供桁 的英文怎麼說
中文拼音 [gōnghéng]
供桁
英文
arched girder-
And the basal laws of these changes are also summed up in the paper. in the paper, rectangle concrete cross section with steel band to replace approximatively the mutil - limb steel tubular truss section is brought up to calculate and check calculation in the cfst arch bridge. the method has been verified partially by the procedure algor93 and can be applied in actual engineering
本文提出在鋼管混凝土拱橋的內力計算及設計驗算時，可用帶有鋼帶的矩形混凝土截面近似代替多肢桁式鋼管混凝土拱截面，並通過algor93程序進行計算分析，在部分方面驗證了這種近似替代的可行性，為實際工程設計中計算多肢桁式鋼管混凝土拱橋提供了一種可行的計算模式。Based on a series of testing, examination, research and analysis conducted how to lift the speed on nanking section, jinhu road, we explore the possibilities of solving the obstacles of nanking segment of bridges for realizing railroad speed - lift soon due to its subframes and steel plate beams. we produced authentic and convincing data. 3
通過對京滬線南京段部分橋梁為實現鐵路提速而進行的一系列實驗、檢測、研究和分析，探討了成為制約干線提速瓶頸的下承鋼板梁及半穿式鋼桁梁進一步提高運行車速的可能性，為此類結構的橋梁提速提供了可信的依據。During the transverse analysis, as the discussion of frame bracing condition that exists in the new vision < code for design of steel structures > gb50017 - 2002 has been lead into the stability analysis of staggered truss system, the concept of strong and weak bracing staggered truss system, and the concrete dividing standard are also given, so that makes the staggered truss stable theory have a good link with the new code, and provide theory guarantee for designers
橫向分析時將我國新修訂的《鋼結構設計規范》 gb50017 - 2002中，關于框架體系支撐條件的論述引入到錯列桁架的穩定分析中，提出了強支撐錯列桁架體系和弱支撐錯列桁架體系的概念以及具體的劃分標準，使得錯列桁架的穩定分析可以與新規范很好的對接，為設計人員的使用提供了理論保障。By way of research staggered truss system space cooperation work principle, the text has systematically given out the plane structure computational module and the elastic static computational method, and provides a detailed calculation example
通過對錯列桁架體系空間協同工作原理的研究，首次系統地給出了可以考慮扭轉效應的平面結構計算模型和彈性靜力計算方法，並提供了過程詳盡的計算實例。In this thesis, it is the first time that both 3d analysis concerning material and geometric non - linear and test research have been carried on the staggered truss system. supported by the science and technical research foundation of ministry of education ( no. 99089 ), the national natural science foundation ( no. 50078021 ) and college doctor foundation of ministry of education ( no. 2000053203 ), this thesis is aimed at offering convicting evidence for the coming 《 technical specification for steel structure of light - weight building systems 》
本文結合教育部科學技術研究重點項目（項目號99089 ） ，和國家自然科學基金（批準號50078021 ） 、高校博士點基金（批準號2000053203 ）等資助項目，首次對交錯桁架結構體系展開空間三維的二階彈塑性全過程分析和模型試驗研究，旨在為該結構在工程中的應用提供設計依據，為我國制定《輕型房屋鋼結構技術規程》提供理論基礎。At first, after the dynamic characteristics of the plane and the spatial supporting systems were studied, fore some steps fixed frequency and shape of vibration were gained. secondly, several design parameters which influence the dynamic characteristics of this kind system were discussed, including pre - tension value in the cable, cross - section of the cable, cross - section of steel - bar and form change. some applied decisions were found
首先，對平面和空間索桁支承體系的自振特性進行研究，得到體系的前幾階固有頻率和振型形式；進而探討了索的預拉力、拉索截面面積、撐桿截面面積、形狀改變（撐桿長度l ）等主要設計參數對體系自振特性的影響，得出了一些有益的結論，為體系設計和施工提供意見和依據；最後，對體系的風振特性進行了分析，用幕墻風荷載規范對幾種索桁支承體系形式進行風荷載計算。Under the condition of unchanged topology configuration of the truss, the extremum existence of the natural frequency is demonstrated. it will orientate the optimization of structural cross - sections and the topology optimum with frequency constraints toward a further search measure. 4
證明了在保持結構拓撲基本不變的情況下，桁架結構優化頻率的極值存在，為具有頻率約束的結構的橫截面積優化以及進一步的拓撲優化提供了優化指向； 4Based on msc / nastran software, this paper uses the patran / pcl ( patran command language ) to secondly develop a new software of optimum design module for sectional optimization of truss structures
本文利用msc patran提供的pcl語言，針對桁架結構的截面優化對msc nastran優化模塊進行了二次開發。分享友人