CBSE Class 6 Answered
While constructing cement roads using concrete slabs, a small gap is left between two slabs. Explain
Asked by Topperlearning User | 26 Jul, 2016, 06:06: PM
Expert Answer
The concrete slabs undergo thermal expansion during summer. The gap allows space for this expansion. If these gaps were not left, the concrete slabs would crack during summer due to thermal expansion.
Answered by | 26 Jul, 2016, 08:06: PM
Concept Videos
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Changes around Us - 2
This video explains changes such as melting, expansion and contraction.
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