Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Richard Childs Mielenz"'
Publikováno v:
Economic Geology. 41:266-281
The Malheur River siphon, a feature of the Owhyee Project of the Bureau of Reclamation, U. S. Department of the Interior, comprises 21,976 feet of 80-inch welded steel pipe and 1,020 feet of 78-inch, precast, reinforced concrete pipe. The siphon was
Publikováno v:
Economic Geology. 46:311-328
Many geologic formations in the United States yield pozzolans or materials which can be converted into pozzolans by grinding and calcination. When properly selected, processed, and used, pozzolans will reduce costs, improve quality of concrete, prote
Publikováno v:
ACI Journal Proceedings. 44