Categories
-
Recent Posts
- What on earth is exergy?
- Why Concentrated Solar Power is not a good choice for a 100% Renewable Energy System
- Solar PV requires too much land to replace fossils
- 75% of Earth’s Land Areas Are Degraded. Environmental damage threatens 3.2 billion people.
- One less worry: the magnetic field flipping between north and south poles is not the end of the world
Recent Comments
- energyskeptic on Germany’s wind energy mess: As subsidies expire, thousands Of turbines to close
- Robert Callaghan on Germany’s wind energy mess: As subsidies expire, thousands Of turbines to close
- EnergynEntropy on What on earth is exergy?
- steve c on What on earth is exergy?
- Jeff W. on What on earth is exergy?
Archives
- December 2018
- November 2018
- October 2018
- September 2018
- August 2018
- July 2018
- June 2018
- May 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- October 2017
- September 2017
- August 2017
- July 2017
- June 2017
- May 2017
- April 2017
- March 2017
- February 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
- August 2016
- July 2016
- June 2016
- May 2016
- April 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- July 2014
- June 2014
- May 2014
- April 2014
- March 2014
- February 2014
- January 2014
- December 2013
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- June 2013
- May 2013
- April 2013
- March 2013
- January 2013
- December 2012
- November 2012
- October 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- July 2011
- June 2011
- April 2011
- March 2011
- January 2011
- January 2010
Meta
Please follow & like us :)
Tag Archives: concrete
Climate change may corrode concrete even faster
[ I’ve paraphrased and shortened this article about how climate change will corrode concrete faster in the future from increasing carbon dioxide levels, and in coastal cities, from the chloride ions in sea spray. After that is the introduction section … Continue reading
China consumes mind-boggling amounts of raw materials
September 10, 2015. China Consumes Mind-Boggling Amounts of Raw Materials. Visual Capitalist. Over the last 20 years, the world economy has relied on the Chinese economic growth engine more than it would like to admit. … Continue reading
Posted in ! PEAK EVERYTHING
Tagged aluminum, china, concrete, copper, minerals, nickel, steel
4 Comments
Wind turbines hit limits to growth before 50% wind power penetration
Material requirements of 50% wind power in the USA hit limits to growth Also see: Davidsson, S., et al. 2014. Growth curves and sustained commissioning modelling of renewable energy Investigating resource constraints for wind energy. Energy Policy. Fizaine, F., et … Continue reading
Posted in Alternative Energy Resources, Electrification, Limits To Growth, Renewable Integration, Wind
Tagged cement, concrete, copper, dysprosium, expoxy, fiberglass, iron, limits to growth, neodymium, steel, turbines, wind
2 Comments
Peak Sand
Sand Primer: Without sand, there would be no concrete, ceramics, computer chips, glass, plastics, abrasives, paint and so on We can’t use desert sand because it’s too round, polished by the wind, and doesn’t stick together. You need rough edges, … Continue reading
A Century from Now Concrete Will be Nothing But Rubble
Photo: road abandoned since 1984 in the Florida Keys By Alice Friedemann www.energyskeptic.com author of “When Trucks Stop Running: Energy and the Future of Transportation”, 2015, Springer and “Crunch! Whole Grain Artisan Chips and Crackers”. Podcasts: KunstlerCast 253, KunstlerCast278, Peak … Continue reading
Posted in Concrete, Infrastructure, Infrastructure, Predictions, Roads
Tagged CO2, collapse, concrete, Concrete Planet, corrosion, Courland, energy, greenhouse gas, infrastructure, roads, transportation, trucks
3 Comments
Why is modern concrete falling apart?
Here’s more information from Courland’s book “Concrete Planet” and other information I found on the web since I wrote Enough energy after Peak Oil to rebuild and repair concrete infrastructure? Lawrence Berkeley National laboratory has been trying to figure out … Continue reading
How long will concrete last if it isn’t maintained?
As energy grows scarcer and is devoted to growing food and other life-support services, our infrastructure will crumble. Bob Holmes. 12 Oct 2006. Imagine Earth without people. NewScientist.com Lack of maintenance will spell an early demise for buildings, roads, bridges … Continue reading
