定桁架 的英文怎麼說

中文拼音 [dìnghéngjià]
定桁架 英文
determinate truss
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 桁 : 桁名詞[建築] （檁） purlin
  • 架 : Ⅰ名詞1 （用來放置東西或支撐物體等的東西; 架子） frame; rack; shelf; stand 2 （毆打; 爭吵） fight;...
  • 桁架 : truss桁架桿 truss rod; 桁架高度 truss depth; 桁架跨度 truss span; 桁架梁 girder truss; truss beam...
  1. With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving

    在此分析過程中：首先將物理模型簡化為力學模型，主要是將塔架結構按空間桿單元簡化為空間桁架結構，目的是將力學模型變換為數學模型；這一過程主要是利用autocad2000建立塔架的計算模型；再者，利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算，再將計算結論整合入algorfeas產生的初始數據卡中，生成計算數據卡；接著，利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖，位移圖，並且求出在不同載荷條件下的最大位移和最大應力等；然後，對塔架的穩定性進行分析；最後；根據計算結果提出改進建議。
  2. It is assumed that the reader has previously studied the analysis of certain types of trusses in a course of statics.

    假定讀者在靜力學課程中已經學過某些類型桁架的分析。
  3. When the truss is large such a calculation of a relative displacement by the laws of geometry becomes excessively tedious.

    當桁架很大時，根據幾何學定律來計算相對位移就會變成很麻煩的事。
  4. Timber structures - test methods - test of trusses for the determination of strength and deformation behaviour ; german version en 595 : 1995

    木結構.試驗方法.測定承重能力和變形特性用桁架梁試
  5. The simplified method, one time statically indeterminate plane truss, for the solution of sunflower - patterned cable dome and sunflower - patterned cantilever roof is introduced. this method is clear and convenient and the results are reliable

    提出了採用一次超靜定平面徑向桁架結構，求解荷載態下葵花型索穹頂和葵花型環形挑篷內力和位移的簡捷計算方法，該方法力學概念明確，思路清晰，計算簡便，結果可靠。
  6. Secondly the author ' s study are introduced in this paper. the author study mainly the linear static and dynamic, elastic - plastic static and dynamic problems of cfst arc - bridge. firstly, the author establish the linear static equation on the based of the rigid equation of element by qr - method, and then analysis the inner force of arc bridge, establish the linear dynamic equation and elastic - plastic rigid equation and dynamic equation, then solve respectively the elastic - plastic rigid and dynamic equation by the method of repeated increment and no limit stabilization, arithmetic

    本文主要研究大跨度鋼管混凝土桁架拱線性靜力問題和線性動力問題以及彈塑性靜力問題和彈塑性動力問題，先利用qr法按照梁單元的剛度方程建立桁架拱的線性靜力方程，進行桁架拱內力分析，建立桁架拱線性動力方程、彈塑性剛度方程及彈塑性動力方程，然後利用增量迭代法及樣條無條件穩定演算法分別求解彈塑性剛度方程及動力方程。
  7. The stability analysis of complicated lattice structure becomes the crux of contemporary and large crane structure design and its calculation

    復雜桁架式結構的穩定性分析成為當代大型起重機結構設計計算的難點。
  8. 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
  9. The truss arch structure is a three - dimensional higher statically indeterminate structure, and no definite expression of the performance function can be given for its unbelievable complexity

    桁架拱結構是一個高次超靜定的復雜三維結構，構件的功能函數沒有明確表達式。
  10. Based on the study for the methods of structural reliability analysis, including monte carlo method, response surface method and stochastic finite element method, response surface method ( rsm ) is selected. based on the random analysis of aqueduct ' s frequent actions and resistances, by rsm method together with the fem method and form method, the reliabilities of its primary poles can be analyzed and the reliability of the structure be reached

    利用此方法，在對渡槽常遇荷載的不確定性分析和抗力不確定性分析的基礎上，結合結構分析的確定性有限元法（ fem ）及可靠度計算的一次二階矩法（ form ） ，對桁架拱結構主要受力狀態構件進行了可靠度分析，從而對結構的可靠性進行了評價。
  11. 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。
  12. The cfst x - type arches improve the lateral stability by sloping the arc ribs, so it is ofen used in the designs of cfst arch bridge with small ratio of the width to the span. tongwamen bridge is a half - through cfst arch bridge, its span is 238m, and the width of its roadway is 10m, so the truss ribs in - plane is sloped into x - shapc to improve its lateral stability. as the cfst x - type arches with longest span all over the country presently, the design of tongwamen bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span

    鋼管混凝土x型肋拱橋是一種利用拱肋側傾來提高其橫向整體穩定性的橋型，在寬跨比較小的鋼管混凝土拱橋設計中應用較多。浙江銅瓦門大橋是一座中承式鋼管混凝土無鉸拱橋，跨徑238m ，橋寬10m ，拱肋為平面桁架形式，所以採用了x型拱肋以提高其橫向穩定性。作為國內目前跨徑最大的鋼管混凝土提籃拱橋，該橋的建成對我國今後長大跨徑小寬跨比鋼管混凝土拱橋採用提籃拱具有借鑒意義。
  13. Frame - bracing structure is a kind of dual - system, among which the bracing system may be shear wall, reinforced concrete core, vertical truss, etc. in current design codes for steel structures, multi - story steel frames are divided into two types, sway and non - sway frames

    支撐體系可以是剪力墻、筒體或支撐桁架體系。國家現行的鋼結構設計標準在計算框架結構的穩定性時將框架結構分為有側移和無側移兩類，分別確定其計算長度。
  14. Vgwi hav vny good the td weigh ndos, and no wt moments or tomp can be nd at the joints. moieover they can be deded to be cowe

    變幾何桁架機構是包含一些可伸縮桿件的靜定桁架，這些可伸縮桿件可以改變機構的構形。
  15. The results obtained from the modified genetic algorithm indicate the algorithm is feasible and effective by some representative examples

    用典型的遺傳演算法測試函數和十桿超靜定桁架結構優化問題作為考題，驗證改進遺傳演算法的有效性與可行性。
  16. A steel tubular trssed structure was vertically fixed to ensure the stability of the plane surface of the arched girder

    為保證鋼梁在變異拱處平面外的穩定，縱向設一通長管桁架。
  17. Yesanhe bridge is a half - through cfst arch bridges, the design of yesanhe bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span

    野三河大橋是一座非對稱中承式鋼管混凝土無鉸拱橋，拱肋為平面桁架形式，所以採用了x型拱肋以提高其橫向穩定性。
  18. As far as the hollow inclined column - wall transfer r. c joint is concerned, the paper introduced the truss model to calculate the internal forces of transfer beam, inclined column and square column

    在有孔斜柱轉換節點中引入了桁架模型以確定轉換梁、斜柱及方柱的內力。
  19. In the paper, the method of equivalent stress is adopted to confirm the outside force of the truss model, and the factor of the angle of inclined column is considered. a design method of the wall was suggested

    採用等效應力法確定了桁架模型的外力，即薄壁柱傳來的荷載，其中考慮了斜柱的傾角以及反映薄壁柱與轉換梁共同作用的薄壁柱端部塑性發展系數的影響。
  20. In staged construction process, study is primarily aimed at the truss load resistance capacity and flexural performance under construction and design load, combination performances of steel trusses in conjunction with concrete beam, the vertical displacement difference of two steel trusses with different span and their lateral stability, the glide displacement of the steel truss end during construction, the load resistance performance of steel trusses and concrete structure at the designed load, and the extreme limit loads and the breaking appearance of the combined steel trusses

    主要研究了在階段施工過程中，鋼桁架在施工荷載及設計荷載下的受力性能和變形能力；鋼桁架與混凝土梁板的共同工作性能；兩榀不等跨鋼桁架在整體受力下的豎向位移差及其對結構的作用和側向穩定性；鋼桁架端部在施工階段的滑動情況；使用階段鋼桁架及其端部混凝土結構的受力性能；組合鋼桁架結構的極限承載力和破壞形態。
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