truss space 中文意思是什麼

truss space 解釋
桁架間距
  • 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...
  • 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 ...
  1. Fuzzy logic vibration control of space intelligent truss

    空間智能桁架模糊振動控制研究
  2. Design and construction technology of suspended ceiling with aluminum slats placed in bottom chord of super large hyperboloid space truss for new terminal building of t3b in beijing capital international airport

    新航站樓超大型雙曲面網架下弦鋁條板吊頂設計及施工技術
  3. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜力風荷載和動力風荷載作用下的有限元軟體的計算結果，選取結構邊緣部分的兩個節點，對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風荷載的橫向振動是很敏感的，在進行工程設計時應該考慮這種因素，並可採用乘以風振系數等相應方法來加以體現。
  4. 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。
  5. Axial compression test on space truss - concrete combined sandwich wall plate

    結構夾芯墻板中心受壓試驗研究
  6. 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。
  7. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求，在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能，得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程，進行了兩榀迭層空腹桁架轉換結構模型（ 1 : 8相似比）的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架，另一榀配置了預應力和鋼骨混凝土，對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較，並進行了彈塑性動力分析.試驗和分析結果表明，配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能，可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題，最後對這類轉換層結構提出了相應的設計建議
  8. This paper is concentrated on the space geometric non - linear static analysis and vibration analysis of the long span plate - truss composite cable - stayed bridges. 1

    本文是針對大跨徑板桁結合斜拉橋的空間幾何非線性靜力分析及結構的動力分析兩個方面而展開研究工作的。
  9. As an example, the space analysis model about the wuhu changjiang river bridge is done and the internal forces about the wuhu changjiang river bridge due to dead load and lived load are analyzed. 2. the vibration analysis of the long span plate - truss composite cable - stayed bridges

    文中以蕪湖長江大橋為例，建立了該橋的空間有限元分析模型，並重點分析了該橋在自重恆載作用下的結構內力及車輛荷載對橋梁結構內力的影響。
  10. A space geometric non - linear static finite element analysis program about the long span plate - truss composite cable - stayed bridges is presented. not only it can be used to solve the space static analysis about the state of the dead load configuration ( geometry and internal forces ), but also it can be used to analyze the internal forces and deformations of the whole construction course

    基於以上理論，並結合斜拉橋的施工過程，編制了大跨徑斜拉橋的空間幾何非線性靜力分析程序，既可用於斜拉橋成橋狀態的空間靜力分析，也可結合斜拉橋的具體施工過程，進行施工過程中的內力與變形狀態的跟蹤分析。
  11. This article discuss the method to measure distortion of truss by means of ccd device. the distortion can be measured with many kind of displacement transducer, but it must be placed on stable base. when the huge truss is moving through some tunnel, it is difficult to find a stable base, especially there is no enough space for someone to operate. it is hardly to measure the distortion by touching. on the contrary, this can be achieved by means of ccd device

    桁架在自重或載荷的作用下產生的撓度可以用多種位移傳感器測得，這些測量方法需要有良好的基礎，在大型桁架梁測量現場，由於桁架的變形，難于找到這種基準，如果加上測量環境惡劣，人無法操作情況，則會給撓度測量帶來極大的困難，而採用光電荷耦合器件，並利用激光進行遠程實時撓度測量，即可以解決這個難題。
  12. Steel space truss construction of century hall of renmin university of china

    中國人民大學世紀館鋼網架施工
  13. It is a top load bridge with a clear span of 288m, which is maximum one of the same structural system in asia. the main arch rib uses 8 steel tube of 920mm joined by web members and transverse truss to form a space truss. the soldier piles on the arch are made of bent frame to make the shape both artistic and novel

    梅溪河大橋為一凈跨達288米的上承式鋼管混凝土拱橋，是目前亞洲同類橋型中跨度最大的橋梁，其主拱肋採用8根920mm的鋼管，通過腹桿及平聯形成鋼管混凝土空間桁架，拱上立柱亦採用鋼管混凝土排架，造型新穎美觀。
  14. 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
  15. Stabilization analysis of unstable deployable space truss structures

    不穩定空間展開折疊桁架結構穩定過程分析
  16. 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。
  17. 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。
  18. 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。
  19. 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
  20. 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。
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