房屋使用面积
房屋使用面积-
型钢混凝土异形柱具有构件异形的截面特征，柱肢与填充墙等厚，较好的满足了现代社会对居住的要求，柱子不出现凸出的棱角，大大提高空间利用率，增大了房屋使用面积。
Steel reinforced concrete special-shaped columns lasted component special-shaped cross-section features , with thick and filler column limb wall thickness , better satisfied the modern society in live requirement .
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钢结构或钢-混凝土混合结构住宅的直接经济效益主要来自结构施工工期缩短和房屋使用面积率提高的优势，并且随着住宅层数增加，效益增加越明显。
The steel structure or the steel - concrete composite structure housing direct economic efficiency mainly comes from the structure construction time limit for a project to reduce with the house useable area rate enhancement superiority , and increases along with the housing layer , the benefit increases obviously .