ground stress 中文意思是什麼

ground stress 解釋
地面停放應力
  • ground : adj 碾碎了的，磨過的，磨成粉的。 ground and polished piston 【機械工程】研磨活塞。n 1 地，地面；...
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. The piedmont ， a compressive ground stress area ， contains oil / gas pools dominated by structure formed reservoirs

    山前為擠壓地應力作用區，油氣成藏多以構造成藏為主。
  2. Due to the complexity of occurrence condition and the polytropy of influencing factors, the excavation and supporting in soft failure roadway under high ground stress become very difficult

    摘要高地應力破碎軟巖巷道，由於賦存條件的復雜性和影響因素的多變性，使得該類巷道的開挖與支護極為困難。
  3. The application of abaqus in research on simulation of 3 - dimensional ground stress field in synclinal structure

    在向斜構造三維地應力場模擬研究中的應用
  4. Influence of earth temperature gradient on ground stress calculation in underground mines

    地溫梯度對地下礦山地應力計算的影響
  5. The ground stress distribution within southern margin of junggar basin assumes that its compressing stress increases vertically with depth and compatible with the structural layers ， which can be divided into deep compressive belt ， medium shear zone and shallow tensile fracture belt

    盆地南緣區域地應力分佈規律表現為縱向上壓應力隨深度增加而增大，並與構造層配伍，可分為深層擠壓帶、中層剪切帶、淺層張裂帶。
  6. Today, cast - in - situ piles are more widely used in deep foundation engineering because of their many advantages, such as better adaptability to various ground condition, providing enormous bearing capacity by a single pile and smaller dosage of reinforcing steel bar. but, their own disadvantages, such as sediment under tip, clay slurry around pile, friction and tip resistance disagreement and initial ground stress freeing, limited their bearing capacity, lowered the utilization ratio of material and increased the settlement

    灌注樁，因其對地層適應性強、能提供較大的單樁承載力、鋼筋用量少等優點，在目前深基礎工程中得到了極為廣泛的應用。但是，灌注樁的固有缺陷，諸如孔底虛土；孔壁泥漿；端阻、側阻發揮不同步；鉆孔后原地應力釋放等，限制了其承載力的發揮，使得材料利用率不高，沉降較大。
  7. Hydraulic fracturing is firstly applied to increase the output of oil well as a technique, and then is applied to test the preliminary ground stress

    水力劈裂首先作為一種技術最初應用於石油工業以增加油井產量，后來用於初始地應力測量。
  8. Based on the analyses of the physical and mechanical properties of ore / rock and the behavior of ground stress field in the deep deposit of fankou lead - zinc mine, the authors researched the unloading measures to prevent and control rock burst in mining the deep deposit, and carried out numerical simulations of the stress distribution under different unloading mining situations by means of 3 - d elastic - plastic finite element program, so as to give decision - making basis for controlling rock burst in exploiting the deep deposit of fankou lead - zinc mine

    根據凡口鉛鋅礦深部礦巖體的物理力學性質及地應力場特性，對凡口礦深部礦床開採的巖爆防治措施進行了研究，並應用三維彈塑性有限元程序對各種防治措施引起的應力分佈進行了數值模擬分析，以期為凡口鉛鋅礦深部礦床開採的巖爆控制提供決策依據。
  9. According to the result of monitoringmeasurement and the test data of surrounding rock pressure, primary supportstress and structure internal force, analyzed the law of soft rock deformationin the extremely high ground - stress portion of baozhen tunnel, and adjusted therelevant construction parameter, that insured construction safety

    根據現場監控量測結果和對圍巖壓力、初支應力、結構內力的測試數據，分析了堡鎮隧道極高地應力段軟巖大變形的規律，及時調整相應施工參數，確保了施工安全。
  10. The data from xinbi high - slope shows that it ' s a stable slope. 3. the result of elasto - plastic finite element analysis shows that : ( 1 ) excavated - slope face would induce loose belt in rock ; ( 2 ) horizontal ground stress, joined rockmass and weak sandwich would make great unfavorable influence on slope stabilization and axial force of rock bolt

    有限元數值分析結果表明：邊坡的開挖會使坡面巖體產生松動帶；構造水平地應力、結構面、軟弱夾層對坡體穩定及支護在坡體上的錨桿的受力情況有較大的不利影響。
  11. At the end of this paper, two methods are given out to solve this problem : ( 1 ) to decrease the width to height ratio of the calculation model, make it not greater than 1 ; ( 2 ) to restrict horizontal displacement of lateral boundary / boundaries and to directly assign ground stress in the field of calculation model

    解決這一問題的方法有兩種： （ 1 ）使計算模型的寬高比盡量等於或小於1 ； （ 2 ）約束計算模型側面邊界的水平位移，在計算域內部給水平地應力直接賦值。
  12. As for non - uniform horizontal ground stress, it is realized generally by applying non - uniform pressure load on the lateral boundary / boundaries of the calculation model

    對于非均勻的水平地應力，一般是在計算模型的側面邊界上施加非均勻荷載來實現。
  13. Displacement back analysis and optimum design of excavation subsequence in underground engineering are important to reliability analysis of surrounding rock and detail design. in underground engineering the method to determine initial ground stress and mechanical parameters of surrounding rock mass and excavation subsequence is key problem to design and study

    地下工程位移反分析及開挖順序優化設計是地下工程圍巖穩定性分析與施工設計的重要內容，探討地下工程圍巖初始地應力與力學參數以及其開挖施工順序的確定方法是目前地下工程設計與研究的關鍵問題。
  14. First, based on comprehension analysis of the present study status on optimizing method to displacement back analysis in underground engineering home and abroad, intelligent optimizing method, which fits the features of underground engineering, has been developed by introducing annealing algorithm and genetic algorithm and improving them. second, according to practical features of nonlinear displacement for underground engineering, the mechanical model on back analysis to initial ground stress and mechanical parameters of surrounding rock mass in underground engineering is established, which is based on the measuring results of displacement of convergence in underground holes. while, by introducing finite element method and combining improved annealing algorithm and improved genetic - annealing algorithm, the theory and method of elastic - plastic displacement back analysis to surrounding rock in underground engineering has been founded

    首先，本文在綜合分析國內外地下工程優化位移反分析方法研究現狀的基礎上，引進模擬退火與遺傳演算法，並對其進行改進，建立了適合於地下工程問題特點的智能優化演算法;其次，根據地下工程非線性特點，基於地下工程洞周收斂位移量測結果，建立了用於地下工程初始地應力與圍巖力學參數反演分析的力學模型，並引進有限元分析手段，結合改進模擬退火演算法與改進遺傳-模擬退火演算法，分別建立了基於這兩種智能優化演算法的地下工程圍巖彈塑性位移反分析理論與方法，並開發了相應的分析計算程序，為地下工程圍巖穩定性與開挖順序優化分析奠定了基礎;然後，在上述基礎上，根據地下工程開挖施工順序優化設計的特點，建立了基於圍巖塑性區面積的地下工程開挖施工順序優化分析模型，基於改進模擬退火演算法與改進遺傳-模擬退火演算法建立了地下工程開挖施工順序優化分析方法，並開發了相應的分析計算程序;最後，將上述分析計算程序用於工程實例分析，探討了其應用方法，證明了該文研究成果的合理性和可靠性。
  15. Design of roadway bolting support for quot; isolated island quot; sublevel caving - in long wall workface based on the ground stress measurements

    基於地應力測試的孤島綜放工作面巷道錨桿支護設計
  16. The effect of underground water on ground stress measurement

    地下水對地應力測量的影響
  17. However, it is found that there is a certain relationship between simulated result of non - uniform horizontal ground stress and geometrical shape of calculation model : the greater the width to height ratio of the calculation model is, the more unsatisfactory the simulation validity is and the greater the difference between practical ground stress and simulated stress is

    通過簡單模型的模擬試驗，發現採用這種應力邊界條件對水平地應力的模擬效果與計算模型的幾何形狀之間有一定的關系：計算模型的寬高比越大，模擬效果越不理想，與實際的地應力狀況相差越大。
  18. Research on relationship between coal conductivity and ground stress

    煤的電導率隨地應力變化關系的研究
  19. Research on relation between ground stress and breaking of shaft in yanteng - xuhuai mining area

    徐淮礦區地應力與井筒破裂關系研究
  20. Application of bolt - grouting support method in controlling high ground stress crushed surrounding rock roadway

    錨注支護技術在高應力裂隙圍巖巷道控制中的應用
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