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- The frame of mast derrick that is designed for hydraulic wheel tractor hoist adopt welding of armor plate,its section is oblong armor plate,and its material is HG60. 为满足液压轮式通井机的使用要求而设计的桅杆式井架采用板焊结构,主体截面为长方形的方形钢,材料为HG60。
- Finally, this paper expatiate on the theory and method of safety prewarning for guyed mast’ wind-induced fatigue. 从理论上提出了建立桅杆结构安全预警系统，对桅杆结构疲劳状态进行实时评估的方法。
- In order to solve this problem, a dynamic load identification method about guyed mast should be established. 要解决这个问题，必须建立作用在桅杆结构上的动力风荷载的识别方法。
- Therefore, the avoidance of the wind-induced fatigue rupture to secure the guyed mast structure has become the advancing front of civil engineering researches. 避免桅杆结构构件风致疲劳破坏的发生,保证桅杆结构的安全是已成为新世纪土木工程领域的一个前沿研究热点。
- The frame of mast derrick that is designed for hydraulic wheel tractor hoist adopt welding of armor plate,its section is oblong armor plate,and its material is HG60.Stability,static loads and fatigue life on a derrick are calculated in designing. 为满足液压轮式通井机的使用要求而设计的桅杆式井架采用板焊结构,主体截面为长方形的方形钢,材料为HG60。 对井架进行了稳定性、静强度和疲劳强度设计计算。
- The guyed mast is a extensive used tall and slender structure, which tends to generate wind-induced fatigue rupture that may cause the collapse of the whole guyed mast. 桅杆结构是一类应用广泛的高柔风敏感结构，较易因风力引起的结构构件疲劳破坏而造成整个桅杆结构的倒塌。
- Semi-active Control for Response of Guyed Mast by MR Dampers Subjected to Wind Loading[J].Earthquake Engineering and Engineering Vibration,2003,23(3):1-7. MR智能阻尼器对桅杆结构风振响应的智能半主动控制[J].;地震工程与工程振动;2003;23(3):1-7
- Static equation and nonlinear stiffness for space cable under arbitrary load are deducedthrough integral analysis. Nonlinear simplified equation for static analysis of guyed mast isgiven. 通过整体分析，推导出空间单索在任意荷载作用下的静力计算公式和空间索单元的非线性刚度方程.;在此基础上，给出桅杆结构静力分析简化计算的非线性方程式
- Calculation and stress test on 720 kN mast derrick 720kN桅杆式井架的设计计算和应力测试
- In this thesis, the problem is taken as engineering background to study the real-time assessment for the guyed mast’fatigue state, and the corresponding theory and method for it has been put forward . 本文以这样一个实际工程中的疑难问题为背景，对桅杆结构疲劳状态实时评估问题进行了系统的研究，提出了桅杆结构风致疲劳安全预警理论和方法。
- But in the system of safety prewarning for the guyed mast’ wind-induced fatigue, these variances can be vital, and they could result in the failure of the whole safety prewarning system. 但在桅杆结构风致疲劳安全预警系统中，这种差异则会导致预警失实而失效，所以应建立一套桅杆结构的有限元模型修正方法。
- Study on Guyed Mast Vibration Control by Use of SMA 利用SMA进行桅杆振动控制的研究
- Research on Cable of Multilayer Cable Guyed Mast 多层纤绳桅杆结构的纤绳工作研究
- Research on Wind Tunnel Experiment of Guyed Mast 桅杆结构风洞试验研究
- Auto-parametric Resonate Analysis of Guyed Mast 桅杆结构的自参数共振分析
- The ginpole is the simplest form of derrick. 起重吊杆是一种最简单的起重机。
- Static Model Experiments and Analysis of Guyed Mast 桅杆结构模型静力试验分析
- Analysis of wind-induced fatigue in guyed mast 桅杆结构风振疲劳分析
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- That lucky guy is a choice pickup for the girls. 那位幸运的男孩是女孩子们想把上的人。
