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10 buildings sustained major damage or partially collapsed in the aftermath of the September 11 attacks, and 10 others were destroyed, 2 of which were demolished due to heavy damage. [1] Several other buildings sustained varying levels of damage, including every building in the World Financial Center and most of the buildings on Vesey Street. [2]
Buildings in consequence class 1 should be designed and constructed in accordance with EN 1990 - 1999 for satisfying stability in normal use, no specific consideration (required by EN 1991-1-7) is necessary with regard to accidental actions from unidentified causes.
Residential building: 34 dead, 40 injured 1971: 2000 Commonwealth Avenue collapse: Boston, Massachusetts, US: Condominium building under construction: 4 dead, 30 injured 1971: South Bridge Koblenz, Rhineland-Palatinate, West Germany: Bridge under construction: 13 dead, 13 injured 1971: 1971 Certej dam failure: Certeju de Sus, Hunedoara County ...
Collapsed barn at Hörsne, Gotland, Sweden Building collapse due to snow weight. Structural integrity and failure is an aspect of engineering that deals with the ability of a structure to support a designed structural load (weight, force, etc.) without breaking and includes the study of past structural failures in order to prevent failures in future designs.
Progressive collapses may be accidental, as the result of design deficiencies, fire, unintentional overload, material failure or natural phenomenon (e.g. erosion, wind or earthquakes). They can also be induced deliberately as a demolition method, specifically that of building implosion, or caused by acts of terrorism or war.
The homeowners filed a breach-of-contract lawsuit, arguing the damage was caused by vibrations from blasting at the rock quarry. Court: Insurer must cover rock-mining blasting damage to Miami-Dade ...
3) and water to also form gypsum while releasing CO 2 back to the atmosphere: H 2 SO 4 + CaCO 3 + H 2 O → CaSO 4 · 2H 2 O + CO 2. The dihydrated gypsum is relatively soluble in water (~ 1 – 2 g/L) at room temperature and thus mobile. It can easily be leached by infiltration water and can form efflorescences on the concrete surface while ...
Most homeowners insurance does not cover animal damage, but there are exceptions for accidents such as a deer damaging a fence or a bird breaking a window. Potential animal risks depend on where ...