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天生桥一级电站混凝土面板堆石坝的填筑坝体位移监测通过水管式沉降仪和水平位移计进行 .坝体内安装了 50支水管式沉降仪 (瑞典盒式 )、31支水平位移计 (铟钢丝型伸缩仪 )和 2 8支总压力计 .监测结果表明 ,施工期末 (1999年 3月 )最大坝体沉降是 2 .94 m,相当于坝体高度的 1.7% ,施工期末堆石坝变形模量 Erc平均 4 5MPa,为最大坝体变形 ,促使上游边坡出现裂缝以及面板浇筑前上游边坡明显沉降 .
The dam displacement monitoring of the Tianshengqiao-1 concrete faced rockfill dam was carried out by using a water pipe settlement meter and a horizontal displacement meter. There were 50 water-pipe settlement meters (Swedish box type) and 31 horizontal displacement meters Wire telescopic meter) and 28 total pressure gauges.The monitoring results show that the maximum dam settlement at the end of construction period (March 1999) is 2.94 m, equivalent to 1.7% of the dam height, and the deformation of the rockfill dam The modulus Erc is 45 MPa on average, which is the deformation of the largest dam, causing cracks in the upstream slope and obvious settlement of the upstream slope before pouring.