Categories
-
Recent Posts
Recent Comments
- energyskeptic on Is there enough renewable energy to replace fossil fuel electricity generation?
- Joe Clarkson on Is there enough renewable energy to replace fossil fuel electricity generation?
- energyskeptic on Is there enough renewable energy to replace fossil fuel electricity generation?
- Joe Clarkson on Is there enough renewable energy to replace fossil fuel electricity generation?
- Phase Linear on Critiques of Mark Jacobson’s ideas to run the world on renewable energy
Archives
- 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
- 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
- March 2011
Meta
Tag Archives: concrete
Wind turbines hit limits to growth before 50% wind power penetration
Material requirements of 50% wind power in the USA hit limits to growth Wind turbines can’t be made forever because natural gas, coal, oil, uranium (thorium), neodymium, and other energy resources and minerals needed for wind turbines are finite, and … 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
Leave a comment
A Century from Now Concrete Will be Nothing But Rubble
Photo: road abandoned since 1984 in the Florida Keys Concrete is an essential part of our infrastructure. And it’s all falling apart, as Robert Courland’s 2011 book Concrete Planet makes clear. The Romans built concrete structures that lasted over 2 … 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? It appears there’s very little testing of projects later on … 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