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应力及裂缝
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  stress and fracture
     This paper studied the characteristics of ground stress and fracture by applying core analysis, logging interpretation, fracturing analysis and micro seismic wave method, discussed the distribution of ground stress and fracture and their relation, along with numerical simulation over ground stress field.
     利用岩心分析测定、测井解释、压裂过程分析和微地震波法等多种监测手段,研究了地应力及裂缝特征。 结合地应力场的数值模拟工作,描述了地应力与裂缝的分布以及二者之间的关系。
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     This paper determines the character of stress and fracture of Toutunhe reservoirs in Luliang oilfield,by testing core and analyzing the data of hydraulic fracture.
     应用岩心测试、水力压裂等资料分析了陆梁油田头屯河组油藏的地应力及裂缝特征。
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  “应力及裂缝”译为未确定词的双语例句
     An Analytical Method of the Adhesive Stress and the Width of Cracks in Centrically Tensive Reinforced Concrete Bars
     钢筋混凝土轴心受拉构件粘结应力及裂缝宽度计算
短句来源
     The formula of strain and crack width of temperature and contraction with no varying place constraint con detion are deduced,capale be design basis for crack control of R. C structure.
     阐述了砼结构体表比和约束比对温度和收缩应变和裂缝的影响程度,推导出R.C结构在四周无变位边 界约束条件下的温度和收缩应变、应力及裂缝宽度计算公式和运用实例。
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     Besides,the effect of the ground stress and the fractures in Daqing oilfield water flooding development is further discussed.
     同时 ,在地应力及裂缝对油田注水开发中的作用方面进行了深入探讨。
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  相似匹配句对
     3 、 Crack breaking induced by thermal stress;
     3、温度应力产生的裂缝;
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     The Stress Analysis of Bitumen Pavement Cracks Structure
     沥青路面裂缝结构应力分析
短句来源
     STRESS ANALYSIS ON FRACTURE AND NEAR WELLBORE
     裂缝井眼附近的应力分析
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     Treatment of concrete temperature cracking
     混凝土温度应力裂缝其处理方法
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     Research on Crack and Temperature Stress of Massive Concrete
     大体积混凝土裂缝温度应力研究
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  stress and fracture
As a result, both yield stress and fracture toughness decreased with a decrease in the interfacial adhesion, and the decrease was found to occur as a result of interfacial debonding.
      
The MSD problem of a PSE is considered, where the uncertainties in crack initiation and crack growth as well as yield stress and fracture toughness are described by random variables.
      
Elementary stress and fracture mechanics calculations indicated that the maximum fatigue stress was below the stress needed to "unlock" the spherically rounded rod end from its seating.
      
In addition, the permeability is varied with the states of stress and fracture.
      
In addition, yield stress and fracture toughness of the composites are significantly affected by thermal residual stresses.
      
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縄n light of the test results of four PPC beams under static loading and eight under fatigue loading,initial static cracking process and influence of fatigue loading on the non-prestressed reinforcement stress and crack width of those beams are investigated. It is pointed out that, because the limit value of crack width is rather small,the crack development under design service load will be in an unstable state, at this moment,concrete in flexure-tension zone has a significant contribution relative to tensile...

縄n light of the test results of four PPC beams under static loading and eight under fatigue loading,initial static cracking process and influence of fatigue loading on the non-prestressed reinforcement stress and crack width of those beams are investigated. It is pointed out that, because the limit value of crack width is rather small,the crack development under design service load will be in an unstable state, at this moment,concrete in flexure-tension zone has a significant contribution relative to tensile reinforcement, and the influence of fatigue loading on the non-prestressed reinforcement stress and crack width is mainly attributed to concrete cracking in flexure-tension zone during fatigue loading.Moreover, the feature of fatigue failure of PPC beams with mixed reinforcement is described, and static strength of three beams experienced fatigue loading is also presented. 【

作者根据四片静力循环加载和八片疲劳加载部分预应力混凝土梁的试验结果,重点分析了梁的裂缝开展过程以及疲劳加载对梁的钢筋应力和裂缝宽度的影响,指出由于部分预应力混凝土梁的裂缝宽度限值较小,在设计使用荷载下梁的裂缝开展仍处于不稳定的发展状态,裂缝处受拉区混凝土相对于受拉钢筋仍具有相当明显的作用。疲劳加载对钢筋应力及裂缝宽度的影响主要归因于受拉区混凝土的进一步疲劳开裂。此外,还分析了混合配筋部分预应力混凝土梁的疲劳破坏特征以及疲劳加载对梁的静力强度的可能影响。

The formula of strain and crack width of temperature and contraction with no varying place constraint con detion are deduced,capale be design basis for crack control of R. C structure.

阐述了砼结构体表比和约束比对温度和收缩应变和裂缝的影响程度,推导出R.C结构在四周无变位边 界约束条件下的温度和收缩应变、应力及裂缝宽度计算公式和运用实例。

Thermal crack is harmful to concrete structure. Research of the temperature stress and crack has got great progress. With two instances the failure maybe take place during the concrete early age is indicated. So concrete temperature stress, shrink stress and tensile strength should be monitored as soon as thermal stress coming into being and through out the whole process of tensile strength's development.

温度裂缝严重危害大体积混凝土的结构安全 .目前 ,对混凝土温度应力及裂缝的研究不断深入 .两个工程实例的研究表明 ,因温度及干缩而产生的拉应力破坏可能发生在混凝土早龄期 .因此 ,为防止大体积混凝土温度裂缝产生 ,对温度和干缩应力与混凝土强度的验算应从混凝土产生温度应力的起点开始 ,贯穿其应力发展的全过程

 
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