shaft drilling 中文意思是什麼
shaft drilling
解釋
井筒鉆鑿-
Loading and structure of shaft lining by shaft drilling in deep alluvium
深厚表土中鉆井法鑿井的井壁外載和結構 -
Preparation and application of high strength and high performance concrete of drilling shaft lining in special deep alluvium
特厚沖積層鉆井井壁高強高性能混凝土配製研究及其應用 -
In order to ensure the safety of engineering, it should be careful to use the test result of normal drilling sampling, the pitting sampling, shaft sampling, or double - tubles and thin - wall soil collecting methods should be used
為保證工程安全，對常規鉆孔取樣試驗成果的使用應當慎重，對重要工程宜採用探坑、豎井取樣，或採用雙筒薄壁取土技術。 -
Drilling and blasting technology for hard rocks in new inclined ventilation shaft of zhangxin mine
張新礦新斜風井堅硬巖石鑿巖爆破技術 -
Experimental research on shaft digging by once - through drilling and separate blasting
深井掘進一次成孔分段爆破試驗研究 -
Controlled blasting method applied to demolishing underground reinforced concrete pile shaft is presented according to specific circumstances of drilling machine and outside restraint, especially including attention of drilling, charging and initiating etc
介紹了地下鋼筋混凝土樁體的控制爆破方法，以及在鉆孔設備及外界約束較特殊的情況下，鉆孔、裝藥及起爆等方面的注意事項。 -
Abstract : controlled blasting method applied to demolishing underground reinforced concrete pile shaft is presented according to specific circumstances of drilling machine and outside restraint, especially including attention of drilling, charging and initiating etc
文摘:介紹了地下鋼筋混凝土樁體的控制爆破方法，以及在鉆孔設備及外界約束較特殊的情況下，鉆孔、裝藥及起爆等方面的注意事項。 -
The high speed drilling shaft and pin cylinder system work at the same reference axis to ensure high work precision and convent operation
高速精密鉆孔主軸和釘銷氣缸系同基準軸線上工作，能保證工作精度高，操作方便。 -
Generally speaking, the big primary soil sample collected in shaft is the true primary state soil sample, the sample collected by soil collected equipment in drilling is of different degree disturbance
一般認為豎井中採取的大塊土樣，是「真正」的原狀樣，鉆孔中使用取土器採取的原狀樣存在不同程度的擾動。 -
Through comparative analysis to the test data of tow sampling methods in drilling hole and sampling method in shaft, it was found out by the author that the drilling sampling method has obvious disturbance and depression to the soil sample, which caused the soil sample ' s dry density to be increased, porosity ratio to be decreased, filtration coefficient to be decreased, and modulus of compression to be increased
筆者通過對鉆孔兩種方法獲取的土樣與豎井土樣試驗數據的對比發現，鉆孔取樣對土樣有明顯的擾動和壓密作用，造成了土的干密度增大、孔隙比減小、滲透系數降低、壓縮模量增大。 -
Optimization analysis for the location of the compressive joint for the drilling shaft lining
鉆井井壁可縮性接頭位置的優化分析 -
Experimental study on mechanical mechanism of retractable drilling shaft lining under the condition of stratum subsidence
地層沉降條件下可縮性鉆井井壁受力機理的試驗研究
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