shear thrust 中文意思是什麼
shear thrust
解釋
剪沖斷層-
The basin - formed mechanism, evolution model and petroliferous geological features of compresso - shear basins in the world are analyzed, by which six aspects of the features are summarized as follows : 1 ) in the compresso - shear process, the sedimentary speed of basin is high, forming thicker coarse - grained clastic rocks which normally shape good petroleum reservoir ; 2 ) the source rocks of basin tend to coming from the organic matter - enriched rocks formed in pre - compresso - shear stages, except that in intense compresso - shear process, deep water - semi deep water source rocks are possibly developed in pre - compresso - shear stages, e4xcept that in intense compresso - shear process, deep water - semi deep water source rocks are possibly developed in frontal of deep depression ( fore deep ) of thrust belt ; 3 ) the en echelon folds ( including anticline and fault - nose structure ) are generally as good oil traps ; 4 ) the compresso - shear process is helpful to hydrocarbon accumulation ; 5 ) it may promote the maturity and hydrocarbon - generating process of organic matte, and 6 ) the thrust belts in the surrounding areas of compresso - shear basin are favorable are favorable domains for petroleum concentration
摘要通過對世界上壓扭性盆地的成盆機制、演化模式和油氣地質特點分析，總結壓扭性盆地具有6個方面的石油地質特徵：壓扭作用期間盆地的沉積速率較高，一般形成較厚的粗碎屑沉積，它們常構成很好的油氣儲集層：盆地的烴源巖往住來自於前壓扭期砂成的富含有機質的巖石，但在強烈的壓扭作用期間，在沖斷帶的前緣深坳陷（前淵）中有可能發育深水半深水相的烴源巖；壓扭（張扭）作用期間形成的雁行式褶皺（包括背斜和斷鼻等）往住是很好的油氣圈閉；壓扭作用易於成藏；壓扭作用可以促進有機質的成熟生烴作用；壓扭性盆地的周邊沖斷帶是油氣賦存的有利部位。 -
The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized
它利用拱肋承擔壓力，系梁預應力束抵抗拱端推力，吊桿及縱橫橋面系結構承受橋面荷載，既克服了傳統拱橋巨大的拱端推力，又改善了連續梁橋較大的彎矩和剪力的受力狀況，最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點，經濟效益顯著。 -
The study on the structural feature opened out by the non - seismic ( mt ) profile of xiaonangou in qinglong mountain on the west edge of ordos basin and the seismic profile across helan mountain shows that a series of thrust blocks - qinglong - luoshan - nioushou - helan mountain, were the thin - skin structure formed by the westward compression of ordos block and the dextral shear of alashan block
通過對盆地西緣青龍山南端小南溝的非地震mt剖面以及橫穿賀蘭山的地震剖面揭示的構造形態研究認為，盆地西緣一系列推覆體青龍山?羅山?牛首山以至賀蘭山是由於鄂爾多斯地塊向西推擠同時與阿拉善地塊的右行運動所產生的「薄皮構造」 。 -
The shear strength indexes of and c were obtained for these two embankments, and they demonstrated the reliability of thrust and sliding equilibrium method used to analyze the stability of embankment
在計算過程中提出4點基本假設，經過現場試驗數據計算分析，論證了假設的成立和推滑平衡分析法應用於填石路堤的正確性，並通過比較得出灰巖作為材料使填石路堤邊坡更為穩定的結論。
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