grout hole 中文意思是什麼
grout hole
解釋
灌漿孔-
Improving measures for the drilling of solidified grout hole with ingersoll - rand lm - 500c hydraulic drill rig
露天液壓鉆機鉆鑿固結灌漿孔的改進措施 -
The distance of the single - row curtain grout hole is between 1. 4 to 1. 8 meter, and 2. 0 meter is suitable for the double - row curtain ; the grouting pressure generally is 1. 0 to 1. 5 mpa at the first three grout compartment, then grouting pressure of under the fourth control in 4 to 5 mpa ; for mast grout compartments, a water - cement ratio of 2 or 1 may used in the first grouting
鉆孔密度也由原來的0 . slm / mz降至o . 64n擴mz ,節約工程投資447 . 35萬元。 6 、單排帷幕的孔距在1 . 4一1 . 8m之間,雙排帷幕的孔距以zm為宜;灌漿壓力在地表以下前三段一般為1一1 . smpa ,第四段以下按4一smpa控制;對大部分孔段而言,開灌水灰比可定為2或1 。 -
Application for penetration of gas hole, water - discharging hole and grout hole under coal mine
適用於煤礦瓦斯抽放孔放水孔注漿孔的鉆進。 -
Inclined genesis of deep curtain grout hole and disposal methods
深孔帷幕灌漿孔斜成因與處理
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