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Why are there gaps in between sidewalks?
Concrete, like most materials, expands and contracts with the temperature. The gaps allow the surface to do so without cracking.
Why are there gaps between the slabs of concrete pavements?
There are 2 reasons for that. Reason one: They can be expansion joints. In the winter the pavement contracts and in the summer it expands. these joints are generally gaps that go the whole way threw the pavement. Generally these joints are filled with some sort of caulking to keep moisture from getting underneath the pavement. Reason two: They can be put there as joints for the concrete to crack. when sidewalks are made and other concrete pavements, they anticipate the concrete cracking, so they put in gaps that dont go all the way threw the depth of the concrete as a place for the concrete to crack and not be unsightly.
Why are there gaps at regular spots in the side walk?
They're called "expansion joints". Concrete expands and contracts with temperature changes. The expansion joints allow this to happen without cracking the concrete slab.
Why are small gaps left between the joints of concrete slabs on bridges?
Small gaps are left between the joints of concrete slabs on bridges to accommodate thermal expansion and contraction. As temperatures change, concrete can expand and shrink, and these gaps help prevent cracking or other structural damage. Additionally, the joints allow for water drainage and reduce the risk of freeze-thaw cycles damaging the concrete. Overall, these gaps are essential for maintaining the integrity and longevity of the bridge structure.
Why did concrete slabs used to make motorways have a soft material in the gaps between them?
It allows for the expansion of the concrete during hot weather and provides a water block during rains and that prevents water freezing (and expanding) during the winter. Ice expanding in those cracks would damage the cement slabs.
Why would a bridge contain gaps where the metal pieces fit together?
these gaps "joint" are used to prevent cracking due to expansion and contraction which result from the change in temperatures between summer and winter and night and day
Why do concrete roads have gaps between large pieces of concrete?
As the weather varies the concrete expands and contracts. If there were no gaps the concrete would buckle and crack.
Why do roads have the gaps between the large pieces of concrete?
They are expansion gaps that allow for the expansion and contraction of the concrete.
Why gaps are left in concrete slaps?
Gaps in concrete slabs, also known as control joints, are intentionally placed to control cracking caused by shrinkage as the concrete cures. These joints help to direct where cracks may occur, allowing them to happen in a controlled manner along the joint lines rather than randomly across the slab. Without control joints, cracks may still form but they would be more unsightly and difficult to predict.
Why gap are left in concrete slabs?
Gaps are left in concrete slabs to accommodate expansion and contraction due to temperature changes, which can prevent cracking. These gaps, often referred to as expansion joints, allow for movement without damaging the structure. Additionally, they can help manage water drainage and prevent moisture buildup, which can lead to further structural issues. Proper spacing and placement are crucial for maintaining the integrity of the concrete.
When temperature rises what will happen to the gaps between the concrete sections?
when the tempreture rises the gaps between the concrete pavement will expand because of the heat.
Why concrete roads have gaps?
because it expands and contracts depending on the temperature..the gaps allow the concrete some space to expand so that it will not crack..
