Road cave-in caused by corrosion in slab

MUMBAI: The Andheri (E) road cave-in on Tuesday was caused by corrosion of steel in a slab, it has been revealed prima facie. Consultant D S Joshi, who made the submission to the BMC, told TOI that material from the site had been sent for laboratory tests to ascertain the reasons for the corrosion. “I [...]

Hammersmith tunnel ‘solution to crumbling flyover’

A west London council has said building a tunnel is the long-term solution to replace a “crumbling” flyover. The Hammersmith Flyover has been under repair works since December and is scheduled to reopen fully on 30 May. Hammersmith and Fulham Council said: “We must continue to push for an alternative solution, and that is a [...]

Corrosion Work on George Washington Bridge will take 10 years

Peter Zipf sounds more cardiologist than civil engineer when he talks about subjecting the George Washington Bridge to the equivalent of the classic battery of tests for heart disease and finding the first signs of plaque. “It really is a little like giving somebody an EKG and checking their cholesterol levels,” said Zipf, the Port [...]

EPA: US needs $300B in sewer, water work

A federal study shows municipalities nationwide need more than $300 billion worth of essential upgrades to long overlooked water and sewer systems over the next 20 years. The need is acute in Northeastern states with older systems like New York, which needs $29.7 billion worth of improvements, U.S. Sen. Charles Schumer said Wednesday. But he [...]

Corrosion threat on Ohio bridge deck discovered

Grout packed into bundles of steel cables that compress the Veterans’ Glass City Skyway’s concrete deck sections together may contain elevated levels of salts that would cause those cables to corrode prematurely, the grout’s manufacturer has warned the Ohio Department of Transportation. The I-280 bridge over the Maumee River, which opened five years ago, is [...]

Radiation, rust seen in tsunami-hit Japan reactor

The first look inside one of Japan’s tsunami-hit nuclear reactors showed radiation, steam and rusty metal surfaces scarred by 10 months’ exposure to high temperatures and humidity. The steam-blurred photos taken by remote control Thursday found none of the reactor’s melted fuel but confirmed stable reactor temperature and showed no major damage or ruptures caused [...]

Race against clock to fix vital transport artery for Olympics

London faces a race against time to repair a crucial flyover which will carry traffic into the capital for this summer’s Olympics, according to one of Britain’s leading structural engineers. As we posted last week, the Hammersmith Flyover, which carries 90,000 vehicles a day on the A4, the road between central London and the West, including [...]

South Bismarck sewer repairs continuing

Crews were seen repairing a corroded sewage pipe and keep raw sewage from seeping into homes in south Bismarck. The city’s utility operations director, Keith Demke, said the workers were not successful in stopping the leak Wednesday night, and he said more work is required. “We are asking residents in the affected area to continue [...]

Serious corrosion fears keep vital road in London closed

Transport for London has been forced to keep the vital A4 Hammersmith flyover closed for further inspections because of serious corrosion of steel supporting cables. Problems with external concrete sprawling have been known about for several years, but engineers have called for extra time to assess the extent of damage within the 900m bridge structure. [...]

Call for funds to fix Melbourne’s Loop problems

  MELBOURNE’S City Loop has ”heavy” concrete corrosion, water ”leaching all over the place” and emergency systems that should be improved, inspections by Victoria’s independent transport safety watchdog have revealed. Alan Osborne, the man in charge of safety on Victoria’s rail system, has called on the Baillieu government to commit significant funds to fix the [...]