Insulate your home . cavity wall insulation can cut heat loss through the wall by up to 60 percent 房屋隔热可以利用空心墙来减少热能损耗，降幅高达60 % 。
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Uf specification for urea - formaldehyde foam systems suitable for thermal insulation of cavity walls with masonry or concrete inner and outer leaves 适用于砖砌或混凝土内外层空心墙保温的脲甲醛
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Guide to assessment of suitability of external cavity walls for filling with thermal insulants - existing traditional cavity construction 填隔热材料用外部空心墙适用性的评定指南.现行的传统空腔结构
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By low - cycle and reverse horizontal loading test , their properties including strength property , deformation property and energy property are studied . we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation . lastly , based the data got from the test , this paper analyses and value the seismic behavior of every members 在试验基础上，研究了轴心受压构件的承载力计算和稳定问题；研究了低周反复水平加载条件下，弯剪构件和整体空心墙板的强度、变形、能量特性；轴压构件的荷载特征值；弯剪构件和整体空心墙板的滞回曲线、骨架曲线、延性等参数；从强度、变形和能耗等方面判别和鉴定各构件的抗震性能，对各个构件给出了试验的结论、评价。
