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System of sliding forms used in South Africa for fast construction of reinforced concrete headframes; 36 ft diam headframe was raised at rate of 9.7 ft/day; system consists of rigid climbing units actuated by hydraulic jacks; after completion of structure, all parts are completely salvaged for use elsewhere; once begun, construction must continue night and day and workmen are protected against weather; almost perfect verticality achieved.
System of sliding forms used in South Africa for fast construction of reinforced concrete headframes; 36 ft diam headframe was raised at rate of 9.7 ft/day; system consists of rigid climbing units actuated by hydraulic jacks; after completion of structure, all parts are completely salvaged for use elsewhere; once begun, construction must continue night and day and workmen are protected against weather; almost perfect verticality achieved.
New sliding formwork system speeds headframe
Eng Min J
Cordes, T. (author)
1960
3 pages
Article (Journal)
English
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