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QUALITY CONTROL
OF
CONSTRUCTION MATERIALS
by
K. RAMESH
Research Officer,
Engineering Materials Laboratory,
A.P. Engineering Research Laboratories,
Himayatsagar, HYDERABAD-500030.
Construction materials
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Cement
Aggregates (Fine & Coarse)
Water
Steel Reinforcement
Cement Concrete
Categories of I.S. Codes
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Codes which give specifications
Codes which give methods of tests
Important I.S. Codes
Material
Specifications
Methods of tests
1. Cement
269-1989, 8112-1989,
12269-1987,
1489(P.1&P.2)-1991
4031(P.1 to P.15)-1996,
4032-1985
2. Aggregates
383-1970
2386(P.1 to P.8)-1963
3. Water
456-2000
3025(P.1 to 32)-1987
4. Steel
432(P.1 &P.2)-1982,
Reinforcement 1786-2008
1608-1995, 1599-1985,
228(p.1 to 24)-1987
5. Cement
Concrete
516-1959, 1199-1959
456-2000
Tests on cement
(Physical Tests)
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Standard consistency
Setting times (Initial and Final )
Compressive strength
Fineness
Soundness
Specific Gravity
Tests on cement
(Chemical Tests)
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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 –
Tests on fine aggregate
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Sieve analysis
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Deleterious materials
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Soundness
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Specific Gravity
Tests on coarse aggregate
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Sieve analysis
Flakiness index
Elongation index
Deleterious materials
Impact value
Crushing value
Abrassion value
Soundness
Specific gravity
Alkali aggregate reactivity
Tests on water
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Neutralization
Organic solids
Inorganic solids
Sulphates
Chlorides
Suspended matter
Tests on steel reinforcement
(Physical Tests)
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Tensile test
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Bend test
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Rebend test
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Bond test
Tests on steel reinforcement
(Chemical Tests)
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Chemical composition
(Carbon, Sulphur, Phosporous, Sulphur
& Phosporous)
Tests on cement concrete
(Strength Tests)
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Compressive strength
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Flexure strength
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Modulus of elasticity
Tests on cement concrete
(Workability & Other Tests)
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Slump test
Compaction factor test
Vee-bee test
Analysis of freshly mixed concrete
Density
Yield
Air content
Cement content of hardened concrete
Drying shrinkage
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Moisture movement