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news
工程造价知识100问 - 造价预算实例 - 工程造价 - 学习园地 - 新闻相关
工程造价知识100问
1、钢筋混凝土梁和柱箍筋的数量计算有什么不同?¬
答:钢筋混凝土梁和柱的箍筋数量计算方法不同,对于钢筋混凝土柱子的箍筋数量应该是沿柱子的通长布置的,而对于钢筋混凝土梁的箍筋是计算到柱子的边上的。¬
2、钢筋混凝土梁和柱箍筋的数量应该怎样计算?¬
答:钢筋混凝土柱的箍筋应该按照柱子的全高计算,减掉柱子的混凝土保护层后,除以柱子的箍筋间距,所得数值向上取整加一。¬
即:柱子的箍筋数量=(柱高-柱子保护层)/箍筋间距+1¬
钢筋混凝土梁的箍筋数量应该按照梁的净长计算,也就是梁的净长减掉50mm*2,这里50mm是梁上的第一根箍筋距离柱子边的距离,也被称作起步距离。¬
即:梁的箍筋数量=(梁的净长-50*2)/箍筋间距+1 ¬
3、钢筋混凝土板的钢筋数量应该怎样计算?¬
答:钢筋混凝土板的钢筋数量应该是沿受力刚筋分布方向的板的净长减掉钢筋的间距后除以钢筋的间距,所得数值向上取整加一。这里是因为板的受力钢筋的第一根钢筋,在实际施工中应该是距离板的支座半个间距处开始布置,两面刚好是一个钢筋的间距。¬
即: 板的钢筋数量=(板的净长(或者净宽)-钢筋间距)/钢筋间距+1
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