钢筋单排最大根数(2010版规范)

8

20

梁宽（mm）1214161820222528

1502/32/32/22/22/22/22/21/22004/43/43/43/33/33/32/32/32505/55/54/54/54/44/43/43/33006/76/65/65/65/55/54/54/43507/87/87/76/76/75/65/64/54008/98/98/97/87/86/76/75/645010/119/109/108/98/97/86/86/750011/1210/1210/119/109/108/97/96/855012/1411/1311/1210/1210/119/118/107/960013/1513/1412/1311/1311/1210/129/118/1065014/1614/1513/1513/1412/1311/1310/129/1170016/1815/1714/1614/1513/1412/1410/139/1275017/1916/1815/1715/1614/1513/1511/1410/1280018/2017/1916/1816/1715/1714/1612/1511/1385019/2218/2117/1917/1916/1815/1713/1611/1490020/2319/2219/2118/2017/1915/1814/1712/1595022/2421/2320/2219/2118/2016/1914/1813/16100023/2622/2421/2320/2219/2117/2015/1914/17105024/2723/2622/2421/2320/2218/2116/2014/18110025/2824/2723/2622/2421/2319/2217/2115/19115026/3025/2824/2723/2622/2420/2318/2216/20120027/3126/2925/2824/2723/2521/2418/2316/20梁宽（mm）14161820222528 2.表格计算中，纵筋保护层厚度按钢筋直径和按环境类别取的保护层厚度与箍筋 直径之和的大值。 箍筋直径混凝土保护层厚度梁纵向钢筋单排最大根数

钢筋直径（mm）

说明：1.表内分数值，其分子为梁上部纵筋单排最大根数，分母为梁下部钢筋单排最大 根数。

32 1/1 2/2 2/3 3/4 4/4 4/5 5/6 6/7 6/8 7/8 7/9 8/10 9/11 9/12 10/12 11/13 11/14 12/15 12/15 13/16 14/17 14/18 32