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1 帷幕灌浆施工根据省水利勘测设计院的要求,对主坝左右坝肩各选择一处进行灌浆试验,灌浆试验从2003年7月开始,到2003年9月结束。通过试验结论确定了孔距、压力、灌浆材料等各项技术指标。1.1 灌浆孔的布置。帷幕灌浆范围为0+000m～0+130m 和1+000m～1+180m,全长310m,采用纯水泥灌浆,灌浆孔沿坝轴线布设,帷幕设计为单排,孔距1.5m,深入基岩深度不等,达
A curtain grouting construction According to the requirements of the provincial water conservancy survey and Design Institute, the dam on each side of the main dam to choose a grouting test, grouting test from July 2003 until the end of September 2003. Through the test conclusion, the hole spacing, pressure, grouting material and other technical indicators were determined. 1.1 grouting hole layout. The curtain grouting range is 0 + 000m ~ 0 + 130m and 1 + 000m ~ 1 + 180m with a total length of 310m. Pure cement grouting is adopted. The grouting holes are arranged along the dam axis. The curtain is designed as a single row with a hole spacing of 1.5m. Depth ranging from up to