Collision protecting system for TLP structures

Details Collision protecting system for TLP structures Collision protecting system for TLP structures

1988-11-07

1989-11-14

Oberleitner, Robert J.

Brakes

Plastic deformation or breakage of retarder element

Crushable element

114219, 405216, F16F 712, B63B 5902, E02D 560

Patent

active

048800880

ABSTRACT:
A light weight, energy dissipation bumper system for protecting the columns of an offshore platform. A plurality of rows of crushable tubes are provided to dissipate collision energy through absorption without storing such energy. The tubes have a diameter to thickness ratio between 30 and 40 for mild steel providing neutral/positive buoyancy. The tubes may be easily replaced when their ability to protect the column to which they are attached to exhausted through flattening. The tubes may extend either axially along or radially outward from the column.

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patent: 4650371 (1987-03-01), Sawaragi et al.

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