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1)  effective stress of weight
自重有效应力
1.
The effective stress for a double layered ground under one dimension upward seepage is divided into two parts of both effective stress of weight and effective stress of seepage, the former embodying the effect of hydrostatic.
渗流作用下土层有效应力由两部分组成 :一部分是自重有效应力 ,由重力引起的 ,体现了静水压力的影响 ;另一部分是渗透有效应力 ,是由土层水头差产生的 ,体现超静水压力的影响 ,文后给出了实例计
2.
The effective stress for a layered ground under one-dimensional upward seepage is divided into two parts of both effective stress of weight and effective stress of seepage, the forme.
渗流作用下土层有效应力由两部分组成:一部分是自重有效应力,它由重力引起,体现了静水压力的影响;另一部分是渗透有效应力,由土层水头差产生,体现超静水压力的影响。
2)  double effective stress
双重有效应力
1.
Introducing the poroelasticity and double effective stress theory,the authors of this paper get the relationship of the fluid pressure and the permeability,and the laboratory data is transformed to the in-situ data.
利用多孔介质弹性理论和双重有效应力理论,得到地层压力与地层平均应力的关系,并把实验室测量数据转换到地层条件下,并将这种关系应用到数值模拟中。
3)  effective gravity
有效重力
4)  gravitational effects
重力效应
1.
This paper deals with the extention of traditional wheel/rail interactions to wheel/roller case and investigating the gravitational effects under contact conditions with different wheel and rail(or roller)profiles.
机车车辆轮轨接触关系中重力效应是影响动力学性能的重要因素之一。
5)  gravity effect
重力效应
1.
In this paper, we calculated the gravity effect of water-impoundment in the front area of the Three Gorges reservoir on several different water levels with a high precise numerical simulation and compared the gravity anomaly obtained by numerical simulation with that by measured in a local gravity monitoring net during the first water-impoundment in the Three Gorges.
运用精密数值模拟算法,计算了三峡水库库首区不同蓄水高度的重力效应;对比分析了首次蓄水前后局 部重力监测网观测到的重力异常与模拟计算结果。
2.
In this paper,the gravity effects caused by the changes of seometric and physical parametere of a fault are discussed when the tectonic stresses applied to the fault without any models siven.
本文从断层在构造应力作用下有关参数发生变化这一情况出发,讨论它们的重力效应,所得结果表明,断层的几何参数和物性参数发生变化时,重力场将产生相应的变化。
6)  effective stress
有效应力
1.
Relation between effective stress and swelling stress of coal body;
煤体有效应力与膨胀应力之间关系的分析
2.
Effect of effective stress on fractured low-permeability sandstone reservoir pressure response;
有效应力对裂缝型低渗透砂岩油藏压力响应的影响
3.
Effects of soil layer construction on liquefaction of sandy soil by means of effective stress analysis method;
地层结构对砂土液化影响的有效应力动力分析
补充资料:有效应力原理
      土力学中的一个重要原理,是奥地利K.泰尔扎吉(又译太沙基)于1925年提出的。它的内容是:控制饱和土体体积变形和强度变化的不是土体承担的总应力σ,而是总应力与孔隙水压力σW之差,即土骨架承受的应力,即所谓有效应力σe。其表达式为:
  
  
  
  
   σe=σ-σW
  
  根据这一原理,通常采取加强土体排水措施,促使孔隙水压力消散,以便增大有效应力,达到提高工程稳定性的目的。在岩石力学和地震学中,也有人用这一原理来解释岩石强度的变化和地震前兆。
  
  

参考书目
   K.太沙基著,徐志英译:《理论土力学》,地质出版社,北京,1960。 (K. Terzaghi, Theoretical Soil Mechanics,John Wiley & Sons,New York,1943.)
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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