Underground concrete silo for rocket-fuel plant near Homestead, Fla, was built at grade as concrete caisson, by constructing bottom first and working upward, letting caisson sink under its own weight as excavation proceeded; pit where solid propellant will be cast in rocket motor, cured for about 1 mo and then test fired, is 177.5 ft deep and has ID of 52.5 ft; because weight of future solid-fuel rockets is too great for standard handling and housing equipment, cast, cure, test pit is key installation in plant of Aerojet-General Corp, Azusa, Calif, which will produce and test rocket boosters for exploration of moon and beyond.
Underground silo for rocket tests built by Caisson method
Eng News-Rec
Engineering News-Record ; 172 , n 21
1964
3 pages
Article (Journal)
English
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