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山东省泰安地区东周水库灌区,在学习兄弟单位经验的基础上,地、县水利局及泰安永利学校共同组成设计组,根据设计原理、大胆创新,设计了大型无筋混凝土渡槽(西周河、平阳河渡槽),过水流量6.9秒立米,已于1978年8月建成,经两次现场放水试验,效果很好,达到国内先进水平。西周河渡槽全长877米,其中正槽38孔,净跨20米,墩距21.4米。渡槽的基础和墩台为砌石。渡槽的双曲拱架、排柱和矩形槽身为无筋混凝土结构。矩形槽身水深2.2米,净宽2.1
On the basis of learning from the experience of fraternal units, the Dairy County Water Conservancy Bureau and the Tai’an Wynn School jointly formed a design team. Based on the design principle, bold innovation was made to design a large non-reinforced concrete aqueduct (Western Zhou River and Pingyang River aqueduct), the flow of 6.9 seconds over the water, built in August 1978, after two on-site water test, the effect is very good, reaching the domestic advanced level. Western Zhou River Aqueduct full length of 877 meters, of which 38 holes are positive, net span of 20 meters, pier distance of 21.4 meters. Aqueduct foundation and piers are masonry. Aqueduct double curved arch, row column and rectangular tank for the non-reinforced concrete structure. Rectangular tank body depth of 2.2 meters, net width of 2.1