A wind turbine has a life span of at least 25 years.
风力透平的寿命至少是25年。
Wind load is one of the major loads in the design of a large span structures.
对大跨度空间结构而言，风荷载作用是结构设计中的主要荷载之一。
The wind load is one of the main control loads for the large span steel roof structure.
风荷载是控制大跨度钢屋盖结构设计的主要荷载之一。
As for the large span steel roof structures of irregular shape, the wind load is one of the main control loads in the design.
对于体型复杂的大跨度钢屋盖结构来说，风荷载是控制结构设计的主要荷载之一。
It is impossible and costly to carry out detailed buffet analysis in the bridge conceptual phase and many short span bridge designs because the wind load on bridge is complicated.
桥梁风荷载很复杂，在桥梁初步设计阶段没有必要进行精确地抖振分析。
An elaborate method is developed to analyze equivalent static wind loading (ESWL) of large span roofs, in order to cope with the problem of multi-mode vibration of these structures.
针对大跨度屋盖结构多振型参与振动的特点，提出了一套确定该类结构等效静力风荷载的精细化方法。
Relative to the seismic - resistant design, no corresponding items in criterions can be referred to wind - resistant design of the large span steel roof structures up to now.
相对于抗震设计而言，大跨屋盖结构的抗风设计，目前尚无设计规范可依。
Wind load is one of the major dynamic loads on structures. Especially for high and long span buildings, it must be considered in the design.
风荷载是作用在结构上的重要动力荷载之一，尤其对于高层、高耸及大跨结构来说，设计中必须考虑风荷载的作用。
Wind Loads nonlinear static instability theory, derived for calculating the nonlinear stiffness matrix, and the development of long-span Bridges in the nonlinear static.
风荷载作用下的非线性静力失稳理论，推导了适合计算的非线性刚度矩阵，并开发了大跨度桥梁的非线性静力。
Through the combination of image recognition technique with ANN system, wind load simulation of long-span structures is presented.
将图像识别技术和神经网络(ANN)系统相结合，给出了大跨度结构风荷载的模拟方法。
In this paper, by use of FEM, the effects of wind and earthquake action on an enclosed conveyer-belt corridor with a span of 112.6-metres has been discussed.
本文对某矿112.6米的封闭式皮带走廊用有限元的方法计算了它在地震力和风力作用下的效应。
To improve the wind stability performance of long span suspension Bridges is an important subject in the design and construction.
改善抗风稳定性能是大跨度悬索桥设计和建造中的一个重要课题。
Based on the wind tunnel tests for large span cantilevered flat roof, the distributing characteristics of mean local shape factor and extreme local shape factor of the roof are studied.
本文结合一大跨悬挑平屋盖模型的风洞试验研究，分析了此类结构屋盖的平均局部体型系数和极值局部体型系数的分布特性；
The random simulation of dynamic wind load for large-span structures is studied. Wind speed processes based on artificial neural networks are generated.
研究了大跨空间结构脉动风荷载的随机模拟技术，基于神经网络进行了风速时程的随机模拟。
Especially for high-rise buildings, super high-rise buildings, tower structures and long span Bridges and structures, wind load often ACTS as the control one in all kinds of loads.
尤其是对于高层、超高层结构、高耸结构以及大跨度桥梁和建筑结构，风荷载往往是起控制作用的荷载。
In the wind simulation of long-span spatial structure, both time and spatial correlation and local non-Gaussian characters should be considered.
大跨空间结构的风速模拟需要考虑风的时间和空间相关特性以及局部区域内风载的非高斯特性。
The fluctuating pressure on the large-span complex roof of Guangzhou International Meeting and Exhibition Center were investigated by means of wind tunnel test, The test results have been analyzed.
介绍了复杂大跨屋面的脉动风压风洞试验研究方法和广州国际会议展览中心屋面脉动风压风洞试验的结果，并对结果进行了分析。
So, wind resistant stability is the controlling factor that determining the safety of long-span bridge structures.
抗风稳定性往往成为决定大跨桥梁结构安全性的控制因素。
It is shown that the cable wind load affects remarkably the aerostatics of long-span suspension Bridges, but its effect on the aerodynamic stability becomes negligible.
结果表明：缆索风荷载对悬索桥静风效应的影响比较显著，但对于空气动力稳定性则没有影响。
Parameter analysis and comparison, given static wind affect the stability of long span cable-stayed bridge main parameters.
参数分析与比较，给出影响大跨径斜拉桥静风稳定性的主要参数。
In wind speed time history simulation of large-span spatial structures, both time and spatial correlation should be considered.
大跨空间结构风速时程模拟需考虑风的时间相关性和空间相关性。
Wind tunnel test of Guangzhou air-mail processing center was carried out to investigate the internal wind effect for long-span roof structure with openings.
结合广州航空邮件处理中心风洞试验，研究了开孔大跨屋盖结构的内部风效应。
Flutter derivatives play very important roles for determining the flutter critical wind speed and buffeting responses of long-span Bridges.
气动导数是大跨桥梁结构颤振和抖振分析中确定颤振临界风速和抖振响应的重要依据。
In China, the high rise structures load code is used for the large span spatial structures, only the first frequency is taken account for the wind vibration analysis, which is not reasonable.
我国现在仍是采用高耸或高层结构的荷载规范，只取结构的第一阶频率计算风振系数，按此方法进行大跨空间网格结构的风振分析是很不合理的。
Static and dynamic wind loading is a key consideration in the structural design of large-span steel domes which are wind induced sensitive structures.
大跨度钢结构穹顶为风敏感结构，准确得到平均风荷载和风振力对工程设计非常重要。
The exact simulation of atmospheric boundary layer is not only the precondition of the wind tunnel test of the large span roof structures, but also a difficulty of its.
大气边界层的正确模拟是用风洞试验测量大跨屋面风荷载的前提，也是风洞试验研究的难点。
The exact simulation of atmospheric boundary layer is not only the precondition of the wind tunnel test of the large span roof structures, but also a difficulty of its.
大气边界层的正确模拟是用风洞试验测量大跨屋面风荷载的前提，也是风洞试验研究的难点。
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