Tag

Structural Failure

All articles tagged with #structural failure

local6 days ago•16 min saved

Midtown Manhattan high-rise stabilized as investigators probe buckled columns

A Midtown Manhattan high-rise formerly Pfizer HQ buckled due to extra load from added upper floors and was evacuated. Crews have installed temporary shoring and are stabilizing the structure while a city DOB-led investigation determines the cause and how to prevent recurrence. The developer says the building is stabilized and will be rebuilt without delaying overall delivery. Four nearby buildings remain evacuated, and unions are raising concerns about non-union labor on the project.

via CNN|

#high-rise #local #metroloft

science21 days ago•3 min saved

NIST: Surfside Collapse Fueled by Early Structural Failures and Code Gaps

The final NIST report says the 2021 Surfside Champlain Towers South collapse began weeks earlier, with failing garage connections and an inadequately designed pool deck, worsened by later alterations that stressed an already weak structure. Noncompliant design with code standards, plus corrosion and leaks, left margins too narrow and set the stage for the disaster that killed 98 and spurred condo-reserve reforms.

via The Guardian|

#building-codes #champlain-towers-south #nist

local22 days ago•7 min saved

NIST pinpoints early column failures weeks before Surfside collapse

Federal investigators found that Champlain Towers South’s collapse was preceded by a three-week period of progressive failures: cracks grew as the pool-deck garage columns failed and weight was redistributed to weaker adjacent slabs, ultimately causing part of the 12‑story building to fall in June 2021, killing 98 people.

via WPLG Local 10|

#champlain-towers-south #condo-collapse #local

local9 months ago•1 min saved

Multiple Injured in Balcony Collapse Near University of Cincinnati

A balcony at off-campus University of Cincinnati housing collapsed, injuring at least 10 people, with one critically, prompting an investigation into the possible role of weight and structural issues.

via NBC News|

#balcony-collapse #injuries #investigation

world10 months ago•2 min saved

Pool deck design flaws likely caused Surfside condo collapse, officials say

Federal investigators preliminarily concluded that the deadly 2021 Surfside condo collapse likely started in the pool deck due to design flaws and low safety margins, with the failure beginning more than seven minutes before the building fell, confirming earlier suspicions and highlighting longstanding structural issues.

via ABC News|

#champlain-towers-south #investigation #pool-deck

science-and-technology1 year ago•2 min saved

Report Reveals Arecibo Telescope's Collapse Linked to Its Own Radar

A report by the National Academies of Sciences, Engineering, and Medicine has identified "zinc creep" as the cause of the Arecibo Observatory's radio telescope collapse in Puerto Rico. The zinc-filled sockets supporting the steel cables failed, leading to the platform's fall. The report suggests low-current electroplasticity may have accelerated the zinc's deformation. Recommendations include further study of the remaining components and better monitoring of aging facilities. The telescope, once a key research tool, will not be rebuilt, but a $5 million education center is planned for the site.

via NBC News|

#arecibo-observatory #national-science-foundation #radio-telescope

science1 year ago•3 min saved

Arecibo Observatory Collapse Linked to Cable and Socket Failures

The collapse of the Arecibo Observatory in 2020 was primarily caused by long-term zinc creep-induced failure of the telescope's cable spelter sockets, as detailed in a report by the National Science Foundation and the University of Central Florida. The structural failure began after Hurricane Maria in 2017, which subjected the telescope to unprecedented stress. Despite inspections and delayed repairs, the hidden degradation of cable mechanisms was not identified, leading to the eventual collapse. The site will be transformed into an educational center, Arecibo C3, to inspire future astronomers.

via Space.com|

#arecibo-observatory #hurricane-maria #radio-telescope

science1 year ago•4 min saved

Unveiling the Fate of Arecibo Observatory

The Arecibo Observatory in Puerto Rico, once the world's largest radio telescope, collapsed in December 2020 due to weakened infrastructure from zinc creep-induced failure in cable sockets and damage from Hurricane Maria. A recent report by the NSF and the University of Central Florida attributes the collapse to these factors, compounded by delayed and misdirected repairs. The observatory, known for significant astronomical discoveries, will be transformed into an education center focused on science, computing, and community.

via Phys.org|

#arecibo-observatory #hurricane-maria #nsf

science-and-technology1 year ago•2 min saved

Unveiling the Causes Behind Arecibo Observatory's Collapse

A new report on the collapse of the Arecibo Telescope suggests that the failure of zinc spelter sockets, which anchored the support cables, was accelerated by a phenomenon called electroplasticity. This effect, potentially caused by electrical currents from the telescope's powerful transmitters, may have increased the plasticity of the zinc, leading to its deformation over time. The report also notes that the collapse might have been initiated by Hurricane Maria, which struck Puerto Rico 39 months prior. The findings highlight a unique failure mechanism possibly specific to Arecibo, warranting further investigation.

via Hackaday|

#arecibo-telescope #electroplasticity #hurricane-maria

science-and-technology1 year ago•4 min saved

Unveiling the Causes Behind Arecibo Observatory's Collapse

The Arecibo Observatory in Puerto Rico, once the world's largest radio telescope, collapsed in December 2020 due to weakened infrastructure from zinc creep-induced failure in cable sockets and damage from Hurricane Maria. A recent report by the NSF and the University of Central Florida attributes the collapse to these factors, compounded by delayed repairs. The observatory, known for significant astronomical discoveries, will be transformed into an education center focused on science, computing, and community.

via Universe Today|

#arecibo-observatory #hurricane-maria #nsf

accidents-and-disasters2 years ago•6 min saved

"Baltimore Key Bridge Collapse: Recovery, Reconstruction, and Port Crisis"

Two bodies have been recovered from the Patapsco River after the collapse of Baltimore’s Francis Scott Key Bridge, with four others still missing; President Biden has approved $60 million in initial aid to rebuild the bridge, while questions remain about the collision and the structural failure; a construction worker miraculously survived the collapse despite not knowing how to swim; the Coast Guard and Army Corps of Engineers will work on making the port fully operational again; experts are investigating the structural failure and the impact on trade from the tragedy.

via The Independent|

#accidents-and-disasters #baltimore #federal-funds

local-news2 years ago•2 min saved

"Key Insights from Preliminary Investigation into Surfside Condo Collapse"

The preliminary report released by the U.S. Department of Commerce's National Institute of Standards and Technology (NIST) on the Surfside condo collapse points to design defects in construction and a lack of meeting safety standards, including those in effect back in 1979 when the building was first constructed. Investigators have identified the pool deck as the likely starting point of the collapse, with moderate strength deficiencies in several columns and compromised concrete leading to corrosion. The collapse of the pool deck preceded the building's collapse by more than four minutes, but the exact initiation point is still under investigation. The goal of the investigation is to bring about improvements in building codes and practices to prevent similar tragedies in the future.

via CBS Miami|

#building-design-defects #construction-safety-standards #local-news

infrastructure2 years ago•3 min saved

Bridge Breakdown: Washington Bridge Closure Causes Commuter Chaos and Prompts Alternative Solutions

A critical support rod on the Washington Bridge in Rhode Island broke, causing a major structural failure and leading to the partial closure of the bridge. The bridge, which carries Interstate 195 and serves as a key gateway to Providence, was already in poor condition and had been flagged for rehabilitation. The repair work is expected to take months, causing significant traffic disruptions. State authorities have requested federal assistance to expedite the repairs and optimize traffic management during the construction period.

via Boston.com|

#bridge #infrastructure #rhode-island

disasters3 years ago•3 min saved

Draper Homes Collapse Due to Retaining Wall and Slope Failure.

Two homes in Hidden Canyon Estates in Draper collapsed due to a retaining wall and hillside slope failure. The homes were evacuated in October after Draper building officials revoked the certificates of occupancy for the residences. The city declared both homes “unfit for human habitation” due to dangerous conditions in soil shifting and breaks in the homes’ foundations. Edge Homes, the homebuilder, plans to pay for relocation, storage, and temporary housing expenses of the homeowners on either side of the slide area. The exact cause of the collapse is still unknown, but Utah Geological Survey scientists are seeing ground movement in the Wasatch foothills, and landslides and erosion could be a problem across Utah this spring.

via Salt Lake Tribune|

#disasters #draper #edge-homes