The paper introduces a new technology of CFG pile-pressure grouting of long helical drilling hole, and analyses design, service scope and development trend of CFG pile.
介绍了CFG桩的一种新的成桩工艺——长螺旋钻孔压力灌浆法，对CFG桩的设计、使用范围和发展趋势作了分析。
The seepage control and reinforcing technology of drilling and grouting integration for foundations is an improved wall- making way of sprinkling grouting with high pressure.
钻灌一体地基防渗加固技术是一种改进的高喷灌浆造墙方法，是将普通高压喷灌的成孔与灌浆两个割裂的施工工艺融合成一个连续的工艺。
To avoid water bursting, this paper introduces the technology of grouting in high-pressure water-bearing stratum, which provides feasible experience for tunneling security.
主要介绍了对高压含水层的注浆堵水工艺，为巷道的安全掘进、防止巷道突水提供了可行的借鉴经验。
To avoid water bursting, this paper introduces the technology of grouting in high-pressure water-bearing stratum, which provides feasible experience for tunneling security.
主要介绍了对高压含水层的注浆堵水工艺，为巷道的安全掘进、防止巷道突水提供了可行的借鉴经验。
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