It is essential that the all possible yield line patterns have to be investigated to find the ------------
[ A ] Highest value of the ultimate load
[ B ] Lowest value of the ultimate load
[ C ] Average value of all the loads.
[ D ] None of the above.
[ A ] Highest value of the ultimate load
[ B ] Lowest value of the ultimate load
[ C ] Average value of all the loads.
[ D ] None of the above.