Categories
-
Recent Posts
- Oil choke points vulnerable to war, chaos, terrorism, accidents, & piracy
- Nuclear weapons must be reduced or we risk nuclear winter
- Fusion is already running out of fuel
- Peak Oil is Officially Here! World oil production peaked November of 2018
- Wood, the fuel of preindustrial societies, is half of EU renewable energy
- Rare Earth updates: recent research on why complex & intelligent life are rare in the Universe
- Book review of “Chip War” and the Fragility of microchips
- The tremendous material and energy toll of the digital economy
- Nuclear attack on U.S. could kill 90% of Americans
- What percent of Americans are rational?
- Book review of Lights Out. A Cyberattack. A Nation Unprepared. Surviving the Aftermath
- Off-Road vehicles & equipment need diesel fuel
- Book review of “Prime Movers of Globalization: the History & Impact of Diesel Engines & Gas Turbines”
- Mental Health. Coping with the future: notes from Jackson & Jensen’s “An Inconvenient Apocalypse”
- Tesla Semi trucks hauling corn chips
Category Archives: Concrete
Unpave concrete & asphalt to save energy and money
Preface. 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 … Continue reading
Posted in Concrete, Roads, Transportation, Transportation What To Do
Tagged depave, roads, unpave
2 Comments
Skyscrapers: A bad idea as energy declines
Preface. One reason Paris is such a lovely city is that it was built to human scale, with buildings of five stories or less, because that was about as high as people were willing to climb, so not surprisingly, rents … Continue reading
Posted in Blackouts, Blackouts Electric Grid, Concrete, Earthquakes, Hurricanes, Infrastructure & Collapse, Infrastructure & Fast Crash, North Korea
Tagged concrete, electric grid, elevator, high-rise, North Korea, peak oil, skyscraper
Comments Off on Skyscrapers: A bad idea as energy declines
A Century from Now Concrete Will be Nothing But Rubble
Photo: road abandoned since 1984 in the Florida Keys Preface. Much of the material that follows is based on Robert Courland’s 2011 book Concrete Planet, which explains why concrete is an essential part of our infrastructure. And it’s all falling … Continue reading
How sand transformed civilization
Preface. No wonder we’re reaching peak sand. We use more of this natural resource than of any other except water. Civilization consumes nearly 50 billion tons of sand & gravel a year, enough to build a concrete wall 88 feet … Continue reading
Posted in Concrete, Peak Sand
Tagged civilization, peak sand, sand
Comments Off on How sand transformed civilization
Peak Sand
Preface. With world peak oil production in 2018 so far (Peak oil is here!) it looks like peak sand won’t be the main factor in the fall of our fossil-fueled civilization. After all, oil makes all materials and activities possible, … Continue reading
Posted in Biodiversity Loss, Concrete, Peak Sand, Soil
Tagged biodiversity, concrete, ecosystem destruction, food loss, peak sand, shoreline erosion
Comments Off on Peak Sand
Concrete: the most destructive material on Earth
Preface. Some of the points I found most alarming or interesting: After water, concrete is the most widely used substance on Earth. Concrete is a thirsty behemoth, sucking up almost a 10th of the world’s industrial water use. This often … Continue reading
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
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
Posted in Concrete, Infrastructure Books, Roads, Transportation, Transportation Infrastructure, Trucks
Tagged damage, highway, interstate, truck
Comments Off on Biggest Waste of Wealth in All of history: America’s Interstate Highway system
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