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梯形渠道水力最佳断面水力要素计算nQmih0b0A0x0r0v0α0.0151252.50250006.752.60131.6438.983.380.9511.011.021.031.04已知计算值h/h010.8230.7610.7170.683b/h(β)0.3861.8062.5843.2783.938右侧数据为计算值转置而来(已链接)αh/h0βHBVARh1.001.0000.3866.7552.6070.950131.6393.3776.7555.5591313265.140338934.8431314224.6134710761.010.8231.8065.55910.040.940132.9553.327b1.020.7612.5845.14013.2830.931134.2723.2792.60710.0397911713.2826357915.875784818.16784911.030.7173.2784.84315.8760.922135.5883.231V1.040.6833.9384.61318.1680.913136.9053.1840.94960.940164430.9309471320.921908810.913044302ABHVH131.639132.9554661134.2718568135.5882476136.90463842.6076.7550.94966.7547R10.0405.5590.94025.55913.3773.3273236143.278512513.2308832573.18439617713.2835.1400.93095.140315.8764.8430.92194.843118.1684.6130.91304.6135由上面两关系曲线,流速在很小范围变化时,底宽和水深的变化区间很大。根据实际情况若为深挖方则可取较大水深及较小底宽,若为半挖半填则可取较小水深和较大底宽。