Current concrete technology is not robust enough for the long-term exposure experienced in an ocean wind farm, and steel technologies require complicated shoreside construction and at-sea installation procedures with multiple large crane barges as we informed you earlier. The Marine Advanced Composite Concrete (MACC™) material and newly developed assembly/erection ocean-going deck barge (OGDB) has solved both of these issues. The breakthroughs to achieve this are three-fold:
The first is changing the ordinary Portland cement (OPC) binder in the concrete. The second is replacing the coated steel rebar with a material (basalt) that will achieve a non-metallic reinforcing structural frame. The third is forming, ballasting, and launching the foundation’s floating spar, and then installing the wind-turbine generator (WTG), in a completely novel way. The combination of these advances will increase the longevity of the system while simultaneously reducing construction, installation, and maintenance costs.
Andy Filak, a principal with AMF Concepts.
John Reeves, PE PMP, a naval architect with Elliott Bay Design Group.
This publication is courtesy of Andy Filak.