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The concrete having bulk density between 5 kN/m^3 to 18 kN/m^3 is known as _________

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The concrete having bulk density between 5 kN/m^3 to 18 kN/m^3 is known as _________

(a) Coloured concrete

(b) Lightweight concrete

(c) No-fines concrete

(d) Heavyweight concrete

I have been asked this question in class test.

My doubt stems from Different Types of Concrete in portion Cement Concrete Construction of Construction & Building Materials

1 Answer

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The correct choice is (b) Lightweight concrete

To explain: The lightweight concrete is highly porous and hence, it leads to the corrosion of reinforcement, if not properly protected. For lightweight concrete, the loose porous materials are used as aggregates.

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