（2）标准层：A主梁：      
                  粉刷：                                                                  
                 合计                            4.68 KN/m                 
                B次梁：        
                  粉刷：                                                                                                 
                  合计                             2.16KN/m                                                                                 
C楼梯梁:     
粉刷：                                                                       
合计                             2.70KN/m

表2-1 梁自重标准值
层次    截面( ）
长度（m)    线重度（KN/m)    自重标准值（KN）    梁重（KN）    每层总重（KN）
顶层    0.30 0.70
12.6    4.68    58.97    58.97    2252.6
    0.30 0.70
12.6    4.08    58.97    58.97   
    0.30 0.70
6.6    4.68    30.89    30.89   
    0.20 0.50
    6.6    2.16    14.26    14.26    5层长宁区商贸中心建筑与结构设计+CAD图纸(5):http://www.youerw.com/gongcheng/lunwen_38201.html