大跨度屋盖围护结构的设计风荷载研究。
Research on the wind-resistant design methods of long-span roofs.
首先建立了脉动风荷载的功率谱密度函数矩阵。
The matrix of power spectral density function of fluctuating wind load is established first.
风荷载是控制大跨度钢屋盖结构设计的主要荷载之一。
The wind load is one of the main control loads for the large span steel roof structure.
风荷载的数值模拟在结构设计中起着非常重要的作用。
Numerical simulation of wind loads is critical in design of structures.
作用在建筑物表而的风荷载是一个空间和时间的复杂函数。
Wind pressures acting on buildings are complicated functions of both time and space.
不对称结构在风荷载作用下，将引起平移和扭转的耦合运动。
Under the action of wind loading, motion coupled with translation and torsion will occur for unsymmetrical structures.
在横向荷载(尤其是风荷载)作用下，容易产生较大的变形。
Then it will deform very easily when subjected to horizontal loads, especially the wind load.
初步解决了高耸结构在风荷载作用下安全使用概率的计算问题。
The problem for calculating the probability of serviceability of towering structures subjected to wind loads is thus primarily solved.
重点对结构等效静力风荷载背景分量的确定方法进行了系统分析。
The methods to obtain the background component of structural equivalent static wind loads systemically are discussed.
通过风洞模拟实验对双曲面形屋盖的平均风荷载特点进行了研究。
Wind loading on a hyperboloid roof of a stadium was conducted by means of wind tunnel test.
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。
Wind load is one of the major loads in the design of a large span structures.
本文以异形椭球网壳为研究对象，分析了其表面的风荷载与静力特性。
Taking deformed ellipsoid latticed shell as the investigation object, we analyzed its surface wind force and static performance.
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。
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.
在荷载计算部分，较为深入的研究了考虑空间效应的风荷载的计算方法。
In the load calculator part, the paper lucubrates the calculation of wind force considering the spatial effect.
正确分析风荷载对结构的动力作用是设计既经济又安全结构的重要保障。
Proper analysis of wind-force's dynamic effect on structures ensures economy and safety in designing structures.
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。
In this thesis, the dynamic load identification of guyed mast method in time domain based on modal analysis is analyzed.
建筑物的交叉墙将一起工作，将风荷载传递到基础，使其在内部保持中空。
The building's crossed walls would work together to spread and carry wind load to the foundation, allowing it to remain hollow on the inside.
此外，通过降低悬挑部分的高度以研究几何参数变化对平均风荷载的影响。
Moreover, the cantilever height of roof edge was artificially lowered to investigate its effect on the mean wind loads.
这些结构都属于风敏感性结构，因而风荷载成为控制其结构设计的主要荷载。
These structures all belong to the wind sensitivity structure, as a result the wind load carries to become the main loads that controls its structure design to carry.
风荷载对于建筑物来说是一项非常重要的荷载，是建筑结构设计中不可缺少的。
Wind load is a kind of important loads to the buildings, and it is indispensable in the structure 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。
As for the large span steel roof structures of irregular shape, the wind load is one of the main control loads in the design.
分析在不同风荷载作用下的材料非线性及几何非线性的稳定性，得出不同的结果。
The analysis under the different wind load function's material misalignment and the geometry misalignment stability, obtains the different result finally.
作者基于等效风谱理论，给出了高层建筑结构在风荷载作用下可靠度分析的方法。
In this paper, reliability analysis method of tall building under the action of wind is put forward based on the equivalent wind spectrum theory.
本文提出一种风荷载作用下列车-桥梁体系动力可靠性分析的随机过程峰值分析法。
In this paper, a method of stochastic process extreme analysis for the dynamic reliability of train-bridge system under random winds is proposed.
本文推导了悬挑屋盖空间动力响应的理论公式，提出了等效静力风荷载实用计算方法。
This paper derives formulae for spatial wind-induced dynamic response of cantilevered roofs and presents calculation practical method for equivalent static wind load.
就桥梁的静风响应进行了分析研究，对桥梁静风荷载和阵风等效静力风荷载进行了推导。
The static wind response of the bridge is analyzed. The static wind loads and the equality loads of gust wind are derived.
采用有限元方法对秦皇岛港煤堆场防风网结构在风荷载作用下的静、动力响应进行分析。
The static and dynamic response analyses on wind excitation of the windbreak structure around the coal store yard of Qinhuangdao Port are conducted.
在各章节中，又具体根据两种主要荷载形式（竖向屋面均布荷载和水平风荷载）分别研究。
Meanwhile, the research in each chapter is classified as vertical uniform load cases and later wind load cases.
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。
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。
Through the combination of image recognition technique with ANN system, wind load simulation of long-span structures is presented.
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