由美国的飓风想起美国的房子
送交者：zt
送交时间：2005/10/21 12:47
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造个房子也快，两层的家居一个月就完工。可是，习惯了中国钢筋混凝土公寓，美国的房子总给人一种偷工减料的感觉。难怪有龙卷风卷走房子的描述，如此单薄的结构，稍微强烈一些的飓风，可不得吹个稀里哗啦的。这次新奥的灾区，经常呈现地毯轰炸的效果，也不足为奇。
奇怪的是，飓风多发地区怎么也坚持使用木质房屋，难道为刺激经济发展么？
dgateway: Stick framing is indeed a very efficient system
If there is no hurricane and tornado, wood based stick framing is a very good system with many benefits: low cost, high insulation, quick time to build, and etc.
The building code in Florida has already changed after hurricane Andrew. Now they require 120 miles and above per hour building requirement, which practically renders stick framing with wood studs unviable. It is rare to see stick frmaing houses in southern and central florida now. House there are built with concrete block, concrete masonary units they call it. Houses built that area are sided with stucco. CBS (concrete block stucco) houses are the most common now in Florida.
In parts of Texas and Hawaii, many houses are built with light guage steel studs. That is also good for high humidity area.
Two building techniques are gaining popularity in tornado-prone areas: SIP (swandwiched insulated panel) and ICF (insulated concrete form). They both perform well in strong wind and earthquakes.
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