1. QUALITY CONTROL OF CONSTRUCTION MATERIALS by K. RAMESH Research Officer, Engineering Materials Laboratory, A.P. Engineering Research Laboratories, Himayatsagar, HYDERABAD-500030.

2. Construction materials Cement Aggregates (Fine & Coarse) Water Steel Reinforcement Cement Concrete

3. Categories of I.S. Codes Codes which give specifications Codes which give methods of tests

4. Important I.S. Codes MaterialSpecificationsMethods of tests 1. Cement269-1989, 8112-1989, 12269-1987, 1489(P.1&P.2)-1991 4031(P.1 to P.15)-1996, 4032-1985 2. Aggregates383-19702386(P.1 to P.8)-1963 3. Water456-20003025(P.1 to 32)-1987 4. Steel Reinforcement 432(P.1 &P.2)-1982, 1786-2008 1608-1995, 1599-1985, 228(p.1 to 24)-1987 5. Cement Concrete 456-2000516-1959, 1199-1959

5. Tests on cement (Physical Tests) Standard consistency Setting times (Initial and Final ) Compressive strength Fineness Soundness Specific Gravity

6. Tests on cement (Chemical Tests) Ratio of percentage of lime to percentages of silica, alumina and iron oxide Ratio of percentage of alumina to percentage of iron oxide Insoluble residue, percent by mass Magnesia, percent by mass Total sulphur content, percent by mass Total loss on ignition Total chloride content –

7. Tests on fine aggregate Sieve analysis Deleterious materials Soundness Specific Gravity

8. Tests on coarse aggregate Sieve analysis Flakiness index Elongation index Deleterious materials Impact value Crushing value Abrassion value Soundness Specific gravity Alkali aggregate reactivity

9. Tests on water Neutralization Organic solids Inorganic solids Sulphates Chlorides Suspended matter

10. Tests on steel reinforcement (Physical Tests) Tensile test Bend test Rebend test Bond test

11. Tests on steel reinforcement (Chemical Tests) Chemical composition (Carbon, Sulphur, Phosporous, Sulphur & Phosporous)

12. Tests on cement concrete (Strength Tests) Compressive strength Flexure strength Modulus of elasticity

13. Tests on cement concrete (Workability & Other Tests) Slump test Compaction factor test Vee-bee test Analysis of freshly mixed concrete Density Yield Air content Cement content of hardened concrete Drying shrinkage Moisture movement