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What might happen on a hot day if expansion joints were not used?
On a hot day, materials like concrete and metal expand due to increased temperatures. Without expansion joints, this expansion can lead to significant stress and pressure within structures, causing cracks, buckling, or even structural failure. Additionally, the lack of expansion joints can hinder the movement of materials, resulting in misalignment and compromised integrity over time. Overall, the absence of these joints can lead to costly repairs and safety hazards.
What is the purpose for the gaps in the road on the bridges?
Thermal expansion. look it up. heat expands and cold contracts. Even RR track-workers leave a near-microscopic gap to allow for this. There are expansion joints on all bridges over a certain size- One end ( of the span) is fixed- directly on the pier(s) the other end has a certain amount of expansion caused by , mainly temperature variations- hence Thermal expansion.The expansion joints are essentially automatic, and do not require operator attention. I used to work on bridges- and am a long-time railroad buff. If they didn't have gaps then the bridges and highways would crack and break which will cost money for the government to repair (the taxes we pay will pay for the cost of it. Hope that it helped :) Mickey this is the answer to 6 copy now
What happens to the density of materials when their energy increases?
In most cases, density decreases when energy in the form of heat increases. This is why bridges and concrete sidewalks require expansion joints to prevent cracking on a warm day, for example. On the contrary, when heat energy is removed from water to it's freezing point, the density decreases when it becomes a solid (ice) as the water molecules form a solid structure that separates them by a greater distance than liquid water. This is why ice floats on water.
What could it be If your joints constantly pop All day every day all joints?
If joints are popping all day long no matter what motion is attempted, this could mean a loss of cartilage around the joints. A doctor should be consulted to help ascertain the nature of the ailment.
Is 5 joints a day considered excessive?
Depends who you ask, I smoke 10 joints a day, so compared to me, not excessive at all, lol!
The first day of school for ruby bridges?
November 1960
Who plays Ben in Daddy Day Camp?
Spencir Bridges
What actors and actresses appeared in Labor Day - 2000?
The cast of Labor Day - 2000 includes: Jimmy Bridges as himself Todd Bridges as himself Renne Gjoni as John Colleen Rafferty as Jill
Was Jeff Bridges' son in last of the Mohicans?
No, Jeff Bridges' son was not in "The Last of the Mohicans." The film, released in 1992, starred Daniel Day-Lewis in the lead role, while Jeff Bridges was not part of the cast. Jeff Bridges does have a son, however, named Jesse Bridges, who is an actor but did not appear in that particular film.
What happens to a thermometer on a hot day?
On a hot day, the liquid inside the thermometer expands and rises, causing the temperature reading to increase. This occurs because heat causes molecules to move faster and spread out, resulting in the expansion of the liquid inside the thermometer.
What objects show expansion and contractions?
Almost all of them, but bridges can be a very good example. The small rubber tracts are for when the bridge expands and contracts. Metals also do a good job. There is a way to make a quazi thermometer that uses the expansion and contraction of metal wire to pull a pin.
Why is a small gap left between rail road tracks instead of welding them together?
To allow for the expansion of tracks due to temperature variance. If this is not done, under certain conditions (high temp) the tracks will push against one another and bow outward or inward. This is common in building - bridges, hardwood floors, generators, etc.
