在桩底灌浆预制桩承载性能的研究基础上，进一步研究桩底灌浆钻孔灌注桩的承载性能。
Based on research on the behavior of precasted pile and grouted at pile bottom, the behavior of boring pile grouted at pile bottom is studied further.
乐滩水电站I标工程帷幕灌浆工程量大，工期紧，影响施工速度的最大因素是钻孔速度。
Considering the large work quantity and tight time schedule for the curtain grouting in Bid I of Letan project, drilling speed is the most critical factor in the construction progress.
本文根据某工程中钻孔灌注桩的现场试验，对桩端压力灌浆技术在卵石层中灌注桩的应用效果及其经济效益进行了分析。
Based on site tests, this paper discusses the effect of pressure grouting under piles tip in cobble layer and analyzed its economical and social benefit.
对压密灌浆法用于桩底灌浆提高钻孔灌注桩承载力的工艺和机理进行了探讨。
Technology and mechanism of compaction grouting used in bored pile base grouting to enhance the bearing capacity are discussed.
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 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.
膜体防渗灌浆是通过在结构内侧的钻孔将灌浆材料压入结构外侧形成防渗膜体的方法。
The grouting material is forced into construction through the holes of its inside and impervious membrane formed in its outside.
本文介绍了西安长乐食品厂采用桩式托换与钻孔灌浆进行地基加固施工方法和成果。
This paper introduces the construction methods and results of foundation improvement by pile underpinning and borehole grouting at Changle food factory, Xian city.
为了评价帷幕灌浆效果，将数字钻孔摄像技术应用到小浪底水利枢纽3号灌浆洞3个灌浆质量检查孔中。
In order to appraise the quality testing of grout curtain, digital borehole camera technology is applied to three boreholes of the grouting gallery no. 3 in Xiaolangdi Water Control Project.
泥浆护壁钻孔灌注桩当桩端持力层为砂土层等非岩石层时，通过桩底压密灌浆能有效地提高单桩承载力。
When the bearing stratum at the tip of bored pile is sandy soil stratum, the method of pile tip pressure grouting can effectively improve the bearing capacity of single piles.
主要介绍采用钻孔弹模法和声波法对灌浆处理后的坝基岩体进行质量检测的原理和方法。
Introduced in the paper are the principle and method of borehole elastic modulus inspection and sound wave inspection used in the quality inspection of grouted rock mass of a dam foundation.
为确定在这种复杂地层条件下进行钻孔高喷灌浆时采用的合理的工艺工序和技术参数，在高喷灌浆正式开工前进行不同孔距、不同高喷参数的灌浆试验。
The spouting tests with different bore distance and high pressure coefficient were done before working in due form in order to confirm rational working procedure and technical parameter.
灌浆方法包括钻孔、卡塞或埋管、配置灌浆器具，然后采用多孔并联灌浆。
The grouting way comprises drilling hole, clamping the plug or burying the pipe, and configuring grouting devices, and grouting by a plurality of holes connected in parallel.
灌浆方法包括钻孔、卡塞或埋管、配置灌浆器具，然后采用多孔并联灌浆。
The grouting way comprises drilling hole, clamping the plug or burying the pipe, and configuring grouting devices, and grouting by a plurality of holes connected in parallel.
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