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It is because if it was one big piece, the concrete would buckle and break just like bridges.
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∙ 11y ago
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What is the ypical sidewalk dimension?
as standards, we take min 5 feet in residential and min 7 feet in commercial urban spaces...it can surely increase in accordance with the amount of foot traffic in the area...
How many inches is 2 and a half feet?
every measurement of feet is 12 inches, so 2 inches is 24 feet and 2 and a half feet is 30 inches. every half of a foot is 6 inches.
What organ helps you breath 282 cubic feet of air that you need every day?
The diaphragm is the organ that helps you breath 282 cubic feet of air that you need every day.
How many feet is 120 yards?
120 feet is 40 yards. (1 yard for every 3 feet).
How many yards of concrete do you need for sidewalk that is 4 inches deep by 4 feet wide by 100 feet long?
Five. 100 feet times 4 feet times 1/3 foot (4") is100*4/3=133.33...cubic feetI believe a "yard of concrete" is a cubic yard and so = 33 = 27 cubic feet133.33 / 27 = almost 5 (4.9382716...)
Sidewalks are built with cracks because in the summer something occurswhat is it?
they r called contraction joints. then every few of those then expansion joint. concrete is going to crack, so make it crack so it can't be seen,under the man made ones. concrete tends to crack symmetrically. so if ur sidewalk is 3 feet wide the contraction joints will be every 3 feet. then expansion joint, 3/4 inch with expansive material, every 4th one.
How many cubit feet in a four by twenty five feet sidewalk?
Impossible to answer - without knowing the depth of the sidewalk !
Why does a person move forward when he or she pushes on the sidewalk?
The person's feet push backward on the sidewalk; the sidewalk pushes forward on the person.
A sidewalk borders a rectangle play area The play area measure 20 feet by 14 feet The width of the sidewalk is 2 ft What is the perimeter of the outside border of the sidewalk?
84
If you have 152 cubic yards of concrete you are building a sidewalk 6 feet wide by 6 high how many linear feet of sidewalk will you have?
152/(6*6) = 4.22... (recurring) feet.
Which explanation describes the forces involved for a person to walk down the sidewalk?
The person's feet push backward on the sidewalk; the sidewalk pushes forward on the person.
If a sidewalk is 3 feet wide and 184 feet long how many expansion joints are needed?
The answer will depend on what material the sidewalk is made from and the maximum range in temperature.
When heat is transferred from the sidewalk to your feet by what process?
conduction
How many feet before an expansion joint is installed in concrete sidewalk?
10 feet.
What is the average installation price of a concrete sidewalk per square foot?
Unanswerable - too little information on size of wall when finished - a wall 2 feet high would be built very differently to one 10 feet high.
What force keeps a person's feet from slipping on the sidewalk?
frictional force
How many square feet of a 4 inch sidewalk to a cubic yard of concrete?
81 Square feet.
