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Mass production of pre-arched, reinforced concrete floor and roof slabs
Rapidex floor and roof slabs are assembled from Haydite concrete block units; 8-in. Rapidex unit weighs 42 psf; cured concrete Haydite units have compressive strength of 3000 psi after 28 days; grouting machine forces grout around reinforcing bars in slab.
Mass production of pre-arched, reinforced concrete floor and roof slabs
Rapidex floor and roof slabs are assembled from Haydite concrete block units; 8-in. Rapidex unit weighs 42 psf; cured concrete Haydite units have compressive strength of 3000 psi after 28 days; grouting machine forces grout around reinforcing bars in slab.
Mass production of pre-arched, reinforced concrete floor and roof slabs
Rock Products
Torgerson, R.S. (author)
Rock Products ; 57
1954
Article (Journal)
English
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