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一、概况白沙水库除险加固工程是河南省水利重点工程,溢洪道泄洪闸为5孔,每孔净间距为12．00m,闸基为石英砂岩,闸底板(堰体)和闸墩设计为倒T型整体结构,堰体为实用堰型,泄洪闸上游混凝土底板厚度3．50m,中部最大厚度6．50m,下游厚度2．50m,顺水流方向长度为25．5m,垂直水流方向宽度8．50m,溢流面为C25钢筋混凝土,厚度0．8m,内部填C15素混凝土。闸墩中墩长23．00m,厚度2．50m,最大高度24．40m,闸墩混凝土为C25钢筋混凝土。
I. Overview Baisha Reservoir Risking and Reinforcing Project is a water conservancy project in Henan Province. The spillway flood gate is 5 holes with a net spacing of 12.00m per hole. The gate base is quartz sandstone. The sluice floor (weir) and the pier are designed to be inverted T-shaped overall structure, the weir is a practical weir type, the concrete slab upstream of the sluice floodgate has a thickness of 3.50m, a maximum thickness of 6.50m in the middle, a thickness of 2.50m in the downstream, a length of 25.5m in the direction of the water flow and a width of 8 in the direction of the vertical flow. 50m, C25 reinforced concrete overflow surface, the thickness of 0.8m, filled with C15-prime concrete. Pier pier in the long 23.00m, thickness 2.50m, the maximum height of 24.40m, pier concrete C25 reinforced concrete.