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本文通过对广西梧州地区岑溪县葛仙岩空心拱坝的结构模型试验研究(包括整体模型试验及平面拱圈试验),并与一些理论计算进行对比分析,初步提出对空心拱坝这种新坝型的评价。一、工程概况葛仙岩拱坝是一座新型的空心拱坝,其结构特点是将原来实心拱坝(拱厚1.0米)分成为二个拱圈即上游拱圈(厚0.6米)及下游拱圈(厚0.4米),两个拱圈之间相距1米(空心),沿坝高每1.5米用厚度为0.3米的横向隔板把上下游拱圈联系起来,沿水平拱圈在拱端
In this paper, the structural model test (including the overall model test and plane arch test) of Gexianyan hollow arch dam in Cenxi County, Guangxi Province, is carried out and compared with some theoretical calculations. The preliminary research on the hollow arch dam Evaluation. First, the project profile Gexianyan arch dam is a new type of hollow arch dam, the structural features of the original solid arch dam (arch thickness 1.0 m) into two arch ring that the upstream arch (0.6 m thick) and the downstream arch ( 0.4 meters thick) with a distance of 1 meter (hollow) between the two arch rings, a horizontal partition of 0.3 meters each along the height of the dam to connect the upper and lower arch rings,