梁的斷面 的英文怎麼說
中文拼音 [liángdeduànmiàn]
梁的斷面
英文
beam profile- 梁 : 名詞1 (屋架中架在柱子上的長木) beam 2 (通常也指檁) purlin 3 (橋) bridge4 (物體中間條狀隆起...
- 的 : 4次方是 The fourth power of 2 is direction
- 斷 : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 斷面 : section; fracture surface; plane of fracture
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Here we obtain the strain compatibility method ande equilibrium of forces and concepts of fracture mechanincs, they can be used to predict the ultimats strength in flexure that can be achieved by such elements, given the cfrp cross - sectional area, or conversely, the required cfrp cross - sectional area to achieve a targeted resisting moment of rehabilitated flexureal elements
Cfrp加固梁在承受彎曲荷載時的破壞是鋼筋屈服后碳纖維斷裂和鋼筋屈服后混凝土壓碎。本文通過應變相容方法和對破壞機理的定義,由給定的cfrp橫截面積預測加固梁的極限彎曲強度;或者相反,在已知加固梁的極限彎曲強度時可以求出所需的cfrp橫截面積。Influence of central slot on bridge box girder ' s flutter instability
橋梁斷面中間開槽對顫振穩定性的影響Application of wire meshes beam and cable anchor in large fault roadway of composit roof
錨梁網索支護在復合頂板大斷面煤巷中的應用The identification of flutter derivatives for bridge sectional model has long been a key issue in long - span bridge flutter and buffeting analysis
長期以來,橋梁斷面顫振導數的識別都是大跨度橋梁顫抖振響應分析中的重點和難點問題。As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method
鑒于目前橋梁斷面顫振導數識別的水平和存在的問題,本文通過對大跨度橋梁非定常氣動力、顫振分析方法及顫振導數識別方法的回顧和評述,基於現有的非定常氣動力和顫振導數的測試方法,在國家自然科學基金與鐵道部重點學科基金的聯合資助下,研究開發了一套在風洞中採用強迫振動法測試顫振導數的裝置。The plexiglass model test is carried out by two selective shape, the stress of each test operating loads was obtained in order to validate the correctness of the finite element modeling. in this paper, a regularity of shear lag effect of main sections in two kinds of box girder is given. as the foresight project of double - level - driveway continuous box girder, this research fully utilizes the space of box girder structure and flexural and torsional properties of high - depth box girder, which have innovative significance and applied foregroundin engineering
對所選擇的結構形式進行縮尺有機玻璃模型試驗,得到實腹連續箱梁和空腹箱梁在各種試驗工況荷載下的應力,通過換算分析,驗證了本文所建立的有限元模型的準確性,由此得到兩種箱梁各主要斷面剪力滯效應的變化規律。I wandered, on a moonlight night, through the grass - grown enclosure within : here i stumbled over a marble hearth, and there over a fallen fragment of cornice
在一個月光如水的夜晚,我漫步穿過裏面雜草叢生的圍場。一會兒這里絆著了大理石火爐,一會兒那裡碰到了倒地的斷梁。Application of specimen double cantilever sandwich to the study of interfacial fracture toughness of rubber composites
用雙懸臂夾層梁試樣研究復合材料與橡膠粘接界面的斷裂韌性In cross section the total deck width is 1158 ft with the torsionally rigid spine box girder having a width of 39 ft 4 in.
橫斷面上,橋面總寬1158英尺,其中具有抗扭剛度的脊骨箱梁寬39英尺4英寸。In cross section the total deck width is 1158 ft with the torsionally rigid spine box girder having a width of 39 ft 4 in
橫斷面上,橋面總寬115 8英尺,其中具有抗扭剛度的脊骨箱梁寬39英尺4英寸。Importance and means of signal measurement and processing in control of three main electric and mechanical equipment for walking beam heating furnace are discussed, the discussion includes time filtering processing of digital signal, measuring signal processing and measurement fault judging of translation stroke in charging machine and discharging machine, translation stroke measurement of walking beam and measuring method of slab output quantity
摘要論述了步進梁加熱爐的三個主要電氣機械設備控制中信號檢測和處理的重要性及方法,包括四個方面:數字信號的時間濾波處理,裝鋼機、出鋼機的平移行程檢測信號處理和測量故障判斷,步進梁的平移行程檢測,板坯流出量的檢測方法。Then, if your view ran along the bank, from east to west, from the tournelle to the tour de nesle, there was a long cordon of houses, with carved beams, stained - glass windows, each story projecting over that beneath it, an interminable zigzag of bourgeois gables, frequently interrupted by the mouth of a street, and from time to time also by the front or angle of a huge stone mansion, planted at its ease, with courts and gardens, wings and detached buildings, amid this populace of crowded and narrow houses, like a grand gentleman among a throng of rustics
如果再縱目從東向西,從小塔向納勒塔遠望,只見長長一帶房舍,雕梁畫棟,彩色玻璃窗戶,層層疊疊,突出在石路上方;還可以看見一派市民房舍的山墻,曲曲折折,望也望不到盡頭,時常被一道街口所切斷,也不時被一幢石墻大樓的正面或側面所切割;大樓四平八穩,連同庭院和花園,廂房和主體,夾在那彼此緊挨著的狹窄民舍當中,猶如一個領主老爺夾在一大堆平民百姓中間。As the basis of stochastic torsional analysis, a stepped thin - walled beam model with complex cross - sections of arbitrary shapes ( open, closed or mixed ) is established in this paper, which takes into account the effect of secondary shear flow resulting from warping restraint
摘要具有復雜斷面形狀的階梯精密梁模型作為扭轉隨機分析的基礎,可以計及翹曲約束引起的二次剪流。Therefore, it might be very essential to study the cable stayed bridge of the super breadth composite beam. additionally, the main problems of the study are as follows : 5 、 the distributing for stress of lengthways and transverse in transect ; 6 、 discussing the change of stress of lengthways and transverse, while the breadth of bridge is changing ; 7 、 in the cable stayed bridge of the super breadth composite beam, the lengthways reinforce rib and rigidity crossbeam exert influence on stress of bridge board ; 8 、 while tower and beam are concretion, main tower affects bridge board
鑒于目前關於此類橋型研究成果不多,就此作了下列若干問題的研究: 1 、超寬疊合梁斜拉橋橫斷面上縱向應力分佈和橫向應力分佈特點的研究; 2 、對超寬疊合梁斜拉橋隨著橋寬變化時,上述兩種應力分佈變化規律進行探討; 3 、在超寬疊合梁斜拉橋中,縱向加勁肋對橋面板受力的影響;橫梁尤其是剛性橫梁在橋面板受力中所起的作用; 4 、塔梁固結時,主塔對橋面板的作用。Epoxy - bonding a carbon - fiber composite plate to the tension face of concrete beam is an effective technique for repair and retrofit of concrete beams. in the first part of this paper, based on the fracture mechanics and the theory of beam, a theoretic model is proposed to analyze the shear stress in the adhesive between carbon - fiber composite and concrete. and then the closure - form solution for the shear stress distribution is drawn
本文的第一部分基於斷裂力學與梁的基本理論,對碳纖維加固混凝土梁的粘結膠層以及粘結界面的剪應力分佈進行了理論分析,得出了其理論解析解;討論了碳纖維板的粘結長度、粘結厚度和粘結膠層的抗剪模量對界面剪應力分佈的影響。- ii - 5. with the consideration that the cross section of the cable - stayed structure and the rigid frame structure ' s are not uniform, a new joint solution was presented for these different sections
5 、針對金馬大橋斜拉橋側主梁截面與t構側主梁截面形式不統一的問題,提出了一種不同結構斷面的新型連接方法。Second, change the diaphragm ’ s space between, retain the other thing, analyze the influence of the stress and deformation of box ? girder cross section and the beam web. based on the analysis upwards, the writer studied the rule of the influence of the stress and deformation box ? girder cross section and the beam web with different diaphragm ’ s space between. according to the results of finite element analysis, the writer puts forward some suggestions which will provide some reference for the following design
本文利用ansys有限元分析程序,對指定斷面,不同曲率的曲箱梁,建立完備的有限元模型,分別對二個方面的問題進行了分析:其一,通過對箱梁在有無跨中橫隔板時截面頂板及腹板的變形和應力分佈的對比分析,闡述了設置跨中橫隔板的重要性;其二,在相同工況下,通過改變橫隔板的設置間距,分析對箱梁翼緣及腹板的受力影響。With the designing and building of yichang yangtse river highway bridge, a single - span suspension bridge with main span of 960m, some technical problems such as the layout of structural system of the suspension bridge, the type of cross section of stiffening steel box girder, the structural system of the anchor and the cracking - resistant techniques of the bulky concrete anchor have been studied in the present thesis. some valuable conclusions have been achieved that provided a substantial support for the successful completion of the bridge. the thesis contains five chapters
本文以湖北宜昌長江公路大橋(主跨為960m的單跨懸索橋)的設計與施工為背景,對大跨懸索橋設計與施工中的若干問題如懸索橋結構的合理布置、加勁鋼箱梁斷面型式的合理選取、錨碇結構的合理確定以及錨碇大體積混凝土設計與施工的綜合防裂技術等進行了研究,取得了一批富於實用價值的研究成果,為宜昌長江公路大橋的順利建成提供了卓有成效的技術支持。The initial strain must be the optimum value obtained by multiple - trial method. 5. in the static analysis of the bridge model under live load, assuming a shifting concentrated load on the girder, analyzing the relation map of each section deflection and the location of the concentrated load, finishing the load - on of the worst - case live load, then the moment and deflection envelope diagrams of the girder were obtained
成橋模型建立后,在後續活載作用下的靜力分析必須首先在主樑上作用移動集中荷載,分析主梁各斷面的活載撓度與集中荷載作用位置關系曲線圖,完成最不利活載的加載,從而最後得到懸索橋主梁的彎矩包絡圖及撓度包絡圖。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。分享友人