A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Ingenuity needed for bell caissons in loose sand
Foundation construction for 13-story building on steep hillside of loose sand; soil stabilized first with sodium silicate and bicarbonate of soda; drilling done with 10-ton rig going 175 ft deep with holes 1 to 8 ft in diam; belling bucket used if soil is firm; loose sand shaft is drilled and cased to top of bell; pipe lagging driven in at 60° angle; when pipes are in, casing is lowered; later casing is withdrawn as concrete level rises in shaft.
Ingenuity needed for bell caissons in loose sand
Foundation construction for 13-story building on steep hillside of loose sand; soil stabilized first with sodium silicate and bicarbonate of soda; drilling done with 10-ton rig going 175 ft deep with holes 1 to 8 ft in diam; belling bucket used if soil is firm; loose sand shaft is drilled and cased to top of bell; pipe lagging driven in at 60° angle; when pipes are in, casing is lowered; later casing is withdrawn as concrete level rises in shaft.
Ingenuity needed for bell caissons in loose sand
Western Construction
Western Construction ; 31
1956
2 pages
Article (Journal)
English
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