双向板配筋计算公式,板的配筋面积怎么算

双向板配筋计算公式,板的配筋面积怎么算

(1)p″lxMy=coefficienttwo-wayslabsectionsize0.04291000(mm)slabwidth80(mm)slabthickness15(mm)concreteprotectivelayerh0=65(mm)slabeffectiveheighth0=h-cattwo-wayslabX轴配置配筋计算Mx3.09kN.m弯矩two-wayslabX轴配筋计算h0=65( mm)slabeffectiveheighth0=h-ca80ca=153.096.693.000Two-wayslabsectionsize3.09My=coefficient(1)p1.300.042936.693.000Mx=coefficient1)p″lx+coefficient(1)p′lx1.300.042

2.X——贯通横向钢筋；Y——贯通纵向钢筋；X&Y——双向钢筋3.原位标记中负钢筋线的长度为向支撑中心线延伸的尺寸。3.板应力钢筋：板底钢筋计算长度：长度=净跨+侵入长度*2+挂钩2*6.25因此，当钢筋强度设计值fy输入值不等于210N/mm2时，应取消勾选"使用 II类钢筋"。 为什么在双向板子程序中，在计算板底部两个方向的钢筋时，有时钢筋的面积是在弯矩小的方向？

∩▂∩ 5.曲面尺寸b=1000h=140ca=15双向labX轴加固计算h0=125(mmslab有效高度h0=h-caMx=13.23弯矩值underload,simplesupportedbysupportreactionforceorspancalculationofthemediummaximumvalues=0.063tomeetthestructuralsafetyrequirementsIfthecross-sectionresiststhe力矩系统钢筋混凝土结构双向板筋简单计算1.板载计算1.静载大理石装饰面3厚度30×0.003=0.090kN/㎡水泥砂浆抹灰20厚20×0.02= 0.400kN/㎡

7.Calculationofh-cattwo-wayslabXXaxisreinforcementMxMx===11.72kN.mloadbendingmomentvalue,simplesupportandsupportreactionforceormid-spanmaximumcalculations=M==0.0150.015SatisfiedStructuralSafetyRequirementsRequirementsRuoRuoSectionalAreaResistanceMomentSlabThicknesshca=15(mm)ConcreteCoveringLayerh0=65(mm)SlabEffectiveHeighth0=h-caTwo-waySlabX轴钢筋计算Mx=3.09kN .m弯矩值underload,simplesupportandsupportreactionforceormid-spanmaximumcalculationαs=M=0.05