主应力方向的英文

• direction of main stress
• direction of principal stress

• "方向"英文翻译    direction; orientation
• "平均主应力方向" 英文翻译 :    mean principal directions of stress
• "应力方向" 英文翻译 :    stress direction
• "最大应力方向" 英文翻译 :    direction of the maximum stress
• "最大剪应力方向" 英文翻译 :    direction of maximum shear stress
• "主应力" 英文翻译 :    main stress; major stress; primary stress; principal stress; principle stress; prinipal component of stress; prinipal stress
• "力方向" 英文翻译 :    force irection
• "主应变方向" 英文翻译 :    principal strain directions
• "次主应力" 英文翻译 :    secondary principal stress
• "大主应力" 英文翻译 :    major principal stress
• "单位主应力" 英文翻译 :    principal unit stress
• "等主应力线" 英文翻译 :    isobar; line of equal principal stress; stress contours
• "第二主应力" 英文翻译 :    intermediate principal stress; minor principal stress; second principal stress
• "第三主应力" 英文翻译 :    minor principal stress
• "第一主应力" 英文翻译 :    first principal stress; major principal stress
• "径向主应力" 英文翻译 :    radial principal stress
• "平均主应力" 英文翻译 :    mean principle stress
• "视在主应力" 英文翻译 :    apparent principal stress; modified principal stress
• "小主应力" 英文翻译 :    minor principal stress
• "压缩主应力" 英文翻译 :    compressive principal stress
• "有效主应力" 英文翻译 :    principal effective stress
• "中间主应力" 英文翻译 :    intermediate principal stress
• "轴向主应力" 英文翻译 :    axial principal stress
• "主应力比" 英文翻译 :    principal stress ratio; ratio of principal stresses
• "主应力差" 英文翻译 :    deviator stress

• The directions can be obtained by removing the quarter-wave plate and following the procedure for plane polarized light or by interpolation .
  可将四分之一波片卸去，并按平面偏振光法或内插法来决定其主应力方向。
• It can realize visualization and automatic map drawing of the results . 6
  同时，还沿最大水平主应力方向发生侧向运移。
• ( 6 ) the principal stress direction arised deflexion obviously after excavation , the maximum principal stress paralled to opening , minimum principal stress vertical to sidewall or vault
  ( 6 )数值模拟研究表明，隧道开挖后，主应力方向发生明显偏转，最大主应力与开挖临空面平行，最小主应力近于垂直。
• It analyses the influence of , dilatancy , rotation of soil cell ' s principal stress , pore water pressure and the damage softening . the author puts forward a critical value of 0 . 01d - 0 . 02d to judge the pile - soil slippage
  分析了c 、的异步发挥，土的剪胀性，土单元主应力方向旋转，孔隙水压力以及损伤软化对侧阻发挥的影响。
• Depending on how the ground surface is denuded , the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures , it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement . the evolving degree of the regional geomorphology evidently affects the current crustal stress field , which changes from the self - weight stress field to the horizontal stress field , with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country . in valley area , where there is two stress belts , the bankslope s tress belt and the self - weight stress belt within the mountain . the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt . it is nearly vertical in the self - weight stress belt
  通过本文的研究成果，根据区域性地貌的演化特征，我们可以大致地对现今地应力场进行判断：在分级卸荷条件下，岩体中弹性变形的恢复具有明显的规律性，这种规律对于研究地应力场的演变是有帮助的；地应力场中最大主应力方向与区域构造形迹在最近的构造运动中所受区域性挤压应力的方向无明显的对应性；区域性地貌形态的演化程度对现今地应力场的特征具明显的影响，随着区域性地貌侵蚀程度由峡谷区、丘陵区、平原区的变化，现今地应力场特征由自重应力场、水平应力场为主含少量自重应力场特征向水平应力场的规律变化；在峡谷区，山体中具有两个应力带：自重应力带和卸荷应力带，最大主应力方向在卸荷应力带中近平行于坡面并倾向于河谷、在自重应力带中近于直立；根据原始地面遭剥蚀的程度，可以大致地估算最大主应力和中间主应力的量值和方向；在丘陵区和平原区，最大主应力的方向近于水平，并与附近区域性侵蚀盆地和河流的展布方向基本平行，根据原始地面遭剥蚀的程度，可以大致估算其最大主应力的量值；根据区域性地貌形态的特征来分析工程区的现今地应力场特征，并进而大致了解岩石的应力环境，这种分析方法得出的结论与许多实际的地应力测试成果基本一致，对于大型水电工程地下厂房和压力隧洞的设计是有所帮助的。
• The surface of natural fracture ( crack ) is parallel to the orientation of maximum principal stress . the principle orientation of anisotropic permeability reservoirs agrees with the orientation of the maximum principle stress . many engineering problems ( e . g . bore - hole stability , casing deformation failure during drilling , reasonable arrangement of wells , the optimum design of hydraulic fracture and so on ) are influenced by the in - situ stress orientation
  天然裂缝面和裂隙面与最大主应力方向平行；在各向异性低渗透率油田中主渗透率方向与最大水平主应力方向趋向一致：在钻井过程中井壁稳定性，套管变形和损坏，油田开发井网合理布置、水力压裂优化设计等都与地应力方向有关。
• Using the angle between orientation of maximum principal compressive stress and strike of source - faults , the vertical seal and open features of source - faults in the end of yimin stage sedimentary period ( the main oil gas accumulation period ) are studied , showing that the source faults in the central area are poorly sealed and well opened in vertical direction and ant the main migration pathway of oil gas generating and expelling from the source rock of nantun formation
  利用最大主应力方向与源断裂走向之间夹角大小，对贝尔凹陷布达特群源断裂在主要成藏期伊敏组沉积末期的垂向封闭与开启性进行了研究，得到了贝尔凹陷布达特群源断裂在凹陷中部垂向封闭性差，开启程度高，是南屯组源岩生成排出油气向布达特群运移的主要输导通道这一认识。
• In this paper analyzing reservoir depositional features , lithologic features , developing law of sand body , reservoir physical properties , microporosity structure and the principal direction of maximum horizontal stress of leng 43 block , some factors affecting the effect of development and choice of development ways are studied
  本论文从研究储层沉积特征、岩性特征、砂体发育规律、储层物性、微观孔隙结构特征、最大水平主应力方向等内容入手，分析储层特征尤其是储层非均质性对开发效果和开发方式的影响，并针对下步转换开发方式进行了研究。
• Obtain these chief research achievements . ( 1 ) the method of hydraulic fracturing , kaiser effect experiment and the finite element numerical simulation computation results , the direction of maximum horizontal principal stress intersect the small - angle of tunnel axial line , it is favorable to the stability of tunnel peripheral rock ; according to the test rust of field stress - relief method , at the present time , zhe gu mount tunnel have n ' t access to high crustal stress site , maximum principal stress magnitude is 17mpa ~ 20mpa
  主要获得以下研究成果： ( 1 )综合水压致裂法、室内岩石kaiser效应试验和有限元数值模拟计算研究成果，最大水平主应力方向与隧道洞轴线小角度相交，对隧道围岩稳定性有利；根据现场应力解除法测试结果，目前鹧鸪山隧道尚未进入高地应力段，最大主应力量级为17mpa 20mpa 。

• 主应力方向的日语：おうりょくのしゅじく しゅおうりょくほうこう