An ultra high strength fiber-reinforced cement composition includes
cement, silica fume, coal gasification fly ash, insoluble anhydrous
gypsum, and metal fiber having a length between 5 and 30 mm and a
diameter of between 0.1 and 1 mm. The coal gasification fly ash is
spherical fine particles having a maximum particle size between 5 and 10
.mu.m. Mass ratio of the silica fume: the coal gasification fly ash is 95
through 50 portions: 5 through 50 portions.