连续油管在工作时除受卷绕弯曲和拉伸载荷作用外,管内常受到内压作用,承受三轴应力。
When working, coiled tubing is loaded by bending, drawing and inside pressure, so that it would bear three dimension stress.
用近似解析方法推导出拉伸正交各向异性有限宽板偏心圆孔的应力集中系数的显式表达式,除了比较极端的情况外,该式的精度较好。
Using an approximate analytical method, the explicit expression of stress concentration factors is derived for an eccentric circular hole in a tension orthotropic finite-width strip.
竹浆纤维除断裂伸长外。其各项拉伸断裂力学性能指标均远远低于竹原纤维。
In addition to bamboo fiber elongation, but its tensile mechanical properties were far below the bamboo fiber.
囊包括密封的外屏障物、泡沫拉伸构件和流体。
The bladder includes a sealed outer barrier, a foam tensile member, and a fluid.
叙述了外装式门锁锁扣拉伸模的设计,着重介绍了拉伸工艺及试模中出现的问题和解决方案。
Stated the design method of drawing die for the lock catch of outside install door lock, introduced the drawing technology and problems appearing in die testing and solution.
接枝后的聚丙烯酰胺树脂除了具有良好的湿拉伸强度性能外,还可以大幅度地提高纸张的干拉伸强度。
The grafted polyacrylamide resin not only possesses an eminent wet tensile strength, but also raises significantly the dry tensile strength of paper.
模拟采用原子镶嵌势描述原子间作用,得到镍单晶薄膜的弹性模量,分析了拉伸过程中系统原子能量、应力变化和外荷载的关系。
The evolvement of atomic energy and arrangement of atoms in the model, the initiation and expansion of damage and the elastic modulus of monocrystalline nickel were obtained.
比较了获得拉伸蠕变破坏荷载-时间曲线以及蠕变应变-时间曲线的试验方法,给出了外推这两种蠕变曲线数据的处理步骤。
The methods of creep test to get both curves of tensile creep rupture load vs time and creep strain vs time are compared. The procedures to extrapolate the two types of creep curves are presented.
结果表明:在拉伸外荷载作用下,灌浆体对玻璃钢杆的剪应力并不随杆体长度均匀分布;
The study results show that: the shear of grout on FRP rods does not vary uniformly with the length of rod;
结果表明:在拉伸外荷载作用下,灌浆体对玻璃钢杆的剪应力并不随杆体长度均匀分布;
The study results show that: the shear of grout on FRP rods does not vary uniformly with the length of rod;
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