M25 Concrete Mix Design & IS Code

 quiz answer:

                        

   CONSISTENCY OF CONCRETE  - Ease of Flow or workability of concrete, measured by slump test.
                                                           
Design mix : M25

   ratio ( 1: 1.5 :3 )
Quantity:
   cement : 340 kg/meter cube
   20mm Jelly : 667 kg/meter cube
   12.5mm Jelly : 455 kg/meter cube
   River sand : 775 kg/meter cube
   Total water : 185 kg/meter cube
   Admixture : 0.6%
   Fresh Concrete Density : 2414 kg/meter cube

IS CODE:

   IS 456   - code of practice for plain cement concrete
   IS 383   - coarse and fine aggregate from natural source for concrete ( in 1970 ) 
   IS 1904 - Design and Construction of foundation in soil ( in 1986 )
   IS 8009 - Calculation of Settlement of foundation ( in 1976 Part-I)
   IS 6006 - uncoated stress relived strand for prestressed concrete ( in 1983 )

Today's quiz:

  what is meant by COPING ?