河南省陆浑灌渠西村渡槽建造在黄土地基上,跨越深达37米的河谷,共计13跨,每跨跨长27.3米,设计流量24.7立米/秒,是国内首次将钢筋混凝土空腹桁架用作大跨度大流量渡槽的承重结构。桁架的上弦拱轴线为二次抛物线,轴线计算跨长为26.4米,矢高为5.52米。桁架由11根竖杆分成12个节间.每跨两片桁架上下各用13根横系梁联结。矩形储身支承在下横梁上。桁架承受的总设计荷载约560吨,其中桁架自重约90吨, Henan Luhun irrigation canal Nishimura aqueduct built on loess foundation, spanning 37 meters deep river, a total of 13 cross, each span span 27.3 meters, the design flow of 24.7 cubic meters / second, is the first domestic use of reinforced concrete fasting truss as a large Load-bearing structure of large-span aqueduct. The truss’s winding chord arch axis is a quadratic parabola with an axis length of 26.4 meters and a sag of 5.52 meters. The trusses are divided into 12 internodes by eleven vertical poles, each of which is connected by 13 transverse beams at the top and bottom of each of the two trusses. The rectangular body is supported on the lower cross member. Truss to bear the total design load of about 560 tons, of which truss weighs about 90 tons,