99% of the living space available on the planet is water, so with a population growth of 1 billion per decade, we need to develop ocean colonization to avoid to cut down the last nature reseve on land to make space for megacities.
Some may argue that there is "still a lot of space left on land". But the reality is that human pressure on land is already causing the biggest mass extinction of species in history. So to make our presence on the planet feasible we need to reduce human activity on land much below the current (already toxic) level. The only alternative space left that can take this "activity volume" is the ocean.
Read more about sustainability, growth, human population, here: http://concretesubmarine.activeboard.com/t58921987/sustainability-population-growth-consumption-growth-ocean-co/
Even if we could stabilize the "human headcount" on the planet - the activity pressure will still rise as people want, desire, and demand, more and more goods and services to increase their quality of life.
Human settlement of the oceans depends on technical feasible solutions and most of all, a affordable squaremeter real estate price for average joe - this means traditional naval technologies and yacht technologies are very much excluded for bringing settlement on the ocean due to their extreme high cost per squaremeter and dependence on strict shipyard maintenance shedules that a "floating settlement" can not have.
Read more about fesible building methods and squaremeter prices here: http://concretesubmarine.activeboard.com/t57819473/floating-concrete-platforms-building-methods/
Real estate squaremeters floating on the water need to perfom a 200 year service life, and be buildable at building costs compareable to land real estate. Only floating concrete honeycomb and shell structures have this quality.
If you think it trough the most economic way to enclose a living space and make it suitable for human habitation is building a sphere.
There have been recent studies of the MIT for the ORES wind energy storage sistem that place a 30m concrete sphere in a cost universe that would cook down to a real estate price of USD 2122 per squaremeter.
The sistem is planned for 3m thick walls and 400m operation depth. A less extreme sphere with only 1m wall thickness hanging just below the surface would lower this price to about a third of that. This would be already in the range of a normal city apartment.
A sphere habitat would not only be the most economic living space feasible for ocean colonization, it would also be a draupner wave impact free seastead, have low anchor and position keeping requirements, so solve all of the problems seastead engineering is struggling with when designing surface floating platforms.
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Thruster setup on a ocean sphere...
The surface part on top of the sphere connecting the submerged sphere with the outside world could have a nice wave impact save shell look like that...
As the world becomes increasingly ocean-oriented for energy and other resources it is predicted that construction activities during the 21st century will be dominated by concrete sea structures. Read more here
The above mentioned pressure of civilization, the quest for interference free space, the need to offshore business, and the quest for resurces will add up to a momentum that makes ocean colonization the next big thing to come - before human colonization of space can start to be considered a "real world possibility" .
A 10m diameter concrete sphere delivers a volume of 523.599 m3 - which means about 209 real estate squaremeter at 2,5m room height. (314m surface area) - this is the living space of a 3 story family house.
Such a sphere gives comfort in the high seas is Draupner wave safe and does not depend on any other infrastructure.
For a 10cm thick shell it would require 31 cubic meter of concrete cast - (which can be performed at 3000 USD per cubic meter) - that places the "family house sphere in a cost universe of 93.000 USD - much lower than normal housing. Somewhere around 444 USD per real estate squaremeter.
- read more about floating concrete building methods here: http://concretesubmarine.activeboard.com/t57819473/floating-concrete-platforms-building-methods/
ocean colonization, space colonization, models, oceanic cities are the last frontier of our planet and the natural stepping stone to space colonization.
ocean colonization definition, establishing floating settlements on the ocean. Richard Branson, Necker Island, Virgin Oceanic, James Cameron, Bob Ballard, Chris Welch, Wilfried Ellmer, floating concrete platforms, honeycomb floating platform, floating concrete shell construction, oc...
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May 9, 2013 - Contact / Order / Source / Info /. wilfried Ellmer, manager, expat, latin america, colombia, business development, advisor, consultant, portal, ...
Wilfried Ellmer uploaded, replied to a comment from MrTrailltrader, added to ... structures, geared towards ocean colonization, built around that technology.
Jan 24, 2012 - The baseline for making ocean colonization feasible will be, that the cost per ... This excludes cities in naval steel technology along the lines of oil platforms .....wilfried ellmer, cartagena colombia, concrete shell, honeycomb, ...
four forms of ocean colonization for four distinct purposes: 1) to expand ....Wilfried Ellmer of Concrete Submarines (Colombia) for exposing me to ... when it was realized that the technology had been developed to take on such a challenge.
ellmer. Participant. The Orsos Island is a nice “artist version” how a single ... /ramform-ship-island-as-ocean-base-mobile-stable-scaleable/ ... from fiberglass yacht technology and come to floating concrete shell and ... to participate in the game – and this is the baseline of “colonization”. ...Wilfried Ellmer.
This is more or less an idea how a 300m diameter concrete sphere floating on the ocean surface looks like. Most of the sphere submerged it can take any Draupner Wave, has little position keeping requirements (tendon anchor) and gets still plenty of sunlight in the interior space. Anchored near a Land City it will not "clutter the horizon" although it may hold more living space than the biggest building in town, and it will hold a big space volume enclosed in the strongest and most cost efficient way possible, suitable to take anything the ocean may throw against it.
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Picture the interior as something like that wide open spaces comparable to a shopping center light comes from above, aircon needs are minimum as the surrounding seawater equilibrates temperature - a major cost factor for land based shopping centers. While building a giant sphere is complicated logistics on land, the building of such a structure is very easy in the water, off the shelf engineering comparable to the Rion Antirion Pylon Project.
Rion Antirion Pylon a 70m diameter concrete shell built afloat...
-- Edited by admin on Monday 2nd of June 2014 04:27:19 PM
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The concept of an oceanic concrete sphere habitat is a fascinating and innovative idea that holds great potential for addressing various challenges related to sustainable living and marine exploration. These spherical habitats could offer a controlled environment for underwater research, aquaculture, or even as unique underwater residences.
The use of concrete as the primary building material is particularly promising due to its durability and ability to withstand the harsh conditions of the ocean depths. These structures could provide a safe and stable living or working space for scientists, researchers, or adventurous individuals interested in exploring the mysteries of the deep sea.
However, it's essential to consider the environmental impact of such habitats, ensuring they do not disrupt marine ecosystems or harm underwater biodiversity. Additionally, the technical and logistical challenges of construction, maintenance, and transportation to and from these habitats would need careful planning and engineering. Overall, the concept has potential, but its execution would require a multidisciplinary approach and thorough environmental assessments.
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