A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Precision devices for sinking tunnel caissons
Procedure adopted for construction of great vehicular tunnel under River Maas at Rotterdam; precast concrete boxes 81 × 27 1/2 × 202 ft were to be sunk to rest on sills of concrete previously placed on river bottom by hydraulic jacks installed in box walls; special air lock and diving bell equipment; erection of steel shell for caisson in drydock preparatory to placing concrete; ventilating shafts and approaches.
Precision devices for sinking tunnel caissons
Procedure adopted for construction of great vehicular tunnel under River Maas at Rotterdam; precast concrete boxes 81 × 27 1/2 × 202 ft were to be sunk to rest on sills of concrete previously placed on river bottom by hydraulic jacks installed in box walls; special air lock and diving bell equipment; erection of steel shell for caisson in drydock preparatory to placing concrete; ventilating shafts and approaches.
Precision devices for sinking tunnel caissons
Eng News-Rec
Van Bruggen, J.P. (author)
Engineering News-Record ; 125
1940
3 pages
Article (Journal)
English
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