Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 1 (Q.No. 39)

Building Materials

39.

Pick up the correct statement from the following:

The theory of formation of concrete is based on the phenomena of formation of voids

The bulking of sand is taken into account while volumetric proportioning of the aggregates

The dry sand and the sand completely flooded with water, have practically the same volume

The expansion and contraction joints are provided if concrete structures exceed 12 m in length

All the above.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

13 comments Page 2 of 2.

Nischal said: 1 decade ago

Expansion joint is provided for > 45m.

Arju abedin said: 1 decade ago

Expansion joint in 12 m? I have doubt in that.

Nirgude Gayatri said: 1 decade ago

Why all questions are having answer all of the above? we cannot able to understand this type of question.

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