New York City crane collapse linked to company and …
Part of the extension arm from a hi-rise construction crane lies crashed against a cement truck, Thursday July 27, 2023, in New York. The crane caught fire …
Railroad bridge platform collapse leaves at least 26 victims …
A construction platform adjacent to a railroad bridge in northeastern India collapsed Wednesday, leaving dozens of workers dead.
OSHA not always holding accountable employers who skimp …
An OSHA investigation alleges that WBW Construction failed to provide trench protection and exit ladders at regular intervals, two of the same failures the …
Blue Iron Foundations & Shoring, LLC | U.S. Leader in Silent …
Looking for reliable foundations and shoring services? Blue Iron Foundations & Shoring is your trusted partner in the US construction market.
Application of machine learning technology for
Using text mining and machine learning techniques for construction accident research. ... The severity of construction collapse accidents is found to be strongly correlated with construction plan design and review, operator competency development and education, contractor qualification review, and emergency planning and …
Heavy Construction Equipment | John US
Our heavy equipment selection from John includes haul trucks, front end loaders, dozers, excavators and much more. Explore our heavy equipment line up to find your perfect combination of heavy machinery.
OSHA inspects four firms after workers' deadly fall from …
'He always made you laugh:' Family mourns ironworker who fell from scaffolding. OSHA has launched investigations into four firms: Turner Construction, Hi …
9.1 The Second Industrial Revolution
These nations harnessed the power first of water and then of steam and began the mass production of goods such as textiles, iron, and steel. Perhaps most significantly, they also manufactured machines that produced parts for other machines, such as spinning jennies and flying shuttles.
What Caused the Bronze Age Collapse? | HISTORY
More than 3,200 years ago, the Mediterranean and Near East were home to a flourishing and interconnected Bronze Age civilization fueled by lucrative trade in valuable metals and finished goods ...
Five Disasters Caused by Corrosion | | PCI …
"An engineering firm hired by the university said the collapse likely was caused by the failure of one of the four hangar rods that suspended the balcony from the …
India tunnel collapse: Some of the 40 workers trapped are …
Construction workers are trapped in a collapsed road tunnel for a fourth day. Falling debris and technical glitches delayed the work to free them.
Uttarakhand tunnel collapse: 900 mm pipe being inserted using Auger machine
A 900mm diameter pipe with the help of the Auger machine is being inserted at the tunnel site, news agency ANI reported, quoting disaster management officials. ... News / India News / Uttarakhand ...
Iron Age ‑ Timeline, Technology & Facts | HISTORY
The Iron Age was a period in human history that started between 1200 B.C. and 600 B.C. During the Iron Age, people across much of Europe, Asia and parts of Africa began making tools and weapons ...
Uttarakhand Tunnel Collapse Highlights: Rescue op to …
The fourteenth day of the rescue operation to save 41 construction workers trapped in the under-construction Silkyara-Barkot tunnel witnessed what rescuers believe is a significant setback, when the auger joint of the drilling machine broke inside the rescue pipes and blocked the passage.
Assessing the factors affecting building construction collapse …
Building construction collapse in Nigeria has become a subject of international concern in recent times due to numerous lives and properties being wasted yearly. This study presents a brief statist...
Iron workers injured in construction accident at South Station
Multiple workers said a crane was lifting prefabricated structures to the top of the construction site at Boston's South Station on Friday when one accidentally hit a …
Construction Incidents Investigation Engineering Reports
April 2017: Investigation of the October 19, 2016, Collapse of Two Scaffold Platforms during Climbing in Miami, Florida. Two scaffolds, known as Doka Xclimb 60 loading …
The Evolution of Tunnel Boring Machines
There are a variety of different types of machinery used to excavate tunnels. "Tunnel boring machines" use a rotating cutting head that engages with the entire face of the tunnel at once.
Core-collapse | COSMOS
Iron, however, is the most stable element and must actually absorb energy in order to fuse into heavier elements. The formation of iron in the core therefore effectively concludes fusion processes and, with no energy to support it against gravity, the star begins to collapse in on itself. The star has less than 1 second of life remaining.
Construction Incidents Investigation Engineering Reports
This webpage includes forensic engineering investigation reports of catastrophic incidents conducted by the Occupational Safety and Health Administration (OSHA), Directorate of Construction – Office of Engineering Services.
Firm in Fatal J.F.K. Trench Collapse Broke Safety Rules, …
Two construction workers killed in a trench collapse at Kennedy International Airport in April died while removing soil from beneath a concrete slab that the Bronx firm employing them failed to ...
Bronx Construction Accident: Machine Topples on …
A construction machine toppled onto a Colden Avenue home in the Bronx Monday, authorities say. ... Investigators with the Department of Buildings responded to the collapse site on Colden Avenue in ...
The Collapse of the Quebec Bridge, 1907 | Failure Case Studies
Collapse. Meanwhile, back at the construction site, at about the same time the decision-makers in Phoenixville were ending their meeting, the Quebec Bridge collapsed at 5:30 p.m. The thunderous roar of the collapse was heard ten km (six miles) away in Quebec (p.80, Middleton, 2001).
'Totally avoidable': state faults, fines companies in collapse of
Among those killed in the collapse were two ironworkers who had been working on the crane and two people traveling in cars on Mercer Street. Crews were …
Kelowna crane collapse: A second crane collapse in Canada has
Four people are dead and one is missing after a crane collapsed at a construction site in Canada Monday, officials said. The collapse comes just days after another crane collapsed in Toronto.
Close Calls: Collapse Traps Michigan Firefighter
Billy Goldfeder reviews an incident in which part of a roof façade and wall falls onto firefighter during extinguishment activities.
The Historical Transformative Impact of Cast Iron in Construction
Cast iron, a material that played a pivotal role during the Industrial Revolution, became a cornerstone in the construction of buildings, bridges, and various other structures. Its rise to prominence in the architectural world was not merely a matter of chance but a result of its unique properties and the technological advancements of the time.
Neutron Stars Formation and Core Collapse Supernovae
1.1.1 Core-Collapse Supernovae and Their Importance. Neutron stars (NS) appear at the end point of the evolution of massive stars (M > 8 M ⊙).At this stage, most of these stars have grown an iron core that cannot be …
25 years ago, a crane collapse killed three Miller Park construction …
25 years ago, Milwaukee's Miller Park construction halted after a crane collapsed, claiming the lives of three workers. Here's what the scene looked like.
Tragedy and pride mark 100th anniversary of Quebec City…
While Quebec City is celebrating its 100th anniversary of the Pont de Québec this weekend, a sombre ceremony also paid tribute to the 89 people who died during its construction.