. The aggregate particle size is determined by using wire-mesh sieves with square openings.