strain section

The strain of the thin-walled ring section beam is investigated theoretically and experimentally. The result shows the local strain varies as the cosine function of twice the positional angle.

对圆环形薄壁截面梁的应变进行了理论与实验分析，结果表明圆环形薄壁截面梁各点应变与该点角度的二倍呈余弦变化关系。

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According to strain analysis of points around the circumference of a tensile specimen with circular crosss section, a new extensometer is developed to eliminate automatically the influence from eccentric loading.

本文基于拉伸圆截面试样圆周上各点的应变分析，提出一种自动消除载荷偏心影响的引伸计。

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On the big or small conical wall, the strain of area whose distance between cross-section profile and center increasing during spinning is bigger than the one of decreasing.

在同一个圆锥面侧壁，横截面轮廓至中心距离增大一侧的应变比减小一侧的大。

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A build-up of strain on a section of the San Andreas Fault has been detected.

已经勘测到圣安德烈亚斯断层的其中一处所承受的拉力在增强。

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Concrete and masonry is weak in tension and crack when the tensile strain is of the order of 0.000 2~ 0.000 5, the dangerous section of split is very dangerous.

砼及砌体抗压强度高，抗拉强度很低，极限拉应变约为0.0002～0.0005，危险截面是脆性破坏，因此裂缝的出现和开展是危险的。

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The three-dimensional effects of pile head and applicability of plane-section assumption are main problems in low strain dynamic tests on cast-in-situ concrete thin-wall pipe piles.

现浇薄壁管桩低应变检测时，存在桩头三维效应以及平截面假定的适应性问题。

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In addition, practical calculating method for concrete structure time deformation and shrinkage are improved when using steel chord strain gage actual measure the key section of main tower.

本文还针对目前在混凝土结构中普遍采用的预埋钢弦应变计进行应力实测的方法，改进了分析主塔混凝土索塔收缩、徐变的有效方法，为得到索塔真实应力提供了可靠保证。

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In practical engineering application, we use special cables to connect strain gauge host and junction box nearby, every strain measuring point on each measuring section use long wire to connect to the junction box.

在实际工程应用中是将应变测试仪主机和接线箱使用专用电缆就近连接，各测试断面上的每个应变测点都通过长导线连接到接线箱上。

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