Recent content by tekanin

Perhaps the price of concrete is cheaper than steel, that would be a reason to do it that way.

It can be done, but the point you are making is generally why it is not done.

What I just said is technically incorrect, steel is denser than concrete, but it usually takes more concrete to perform the same function in a building.

Because concrete is heavier than steel.

That is a common practice to repair damaged concrete structures, as long as the concrete mix is proper, and the rebar joints are put in the correct places it will be just as strong as the original. Think of it this way when buidling a structure out of concrete they don't pour it all at once! :smile:

As long as the beam is not in pure tension this will not be a problem as there would be zero forces on the very center of the beam. If the beam is flexed, one side will only be in tension and the other side will only be in compression. The side which is only in tension will be the side that...