弦桿 的英文怎麼說

中文拼音 [xiángǎn]
弦桿 英文
boom bar
  • 桿 : 桿名詞（桿子） pole; staff
  1. Carried on the optimized design using the optimized design module to the support, finally changed to 14 equal - angle iron to replace the used steel

    利用優化設計模塊對支架進行了優化設計，結果改用14號等邊角鋼代替原主弦桿用鋼。
  2. The crack eventually caused the chord to fracture.

    裂紋最終致使弦桿斷裂。
  3. The bar directions are conveniently specified by direction cosines.

    桿的方向通常用方向餘弦來表示。
  4. 3, the comparing analyses of tech - economic features, anti - seismic features on transverse direction of the aqueduct 1 ) from the angle of engineering cost, steeve - arch supporting structure, whose down beam have tectonic cracks, can spend less money up to 90 % or more than the usual arch supporting structure, namely steeve - arch supporting structure is very obvious on the side of cost

    3 、技術經濟比較分析1 ）從造價方面看，下弦桿分縫的吊桿式拱架結構相對于下弦桿構造不分縫的豎桿式拱架結構可節約工程造價達到90以上，吊桿拱的經濟效果十分明顯。
  5. Taking thickness of web members and main chords as design variables and the lightest weight of crane booms as objective junction, considering constraints of rigidity and stability etc., this paper establishes the math model of optimal design

    摘要選取起重機臂架的腹桿壁厚和各節臂架的主弦桿壁厚為設計變量，以最小重量為優化目標，考慮剛度和穩定性等約束條件，建立優化數學模型。
  6. Curved bottom chord

    曲線形下弦桿
  7. The set of tectonic cracks on down beam is beneficial to anti - seism along the longitudinal and side long of aqueducts

    拱架下弦桿分縫斷開的做法對縱、橫槽向抗震的最終效果是有利的。
  8. The biggest difference from the usual down bearing arch structure lies in this points that the four tectonic cracks on its two down beans ca n ' t constrain the level forces

    它與常規的下承式拱架支承結構的最大區別在於它的兩道下弦桿設置了四道斷縫，從而使下弦桿失去對拱腳水平力的約束作用。
  9. The possible shear of the upper chord will change beam from flexural member to member under flexure and compression force. this is emphasised through design example. as a result ， we find that composite floor system is good for reducing the height of floor system

    在組合樓蓋體系設計中，筆者指出，可能的桁架弦桿剪力會使作為桁架弦桿側向支承的梁由彎曲構件變為壓彎構件，這是在與桁架體系相適應的樓蓋體系設計中應該注意的一個環節。
  10. 4 ) the different between global ductility gained using fully restrained model for truss connections and partial restrained model for truss connections indicate the fully restrained is better for the global ductility of the staggered truss steel framing

    5 ）通過桁架採用不同連接計算模型的比較，指出在鋼結構交錯桁架的製作中，無論是混合桁架體系還是空腹桁架體系，都希望能夠保證桁架腹桿與弦桿的可靠連接。
  11. Among the design of the truss system, it is deeply analyzed that the thought of choosing truss system type, the difficulties in designing truss system and their solutions, the constrain of column to truss chord deformation and the chord modified coefficients used in this case

    在桁架體系設計中，筆者主要分析了桁架體系的選型思路；提出了桁架體系的設計難點，並給出了解決方案；分析了柱子約束對桁架弦桿受力的影響，並給出了在手算桁架體系桿件受力時所需要的弦桿內力修正系數。
  12. For the overlapped joint with greater ( ratio of flank rod thickness to chord rod thickness ), the ductility of the joint subject to repeated loading was more deteriorated

    對于搭接節點（腹桿與弦桿壁厚比值）值較大時，節點承受反復荷載時的延性較差。
  13. It is also found from the tests that the ultimate capacity of connection is greatly affected by the ratio of the width of branch to that of chord, the thickness of chord and the angle between chord and branch

    試驗結果顯示，節點的承載能力與腹桿和弦桿的寬度比、弦桿的壁厚、腹桿和弦桿夾角密切相關。
  14. Curved top chord

    曲線形上弦桿桁架
  15. Cross - check the main roof truss roof installation quality of the surface is not perpendicular to the vertical center two blocks ; roof surface pressure chord of the roof truss vertical bending side, we must ensure that such errors do not exceed the allowable deviation to ensure roof stability and comply with the design requirements of the state by force

    屋架安裝質量主要檢查屋架跨中對兩支座中心豎向面的不垂直度;屋架受壓弦桿對屋架豎向面的側面彎曲，必須保證上述偏差不超過允許偏差，以保證屋架符合設計受力狀態及整體穩定要求
  16. Measuring instruments. sine bars and tables

    測量儀表.正弦桿和正弦盤
  17. Machining of main chord of tower crane by c630 lathe

    630車床成組加工塔機主弦桿
  18. This paper discusses the performance of load bearing under different boundary conditions by model test and finite element analysis. the x - side binding of the supporting surface connecting with up - side chord member of slice arch is the most important factor that affects membrane effect of the slab. the load bearig capacity of the slab with fixed end increased forty percent of the capacity of the simple - supported slab, because membrane effect of the slab with fixed end is remarkable

    本文通過模型試驗和有限元分析，較深入地探討了在不同邊界條件下微彎板的受力性能，結果發現與拱片上弦桿連接的支承面有側向約束條件是影響微彎板的薄膜效應最重要的因素，當該支承面為固結狀態時，薄膜效應十分顯著，其承載力比簡支約束微彎板的承載力提高了約40 。
  19. Failure modes of two staggered truss steel framing buildings, the results indicate the plastic hinges mainly formed in truss members, especially concentrated to the vierendeel panel. it means the vierendeel panel in the center of the truss can provide significant ductility in the structural response and the failure mode is suitable for our performance services

    指出分析所得的塑性鉸分布圖中，塑性鉸大量分佈在桁架腹桿和中間空腹節間弦桿處，而柱中塑性鉸發展則很少，這樣的破壞模式符合次要構件破壞，而主要受力構件基本不破壞的抗震設計思想。
  20. The working mechanism of shear connector of the staggered - truss system between reinforced concrete plank and steel chord was analyzed based on theoretical analysis and value computational methods, and details such as reasonable styles, types and quantity of the shear connector were introduced via a calculated example

    摘要為推廣應用鋼結構交錯桁架體系，採用理論分析及數值計算方法，分析了交錯桁架結構樓板與鋼弦桿連接的抗剪連接件的工作機理。
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