Tag Archives: concrete

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

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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

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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 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

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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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