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住宅采用预制装配式大型外墙壁板是北京地区以墙体改革为中心,推动建筑业技术改造的一条重要途径。多年来北京地区应用各种类型外壁板的建筑已达五十万平方米以上。近年来发展规模更趋扩大,生产外壁板的构件厂也由一家增为多处。一、现行外墙板生产工艺存在的问题墙板由工厂预制,这就为其饰面工艺的改革提供了可能性。多年来在饰面工艺方面虽然作了多种尝试,但能够推广应用的仅有“面向上”(壁板在水平台模上生产时外表
The use of prefabricated large-scale exterior wall panels in residential buildings is an important way for the reform of the construction industry in Beijing to be the center of the wall reform. Over the years, the use of various types of exterior siding in the Beijing area has reached more than 500,000 square meters. In recent years, the scale of development has expanded even further, and the number of components for the production of external siding has also increased from one to many. I. Problems existing in the current production process of exterior wall panels Wall panels are prefabricated by factories, which provides possibilities for the reform of their facing techniques. Although many attempts have been made in the finishing process over the years, the only thing that can be promoted and applied is “face up” (the appearance of the panel is produced on the water platform die.