伊敏地区位于内蒙古东北部,属亚寒带地区。传统房屋建筑采用４９０ｍｍ厚实心砖外墙,近年来采用岩棉外保温复合墙体新技术,取得了良好的保温节能效果。１岩棉外保温复合墙体的构造外围结构主体纵墙厚２４０ｍｍ,山墙厚３７０ｍｍ。砖墙内每隔０．５ｍ预埋８外挑钢筋（总长３６ Yimin District is located in the northeast of Inner Mongolia and belongs to the sub-frigid zone. The traditional house building adopts a 490mm thick solid brick outer wall. In recent years, the new technology of rock wool outer thermal insulation composite wall has been adopted, and a good heat preservation and energy saving effect has been achieved. 1 Structure of rock wool outer insulation composite wall The peripheral structure of the main body is 240mm thick, and the gable is 370mm thick. Inside the brick wall, 8 reinforcements are laid out every 0.5m (total length 36)