prestressed beam 中文意思是什麼

prestressed beam 解釋
預應力梁
  • prestressed : 安裝預應力
  • 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. To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered

    摘要為研究不同施工方法下預應力混凝土連續梁的彎曲性能、極限受力狀態及內力重分佈規律，進行了3根連續梁模型試驗，分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。
  2. Strengthening ill geologic section road chasm side slope with prestressed achor pile grid beam

    預應力錨桿格梁加固不良地質地段路塹邊坡
  3. Experimental study on strengthening beam by externally - prestressed - cable - offloading method

    武黃公路橋面改造鋪裝混凝土試驗研究
  4. This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it

    建立預應力混凝土連續梁橋預應力度的模糊優化問題，按-水平截集解法，將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后，只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想，並以一實例說明其理論應用
  5. Abstract : this paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it

    文摘:建立預應力混凝土連續梁橋預應力度的模糊優化問題，按-水平截集解法，將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后，只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想，並以一實例說明其理論應用
  6. Construction technology of hoisting tower and super long cased beam of prestressed concrete in huanglong sport center

    黃龍體育中心吊塔及超長預應力混凝土箱形外環梁施工技術
  7. In this thesis, the technological way that prevent the anchorage pile and the concrete of anti - force beam from crazing, and the technological application of ultrasonic determine apparatus to detecting are introduced during engineering of trial pile by inducting prestressed technology to anchorage pile and anti - force frame

    論文還介紹了在試驗樁工程中，通過預應力技術引入錨樁及反力梁系統，防止錨樁和反力梁混凝土開裂的技術途徑，和超聲波側壁測定儀檢測技術的應用。
  8. Problems occured in the anchoring of overhung tourist hall on top of the tv tower and tower drum due to construction mistakes. it was introduced in this paper that two non - binding prestressed girder beams are respectively set in corresponding locations as the anchor beam of overhung radial support beam of tourist hall, thus the integrity of the tower drum and transmission of the load were guaranteed

    由於施工失誤，作為電視塔頂的外懸游覽廳和塔筒間的錨固發生了問題，本文介紹了採用在相應位置設置兩根無粘結預應力大樑分別作為游覽廳屋面和樓面徑向懸挑支承梁的錨固梁，確保了它和塔筒的整體性和荷載的傳遞。
  9. Internal force calculating method of prestressed - cable beam - on - foundation for high rock slope

    巖石高邊坡預應力錨索地梁的一種內力計算方法
  10. The aseismatic behaviors of the two frames are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc, to find the influence of steel - fiber concrete to the aseismatic behaviors of the prestressed concrete flat - beam frame structures

    計算機模擬模擬結果和試驗結果的比較發現，在框架的開裂破壞形態、極限承載力等方面基本吻合。該研究成果可為扁梁框架結構體系的設計和有關規范的增補提供依據，具有很好的應用前景。
  11. The low - cyclic reversed loading tests of two unbonded partially prestressed concrete frames with different ppr have been carried out. the aseismic behaviors are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc. the results show, when designed rationally, the unbonded partially prestressed concrete frames can form beam hinge energy - dissipation machine and total destroy mechanism

    通過兩榀不同預應力度的無粘結部分預應力混凝土扁梁框架結構的低周反復荷載試驗，分析研究了無粘結部分預應力混凝土扁梁框架結構的破壞形態、滯回特性、位移延性、耗能能力、承載力及剛度退化等抗震性能。
  12. In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, at the same time, the effecting parameter has collected. the paper build the ann model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ann model and introducing research process of the improved bnn. according to them, ann is applied in the construction control of prestressed concrete continuous bridge

    本文以大橋成橋線形滿足設計要求和成橋內力控制在設計容許范圍內為目的，運用現代控制理論的思想，引用神經網路基本原理，詳細介紹bp神經網路的研究過程，從而建立預應力混凝土連續梁橋施工預拱度的神經網路模型，並詳細討論了模型的神經網路結點信息的提取，在工程實例的基礎上進行了數值計武漢理工大學碩士學位論文算，數值表明，將神經網路應用於預應力混凝土連續梁橋施工控制，獲得了滿意的結果，在預應力混凝土連續梁橋施工控制技術研究方面，具有方便有效、精度高的優點，具有良好的應用前景。
  13. The deflection upwards of prestressed concrete beam can be predicted much accurately than before and mastered effectively through the massive work of this paper

    通過本文的大量工作證明，預應力混凝土橋梁的起拱度是可以較精確地預估並進行有效控制的。
  14. The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized

    它利用拱肋承擔壓力，系梁預應力束抵抗拱端推力，吊桿及縱橫橋面系結構承受橋面荷載，既克服了傳統拱橋巨大的拱端推力，又改善了連續梁橋較大的彎矩和剪力的受力狀況，最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點，經濟效益顯著。
  15. ( 2 ) the properties of gfrp reinforced polymer concrete beams and prestressed polymer concrete beams are tested by four point bending experiments, the result show : gfrp rods can be satisfied the stiffness request ; it ' s very necessary and effective to use prestressed beam to minish the defection, enhance the crazed load and reduce the width of the cracks

    （ 2 ）通過對gfrp筋增強樹脂混凝土普通梁和預應力梁進行四點彎曲實驗，表明：利用玻璃鋼筋作為增強筋在強度方面是可以滿足要求的；對玻璃鋼筋施加預應力來減小撓度，提高混凝土的開裂強度，以及縮小裂紋寬度是非常必要也是很有效的。
  16. Then the proportion of the modulation of moment taken by the second moment in the total modulation in prestressed frame is less than that in prestressed beam

    同時，次彎矩調幅占總調幅的比重在框架中要遠小於連續梁。因此，次彎矩協助調幅的作用在框架中也弱於在連續梁中。
  17. Measurement of tension and anti - side bend of 40m i post - tensioned prestressed beam

    后張法預應力工型梁張拉及抗側彎措施
  18. The structure analysis methods during construction stage are investigated form the construction properties of twice - prestressed beam

    本文從二次預應力梁的施工工藝出發，研究其在施工階段的結構分析方法。
  19. The results show that the performances of precast prestressed beam - to - column concrete connections with unbonded tendons are equal or superior to that of a monolithic connection in terms of ductility and displacement - restoring capacity

    結果表明，無粘結預應力裝配式混凝土框架連接具有良好的耗能能力，在延性和變形恢復能力上比現澆連接更優。
  20. Based on tests of three moment - resisting beam - column connections under low reversed cyclic loading, this paper inquires into the failure pattern, hysteresis loop curves, displacement - restoring capacity, displacement ductility and energy dissipation of the precast prestressed beam - to - column concrete connections with unbonded tendons

    摘要通過三個框架節點在低周反復荷載下的試驗，對無粘結預應力裝配式混凝土框架連接的破壞形態、滯回曲線、變形恢復能力、位移延性、能量耗散等性能進行了研究。
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