through girder 中文意思是什麼

through girder 解釋
連續桁
  • through : 副詞1 穿過,通過,經歷;從頭到尾,完全,全部;到最後,到底,徹底;透;完畢。 2 出來。 adj 1 直通...
  • 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. In allusion to diversified methods ' s shortcomings of solving girder ' s distortion, brings forward applying cantalever and finite progession method to analyze all girder ' s distortion, namely through frame analysis translates memory into analysis ; and use especial but simply method to solve common but complex problem, and expounds it through examples

    摘要針對求解梁變形的幾種方法的不足,提出用懸臂梁及有限級數法分析所有梁的變形,即通過懸臂梁結構分析,將記憶轉化為分析,用特殊而簡單的方法求解一般而復雜的問題。
  2. The detailed contents are as follows. through comparatively analyzing design demands in the specifications of countries in the world for the high - speed railway bridges, studying all sorts of structure types of the guideway girder adopted in some country, and summarizing the design outlines of the magnetic levitation guideway girder, the author bring forward a new - style structure of guideway girder : composite steel - concrete structure

    具體研究內容有:通過分析對比世界各國高速鐵路橋梁的設計規范對高速鐵路橋梁的設計要求,研究各國各種磁懸浮試驗線路所採用的軌道梁結構型式,總結磁懸浮鐵路軌道梁的設計要點,提出了一種新型的軌道梁結構型式:鋼?混凝土組合結構軌道梁。
  3. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的應力、化學成分、變形及軌道偏移等,根據實測結果,對吊車梁系統的承載能力進行了驗算;然後,根據現場調查及計算結果,探討了焊接鋼吊車樑上部區域疲勞破壞的機理,分析了重級工作制鋼吊車梁出現疲勞裂縫的原因,制定了初軋廠精整車間破損鋼吊車梁的加固方案;最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  4. The transverse stiffness limitation index ? the permissible ultimate width / span ratio b / l of the continuous steel truss girder of railway bridge is analyzed in accordance with the analytic theories of random vibration of train ? bridge time - variation system and the required derailment coefficients and comfort of drivers and passengers in train running through the bridge. the limitation index in question may be referred to in the design of the continuous steel truss girders of railway bridges

    基於列車-橋梁時變系統隨機振動分析理論,按照橋上列車脫軌安全系數和司機、旅客舒適度的要求,對鐵路連續鋼桁梁橋橫向剛度限值-橋梁容許極限寬跨比b / l進行了分析,對鐵路連續鋼桁梁橋的設計具有一定的參考作用。
  5. Aiming at the right control method of girder the springing quantum of the pc beams, analyzing the major factors which influence the change of girder, establishing control measures, observing and researching through experiment, the thesis make some pilot studies in liuguhe bridge ' s beforehand producing, building up and constructing, which belongs to the eighth contract segment of the beijing to shenyang expressway

    本文主要依託京沈高速公路國內段第八合同段六股河大橋30m跨徑預應力混凝土工型梁預制安裝施工開展研究,分析影響主梁拱度變化的主要因素,制定控制措施,進行試驗觀測研究,從而確定適宜的拱度控制方法,較好地控制了主梁的拱度。
  6. Experience introduce of mr. guan zunhui ' s penetrate - through - girder acupuncture method

    管遵惠老師過梁針法的經驗簡介
  7. A whole span box girder erecting technology by girder erecting equipment going through a tunnel and portal

    整孔箱梁架橋機穿越隧道及隧道口架梁技術方案
  8. Through a real project - - - - - - " b " bid section of shijiazhuang south bridge. it is proved that high - low brace gantry crane wide double guiding girder method is a good and new technique of bridge construction

    經過實際工程(石家莊南環大橋b標段)的施工實踐驗證,證明高低支腿龍門吊寬幅雙導梁法是一種優良的橋梁工程施工新技術。
  9. The author use large - scale finite element software ansys as analyzing tool, use finite element method to comprehensively analyze the oldslabbing - web main girder and the new - corrugated - web main girder. through the analyzing, know the equivalent stress of new web is reduce 57 % than old web

    作者以大型有限元軟體ansys為工具,用有限元方法進行了新型腹板與原來的平直腹板的綜合比較分析,得出了波形腹板結構在同等條件下,等效應力比原腹板減少14左右。
  10. Through mechanical analysis for segmental model of the girder by spatial finite element method ( fem ), the mechanism of the two side - boxes of girder under transverse prestressing was obtained

    採用空間有限單元法,建立主梁節段的計算模型,對主梁邊箱在橫向預應力作用下的受力特性進行分析。
  11. The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given

    最後,運用ansys通用有限元程序的beam189單元,引入初彎曲和殘余應力的影響,用考慮幾何和材料雙重非線性的有限元求解格式求得箱形柱在不同軸力和彎矩比例作用下的彈塑性極限承載力,通過對十幾個不同截面尺寸構件在不同長細比下的承載力計算,發現在軸力p遠大於彎矩m時,構件將是平面外失穩控制,而當軸力p遠小於彎矩m時,構件則以平面內失穩為主。
  12. Abstract : in this paper, a new simple method is put forward to on - line survey and analyse the real - time response of bridges loaded under random vehicles and people. based on linear elastic hypothesis and finite element method, the dynamic whole displacement state and load of the bridge can be obtained through surveying partial displacements, so the problem that load is unknown and difficult to determine when calculating is solved in a sense. this method is adap ted to girder bridge, arch bridge, cable - stayed bridge and suspension bridge. through the instrumentality of ways and means in this treatise, a real - time system to survey and analyse a working bridge can be established

    文摘:在線彈性假設基礎上,根據有限元理論和橋梁隨機車輛(行人)荷載的特點,討論並提出了一種通過監測部分位移,計算橋梁其餘位移和橋面荷載的簡化分析方法,解決了橋梁在隨機車輛(行人)荷載作用下的荷載確定問題,建立了動位移和等效節點荷載的有限元列式.該方法為橋梁結構的在線監測和實時分析提供了理論基礎,適用於連續梁橋、拱橋、斜拉橋和懸索橋等橋梁結構形式,具有實際應用價值
  13. Abstract : through the practice of vertical pressers in long sp an continuous box - girder and the research of two - way prestress model test, the construction technology about unbonded vertical prestress is proposed and applie d in hanjiang bridge in hanchuan. for the first time, it ? s first adopted in long span concrete bridge in our country and a lot of economic benefits are created b ecause of its advantages such as little drill way, rapid and imple construction, h igh quality and so on

    文摘:通過漢川漢江公路大橋大跨徑連續箱梁豎向預應力施工實踐和雙向預應力模型梁試驗研究,在該橋施工中提出並應用了無粘結豎向預應力技術.這在國內大跨徑砼橋樑上尚屬首次全面採用,它具有孔道直徑小,施工簡便快速,質量易於保證等優點,為全橋預應力施工創造了較為顯著的社會經濟效益
  14. In local model, the different kind of suspension girder ? i and rectangular beam make different field of velocity characteristic surrounding through two - dimensional velocity experiment. result display i has more influence to velocity around beam than rectangular beam

    文章同時進一步採用選進的投影尋蹤法對試驗數據作了優化處理,使其結果更加可靠,更具實用價值,以供同類型工程設計時參考
  15. In the third chapter, study on the rational cross section of steel stiffening box girder for the suspension bridge, through the fully comparative study with the ordinary hexagon streamlined steel stiffening box girder widely used in the present suspension bridges at home and abroad and taking the reality in the bridge into account, a updated streamlined steel stiffening box girder with fim has been developed and applied to the bridge successfully

    在第3章?大跨懸索橋鋼箱梁合理結構型式研究中,對現代大跨懸索橋通常所採用的鋼加勁梁的斷面型式進行了比較研究,特別是對普通的六邊形流線型箱形斷面和本文提出的魚鰭型流線型箱形斷面從結構受力和經濟性等方面進行了分析比較,為後者在宜昌長江公路大橋上的成功應用提供了可靠依據。
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