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混凝土结构
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砌体结构设计应注意的问题1. 砌体结构应注明施工质量控制等级。 2. 多层砌体结构,在抗震设防地区,楼板面有高差时,其高差不应超过一个梁高(当错层楼盖高差不大于1/4层高且不大于700mm),超过时,应将错层当两个楼层计入房屋的总层数中。 当错层楼盖高差不大于1/4层高且不大于700mm,错层交界的墙体,除两侧楼盖处圈梁照常设置外,还应沿墙长每隔不大于2m增设一根墙中构造柱。 3. 在抗震设防区,多层砌体房屋墙上不应设转角窗。(对于剪力墙结构,B级高度的高层建筑不应在角部剪力墙上开设转角窗。抗震设计时,8度及8度以上设防区的高层建筑不宜在角部剪力墙上开设转角窗;必须设置时,应进行专门研究,并采取措施。见《全国民用建筑工程设计技术措施-结构》P220)
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