Offshore platform structure having at least a superstructure and

Details Offshore platform structure having at least a superstructure and Offshore platform structure having at least a superstructure and

1987-08-12

1988-05-03

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Cast in situ

249 48, 405222, 405204, 425 63, E02D 540, E04G 1122

Patent

active

047416483

ABSTRACT:
Slipforming means intended for slipforming inclined, hollow columns of reinforced concrete, comprising a slipform platform (14) including the form work (28, 29), which is supported by and may be lifted/lowered by means of a climbing rod system (12) which is fixed to the already cast, cured portions of the column (11). The form work is by means of a number of yokes (26,27) suspended from the slipform platform and comprises inner and outer formsheets (28,29) extending in circumferential direction. The yokes are adjustable in radial direction with respect to the slipform platform while the form sheets are adjustable in tangential or circumferential direction with respect to each other. One of the form work walls is radially adjustable with respect to the other. The slipforming means is intended for slipforming hollow, inclined columns having increasing and/or decreasing diameter.

REFERENCES:
patent: 3456447 (1969-07-01), MacKintosh
patent: 3509606 (1970-05-01), Fisher
patent: 3901472 (1975-08-01), Ahlgren
patent: 4002038 (1977-01-01), Phares et al.
patent: 4043138 (1977-08-01), Stageboe et al.
patent: 4063857 (1977-12-01), Thoma
patent: 4256417 (1981-03-01), Bohannon

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