桥涵八字墙体积计算公式

β值:正八字墙是:扩散角+斜角反八字墙是:斜角-扩散角已知条件:单位m得出参数:单位m注解:涵洞斜角30正八字墙β60正90-β30扩散角￠30反八字墙β0反90+β90路基边坡m01.5当前β60后墙高H18正b0.92平行端墙顶宽前墙高H20.7反b0.46垂直顶宽B0.46正180-(￠+90-β)120度垂直背坡m:14反180-(￠+90+β)60度正n:12.29正D18.97反D9.48反n:14.00正b14.42正背坡底坡脚长16.28禁边宽Z0.4正b21.23反背坡底坡脚长9.66d10.95反b12.46正八字36度基础高h1.2反b20.64反八字79度正八字Z10.69正八字Z20.80八字端墙间垂距9.4830m正/反兰线框内为不可填反八字Z10.41三角棱高10.3923m正/反反八字Z20.40m结果显示:单位m3单位m3正八字墙墙身86.42正八字墙墙基础49.02反八字墙墙身46.71反八字墙墙基础26.80说明:已知背墙垂直背坡m:1求n:1m0为路基边坡1:m0为前端墙面与后背面夹角蓝色区内数字为计算所得,禁止修改cossin0mmn反正