Hydraulic and earth engineering – Marine structure or fabrication thereof – Floatable to site and supported by marine floor
Patent
1991-08-14
1993-06-01
Taylor, Dennis L.
Hydraulic and earth engineering
Marine structure or fabrication thereof
Floatable to site and supported by marine floor
405203, 405224, 405188, E02D 2906
Patent
active
052154106
ABSTRACT:
The immersion and positioning of a sink element on the sea bottom is controlled by providing a weight system suspended from the sink element. An auxiliary surface vessel has a control cable directly connecting the vessel with the weights system suspended from the sink element. The sink element is immersed with the weight system suspended therefrom and therebelow until the weight system contacts the sea bottom and the sink element reaches a preselected stabilized equilibrium elevational position above the sea bottom. Then the sink element can be laterally displaced while substantially maintaining the height of the sink element above the sea bottom by having the auxiliary surface vessel pull on the control cable connected to the weight system in a direction of movement towards the final location site. The weight system contacts the sea bottom during this movement to help control the movement of the sink element and minimize the influence of outside forces. When the sink element has substantially arrived at the final location site, the sink element is ballasted so that it will sink onto the site on the sea bottom. Buoyant floating bodies may be used for floatation and sinking of the sink element as well as mounting of the weight system.
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Norwegian Contractors
Olsen Arlen L.
Taylor Dennis L.
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