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【多选题】
下列关于混合结构建筑物中圈梁和构造柱的作用,以下说法正确的有( )A.
圈梁和构造柱是重要的结构受力构件，其截面尺寸和配筋需经严格的计算进行设计。
B.
圈梁和构造柱对砌体有约束作用，防止由于地基的不均匀沉降或较大振动荷载等对房屋的影响。
C.
构造柱与圈梁一起增强墙体抵抗水平力的能力，可显著提高结构抗震性能。
D.
圈梁和构造柱增强纵、横墙的连结，提高房屋整体性。
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