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葛洲坝水利枢纽二江泄水闸闸型为开敞式,采用双层闸门布置,上扉为平板门,下扉为弧形门。弧门尺寸为12×12米。设计蓄水位66.0米时弧门轴推力为4100吨,其与水平面夹角为36°54′,支铰中心高程53.0米。技术设计阶段采用闸孔中心分缝,整闸墩的布置,闸墩厚6.0米。1977年11月决定改为由三孔构成一个闸段,每一闸段由相邻的两个中墩及其两侧的两个缝墩组成。孔口尺寸仍为12.0米,中墩厚度由6.0米改为5.3米,缝墩厚4.5米。
The Gezhouba Water Control Project, the two-river sluice gate, is an open type with a double-deck gate layout. The upper gate is a flat-panel gate and the lower gate is an arc-shaped gate. Arc door size is 12 × 12 meters. When the designed water level is 66.0 meters, the thrust of the radial door shaft is 4100 tons, the angle between it and the horizontal is 36 ° 54 ’, and the center of the support hinge is 53.0 meters. Technical design phase using gate center slit, the entire pier pier layout, pier thickness 6.0 meters. November 1977 decided to replace the three holes to form a gate segment, each gate segment from the adjacent two in the pier and the two sides of the two pier composed. The orifice size is still 12.0 meters, the thickness of the pier changed from 6.0 meters to 5.3 meters, seams pier thickness 4.5 meters.