what is the advantages of i shaped girders?
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Girders are used for support during the construction .I-shaped girders are made like the I-beam section and are composed of couple of load bearing flanges .
I shaped girders made to bear the high load of things.
They are used in building of pulls, fly overs etc.
They are also used to give main support to the roofs of houses .
Some times they are also used in construction of public shades and public places.
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increase the strength
decrease the cost
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