Question

which the pillars of bridge and flyover has broad base ?​

Answer 1

Answer:

Pillars  of flyover and bridges has broad base to reduce the tension exerted by vehicles and its own mass.Pillars has generally has broad top also , that is all is for to shift all the tension to ground.

Explanation:

Answer 2

Answer:

Pillars and Flyovers have broad base in order to bear the complete pressure of bridge and flyover along with vehicles.

Explanation:

If the base is wider then the distribution of pressure takes place resulting in the low tension on pillars.

So Pillars and Flyovers have broad base in order to bear the complete pressure of bridge and flyover along with vehicles.