Series of deficiencies blamed for Skagit River Bridge collapse
Last year’s collapse of an interstate highway bridge in Washington State was ultimately caused by a series of deficiencies in a system intended to safeguard the passage of oversized loads, the USA's National Transportation Safety Board has said.
Contract let for Hong Kong-Zhuhai-Macao Bridge monitoring
CCCC Highway Consultants has been appointed for the Hong Kong-Zhuhai-Macao Bridge’s intelligent health monitoring project, with a bid value of US$11m. The structural monitoring system will cover all the main structures including the bridges and tunnel sections as well as the settlement of the man-made island. The bridge work covers three navigable bridges and four non-navigable bridges. The tunnel monitoring includes both the island section and the immersed tube, with total[..]
Bridge demolition set to reveal clues about 'fracture-critical' spans
A civil engineer at Purdue University in the USA is taking advantage of the demolition of a bridge spanning the Ohio River to learn more about collapse in efforts to reduce the annual cost of inspecting large spans. "We are looking at 'after-fracture redundancy,' or whether a bridge does remain standing after a key element fails," associate professor of civil engineering Robert Connor. "There is a lot of interest now in this issue because bridges classified as[..]