礫石層 的英文怎麼說
中文拼音 [lìdàncéng]
礫石層
英文
gravel bed-
Application of diamond drilling to the detailed investigation in bouldery formation for liumei bridge
金剛石鉆進在流美大橋礫卵層詳勘施工中的應用Owing to complicated earth ' s surface condition such as the steep stratum outcropping of front - zone of mountain or the huge thick gravel stratum ' s overlay and earth ' s surface large undulation, complicated underground geology structure developed extremely such as thrust and overthrust nappe, and violent change of the lateral velocity, etc. in front - zone of mountain there are a series of problems such as serious secondary disturbance and low signal - to - noise ratio in seismic exploration gathering
由於山前帶高陡巖層出露或巨厚礫石層的覆蓋、地表起伏大等復雜的地表條件、逆沖和逆掩推覆等復雜地下地質構造發育、速度橫向變化劇烈等原因，造成了山前帶地震勘探資料採集存在次生干擾嚴重和信噪比低等一系列問題。Dig jade is it leave riverbed in river valley terrace, do beach to refer to, ancient river and alluviation, diluvian gravel that fan have dig seeking and d jade gravel of the layer in front of the mountains the jade of these places is brought by the flowing water too
挖玉是指離開河床在河谷階地干灘古河道和山前沖積洪積扇上的礫石層中挖尋和闐玉礫。這些地方的玉也是由流水帶來的。Application of diamond - enhanced tungsten carbide composite button bit - a discussion
金剛石增強型硬質合金復合齒鉆頭在卵礫石層中的應用Boring technology for pile foundation with deep gravel layer
高速公路深厚卵礫石層樁基成孔技術The larger reverse circulation bits used for drilling through pebbles
卵礫石層大直徑反循環樁孔鉆進用鉆頭Fast drilling technology on deep overburden gravel layer in treatment of coal gob area
采空區治理工程中深覆蓋厚卵礫石層鉆進施工Reinforcing this layer by grunting mode is introduced
介紹採用注漿方式來加固砂卵（礫）石層。Drilling technology for thicker conglomerate in the well ta
塔1井巨厚礫石層鉆井技術Infixion method used in gravel
礫石層中適宜選用的鉆進方法Drilling gravel formations in the western area : challenges and solutions
西部地區礫石層鉆井難點及對策Study of blasting techniques of frozen gravel stratum in vertical well tunneling
立井掘進凍結礫石層爆破技術初步研究Application of casing drilling and dth drilling combined technique for boulder formation
潛孔錘復合性鉆進工藝在河床卵礫石層中的應用Large gravel bed
大礫石層Study on stability of percolation of sandy gravel layer of xiaolangdi dam foundation
小浪底大壩壩基砂礫石層滲透穩定性研究Moreover, this article also discussed how the variation of relative density and average grain diameter influenced the shear stress of sand and gravel layer
另外，順便探討了相對密度、平均粒徑對砂礫石層剪應力的敏感度。Railway jacking bridge engineering passing through sand pebble ( gravel ) layer, because it is a complex loose coarse fragment accumulation layer, the roadbed must be reinforced
摘要鐵路頂橋工程中遇到砂卵（礫）石層時，因砂卵（礫）石層是一種復雜鬆散粗碎屑堆積層，因此必須對鐵路路基進行加固。This article discussed the application of shear stress pairing method to evaluation dam base vibration liquefaction of earth - fill dam according to the problem that the sand and gravel layer of main dam base could be liquefied in the condition of seismic intensity grade vll in the design of nierji hydro project
本文結合尼爾基水利樞紐工程設計中主壩壩基砂礫石層（ < 5mm含量> 30 =在地震裂度級工況下可能發生液化的問題，探討了用剪應力對比法在評價土壩壩基震動液化中的應用。To determine if the dam base been liquefied through contrasting the shear stress which caused sand and gravel layer liquefied measured from indoor dynamic triaxial teat with calculated shear stress caused by earthquake in different depth of sand and gravel layer. and according to result of comparison to direct the design scheme of dam base
根據室內系統的動三軸試驗測定的砂礫石層液化所需的剪應力與計算的砂礫石層中不同深度處由地震引起的剪應力相對比，從而最終判定壩基是否液化，並根據該結論指導了壩基設計處理方案。Test research of bits for drilling cobble and gravel formation of in - situ leaching uranium deposit
地浸砂巖型鈾礦卵礫石層鉆進用鉆頭的試驗研究分享友人