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美国是一个高消费国家、对衣、食、住、行的消费量很大,特别是对居住条件的要求很高,因此,美国的城乡建设发展很快。为了适应这种高速度的发展,目前的建筑业已普遍采用轻板建筑,传统的砖瓦和普通混凝土在城乡建筑中已几乎绝迹。所谓轻板建筑,就是以轻型建筑材料在工厂里制成一定标准规格的框架和大板,在现场安装既可。这种建筑材料的建筑物有自重轻、施工机械化程度高和地基负荷轻的特点。轻板建筑的内墙和框架多采用轻骨料混凝土框
The United States is a high-consumption country and has a large consumption of clothing, food, housing, and transportation. It is particularly demanding on living conditions. As a result, urban and rural construction in the United States has developed rapidly. In order to adapt to this high-speed development, the current construction industry has generally adopted light-board construction, and traditional brick and ordinary concrete have almost disappeared in urban and rural construction. The so-called light-weight construction is the use of light building materials in the factory to make a certain standard size of the framework and large plates, on-site installation can be. This building material has the characteristics of light weight, high mechanization of construction, and light load on the foundation. Lightweight aggregate concrete frames are used for interior walls and frames in light-weight buildings