prestressed girder 中文意思是什麼

prestressed girder 解釋
預應力梁
  • prestressed : 安裝預應力
  • girder : n. 【建築】縱梁，大樑，撐柱，撐桿，大型工字梁。 a framed girder構桁。adj. -less
  1. With two examples of the prestressed celom tension in the continuous girder design, which is utilized in the projects of mingzhu elevated railway and xinmin elevated railway, the author analyses the characters of the design and the application of this technology

    摘要就軌道交通明珠線、莘閔線等工程的連續梁設計中預應力束體內張拉的實例，分析其設計特點和應用。
  2. The successful alternative was the cast-in-place segmental prestressed concrete box girder.

    最後採用的方案是分段現澆的預應力混凝土箱形梁。
  3. Program can analyze the multi - girder curved bridge, by using the diatropic distributing theory. it can calculate the dynamic programming loading, by using the combined influence. it can analyze the internal force under the action with the prestressed force, by using the equivalent load method

    程序採用橫向分佈的實用計算理論來處理多主梁曲線梁橋的空間受力分析問題；採用組合影響線來對曲線梁橋進行動態規劃加載；採用等代荷載法對曲線梁在預應力作用下的結構內力進行分析。
  4. 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。
  5. Modeling the general solid web continuous box girder and opening - in - web ( open web ) continuous box girder by ansys finite element modeling tool, node stress of governing section and corresponding shear lag values are analyzed. the solution is validated by comparing with variational results and modeling test values. based on the model, the section shear lag induced by dead load, prestress tendons and car loads under the most unfavorable condition and lateral symmetry are also approached. the influence of shear lag effect in double - level continuous box girder is considered with opening - in - web and the web location. the analysis indicates that double - level - load arouses less shear lag effect than one - level - load. when self - weight and prestressed tendons act on together, the shear lag effect on box girder take on a evidently change

    基於所建立的有限元模型，本文分別對實腹和腹板開孔兩種箱梁在恆載、車載、預應力荷載作用時，各主要截面的剪力滯效應進行分析，通過施加縱向最不利的和橫向對稱的車輛荷載，研究實腹連續箱梁和空腹連續箱梁在承受雙層荷載和單層荷載時引起的剪力滯效應，並考慮腹板開孔及開孔位置對于連續箱梁剪力滯效應的影響。分析表明，雙層車載對于箱梁引起的剪力滯系數比單層車載的影響要小，對于箱梁中存在引起的剪力滯后現象有一定的改善作用。
  6. Application of prestressed concrete in plate girder bridge with post - tensioning method without splice

    后張無粘結部分預應力砼在板梁橋中的應用
  7. Abstract : combined with the design of two prestressed hollow cement plate - bridge on west circle expressway of hainan province, the generall thought of design and structure disposal for straight girder bridge is explained

    文摘:結合海南省環島西線高速公路上兩座預應力混凝土空心板橋設計，介紹了在曲線上採用直板梁橋的總體設計構思和結構處理方法。
  8. Abstract : this paper introduces four typical light - retaining structures. they are frame girder with prestressed anchor ropes, antislide pile with preslressed anchor ropes, anchored nelwork with jetting concrete and retaining wall with root piles. these structures are successfully applied to the national highway no. 107 in guangdong province

    文摘:以國道107線清連一級公路上四個典型的邊坡病害治理工程為例，介紹預應力錨索格構梁、預應力錨索抗滑樁、錨噴掛網支護、樹根樁擋土墻等輕型支擋結構在公路邊坡病害治理工程中的應用
  9. On the concrete mix proportion design of the prestressed girder of shatang bridge

    沙塘特大橋預應力梁混凝土配合比設計
  10. Quality supervision on prestressed hollow girder construction with post - tensioning method

    后張法預應力空心板梁的施工質量監理
  11. Prestressing of post - tensioned prestressed concrete box girder

    后張法預應力砼箱梁的預制施工
  12. The slip between the concrete slab and the steel girder of complete - shear - connection prestressed steel - concrete composite beams is small enough to justify the assumption of complete interaction between the interface under service load

    按完全剪力連接設計的預應力組合連續梁的界面滑移很小，在正常使用階段，可以認為組合截面整體共同工作。
  13. In the article there is also an analysis about the influence to the complete status of the prestressed concrete cable stayed bridge of such factors as the stiffness change of the girder and the deflection of cables and the concrete creep and the temperature change. this must be useful to engineer to take a reasonable stress limitation in determining the reasonable completed status

    本文還採取對比分析計算的方法，對主梁剛度變化、拉索垂度、混凝土徐變及溫度變化等因素的影響進行了分析，並指出了它們的影響程度，有助於工程師們在確定成橋狀態時合理地選取控制條件。
  14. The prestressed construction technology control of frame girder in high - rise building

    高層后張預應力框架梁施工技術控制
  15. Probe into the construction techniques of prestressed concrete box girder

    預應力混凝土箱梁施工工藝探討
  16. Temperature field and stress field of prestressed concrete box - girder bridge

    預應力混凝土箱梁橋的溫度場和應力場
  17. Closure construction of long prestressed concrete rigid frame - continuous girder bridge with multi - span

    大跨連續剛構橋預應力混凝土箱梁的長期撓度預測探討
  18. With the development of material science and transportation, thin - wall box girder ( including steel girder and prestressed concrete girder ) is used wildly in modern engineering of bridge, but shear - lag problem is arising accordingly, the result it takes can not be ignored, especially broad and low box girder

    隨著材料科學和交通事業的發展，薄壁箱形梁（包括鋼箱梁、預應力混凝土箱梁）在現代橋梁工程中得到了廣泛地運用，但隨之而來是剪力滯后問題相當突出，特別是寬扁箱梁剪力滯效應不容忽視。
  19. Especially the bridge engineering has to be concerned with high, new and difficult technologies. new technologies firstly adopted are post - tensioned prestressed concrete simply - supported box girder, assembly two - way prestressed concrete simply - supported t - girder, reinforced concrete continuous rigid frame, and steel - concrete composite continuous girder. all these have formed a series of new bridge structures taking prestressed concrete simply - supported box girder as main feature

    由於秦沈客運專線的特殊技術要求，在鐵路建設史上首次採用了后張法預應力混凝土箱形簡支梁、裝配式雙向預應力混凝土t形簡支梁、鋼筋混凝土剛構連續梁、鋼與混凝土結合連續梁等橋跨結構，形成了以預應力簡支箱梁橋跨結構為主要特徵的一系列橋梁新結構。
  20. In recent years, during the detection of the established reinforced concrete or the prestressed concrete box girder bridges etc. the large structures, we can find that the concrete in particular structural positions such as the anchorage zones of prestressed reinforcement with dense reinforcement, the prestressed pipe in which the space of reinforcement or the thickness of concrete cover is small, the top and bottom flange of box girder and so on has brought great difficulty to concrete construction because of the small size and densely - packed reinforcement

    對于變截面t梁、工字梁、箱梁等常見結構，截面形式復雜，一些部位尺寸較小且密集配筋，如梁頂板，梁底板，預應力管道間，混凝土不可避免的造成不密實導致耐久性降低，而這些問題往往為設計者所忽略。對于新建橋梁混凝土的密實度問題，尤其是新建橋梁關鍵部位的混凝土密實度和耐久性問題，人們研究和關心的較少，這也為橋梁的質量監督控制和使用壽命埋下了隱患。
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