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分析了陕北黄土滑坡体的滑动机理 ,针对不同地层情况采用相应的钻进参数钻进。分析了所注低压砂浆在裂隙和洞穴中的流变形态和存在状态 ,针对陷落洞和主裂隙带的注浆情况进行判断 ,并进行补充注浆 ,达到设计要求
The sliding mechanism of the loess landslide in northern Shaanxi is analyzed, and corresponding drilling parameters are used to drill for different strata conditions. The rheological morphology and existing state of the injected low pressure mortar in the cracks and caves are analyzed. The grouting conditions of the cave and the main fracture zone are judged, and the grouting is added to meet the design requirements