tension bolt

Install high-tension bolt after check and accept of structural center's position.

结构中心位置经调整检查无误后,即安装高强度螺栓.

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Referring to the sonic-elasticity principles, a indirect method is proposed for bolt tension measurement, based on the relation between the axial tension of high strength bolt and the time difference for the echo to return from the opposite end before and after the bolt is tightened.

论文依据声弹性原理，提出了利用高强度螺栓轴向应力与拧紧前后超声波渡越时间差的关系，结合螺栓材料系数、夹紧厚度等参数，间接检测螺栓轴向应力的方法。

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The model of the aluminum alloy wheel classified as 16 x 6.57 is built. Static stress analysis is carried out to study the influence of bolt pre-tension, centrifugal force and the cornering force to the structural as well as the distributing rule of stress and strain.

首先根据试验工况建立起16×6.5J车轮的有限元模型，通过静力分析研究螺栓预紧力、旋转离心力和试验弯矩对车轮结构强度的影响以及车轮结构的应力应变分布规律。

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It is difficult to pull out the bolt with ordinary socket wrench that can not provide axial tension because of the bolt drilling hole deformation and the collapse of holes.

煤矿井下可回收锚杆一般用于煤层巷道，由于锚杆钻孔的变形和塌孔等原因，用普通套筒扳手拆卸锚杆时，因不能给锚杆提供轴向拉力，很难将锚杆拆卸拔出。

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Ultrasonic measurement of high strength bolt axial tension in steel construction

钢结构工程中高强度螺栓轴向应力的超声测量技术

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Intercondylar Fracture of Humerus Treated with Radio-flank Tension Band and Pull Bolt

桡侧张力带结合拉力螺钉内固定治疗肱骨髁间骨折

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The quality guaranty at connections with high tension connecting bolt in Xupu Bridge

徐浦大桥高强螺栓连接质量保证

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Firstly, this paper does theoretical research when tension acts on the bolt tip, and derives the distribution law of the bolt shear stress and axial force, and defines three different bolt stress state.

首先，本文对锚杆端部受拉力时做了理论研究，推导出锚杆剪应力与轴力的分布规律，并定义了锚杆三种不同的受力状态。

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To guarantee the reliability and security of the steel construction, the clamp load of the joint bolt should be under strict control, sometimes even the tension of the bolt should be measured on-line.

为确保钢结构工程的可靠性和安全性，必须严格控制连接螺栓的紧固力，必要时还要在线监测螺栓工作应力。

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