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加气混凝上由于具有轻质、多功能、易加工等性能,近年来在建筑上得到了广泛的应用,取得了明显的经济效益。随着基本建设事业的不断发展,建筑物的结构类型、使用要求等,近年来发生了很大的变化。以北京为例主要有以下几点变化。(1)不同建筑结构的组成发生了变化。以1981年为例,北京市竣工面积达580万米~2(民用住宅为400万米~2),其中:大模板建筑108.7万米~2,占27.2%;全装配
Due to its lightweight, multi-functional, and easy processing properties, aerated coagulation has been widely used in construction in recent years and has achieved significant economic benefits. With the continuous development of the basic construction business, the structural types and use requirements of buildings have undergone great changes in recent years. Taking Beijing as an example, the following changes have been made. (1) The composition of different building structures has changed. In 1981, for example, the completed area in Beijing reached 5.8 million meters~2 (4 million meters~2 for residential houses), including: 1.087 million meters~2 of large formwork buildings, accounting for 27.2%;