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A little bit, but not much. If it is really hot, and then really cold, then your cement will crack.
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∙ 14y ago
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How would temperature affect bridges?
the metal or concrete might expand if it gets too hot and compress when it gets too cold.
How do expansion joints in a sidewalk keep the concrete from cracking?
The expansion joint in a sidewalk keeps the concrete from cracking just as what its called. It allows the concrete to expand when heated and contract when cold. Without the joint, the concrete will crack and become uneven or mountain up.
What is m 30 concrete?
It is the grade of concrete which indicates the strength of concrete after 28 days curing. M #) means the strength of concrete after 28 days of curing will be 30 N/mm2 .
How soon can concrete be sealed?
You should wait a minimum of 28 days before you seal concrete. If you pour your concrete in summer, than a minimum of 14 days is acceptable. If you seal concrete any quicker, there is a chance moisture will be trapped inside.
Does concrete expand when heated?
Yes , just the same as steel - otherwise the rebar would crack structures !
Do wires expand?
Yes as though during the hot days the wires due to the hot heat that make it expand.
Does gas expand on hot days?
No. a gas does not expand on a hot day because all of the chemicals compress in order to keep it the size and shape
Why do concrete patios crack?
A concrete patio usually cracks due to heat cold. If it is to cold it contract and break. If it is to hot it will expand and break. Then water can seep into those cracks and freeze causing the crack to expand
Why would it be a bad idea to reinforce concrete with aluminum rods?
They do not expand equally, therefore the aluminium might crack the concrete on a hot day (or vice versa) due to this difference in expansion. i.e steel rods can be used to reinforce concrete because both materials expand equally.
What material allows concrete sections to expand on bridges?
Material such as wood allow the concrete to expand
Is tar useful in concrete roads?
Because the concrete will expand and the tar will become soft. So the concrete has room to expand. With out cracking.
How tar is useful in concrete roads?
Because the concrete will expand and the tar will become soft. So the concrete has room to expand. With out cracking.
How would temperature affect bridges?
the metal or concrete might expand if it gets too hot and compress when it gets too cold.
Why car tires expand on hot days?
Everything expands when it gets hot, contracts when cold including air molecules...tires expand just from the heat of driving down the road as well
Why does London bridge not expand?
It is a concrete bridge so has no need to expand.
Why balloons expand when placed in hot water?
The hot water heats the air inside the balloon - making it expand.
What is an expansion joint in construction?
An "expansion joint" is a joint left in between sections of the same material, like concrete or steel, that allows movement as the material heats up or cools down. Without it, concrete, for example, can expand and crack in hot temperature.
