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主梁与主梁交接,梁上部筋以大梁为主还是不分大小？ - 工程施工 - 项目管理 - 氿上知道
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1、如果是柱框架梁相交，一般都相交在柱内，这是必然一方在上，一方在下，至于是哪方在上没有硬性规定。而设计要说明的是框架梁是否采用同层面纵筋弯折交叉构造，当采用同层面弯折交叉构造时，可按1：12缓斜度弯折交叉，当因梁纵筋直径较大时，可采用同层面直通交叉构造。
2、当为主次梁相交时，次梁上筋可按1:12缓斜度向下弯折后平伸入主梁（即主梁上筋在上）；当次梁上筋保护层较厚时（多见于设计说明），次梁上筋可直通锚入主梁（即主梁上筋在上）。
3、当双向井子梁相交时，一向井子梁的上部和下部纵筋均在上时，另一向井子梁的上部和下部纵筋均在下。两向井子梁的纵筋交叉何向在上何向在下应详见设计。