以运动学的坐标转换理论为基础，对汽车方向管柱在高速碰撞试验中的位置和姿态进行了动态分析。
Based on kinematic coordinates transform theory, the dynamic analysis of position and gesture of the automobile steering hub column in the high-velocity collision test was made.
经现场试验及应用，该管柱性能可靠，满足水平井分段压裂要求。
After field experiment and application, the string shows reliable performance, which can meet the staged fracturing requirement.
经室内试验和现场试验应用证明，该工艺管柱技术先进，换层可靠，经济效益和社会效益明显。
The results of tests show that the technology pipe string is advanced and reliable and has an obvious social and economical benefit.
文中论述了该工艺管柱的方案设计、管柱组成、工艺原理、技术特点、现场试验等情况。
The project design, pipe string's composition, technique theory, technology specialty and field experiment of the technique pipe strings have been discussed.
现场试验表明，这种管柱对聚合物的剪切率小于15 %，层段合格率达到10 0 %。
Onsite test shows that the shearing rate applied by pipe string was less than 15% and its qualification is 100%.
对利用外粘钢板加固的钢管柱承载力进行试验研究，测定了不同加固方法对其承载力的影响。
The influence on the bearing capacity of steel pipe column reinforced by different method with sticking steel plate is investigated by test.
运用可靠性方法，基于概率分析设计了单轴和双轴疲劳可靠性试验，得到了套管柱的单轴和双轴概率疲劳特性，推导出套管钻井的P — S —N 曲线方程。
The reliability tests both the axial fatigue and the biaxial fatigue of casing strings were designed by means of examination and numerical simulation, and the P-S-N curves were obtained.
采用方形空心钢管柱，分别对普通螺栓柱脚和带减震装置的柱脚进行低周往复加载试验，研究其恢复力特性。
Dynamic cyclic test was performed to study the hysteretic behaviors of steel exposed-column base with and without the device.
基于北京地铁四号线菜市口车站工程，介绍了钢管柱桩基的施工方案论证、技术措施和检测试验技术。
Based on Caishikou Station engineering of Beijing Metro Line 4, construction plan demonstration, technology measures and test technology about pile foundation of steel pipe column are introduced.
通过对宝钢不锈钢项目进行现场压强测量试验，得出钢管柱中压强随高度变化曲线，对压强损失有了更为清晰的了解。
Through onsite pressure measurement in Baosteel stainless project, the change curves of pressure accompanied with height in steel tube column are analyzed and the pressure loss is analyzed.
通过对宝钢不锈钢项目进行现场压强测量试验，得出钢管柱中压强随高度变化曲线，对压强损失有了更为清晰的了解。
Through onsite pressure measurement in Baosteel stainless project, the change curves of pressure accompanied with height in steel tube column are analyzed and the pressure loss is analyzed.
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