{"href":"https://api.simplecast.com/oembed?url=https%3A%2F%2Ffall-of-nations.simplecast.com%2Fepisodes%2Fchina-engineered-a-national-disaster-EROYLjmy","width":444,"version":"1.0","type":"rich","title":"China ENGINEERED a National DISASTER","thumbnail_width":300,"thumbnail_url":"https://image.simplecastcdn.com/images/c5b0ec5e-3c97-4d36-bd98-e834a47e256e/b6082005-24d5-466b-b977-395d818df7f7/cropped_1791215028094.jpg","thumbnail_height":300,"provider_url":"https://simplecast.com","provider_name":"Simplecast","html":"","height":200,"description":"For twenty years, China did something no country in history had ever attempted.\n\nIt built entire cities almost overnight. High-speed rail crossed thousands of kilometres. Skyscrapers appeared where villages had stood only years earlier. Between 2011 and 2013 alone, China consumed roughly 6.4 gigatons of cement — substantially more than the United States used throughout the entire twentieth century.\n\nBut there was a problem hidden inside that achievement.\n\nChina could build faster than almost anyone could produce some of the materials required to build properly.\n\nAnd eventually, the numbers stopped making sense.\n\nIn Shenzhen, inspectors discovered suppliers using inadequately processed sea sand in concrete. Salt trapped inside concrete can penetrate toward reinforcing steel, triggering corrosion that expands from within and eventually cracks the surrounding structure.\n\nThe problem became serious enough that dozens of concrete suppliers were investigated and construction was temporarily stopped on projects including what would become the Ping An Finance Center.\n\nThen engineers studying China's enormous high-speed rail expansion raised another uncomfortable question.\n\nChina was constructing thousands of kilometres of railway every year, yet researchers warned that the available supply of high-quality fly ash — an important ingredient in some high-performance concrete — was nowhere near sufficient to meet demand at that scale.\n\nThe railway didn't collapse. China's high-speed system remains one of the largest and busiest on Earth.\n\nBut that may actually be the more interesting story.\n\nPoor concrete does not necessarily fail immediately.\n\nA structure can pass inspection, look perfectly normal and operate for years while corrosion or premature degradation progresses invisibly inside it.\n\nThen there is Ocean Flower Island.\n\nEvergrande spent billions creating an enormous artificial island off Hainan filled with hotels, attractions and tens of thousands of homes. Years later, residents began publishing images and complaints describing cracking concrete, deteriorating columns and heavily corroded reinforcement in relatively young buildings.\n\nTaken individually, these incidents can be explained as separate construction problems.\n\nTogether, they expose something much larger.\n\nChina's construction boom demanded buildings, bridges, railways and entire cities faster than the supply chain could comfortably provide the materials required to build them.\n\nThe engineering itself wasn't fake.\n\nChina genuinely developed world-class construction technology and created infrastructure at a scale few countries could replicate.\n\nThe vulnerability was the system surrounding it.\n\nWhen development became the economic engine, contractors faced enormous pressure to build faster, cheaper and on a scale the world had never seen before.\n\nAnd concrete has an unusual property that makes that dangerous.\n\nMistakes can remain invisible for decades.\n\nChina's great infrastructure boom therefore created an experiment whose final result may only now be beginning to appear:\n\nWhat happens when a country builds faster than its materials can keep up?"}