Category Archives: Concrete

An essential part of our infrastructure and it’s all falling apart because of the rusting rebar

Unpave low traffic roads to save energy and money

The U.S. has 4.1 million miles of roads (1.9 million paved, 2.2 million gravel). About 3 million miles of roads have less than 2,000 vehicles a day, less than 15% of all traffic. The paved portion of these low-volume roads … Continue reading

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Biggest Waste of Wealth in All of history: America’s Interstate Highway system

A book review by Alice Friedemann of: Swift, Earl. 2012. The Big Roads: The Untold Story of the Engineers, Visionaries, and Trailblazers Who Created the American Superhighways. Related articles $46 Trillion Infrastructure in USA, $6 Trillion is Transportation Expressways & … Continue reading

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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

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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. Courland writes that some of our infrastructure may last … Continue reading

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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

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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

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