2023Partially collapsedBridge collapsesChamplain Towers SouthRubbleEntrapment2022Catastrophic2017InjuriesDamageConcreteDisproportionate2018FirefightersRescue operationSurfsideTime of the collapseEngineering StructuresProgressive collapse resistance1995BridgesSecondaryRoofHierarchicalHours of June 24DebrisChaoticWorkerPartial collapseStructural collapseAbstractAfternoonMechanicalMagnitudeLower ManhattanDynamicsAccidentalResultWeakSadekOfficialsAuthoritiesSphericalBuildingsScenarioWooden StructureStruckPeopleGarageAssessmentExperimentalBeamBrazilMechanismFiresFloorEngineersEmergencyNewsSiteCoreBuildingOpensInherentFrameworkLargeDesign
20231
- Ahead of the November 11, 2023 Governorship election in Kogi State, the African Democratic Congress (ADC) in Idah Local Government Area of the State has collapsed its structure and declared its support for Senator Dino Melaye of the Peoples Democratic Party (PDP). (theprojectornewsandpix.com)
Partially collapsed3
- DAVENPORT, Iowa ( KWQC /Gray News) - One person was "extracted" from an apartment building that partially collapsed Sunday in downtown Davenport, officials have confirmed. (wjhg.com)
- Miami-Dade Mayor Daniella Levine Cava delivers a speech during a rescue operation of the partially collapsed Champlain Towers South in Surfside, Florida on June 29, 2021. (cnn.com)
- The algorithm is based on a partially collapsed Gibbs sampler and a dual dipole random shift proposal for the non-zero positions. (hw.ac.uk)
Bridge collapses4
- When a bridge collapses or closes for repairs, it can cause massive traffic problems or strand people altogether, if they live on an island. (howstuffworks.com)
- As we go through this list of 10 reasons why bridges collapse, keep in mind that most bridge collapses are the result of multiple factors. (howstuffworks.com)
- Fortunately, earthquake-triggered bridge collapses are relatively rare. (howstuffworks.com)
- Fire might be the rarest cause of bridge collapses, but fire has brought a few bridges down in the past. (howstuffworks.com)
Champlain Towers South1
- To many residents of the Champlain Towers South, the devastating partial collapse of the 13-story structure in Surfside, Florida, in the predawn hours of June 24 came on suddenly and left them traumatized, injured or dead in a matter of seconds. (cnn.com)
Rubble3
- The true toll of the collapse, of course, remains buried in the rubble. (cnn.com)
- Grainy broadcast footage showed a crowd of rescuers trying to bring Pemba out of the rubble of the collapsed building to huge cheers from onlookers. (abc.net.au)
- A security official said Monday rescue teams continued their search for at least 15 more workers believed to be trapped in the rubble of the factory that collapsed a day earlier. (mbtmag.com)
Entrapment1
- These risks can lead to firefighter entrapment from floor collapse, burns, and asphyxiation. (cdc.gov)
20221
- A woman walks on a wall that collapsed following heavy rains in Lucknow, in the northern Indian state of Uttar Pradesh, Friday, April 16, 2022. (metro.us)
Catastrophic2
- Progressive collapse of structures refers to local damage due to occasional and abnormal loads, which in turn leads to the development of a chain reaction mechanism and progressive and catastrophic failure. (luxinzheng.net)
- Three alternative approaches to reduce the risk of catastrophic collapse are described: containment, prevention, and full-extraction. (cdc.gov)
20172
- Kordbagh, B. and Mohammadi, M. (2017) Influence of seismicity level and height of the building on progressive collapse resistance of steel frames. (jsee.ir)
- A wing of Enrique Rébsamen School completely collapsed when a 7.1 magnitude earthquake struck in September 2017. (redcross.org)
Injuries6
- Several injuries were reported Saturday afternoon when a concrete canopy structure collapsed at North Iredell High School, according to WBTV. (wral.com)
- LUCKNOW, India (AP) - Heavy rains flooded hundreds of homes, knocked out power and collapsed structures in northern India, causing 12 deaths and more injuries, officials said Friday. (metro.us)
- Three laborers died and two of them sustained injuries when the debris from an under-construction building collapsed on them on Tuesday evening in the Virar area of the Palghar district of Maharashtra, said the police. (devdiscourse.com)
- Three labourers were killed, while two sustained injuries when the debris from an under-construction building collapsed on them on Tuesday evening in the Virar area of the Palghar district of Maharashtra, said the police. (devdiscourse.com)
- Title : Preventing deaths and injuries to fire fighters by establishing collapse zones at structure fires Personal Author(s) : Loflin, Murrey E.;Tarley, Jay. (cdc.gov)
- A 55-year-old woman has died from injuries in hospital while two drivers were saved from underneath tonnes of bamboo and netting this morning after a building renovation scaffolding collapsed onto the road under the heavy wind and rain of Tropical Storm Lionrock. (transitjam.com)
Damage4
- Concern assessments included six to 12 inches of movement, and a large column hanging from the structure that could fall and cause damage to the support columns in the subterranean garage area," Cominsky said. (keyt.com)
- In 1995, the Alfred P. Murrah Federal Building collapsed as a result of the Oklahoma City bombing, which initially destroyed three columns - damage that led to the subsequent crumbling of nearly half of the building. (ednnews-12.com)
- The required performance and level of hazard (for example, the extent of initial damage that the structure should withstand) varies depending on the size, occupancy and utility of a building. (ednnews-12.com)
- Earthquakes cause damage to all structures, including bridges. (howstuffworks.com)
Concrete6
- The development of the UBT also involved studies to determine the vulnerability of different column types and the potential for steel moment frame, concrete moment frame and flat plate construction to suffer extensive structural collapse as a result of first floor column failure. (dhs.gov)
- Based on preliminary information gathered, workers were pouring concrete (also known as the casting process) into the formwork when the structure supporting the formwork collapsed. (mom.gov.sg)
- New analytical calculation models for compressive arch action in reinforced concrete structures , Engineering Structures , 2018, (168): 721-735. (luxinzheng.net)
- Experimental study of a novel multi-hazard resistant prefabricated concrete frame structure , Soil Dynamics and Earthquake Engineering , 2018. (luxinzheng.net)
- In this research, a numerical study on two reinforced concrete (RC) frame structures demonstrates that the current TF method is inadequate in increasing the progressive collapse resistance. (luxinzheng.net)
- The progressive collapse (PC) mechanism of two typical non-integrated slab and integrated cast-in-situ slab reinforced concrete (RC) frames, with different seismic fortification levels, is analyzed by the nonlinear dynamic alternate path (AP) method. (luxinzheng.net)
Disproportionate7
- Key events such as the disproportionate collapse of the Ronan Point building in London, the collapse of the Alfred Murray Building and the World Trade Centre are structural failures that have triggered more research into progressive collapse. (whiterose.ac.uk)
- The American Society of Civil Engineers (ASCE) has released the ASCE/SEI 76-23 Standard for Mitigation of Disproportionate Collapse Potential in Buildings and Other Structures , the first national building standard of its kind. (ednnews-12.com)
- Developed over the course of a decade and informed by research led by the National Institute of Standards and Technology (NIST), the standard provides design requirements and guidance to keep small, isolated failures in a structure from propagating and bringing down the entire building or a major part of it - a phenomenon the standard defines as disproportionate collapse. (ednnews-12.com)
- Disproportionate collapse has always been a risk for large buildings, but the events are rare. (ednnews-12.com)
- For years, the need for a standard in the U.S. aimed specifically at disproportionate collapse was a contentious topic among experts. (ednnews-12.com)
- It offers proven methods to analyze and design structures for disproportionate collapse but allows for cost-effectiveness and creativity. (ednnews-12.com)
- Those designing government buildings or any buildings that are critical for communities, I think, would be the first groups looking carefully at this standard," said NIST research structural engineer Fahim Sadek, a member of the same ASCE disproportionate collapse committee. (ednnews-12.com)
20181
- Load transfer and collapse resistance of RC flat plates under interior column removal scenario , Journal of Structural Engineering-ASCE , 2018, 144(7): 04018087-1. (luxinzheng.net)
Firefighters2
- We responded to a call of a collapse in the building, and we had firefighters inside the building, conducting searches. (cbsnews.com)
- Collapsed floor with firefighters at scene. (universalhub.com)
Rescue operation1
- The rescue operation at the collapsed guesthouse was fraught with risks. (abc.net.au)
Surfside1
- A woman prays in front of photos at the makeshift memorial for the victims of the building collapse, near the site of the accident in Surfside, Florida on June 27, 2021. (cnn.com)
Time of the collapse2
- The city said the owner had taken out a permit for repair work to the exterior of the building and that work was underway at the time of the collapse. (wjhg.com)
- Authorities said there were six workers in the building at the time of the collapse, and they have all been accounted for. (cbsnews.com)
Engineering Structures1
- Engineering Structures , 29 (9), 2302-2307. (jsee.ir)
Progressive collapse resistance1
- GSA (2013) Alternate path analysis & design guidelines for progressive collapse resistance, GSA Washington, DC . (jsee.ir)
19951
- Chopra, A. (1995) Dynamics of Structures . (jsee.ir)
Bridges4
- This is a list of structural failures and collapses, including bridges, dams, and radio masts/towers. (wikipedia.org)
- You may not think about the bridges you cross on your way to work, but they're far more than pretty structures that make your commute manageable. (howstuffworks.com)
- Major earthquakes can bring about the collapse of dozens of buildings, but collapsed bridges are often the most visible signs of the havoc an earthquake can wreak. (howstuffworks.com)
- Several modern bridges have also collapsed or been severely damaged due to fire. (howstuffworks.com)
Secondary3
- The fire chief said the stability of the building is a big concern for rescuers and said there were secondary collapses as crews were working the site. (wjhg.com)
- When the valvular collapse is secondary to inflammation of the mucosa covering the valve (eg, secondary to allergic rhinitis or infection), proper treatment, such as anti-inflammatory agents or antibiotics, help to resolve the problem. (medscape.com)
- Collapse secondary to mechanical obstruction is more common. (medscape.com)
Roof1
- The cause of this collapse will be determined by a forensic engineer, but initial findings show the weight from the number of vehicles parked on the roof deck, plus the age of the building, contributed to the collapse. (cbsnews.com)
Hierarchical1
- In this paper, we propose a hierarchical Bayesian model approximating the ℓ20 mixed-norm regularization by a multivariate Bernoulli Laplace prior to solve the EEG inverse problem by promoting spatial structured sparsity. (hw.ac.uk)
Hours of June 241
- The collapse happened in the early morning hours of June 24, and while some families have told miraculous stories of the mere seconds they had to process what was happening and escape, others spoke of the terror. (keyt.com)
Debris9
- Work on the debris was halted for much of the day as engineers assessed the structure still standing. (keyt.com)
- Workers and passers-by can be injured by the premature and uncontrolled collapse of structures, and by flying debris. (hse.gov.uk)
- The effect of debris, which is normally produced during a progressive collapse, has not been studied yet sufficiently. (jsee.ir)
- In this paper, the response of a building structure is investigated to consider the influence of separation of debris from one story and falling on the bottom floor. (jsee.ir)
- The obtained results indicate that the greater amount of debris leads to more intensive progressive collapse. (jsee.ir)
- This shows that debris has a considerable effect and cannot be ignored in progressive collapse analyses. (jsee.ir)
- Karns, J.E., Houghton, D.L., Hong, J.-K. and Kim, J. (2009) Behavior of varied steel frame connection types subjected to air blast, debris impact, and/or post-blast progressive collapse load conditions. (jsee.ir)
- Influence of Debris Impact on Progressive Collapse of a Steel Structure Building', Journal of Seismology and Earthquake Engineering , 22(3), pp. 59-71. (jsee.ir)
- The collapse of these structures, particularly the north and south towers, released massive amounts of dust and debris that covered lower Manhattan. (cdc.gov)
Chaotic2
- It was a chaotic scene after the garage collapsed in the middle of the afternoon. (cbsnews.com)
- Though collapse may appear to be sudden and chaotic, we can discern key structures that guide the processes of collapse. (blogspot.com)
Worker1
- Police said seven workers had been reported missing after the scaffolding collapsed but six had later been accounted for and were "safe", leaving one female worker missing. (transitjam.com)
Partial collapse1
- Our first responders rescued five of our fellow New Yorkers from the partial collapse of a parking garage on Ann Street between Nassau and William. (cbsnews.com)
Structural collapse1
- At 9:50 a.m. local time, the Aurora Fire Department received a complaint "for a structural collapse at the Gaylord in the pool area," Aurora Fire Chief Alec Oughton said at a news conference Saturday afternoon. (nogmagazine.com)
Abstract2
- Abstract £ºThe key issue of progressive collapse (PC) design method is to determine the PC resistance demand of the structures with members removed due to accidental action. (luxinzheng.net)
- Abstract £ºThe key issue of progressive collapse (PC) design for RC frame structures at large deformation stage is to calculate the PC resistance demand of the structures under catenary mechanism. (luxinzheng.net)
Afternoon2
- Emergency crews in Iowa responded to reports of the building collapse in downtown Davenport late Sunday afternoon. (wjhg.com)
- NEW YORK - One person was killed and at least five others injured when a parking garage collapsed in Lower Manhattan on Tuesday afternoon, authorities said. (cbsnews.com)
Mechanical1
- Authorities said at least six people were injured at the Gaylord Rockies Resort in Aurora, Colorado, on Saturday when a mechanical structure collapsed in the indoor pool area. (nogmagazine.com)
Magnitude1
- Furthermore, the research shows that the UK tie provision in EN1991-1-7 underestimates the magnitude of the catenary force developed under the progressive collapse scenario. (whiterose.ac.uk)
Lower Manhattan1
- The tragic garage collapse in Lower Manhattan underscores the need for regular inspections and maintenance of parking structures. (constantcontact.com)
Dynamics1
- Though the subject is complex enough to justify an entire shelf of books, these six dynamics are sufficient to illuminate the inevitable collapse of the status quo. (blogspot.com)
Accidental1
- The method statement for the demolition should identify the sequence required to prevent accidental collapse of the structure. (hse.gov.uk)
Result2
- The collapse of buildings over the last century as a result of abnormal loads has renewed interest in the field of structural engineering. (whiterose.ac.uk)
- Earthquake survivor Pema Lama, 15, is rescued by the Armed Police Force from the collapsed Hilton Hotel, the result of an earthquake in Kathmandu, Nepal April 30, 2015. (abc.net.au)
Weak2
- The empirical parameters that are adopted in the design methods of the existing codes are difficult to reasonably consider the effect of nonlinear and dynamic behavior during the PC process of building structures due to its weak theoretical basis. (luxinzheng.net)
- For example, in 2015 an earthquake killed and injured thousands of people in Nepal largely because of weak building structures, which collapsed during the earthquake. (who.int)
Sadek1
- Khandelwal, K., El-Tawil, S. and Sadek, F. (2009) Progressive collapse analysis of seismically designed steel braced frames. (jsee.ir)
Officials1
- Scott Nacheman, a structure specialist with the Federal Emergency Management Agency, said they will evaluate technical data and stakeholder information and pass along the findings to officials. (keyt.com)
Authorities1
- Egyptian authorities say rescue workers pulled 13 bodies from under a factory which collapsed in Alexandria during severe rainstorms. (mbtmag.com)
Spherical1
- Global comparison of core-collapse supernova simulations in spherical symmetry. (nature.com)
Buildings3
- And it has raised questions about whether other residential structures could be at risk in Miami-Dade County, where sea levels are rising, the salty air is corrosive and nearly two-thirds of all commercial, condo and apartment buildings are as old or older than the 40-year-old edifice that went down, according to a CNN analysis of county records. (cnn.com)
- To be sure, construction experts in Florida caution that a single deadly collapse doesn't mean other older buildings are necessarily at risk. (cnn.com)
- What we observed from the drone deployed, we observed that there are a four story building all the way pancaked, collapsed all the way to the cellar floor," Acting Department of Buildings Commissioner Kazimir Vilenchik said. (cbsnews.com)
Scenario2
- The work provides evidence that the tie beam-column web connection at the corner column is more critical under progressive collapse scenario as compared with the primary beam. (whiterose.ac.uk)
- Photo (top) and computer simulation (bottom) of a structural component experiencing forces similar to those in a building collapse scenario. (ednnews-12.com)
Wooden Structure1
- In the spring of 2011, a Hispanic male farm laborer in his 60s died when an elevated wooden structure with a nearly full 5½-foot diameter by 3½-foot tall plastic, 550-gallon water tank gave way causing the water tank to land on him. (cdc.gov)
Struck2
- Images have emerged after local media reported a four-month-old baby rescued alive after being buried under a collapsed building for 22 hours after the quake struck. (abc.net.au)
- Hispanic farm laborer struck by 550-gallon water tank when wood support structure collapsed. (cdc.gov)
People5
- The wall collapsed over huts where laborers were sleeping, killing more than 10 people. (metro.us)
- In Unnao, a town 40 kilometers (25 miles) southwest of Lucknow, another three people were killed in a house collapse following torrential rains, Pathak said. (metro.us)
- Lucia Guara, 10, and Emma Guara, 4, were identified Wednesday as two of the 18 people confirmed to have been killed in last week's collapse, Levine Cava said earlier. (keyt.com)
- Around 50 to 100 people were at the pool at the time, and it looked like part of the HVAC system had collapsed, according to the chief. (nogmagazine.com)
- One of those 3 people is the department head and would be the superior to the Assistant Commissioner of the Health Division, but the building division that inspects structures for building code compliance have little to nothing to do with the oversight of day-to-day operations of restaurants in Boston. (universalhub.com)
Garage1
- FDNY members are operating at the scene of a parking garage collapse. (cbsnews.com)
Assessment3
- Hence, this study presents an assessment of the effect of column removal time, the modelling techniques and the susceptibility of simple connections designed to Eurocode 3 Part: 1-8 to progressive collapse. (whiterose.ac.uk)
- A computationally efficient approach and column removal time for progressive collapse assessment are proposed. (whiterose.ac.uk)
- Kim, J. and Kim T. (2009) Assessment of progressive collapse-resisting capacity of steel moment frames. (jsee.ir)
Experimental1
- Despite, it is very important in the progressive collapse, based on experimental accidents. (jsee.ir)
Beam3
- Generally, during the progressive collapse, structural members experiencing significant displacements and rotations, while the beam-column connections are subjected to large tensile forces not envisaged at the conventional design phase. (whiterose.ac.uk)
- Consequently, the connection is disposed to progressive collapse with the shear force in the column and catenary action in the beam as the critical internal forces. (whiterose.ac.uk)
- In this framework, the relationship between the nonlinear dynamic and linear static PC resistance demands for RC frame structures with beam mechanism to resist PC is derived. (luxinzheng.net)
Brazil1
- This situation is probably accentuated among the miners of the city of Mariana (MG), Brazil, after the collapse of the Fundão tailings dam, on November 5, 2015. (bvsalud.org)
Mechanism2
- According to the theoretical framework of the PC resistance demand analysis based on the energy conservation principle, the relationship between the nonlinear dynamic and nonlinear static PC resistance demands for RC frame structures under catenary mechanism is derived. (luxinzheng.net)
- And the theoretical method to calculate the PC resistance demand of RC frame structures under catenary mechanism is established. (luxinzheng.net)
Fires1
- In addition, fires associated with the collapse of the WTC continued to burn for several months. (cdc.gov)
Floor2
- Sara Nir was up late, checking her email when she heard knocking sounds that went from a soft tapping to hard pounding to a frightful crash overhead - as if a wall had collapsed in the unit above her ground-floor condo. (cnn.com)
- Almost every single floor has collapsed, even the use of a robot dog couldn't go to every part of the building and someone was trapped inside of it," City Councilmember Christopher Marte said. (cbsnews.com)
Engineers2
- Instead of prescribing specifications of each component of a building's structure as many standards do, the committee decided to set performance goals for structures, giving engineers autonomy in coming up with their own design solutions. (ednnews-12.com)
- Structures Congress 2009: Don't Mess with Structural Engineers: Expanding Our Role. (jsee.ir)
Emergency3
- Emergency crews responded to the school, on Raider Road in Olin, at about 2 p.m. after a large box truck ran into the canopy structure. (wral.com)
- Heard a huge extended collapse several minutes prior to emergency vehicles arrived. (universalhub.com)
- Palestinians are subject to a variety of closures, curfews, roadblocks and restrictions that have caused a near-collapse of the Palestinian economy, rising unemployment, increased poverty, reduced commercial activities, limited access to essential services (such as water, medical care, education, emergency services) and rising dependency on humanitarian assistance. (who.int)
News1
- According to a news release, members of the fire department's Technical Rescue Team, which specializes in collapsed structures, were also dispatched to the hotel. (nogmagazine.com)
Site2
- About 8am this morning, MOM received a call from SCDF about the collapse of a structure at the construction of the Downtown Line Project Site C903 at the junction of Rochor Road and Victoria Street. (mom.gov.sg)
- The Bidens later visited a memorial wall near the collapse site where the first lady laid a bouquet of flowers. (keyt.com)
Core3
- The overarching framework of core-collapse supernova explosions as revealed by 3D FORNAX simulations. (nature.com)
- Three-dimensional core-collapse supernova simulated using a 15 M ⊙ progenitor. (nature.com)
- After invading target cells, the core structure gradually collapses. (bvsalud.org)
Building12
- Part of a building collapsed in Davenport, Iowa, on Sunday. (wjhg.com)
- The chief said the back of the six-story apartment complex had collapsed and had separated from the building. (wjhg.com)
- Given our ongoing safety concerns about the integrity of the building we're continuing to restrict access to the collapse zone," she said. (keyt.com)
- Still, Gary Slossberg, president of the National Home Building and Remodeling Corporation, a construction company in Boca Raton, Florida, said the collapse is "a wake-up-call on many fronts" and may lead to changes in laws or regulations about the frequency of building inspections. (cnn.com)
- The building was continuing to collapse. (cbsnews.com)
- We responded to a call of a collapse in the building. (cbsnews.com)
- At the conclusion of its WTC investigation, NIST highlighted the need for a standard geared at mitigating these collapses along with guidelines and tools for building design. (ednnews-12.com)
- Fu, F. (2009) Progressive collapse analysis of high-rise building with 3-D finite element modeling method. (jsee.ir)
- The building was structurally unsound due to the crash and gave the appearance that it could collapse at any minute, but Deputy Mendez went inside anyway to check on the driver and render assistance," said Sheriff's Sgt. (cdllife.com)
- Or the Assistant Commissioner of Building & Structure? (universalhub.com)
- Reports indicated that at approximately 5:30 PM, a third tower in the WTC complex, Building Number 7, also collapsed. (cdc.gov)
- Wednesday evening, September 12, another building within the WTC complex collapsed. (cdc.gov)
Opens1
- Toward the north, this crater-like structure opens toward the Gordo megabed of the Tabernas Basin. (lu.se)
Inherent1
- FBI agents investigate the collapse of the I-35W Bridge in Minneapolis, a disaster apparently caused by an inherent design weakness. (howstuffworks.com)
Framework1
- A theoretical framework of the PC resistance demand analysis for RC frame structures is established based on the energy conservation principle. (luxinzheng.net)
Large2
- Early humans shaped and joined two large logs to make a structure. (mbtmag.com)
- Through the examination of these works, this study shows that social structure and historical context have a large impact on the genre, and it identifies topics and themes tying these together. (lu.se)
Design3
- However, in existing design guidelines and codes throughout the world, there is a lack of a codified modelling technique for progressive collapse. (whiterose.ac.uk)
- The tie force (TF) method is one of the major design techniques for resisting progressive collapse, whereby a statically indeterminate structure is designed through a locally simplified determinate structure by assumed failure mode. (luxinzheng.net)
- For example, a flood that damages bridge piers might not have caused a collapse -- except for a design flaw and poor maintenance. (howstuffworks.com)