Responding to nearly a year’s worth of media speculation that the May 12, 2008, earthquake in China’s Sichuan province might have been triggered by the weight of a recently impounded reservoir, an international team of dam experts has returned from China reporting that such an hypothesis “is very unlikely.” Photo: International Commission On Large Dams Zipingpu Dam, reservoir not quake source. The magnitude 7.9 Wenchuan earthquake devastated vast areas of the province located in the foothills east of the Tibetan Plateau and killed an estimated 70,000 people. The epicenter was 17 kilometers from concrete-faced rockfill Zipingpu Dam. The dam is
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.