A three hinged parabolic arch of height ‘h’ and length ‘l’ is carrying uniform load intensity ‘w’ for a quarter span from both ends. The horizontal thrust ‘H’ produced at the supports for the given condition is given by ____.
1
\(\frac{{{\rm{w}}{{\rm{L}}^2}}}{{8{\rm{h}}}}\)
2
\(\frac{{{\rm{w}}{{\rm{L}}^2}}}{{16{\rm{h}}}}\)
3
\(\frac{{{\rm{w}}{{\rm{L}}^2}}}{{24{\rm{h}}}}\)
4
\(\frac{{{\rm{w}}{{\rm{L}}^2}}}{{32{\rm{h}}}}\)