系梁砼计算公式

K74+824.5里长塘分离式立交桥1~4号墩系梁砼计算表系梁砼数量 = 系梁平面面积*系梁高 =系梁平面面积 = 桩圆面积*2+长方形面积+不规则图形面积*4 =桩圆面积 = 3.14*R2 =长方形面积 = (L-2R)*系梁宽 =不规则图形面积 = 梯形面积-扇形面积 =梯形面积 =（上底+下底）*0.5系梁高/2 =梯形上底长 = R-（√R2-（系梁宽/2）2）=梯形下底长 = R =扇形面积 = 桩圆面积*扇形夹角/360 =扇形夹角 = sin-1（（系梁宽/2）2/R2）=sin-1（（0.750.751.7660.36*/53.130.75/360*0.75）0.3-+（√(8.6612.342*1.48.60.75*-）**+*0.750.2611.20.75*0.5-*0.50.360.217* 40.75）*1.2======17.2812.3421.7668.5920.2170.315∏R（m)0.75L系梁宽系梁高（m)（m)（m)8.661.21.43.141.766*2 +3.14-*20.3150.750.75）=0.3===0.750.26153.13计算：审核：

K78+232西岸坡大桥12号墩右幅系梁砼计算系梁砼数量 = 系梁平面面积*系梁高 =系梁平面面积 = 桩圆面积*2+长方形面积+不规则图形面积*4 =桩圆面积 = 3.14*R2 =长方形面积 = (L-2R)*系梁宽 =不规则图形面积 = 梯形面积-扇形面积*4=梯形面积 =（上底+下底）*0.5系梁高/2 =梯形上底长 = R-（√R2-（系梁宽/2）2）=梯形下底长 = R =扇形面积 = 桩圆面积*扇形夹角/360 =扇形夹角 = sin-1（（系梁宽/2）2/R2）=sin-1（（0.33430.90.92.5430.49*/51.060.9/360*0.9）-+（√(8.514.752*1.69.40.9*-）**+*0.90.3611.40.90.285* 40.9）***0.5-1.44*0.50.49======23.6014.7522.5439.380.2850.43201∏R（m)0.9L系梁宽系梁高（m)（m)（m)8.51.41.63.142.543*2 +3.14-*20.4320.90.9）=0.33431===0.90.36151.06计算：审核：