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为了更进一步了解灌浆试验的效果,检查基岩裂隙中灰浆充填情况,和灰浆扩散范围。我们在第三灌浆试验地段竣工后,开始钻了一个直径为一公尺大口径的钻孔。在党的社会主义建设总路线的光辉照耀下,全体同志鼓足干劲,大胆创造,克服了种种困难,胜利地完成了钻进任务,达到了预期效果。现将一些主要的操作方法与钻进经验简短介绍如后:一、一般情况1.对钻孔的要求:为便于地质人员、灌浆施工人
To better understand the effect of the grout test, check the mortar fill in the bedrock crevice, and the extent of mortar diffusion. After the completion of the third grout test site, we started drilling a large diameter hole of one meter in diameter. Under the brilliant shining of the general line of the party’s socialist construction, all the comrades tried their best to boldly create, overcome all kinds of difficulties, successfully completed the drilling mission and achieved the expected result. Now some of the main methods of operation and drilling experience brief introduction as follows: First, the general situation 1. Requirements for drilling: In order to facilitate geological personnel, filling construction workers