重力沖擊鉆機 的英文怎麼說

中文拼音 [zhòngchōngzhēn]
重力沖擊鉆機 英文
free-fall drill
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 鉆Ⅰ名詞1. (打眼用的工具) drill; auger 2. (指鉆石) diamond; jewel Ⅱ動詞(用尖物在另一物體上轉動) drill; bore
  • : machineengine
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承載的檢驗,確定了在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞理、承載特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很要的作用,樁端阻所佔比例甚少。這與設計樁基時的計算模式相差很大,承載也較設計增加;使用學數值分析方法和有限單元法,對孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
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