space truss structure 中文意思是什麼

space truss structure 解釋
風架結構
  • space : n 1 空間;太空。2 空隙,空地;場地;(火車輪船飛機中的)座位;餘地;篇幅。3 空白;間隔;距離。4 ...
  • truss : n 1 (乾草等的)捆,把,束,一束乾草〈老乾草56磅,新乾草60磅,稻草36磅〉。2 【醫學】疝帶。3 【植...
  • structure : n. 1. 構造,結構;組織;石理,石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】(直接經驗中顯現的)結構性,整體性;整體結構。adj. -d ,-less adj.
  1. This paper introduces the developing tendency of the space structure and the application of the pretensioned space lattice structure, summarize the analysis method and relation between lattice structure and pretensioned space lattice structure. dissertate the space pole - truss displacement method, tendon working principle, set forth the method of optimal design and whole process design. includes the use stage design and construction stage design of pretensioned space lattice structure

    本文首先介紹了空間結構的發展趨勢及拉索預應力空間網格結構的應用情況,概述了網格結構與拉索預應力空間網格結構的分析方法及其相互關系,論述了空間桿系桁架位移法,拉索作用機理,闡述了拉索預應力空間網格結構的優化設計及全過程設計的設計方法,包括拉索預應力空間網格結構使用階段的設計和施工階段的設計。
  2. Space truss has developed rapidly in china and designer for its advantage has accepted the sphere soace grid. joints have play very important role in structure. generally, the weided hollow ball joints are adopted. but sometime they can not satisfy the requisition of structure. so a lot of people are busy searching for joints and fouding out all kinds of joints. a new joint - welded hollow truncated joint will be now in this paper

    在我國大空間、大跨度的結構越來越多,節點在空間結構中起著重要的作用,焊接空心節點在網架、網殼等空間結構中被大量應用。本文研究的是一種新型的節點? ?焊接空心鼓形節點。 《網架結構設計與施工規程》 jgj7 - 91和《網殼結構技術規程》 jgj61 - 2003隻對空心球節點提出了承載力的計算公式,而沒有引入鼓節點。
  3. Construction of a space - truss roof with large - span structure of 144 meters

    大跨度鋼管桁架結構設計與施工
  4. The comparative analysis is made firstly, which shows that the truss arch aqueduct can be built on the weak foundation and is also satisfied with the demand for large span length and the great discharge ability, so the type of aqueduct is a better for the project. then the finite element program ( super sap93 ) is applied to the structural analysis of the space structure

    首先通過對常用渡槽結構型式的對比分析,闡明該渡槽是一種可在軟弱地基上修建的、能滿足大跨度、大流量要求、適用於南水北調中線工程的排水建築物,然後運用有限元分析程序supersap93對桁架拱空間結構進行了受力分析。
  5. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是:對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結,指出當前預應力鋼結構工程實踐中存在的主要問題;闡述了預應力鋼結構的受力機理,並指出預應力鋼結構的適用范圍和特點;在考慮結構應力和變位約束的條件下,建立預應力鋼結構優化設計模型;提出多次預應力鋼結構優化設計方法和步驟,採用線性規劃和滿約束準則相結合的優化方法,可優化設計出施加的每一級預應力的大小,並得到結構各部分的優化截面;對多次預應力最佳的施加次數作了分析,並建議以2 3次為宜;為驗證文中理論和方法,分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計,經濟效益明顯;對水平平行弦鋼桁架的幾種施加預應力的方案進行比較,對于局部布索,預應力只對下弦起到卸載作用,對上弦和腹桿基本不起作用;而整體布索預應力除對下弦卸載外,對索折點以外部分腹桿也起到卸載作用,經濟效益好於局部布索。
  6. Through researching practical engineering on anti - earthquake analysis between the concrete structure and storey - between truss, this paper compared dynamic period and seismic behavior of this two kinds of structures, calculated force and deflection, put forward into the storey - between truss is an economic, reasonable, practical structure, it can conveniently construct and save space

    比較了這兩種結構的自振周期、振型,並對其內力(主要梁)的內力、變形進行驗算,說明在地震地區,選用層間桁架結構比混凝土框架梁具有更好的抗震性,同時具有經濟合理、方案可行、方便施工、節約空間的特點。
  7. Analysis of wind - excited behavior of large span complicated space truss structure

    大跨度大型復雜體型網架結構的風效應分析
  8. For a five bars truss structure, the introduction of the basic method of structural failure probability analysis is explained. based on o. ditlevsen ' s narrow bounds " algorithm and the numerical integration method in " m " space, a computer program to calculate failure probability of the five poles truss structure is given

    針對五桿桁架結構的失效概率問題,系統地介紹了結構系統可靠性分析的基本方法;結合二階窄邊界法和「 m 」空間數值積分法編制了用於計算五桿桁架結構失效概率的計算程序。
  9. Experimental study and theoretical analysis of space truss theory in design of underpinned structure

    空間桁架理論在托換結構設計中的試驗研究與理論分析
  10. Aiming at main project of the xiaoxihu bridge, a low pylon cable - stayed bridge, based on the existing theory and method of the bridge construction controlling theory, using the basic function of " ansys ", farther exploitation was done on concrete elasticity and creep calculating distinguishingly, nonlinearity analysis theory was used to construct the space model, the main beam, string pylon and abutment were simulated by the beam elements which was considered the shearing effect. which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable, form traveler is modeled as structure elements and participate in stress analysis. four stages are used to model the construction stage, which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables

    針對建設中的小西湖矮塔斜拉橋的主體工程,結合已有的橋梁施工控制的理論和方法,利用大型通用計算軟體ansys的基本功能,並著重在混凝土彈性計算及徐變計算方面做了相應的二次開發,採用非線性分析理論並建立了空間結構模型、用考慮剪切作用的梁單元模擬主梁、索塔和橋墩;用可考慮幾何非線性的桁元模擬斜拉索、施工掛藍作為結構單元進行拆裝,參與受力計算,整個施工過程按施工循環周期分為若干階段,每個階段又分為四個工況,即:空掛藍就位、澆築完畢階段混凝土、張拉預應力鋼筋和張拉斜拉索。
  11. 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。
  12. Firstly, static analysis of slts subjected to design load is done, employing space link series fea, and enduring capacity and internal force distribution of latticed truss structure may be realized to some extent, so primary decision of key inspect regions of roof slts can be run in the thesis

    本文首先以空間桿系有限元法對整個網架結構進行在設計荷載作用下的靜力計算分析,對網架結構的承載能力和結構的內力分佈有一定程度的了解,並可初步確定網架結構監測的關鍵區域。
  13. On the basis of the design and calculation of such space truss system, this paper has analysed and summed up the experiment dataes of the wind tunnel test and made a deeply research and analysis on this kind of structure which undergoing complicated wind load. compare the wind load values which gained by calculating according to load criterion and the wind tunnel test separately and then analyze and compare the two different results got by static wind load and dynamatic ones separately. at last, analyze the two outcomes through these two different methods which in virtue of finite element program midas

    本文在鹽田碼頭閘口的工程設計基礎上,分析總結了對該建築物進行風洞試驗的試驗數據,並對利用風洞試驗數據計算所得風荷載值與按規范計算所得的風荷載值進行了比較,然後藉助有限元軟體midas對該結構在靜力風荷載作用下和動力風荷載作用下的節點位移進行了計算分析和比較。
  14. Tension structure is one kind of large - span space structure, which combines cable with truss by some way

    張拉整體結構是將柔性索與剛性的桿件組合在一起的一種大跨度空間結構。
  15. The wind force applied and wind - induced response of structure can be reduced prominently if the form and location of the space hole are appropriate. consequently this dissertation models three mega - truss - suspended steel structures, which bellow opened, upper holed and atrium placed. horizontal seismic response of each structure is investigated and some useful conclusions are presented

    基於此本文針對底部開敞、上部透空和內部中庭三種典型的空間開洞措施進行了模擬,分析了懸吊質量在豎向和水平不規則分佈對巨型桁架懸掛鋼結構建築地震響應的影響,對結構體系布置得出了一些有益的結論。
  16. And then, an optimal h robust control for the space truss structure is designed using matlab robust control toolbox

    接著運用matlab魯棒控制工具箱進行最優h _魯棒控制器設計。
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