A masonry dam 21m high, has a triangular cross section. The upstream side being vertical. The masonry weighs 23.544 kN/m3. The water depth at the upstream side of the dam is 18m. Calculate the width...

A masonry dam 21m high, has a triangular cross section. The upstream side being vertical. The masonry weighs23.544 kN/m
³. The water depth at the upstream side of the dam is18m. Calculate the width of the base of the dam if the resultant reaction at the base is located4/10 B from the toe