please give short respond to this article? It\'s important to note that most bui
ID: 1717314 • Letter: P
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please give short respond to this article?
It's important to note that most building envelopes fail during high wind speeds due to the inadequate design attention. However, it's also important to note that well designed buildings, well-constructed and sufficiently maintained office may be damaged by extremely strong winds way above what the original design was constructed to sustain. This can arise due to factors such as material deterioration and roof system abuse. Generally roof failures arc attributed to light weigh roofing materials for example the use erf- 26 gauge galvanized roofing sheets or aluminum sheeting which have very low density to withstand moderately strong winds. In other cases the roof can remain intact in the event of a wind storm but then damaging windows and walls (David, Kyung and Rosowsky 716). Wind damage results from wrenching and bending forces arising from gusting winds and the increase in intensity of wind speeds. Doubling wind speeds results in four times damage of structures and if the building is weakly tied to its foundation, the walls become overwhelmed by the push and pull forces experienced hence collapsing starting a: the roof with the failure leaning in the wind direction. The uplifting effect of roof tops is as a result of difference in the speed of the wind up the roof. The entire roof can lift due to lower pressures present on the leeward side (Heneka. Patrick and Bodo 3607). The following are wind speed sizes and the potential damages involved on the roofs.Explanation / Answer
>> I completely agree with this article.
>> Actually, when high speed wind strikes the structure, suppose at a point A which is at height 'h' ffrom the ground, then as wind will apply a force and due to this, a moment generates and so, this moment will try to rotatethe structure, but will be resisted by rigidity and stiffness of structure.
>> But, at a particular tim, when it crosses the limit, it will fail.
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