10. (I) A concrete highway is built of slabs 12 m long (15°C). How wide should the expansion cracks between the slabs be (at 15°C) to prevent buckling if the range of temperature is -30°C to +50°C?

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10. (I) A concrete highway is built of slabs 12 m long (15°C).
How wide should the expansion cracks between the slabs be
(at 15°C) to prevent buckling if the range of temperature
is -30°C to +50°C?
Transcribed Image Text:10. (I) A concrete highway is built of slabs 12 m long (15°C). How wide should the expansion cracks between the slabs be (at 15°C) to prevent buckling if the range of temperature is -30°C to +50°C?
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