查询词典 span roof

At last, the wind pressure time serials derived from the rigid model wind tunnel experiment were adopted to calculate the wind induced vibrating response of this long span roof and awning system in time domain.

最后，本文利用刚性模型风洞试验中测得的风压时程，对此曲面屋盖及雨蓬结构在时域内进行了风振响应分析，得到每个节点的加速度响应。

The structure design process of Macao Dome is introduced, and important analysis results and technical measures are presented. Key problems such as deep foundation in earth fill seashore, extra long prestressed concrete flat slab on the ground floor, large span ellipsoidal steel roof structure and its overall stability are discussed emphatically.

介绍了该项目的结构设计情况和主要的结构分析结果和重要的技术措施，着重讨论了填海地区的深基础、首层超长预应力钢筋混凝土大板、超大跨度椭球面钢屋盖体系及其整体稳定等结构设计中的关键技术。

Comparisons between the results from the wind tunnel tests, numerical simulations and the field tests were performed to verify the accuracy of the CFD method. Then the advanced k-ε turbulence model was used to compute the mean pressures on a long span curve shaped roof with the front door open or not open.

在核实了数值模拟精度的基础上，运用改进的k-ε湍流模型对某曲面大跨网壳在大门开启和大门关闭两种不同工况下内、外表面的平均风压进行数值模拟研究，并考察了来流风向角和背景建筑对其风压分布的影响。

Proper orthogonal decomposition;large span roof;wind tunnel experiment ; reconstruction of pressure field;prediction of Pressure Field

本征正交分解法；大跨度屋盖；风洞试验；风压场重建；风压场预测

Keywords:computational wind engineering; equilibrium ABL; SST k-ω model; large span roof; shape factor of wind load

关键词］计算风工程；平衡大气边界层；SST k-ω；模型；大跨屋盖结构；风载体型系数

The application of the prior three-dimensional composite shock-proof bearing into the large span mesh roof structure has the following problems:(1) the level shock-proof bearing is series-connected with the vertical shock-proof device, the height of the bearing is large, so it is lack of stability ;(2) the horizontal displacement of the structure under earthquake is large,(3) it is lack of vertical pulling-proof ability, the bearing rotational capacity is insufficient.

现有的三维复合隔震支座要将其应用于大跨网格屋盖结构存在以下问题：(1)水平隔震支座与竖向隔震装置串连，支座的高度大，缺乏稳定性；(2)在地震作用下结构的水平位移较大；(3)缺乏竖向抗拔能力，支座转动能力不足。

Discussion on concept design of long span special steel roof structures

钢结构屋面，Steel roof，在线英语词典，英文翻译，专业英语

The influence of parameters such as high order mode shapes,horizontal and vertical power spectrum density,basic wind pressure, span and weight of the roof,damping ratio,terrain categories and support restraints, which are usually critical to the wind-induced vibration responses,are discussed.

尽管这些大跨屋盖结构的形式不尽相同，但它们都具有一些共同特点，即质量轻、柔度大、固有频率低、阻尼小等特点，它们都属于风敏感结构，因而风荷载就成为设计这些屋盖结构的主要控制荷载之一。

Furthermore,the influence of parameters such as the horizontal power spectrum density, basic wind pressure,span and weight of the roof,damping ratio,terrain categories and support restraints,which are usually critical to the wind vibration factor,are also discussed.

本文基于随机振动理论利用有限元程序ANSYS对大跨度实腹式钢梁在频域内进行了风振分析，讨论了高阶振型、脉动风速谱、基本风压、屋盖重量、地貌种别、阻尼比和支座约束等相关参数对屋盖结构风振响应和风振系数的影响。

The company occupies 35,000 square meters, the assets of 12 million yuan, plant area of 8000 square meters, 1000 square meters of office space, five million yuan to introduce advanced equipment, the existing cadres, employees 180 people, the company is a steel structure building design, scientific research construction in one of the high-tech enterprises, with a group of experienced senior and intermediate-level technical management talents, learn from the United States color plate arched roof technical standards, research and development of a set of complete and reliable theoretical basis for the high-level, high-speed construction span, non-support of the construction provides a new concept.

公司占地35000平方米，资产1200万元，厂房面积8000平方米，办公用房1000平方米，引进先进设备500万元，现有干部、职工180人，公司是一家集钢结构建材设计、科研、施工于一体的高新技术企业，拥有一批经验丰富的高、中级技术管理人才，借鉴美国彩板拱形屋面技术标准，研究开发了全套完整可靠的理论依据，为高水平、高速度建造跨度、无支撑建筑提供了一个全新概念。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。