Estimate opening/closing forces for sluice gate hoists.
平面闸门启闭力计算,考虑自重、水压力摩擦阻力及水柱下压力
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Hydrostatic pressure | P = rho · g · h_c · A, where h_c is the depth of the centroid | Fundamental hydrostatics; SL 265-2016, Design code for sluices |
| Components of the operating force | Operating force = gate weight + friction from water pressure ± buoyancy | SL 265-2016, Design code for sluices |
| Centre of pressure | The centre of pressure lies below the centroid and moves down as depth increases | Fundamental hydrostatics |
| Friction coefficient | The friction coefficient is chosen according to the support and sealing type | SL 265-2016, Design code for sluices |
水闸启闭力计算工具用于平面闸门启闭机选型时的启门力与闭门力估算。综合考虑闸门自重、上下游水压力产生的摩擦阻力、门顶水柱下压力等因素,计算所需启门力与闭门力,判断是否需要配重。