main beam 中文意思是什麼

main beam 解釋
船舶最大寬度
  • main : adj 1 主要的，主，全，總。2 充分的，盡量的；全力的，有力的。n 1 體力，氣力；力〈僅用於 with might...
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  1. The thesis has summarized the development of the oblique - pull bridge, its construction technology and the importance of bridge construction control, then has introduced project general situation, and has narrated detailed regulation, organization construction, the major work and difficult part of this bridge construction control. the following is the key part of this thesis, firstly, it has introduced the experiment work of early stage, structural calculation and its theoretical result : the absolute altitude of each operating mode, the absolute altitude of building mould in each section and the absolute altitude after pouring concrete ; then, it has discussed the method and content of the line shape control of the main beam, actual absolute altitude of building mould is put forward, and it has described the method of structural stress monitoring, how to arrange measure point and collect data, and how to analyze data. it has also narrated the method of rope force detection and structural temperature inspection

    本論文在總結了斜拉橋的發展及其施工工藝，並指出了橋梁施工控制的重要性之後，簡要的介紹了工程概況，敘述了炳草崗金沙江大橋監控細則、組織機構及監控的主要工作和難點部分；論文的核心部分，在介紹了炳草崗金沙江大橋施工控制與監測工作的前期實驗工作和施工各工況標高、各節段支模標高、澆注混凝土后的標高的結構計算和其理論計算結果之後，詳細論述了主梁的標高線形控制方法和內容，實際支模標高的提出，結構應力監控的方法、布點、測讀及其對測讀數據的合理分析方法，索力檢測和結構溫度監測的方法。
  2. So the circumjacent welding should be applied at this spot and another join symmetrical to it, all sides of the place at which angle iron join are welded around with the main beam

    因此應該在該位置以及與之對稱的另一聯接點處都應採用周邊焊，使角鋼連接處的各邊全部焊接，然後再與大樑周邊焊接。
  3. The two specimens, which are designed as : main beam - pre - stress beam ? floor ? frame columniation assemble the space specimens. in order to checkout whether the code can be applied for the special structure systems, the structure of the specimens refer to the current gb50010 - 2002 concrete structure design code and gb50011 - 2001 seismic resistant code

    本文試件的各組成構件為：非預應力邊梁預應力梁板框架柱組合空間試件，各組成構件的構造參照了現行《 gb50010 - 2002混凝土結構設計規范》及《 gb50011 - 2001抗震規范》的有關規定，以檢驗規范及設計條例能否適用於該特殊結構形式。
  4. The company specializes in production of model jpkk series endless chain electric block, jkbk flexible single main beam hanged crane, rotary beam hoist, as well as all kinds of motor, carriage, control box, etc

    本公司專業生產jpkk型系列環鏈電動葫蘆、 jkbk柔性單主梁懸掛起重機、旋臂吊起重機以及各種電機、小車、控制箱等。
  5. With the application of concrete - filled steel tubular member to mega - frame structures, the connection forms of main beam - column can be classified as welded rigid connection, bolted gemel connection and semi - rigid connection

    摘要隨著鋼管混凝土組合截面日愈增多地應用於巨型框架中，主框架樑柱的連接形式分為焊接剛性連接、螺栓鉸接與半剛性連接。
  6. The main beam of type 4sw - 40 potato digger easily engenders crack or breaking damage in the practical application. therefore, by means of modern test technology, the paper does some research on the vibration of the separating sieve and its influence on dynamic load of the main beam under the condition of laboratory

    4sw ? 40型馬鈴薯挖掘機在實際生產中主粱易出現裂紋或斷裂破壞。為此，本文提出在實驗室條件下，利用現代測試技術，就分離篩的振動及其對主梁的動載作用作研究。
  7. The ansys, a kind of fea program, was used to build model of small carriage. the procedure of gantry beam bump with secondary beam of bridge was reappeared by running nonlinear calculation and loading program which was written by apdl program language. the closest deforming result was gotten, and the deforming of main beam, secondary beam and end beam and inner stress distribution status were calculated

    採用大型三維有限元軟體ansys對該起重機以及小車架等進行了建模、應用apdl語言編寫加載程序、進行非線性計算，再現龍門橫梁與起重機副梁碰撞過程，最後得到與實際變形結果最接近的一種狀態，得出起重機橋架主梁、副梁、端梁的變形以及其內部的應力分佈情況。
  8. The conclusion of reappearing analysis is that crane bridge be used as usual because main weld maximum stress of upper cover plate of main beam lower than yield limit though it higher than permissible stress. inner stress of secondary beam was over ultimate strength, and deforming is ultra big. so it was unfit for produce and secondary beam must be changed

    再現分析得出的主要結論為：橋架的主樑上蓋板主焊縫的最大應力超過了許用應力，但小於屈服極限，可以繼續投入使用；副梁內部的應力遠遠超過了強度極限，變形特別嚴重，不能滿足生產要求，因此更換新的副梁；端梁內部的應力超過了屈服極限，小於強度極限，在應力較大的位置焊接補強板；投入使用后，要對整個橋架進行定期檢查。
  9. The conclusion that the torsion of main - beam can improve the earthquake resistant behaviors of the beam - to - column joints can be reached from the results of the test and other people ' s studies

    4 .現行設計規范中關于框架樑柱節點的構造措施和要求，仍適用於該結構體系的過柱次梁?邊梁?柱節點
  10. Study of u shaped girder with pre - cast main beam and cast in - situ slab

    預制主梁現澆道床板的槽形梁研究
  11. Reasons : firstly, sectional dimension is so little that torsional stiffness of single - beam is n ' t enough. secondly, protective layer thickness is too thin to protect concrete reinforced bar and reduce durability. lastly, each main beam is joined by cross girder and the more rigid of cross girder the more entirety of bridge

    橋梁局部損壞較嚴重，主要原因是主梁截面尺寸過小、肋板過于薄弱，造成單梁抗扭剛度不足；保護層厚度不夠導致鋼筋外露引起銹蝕，降低了橋梁的耐久性；各主梁採用橫隔梁連接成整體，橫隔梁的剛度越大，橋梁的整體性越好，但調查結果顯示，實際情況中並不能達到理想的整體剛度。
  12. Thirdly, the structure resistance theory probability model and the load action effect theory probability model are amended according to the main - beam ' s damage and load condition of the used beam - bridge. thus the structure resistance assessment probability model and the load action effect assessment probability model of the used beam - bridge are deduced in this way and they are practical

    再次，根據在用梁橋的損傷情況和荷載狀況，對其結構抗力和荷載效應理論概率模型進行修正，得到實用的在用梁橋結構抗力和荷載效應評估概率模型。
  13. Digital signal processing technologies were used to produce spatial and directional beam in adaptive antenna. then the main beam aims at the coming direction of desired signal and the side lobe points to the coming direction of interference signals

    自適應天線利用數字信號處理技術，產生空間定向波束，使天線主波束對準期望信號到達方向，旁瓣或零陷對準干擾信號到達方向。
  14. Digital signal processing technologies were used to produce spatial and directional beam in smart antennas. then the main beam aims at the coming direction of reference user and the side lobe points to the coming direction of interference user

    智能天線是利用數字信號處理技術，產生空間定向波束，使天線主波束對準期望用戶信號到達方向，旁瓣或零陷對準干擾信號到達方向，達到充分高效利用移動用戶信號並刪除或抑制干擾信號的目的。
  15. Digital signal processing technologies were used to produce spatial and directional beam in smart antennas. then the main beam aims at the coming direction of reference user and the side lobe points to the coming direction of interference user. smart antennas are classified to switching - beam and tracking - beam

    智能天線利用數字信號處理技術，產生空間定向波束，使天線主波束對準期望用戶信號到達方向，旁瓣或零陷對準干擾信號到達方向，達到充分高效利用移動用戶信號並刪除或抑制干擾信號的目的。
  16. Taking the sucessful control experiences in previous cable - stayed bridge construction into consideration, the control principles and methods for gonghe bridge, that is controling the stress of both the top and bottom sides of main beam, regarding the second stretching as the hauling cable force method, are offered, and related construction procedures for all construction stages are designed

    在總結前人對斜拉橋施工控制經驗的基礎上，針對公和斜拉橋施工控制提出了相應的控制原則和方法，即以「控制主樑上下緣應力」為主梁內力控制原則，以「二次張拉」為斜拉索索力控制的方法，並根據各施工階段的具體需要設計相應的施工步驟。
  17. This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

    半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用；臺後土抗力升溫時採用靜止土壓力加彈性土抗力，降溫時採用主動土壓力；分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例，採用大型通用軟體ansys建立平面框架模型，進行彈性、大變形分析，模擬全橋受力和變形特點；同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型，通過三種橋型同步加載對比分析，研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能，總結其設計控制因素和構造要求。通過本文研究知：半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近，結構整體剛度增大，併除去了伸縮縫病害；但主梁增加了軸力，下部結構剪力、彎矩較梁式橋大；綜合分析是一種受力合理有實踐和推廣價值的橋型。
  18. The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board

    文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據； 3 、運用板的穩定理論，探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈性模量問題、焊接殘余應力問題、彈塑性變形問題以及支承條件問題等，得出了門機金屬結構發生失穩破壞的主要部位為臂架結構，且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞； 4 、探討了焊接對結構承載的影響。
  19. In the chapter, we are also presented a low sidelobe beamforming synthesis technique. the main beam is pointed in the proper direction by choosing the steering vector for that direction

    為了獲得自適應優化權向量，形成任意的旁瓣電平波形，即使在旁瓣區域干擾很強時，也能保證有很好的方向圖輸出。
  20. The coal unloading chute is a kind of the underground reinforced concrete box structure. the main beam of coal unloading chute being made skew, this kind of structure has been the first time in domestic

    進煤系統的主體建築物卸煤溝為地下式鋼筋混凝箱形結構，卸煤溝溝頂主梁採用斜向布置，這種結構布置形式在國內尚屬首次。
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