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Natural Aggregates in Malaysia
The Malaysian concrete industry derives its aggregates mostly from natural sources. These aggregates have either been reduced to its...
Good properties of concrete aggregates
Aggregates form about 75% of concrete either by volume or by weight. Therefore its properties are important if it were to contribute to...
The importance of aggregates in concrete
Concrete is strong not only because of the cement paste but also because of the relatively inert fine and coarse aggregates that is...
What is Strain?
Now we talk about the "brother" of Stress: Strain. noun noun: strain; plural noun: strains a force tending to pull or stretch something...
What is stress?
To the laymen, stress is normally associated with the human body and mind; a physical and mental condition. However to engineers, it has...
What is Modulus of Elasticity?
BS EN 206:2013 requires testing of concrete for Modulus of Elasticity. What is Modulus Elasticity and why is it important? Modulus of...
Fly Ash Prevents Efflorescence on Concrete
Efflorescence on concrete is a result of leaching of calcium hydroxide and subsequent carbonation and evaporation. It is soluble salts. ...
ASTM Standards for Ordinary Portland Cements
ASTM C 150 specifies five types of Portland cements: Type I (GU) Common Portland Cement (or cement for General Use). This is for...
Concrete has come a long way
Concrete is undoubtedly the most widely used man-made construction material in the world. This is probably because concrete uses mostly...
Curing in hot climates like Malaysia
Malaysia has a hot and humid climate. Curing requires special attention. The problems in such conditions are opposite of those in cold...
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