【摘要】 砂砾石地层的防渗处理是水电工程中经常遇到的难题。因此深厚砂砾石层防渗帷幕灌浆施工技术的研究具有重要意义。深厚砂砾石层帷幕灌浆施工技术多年来一直处于摸索阶段。结合工程实例,介绍了帷幕灌浆施工技术在造孔、灌浆、质量检查等方面的进展。更多还原

【Abstract】 Seepage prevention of sand and gravel layer is a common problem encountered in the hydropower project construction. Therefore, studies on technology for seepage-prevention curtain grouting with thick sand and gravel layer is of importance. The technology has been tested for many years. With a typical example, the paper introduces progress of curtain grouting technology on hole-drilling, grouting and quality control.更多还原