The crawler excavator operator in this incident had a close call when the bridge being demolished collapsed unexpectedly. The accident happened in Norway during the demolition of an old highway bridge.
June 18, 2013
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The crawler excavator operator in this incident had a close call when the bridge being demolished collapsed unexpectedly. The accident happened in Belgium during the demolition of an old highway bridge.
Long reach demolition excavators are now special purpose machines, Dan Gilkes reports
The majority of construction equipment manufacturers offer a range of demolition specific machines, built to meet the needs of a sector of the industry that works its plant harder than most. Reinforced structures, additional hydraulic services, cab and body protection, dust suppression and additional engine air cleaners are just some of the standard alterations required by the demolition contractor.
For many years exca
Long reach demolition excavators are now special purpose machines, Dan Gilkes reports. The majority of construction equipment manufacturers offer a range of demolition specific machines, built to meet the needs of a sector of the industry that works its plant harder than most.
The Donora-Webster Bridge over the Monongahela River in the US has been demolished using explosives. The ageing structure spanned the Monongahela River, connecting Washington and Westmoreland Counties in Pennsylvania. The bridge was built in 1908 and originally carried a rail link but in 1938 the tracks were removed and the structure was modified so that it could handle motor vehicle traffic instead. The Donora-Webster Bridge linked Route 837 on the west side of the Monongahela River with Route 906 on the east bank.
You learn from your failures, not your successes. That was the overall message for delegates during the day-two morning session on the impact of engineering structural failures. These lessons are also too often “painful”, said Anne-Marie Leclerq, deputy minister for infrastructure within the ministry of transport for the Canadian province of Quebec. On September 30, 2006, a span of the six-lane Concorde Bridge in Laval, near Montreal, collapsed crushing to death five people and injuring six. Only recently
