1、

Study on diffracting and screening effects of cavities on axial stress waves in defense layer

防护层中孔穴对轴向应力波的绕射屏蔽效应研究

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2、

There are no bolts for axial stress of internal pressure and no metal gaskets.

没有受力螺栓,省去了金属垫片或垫块;

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3、

It is pointed that the actual axial stress should be calculated using the pressure-area method.

证明了正确做法应该是用压力面积法计算真实轴向力。

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4、

Discussion on the new design standard for tri-axial stress anti-collapse strength of casing string

关于套管柱三轴抗挤强度设计问题的讨论

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5、

The formula for calculating the axial stress of casing was discussed with theoretic deduction and calculation methods.

采用理论推导和计算方法,对套管轴向应力计算公式进行了讨论。

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6、

The complicated environmental loads may subject submarine pipeline to excessive axial stress, and even to failure sometimes.

同时,管道正常运营期间还受到管道内压、外压、管内流体粘滞力和土体摩擦力等环境荷载的作用。

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7、

The bending stress varies axially while the average axial stress changes a little.

此外,弯曲应力沿轴向有所变化,而平均应力基本不变.

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8、

The axial stress distribution after cooling is changed greatly under internal pressure.

介质压力对完全冷却后的轴向应力产生较大影响.

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9、

Influence of shear stress on the ultrasonic measurement of the axial stress of high strength bolts

扭转剪应力对螺栓紧固应力声弹性测量的影响研究

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10、

Axial stress in the zone is non-uniform and in its center the stress gets maximum.

在颈缩区域内轴向拉应力分布是不均匀的,在颈缩区域中部,其值最大,而在颈缩区域边缘,其值最小.

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11、

For in-depth analysis of loading transfer and bearing capacity property on pile body, preliminarily we had arranged rebar stress gauge on trial pole main reinforcement to measure pile body axial stress and inbuilted stress box under the pile to survey tip resistance.

为了进一步分析桩的荷载传递和承载力性状,预先在试验桩主筋上布置钢筋应力计以测量桩身轴向应力,在桩底埋设压力盒以测量桩端阻力。

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12、

Using the resonant column triaxial test and static triaxial test results, and based on elastic theory for 1% of axial strain, the deviator stress and G max are found to be related.

同时本研究利用静力三轴试验结果,以弹性理论推求于轴应变为1%时所对应之偏应力与最大剪切模量具有相关联性。

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13、

( b) For concrete in compression zone a stress-strain relation for repeated axial compressive cyclic loading, is adopted instead of that for reversed loading.

对混凝土受压区采用轴向重复加载的应力-应变关系而不是反复加载的。

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14、

The compressive strength and deformation tests for Lytag concrete specimens are carried out under 4 kinds of lateral stress levels and 4 stages of freeze-thaw cycle in a concrete static and dynamic tri-axial test system.

利用混凝土静、动三轴试验系统,完成了粉煤灰陶粒混凝土立方体试件在4组不同冻融循环次数、4种恒定侧压下的双轴压压强度和变形性能试验。

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15、

Mainly concentrated in the axial stress on the surface, cover and the base occupies a bit ( switch).

应力主要集中在轴的表面,盖与底座接合部位(开关处)。

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16、

The stress-strain curve of frozen soil under uni-axial dynamic loading behaved with strain softening, showing brittle behavior.

单轴动态加载下,冻土应力应变曲线表现为应变软化,显示出脆性材料特征。

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17、

The phenomenon of longitudinal fission seldom occurred during the process of tube plug drawing mill compared with empty-sunken steel tube. The problem which seldom cause transverse fissure in form of partial failure owing to uniform distribution of axial stress in cross section.

与空拔相比较,在短芯棒拔制过程中,纵裂现象一般不会发生,由于钢管轴向应力在横截面上分布均匀,一般也不会出现以局部破坏形式出现的横裂现象。

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18、

Second, according to the parameters based on the common tri-axial compression and lateral confinement compression test on the undisturbed soil sample, this paper calculate the soil stress between piles and dry density on the use of FORTRAN program, thus make some important conclusions.

其次,采用原状土样进行室内常规三轴试验及侧限压缩试验,确定试验参数,代入前述理论公式,借助FORTRAN语言计算桩间土土体应力及其干密度,得出了一些结论;

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19、

Calculation of shearing stress for axial drawing of transform section bar

变截面直杆轴向拉伸时的剪应力计算

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20、

When the axial residual stress exists, the stretching stress can reduce and the crushing stress can enhance the compressive strength.

而当在石油套管上存在轴向残余应力时,拉应力使石油套管的抗压溃强度降低,而压应力使石油套管的抗压溃强度有所提高;

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