Visit our Big Dig special report page for full coverage and photos of the tunnel collapse. "We filed all of the ICBO reports showing the correct use for each type of material," said Schartzman. ICBO ...
Read more on the Big Dig materials failure and see appalling aftermath photos and diagrams at Design News' Big Dig coverage page. A key Massachusetts highway engineer refused approval of a ...
The National Transportation Safety Board found on July 10 that improper epoxy use, poor or misleading product information and lack of follow-up inspections were the critical factors that led to a ...
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