端腹板 的英文怎麼說
中文拼音 [duānfùbǎn]
端腹板
英文
end web-
In order to considering the affections of the adjacent zone out of the girdler section, the internal - forces of two end surface which were obtained by the horizontal shaft system analysis are exerted on each model respectively. moreover, the weight, cable force and prestressing forces including girder longitudinal, diaphragm transverse and inclined web vertical directions are considered
考慮到梁段以外附近區域的作用,在其兩端面上施加了由平面桿系結構分析所得的端面內力,另外,索力和預加力(梁縱向、橫隔梁橫向、斜腹板豎向)也施加在相應的位置,分析了箱形主梁在自重、索力和預應力作用下的空間應力效應。Furthermore, in order to predict the force at beam tension flange when end - plate yields, kulak method, applied to determine the ultimate strength of the t - stub connections, are modified by introducing a parameter c. the general solution of parameter c is also provided in this paper
在有限元計算的基礎上,本文分析了影響節點強度的主要因素,包括: ( 1 )螺栓和端板的強度; ( 2 )柱翼緣的抗壓強度; ( 3 )柱腹板的抗壓強度。All existing web cracks were arrested by drilling 19 mm holes at the ends of the cracks.
所有已存在的腹板裂紋都在裂紋端部鉆19mm的孔止裂。2. pseudo - static force testing of twelve full - scale connections, including top - seat angle connections, two web flange and top - seat connections, extended - end - plate connections, slit - t steel connections and dog - bone connections are carried out for the first time in our country
2首次在國內大規模地進行了頂底角鋼連接、帶雙腹板頂底角鋼連接、外伸端板連接以及短t型鋼連接等半剛性連接以及狗骨式剛性連接這五種連接類型共十二個原型試件的擬靜力試驗。Thecalculating results show that the composite action between concrete floor and steel beamsgreatly influence the bending bearing capacity and initial rotational stiffness of joints, it shouldbe considered in practical engineer. reinforcement ratio of lengthways reinforcing bar andthe stiffener of web have great influencer on the behavior of connections, while the thicknessof end - plate and degree of shear connection have a litter influence on its behavior
分析計算結果表明:樓板與鋼梁的組合作用對節點的抗彎承載力及初始轉動剛度的影響非常大,實際工程中節點設計應當考慮這種組合作用;樓板內縱向鋼筋配筋率與柱腹板加勁肋對節點性能影響顯著,而連接端板厚度及剪力連接程度的影響則不是太顯著。Then an thorough computer modeling using finite element program with material, geometry and state triple - nonlinear taken into account is carried out on a series of influencing factors, such as comparison with npn - beam splice connection, comparison of varies designed theories, and the varying of fraction coefficient, diameter, grade, pretension and arrangement of bolts, thickness of web and flanges of beam and column, splicing location, axial loading on column, etc. lots of useful conclusions are drawn form computer modelling. finally, design and construction suggestions are given out. this study fills the black in the field of steel beam - to - column connection with cantilever beam high - strength bolted - splicing at both home and abroad
然後,本文在考慮材料、幾何和狀態三重非線性的基礎上,對該連接形式進行了全面的計算機模擬,主要考慮了帶懸臂梁段全螺栓拼接的樑柱連接節點與無拼接的樑柱連接及翼緣對接焊接腹板拼接的連接節點的對比,各種設計方法之間的對比,以及翼緣拼接和腹板拼接的螺栓間距、直徑和數量,拼接點與梁端之間的距離,梁和柱的翼緣、腹板厚度,柱的軸力,接觸面的摩擦系數,翼緣和腹板拼接板的厚度等因素的影響。Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating
箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋,分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模;拆裝式和液壓式兩種模板的設計、製作要求和使用方法;綜合考慮、優化混凝土配合比,混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝,蒸汽養護的方法和規定;應力應變雙控制確保預應力施工質量的施工技術;採用重物移運器有效移梁的施工方法;壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法,並可為以後類似施工作借鑒。Results of the experiment shows that end - plate connections have excellent hysteretic behaviors, and the determination factors, which have crucial influence on the behavior, are end - plate thickness, column web thickness, and the rib stiffeners
試驗結果表明端板連接具有良好的滯回性能,端板厚度、節點域柱腹板厚度以及加勁肋構造是影響連接性能的主要因素。2 based on experimental results and finite elements analysis of new joint, the stress transfer mechanism of the new joint is analyzed. there are two stress transfer patterns about the new joint, one is for rectangular steel tubular column joint, its stress transfer pattern is that beam moment is transferred to column webs mainly by stiffeners, the other is for crft column joint, its stress transfer pattern is that part of beam moment is transferred from stiffeners to column webs, another part of beam moment is transferred to infilled concrete by column flange
(二)基於新型節點的試驗結果和有限元分析,研究了新型節點的傳力機理,其應力的傳遞路徑分為兩種:對于鋼管柱節點,梁端彎矩主要通過加勁肋板直接傳至柱腹板,對于鋼管混凝土柱節點,梁端彎矩一部分通過加勁肋傳給柱腹板,另一部分通過柱翼緣傳給鋼管內的混凝土。According to the above formula, the initial rigidity and ultimate moment is calculated by developed program to several kinds of gabled frames end - plate connection joint with different types ( such as end - plate connection horizontally placed, vertically placed and inclinedly placed ), different end - plate thickness, different bolt diameter. the different result is compared with different end - plate thickness, the different force arm in joints, different bolt diameters and strength grades
按推導的公式編程計算了不同形式(端板外伸式、端板平齊式、端板斜接、柱腹板加勁) 、不同端板厚度、不同螺栓直徑的門式剛架樑柱端板節點的初始剛度、節點極限彎矩,並比較了不同端板厚度、不同節點力臂、不同螺栓直徑和強度等級、不同連接形式下初始剛度和極限彎矩的變化。The paper studies the effect of end - plate to initial connection stiffness, ductility failure of beam, strength of panel zone and contact states itself through analysis of different thickness of end - plate in the extended end - plate connection. 3
對節點中不同厚度端板的靜力分析,深入研究了端板對節點的初始連接剛度、梁的延性破壞、柱腹板承載力以及其本身接觸狀態的影響; 3After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates
本文根據我國規范的有關規定,自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型,對不同構件尺寸的樑柱腹板剛性連接節點在單向荷載作用下的反應進行了研究,從結構的mises應力等值線示意圖、梁端加載處的荷載? ?位移曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析,從而得出了不同構件尺寸的樑柱腹板剛性連接的在受力行為上的結論:增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力性能:提高節點的承載能力;減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象,從而避免試件過早地發生破壞。It is carried on our research in this field from the multi - resident steel structure knot of beam - column research. there are various of knot style including top - and seat - angle steel, top - and seat - angle with double web - angle steel connections, extended - end - plate bolted connections and so on
多層住宅鋼結構樑柱節點型式的研究到現在已有各種節點型式,如頂底角鋼連接,頂底角鋼、腹板雙角鋼連接,外伸端板高強螺栓連接,上下翼緣t型鋼連接,狗骨式剛性連接等。Experimental results show that the new cfrt - column to steel - beam joints proposed in this paper possess good earthquake resistant capacity. the infilled concrete benefit to restrain the buckling deformation of column webs, increase the strength and stiffness of the joint. the lengthened stiffener can transfer much more beam moment, make the strength of the joint increased
試驗表明,在保證焊接質量的前提下,本文提出的新型方鋼管混凝土柱?鋼梁的節點具有良好的抗震性能;內填混凝土有利於抑制柱腹板的屈曲變形,增加節點的承載力和剛度;加勁肋長度的增加有利於傳遞梁端彎矩,使節點的承載力提高。分享友人