橋面跨度 的英文怎麼說

中文拼音 [qiáomiànkuà]
橋面跨度 英文
deck span
  • : 名詞1. (橋梁) bridge 2. (姓氏) a surname
  • : 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...
  • : 動詞1 (抬起一隻腳向前或向左右邁) step; stride 2 (兩腿分在物體的兩邊坐著或立著) bestride; stra...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 橋面 : road of bridge; bridge floor; deck
  1. This paper presents the structural design of the main bridge of lhasa river bridge, makes a deep - going study of the key techniques for design of the bridge, such as the reasonable span length ratio of each span of the 5 - span girder and arch hybrid structure, mechanical behaviour of the dual arch ribs, and section of the continuous girder tie beam, and also works out rigidity and stress conditions of the continuous girder tie beam and stress conditions of the concrete - filled steel tube arches of the main bridge

    摘要介紹了拉薩河特大結構設計情況,對於五梁拱組合梁各孔合理的比、疊拱的受力行為及連續梁系桿截形式等設計中的關鍵性問題進行了深入的研究,給出了主連續梁系桿的剛和應力情況、鋼管混凝土拱的應力情況。
  2. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模型的參數等值線圖,率定了不同設計頻率的改正系數,使設計者只需在地形圖上獲取集水積,河道平均坡降和流域形狀系數,在參數等值線圖上查得涵所在地的相應參數,使用計算器即可迅速計算出設計流量,大大縮短了設計周期,且精較高,設計的洪水流量一般低於傳統方法,從而可減小徑,節省投資。
  3. The software ansys6. 0 is used to analysis the stability of the state after construction of tongwamen bridge, linear method is used in analyzing the finite element model of the bridge, the coeffient of stability of different state after construction is given. on the basis, the effect of different factors such as the arrangement of lateral brace, the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed. the different coefficients of stability of changing these factors are given, so the factors that are vital to the lateral stability of x - type arches are found, and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated

    本文應用有限元分析商業軟體ansys6 . 0 ,採用線彈性方法,通過對該的空間有限元模型進行穩定性分析,得出其成運營階段各種工況下的穩定安全系數。在此基礎上,本文還通過有限元模型分析,就拱的矢比、吊桿(立柱)的非保向力效應、系的剛、橫撐布置形式、拱肋側傾角等因素對該整體穩定性的影響展開探討與研究。文中給出了各因素變化情況下的穩定安全系數,指出了對鋼管混凝土提籃拱橫向穩定性有顯著影響的因素及其合理變化范圍,並對銅瓦門大提高橫向穩定性的措施的經濟合理性進行了分析。
  4. 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,梁斷顫振導數的識別都是大梁顫抖振響應分析中的重點和難點問題。
  5. 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

    鑒于目前梁斷顫振導數識別的水平和存在的問題,本文通過對大梁非定常氣動力、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。
  6. The author redesigned the common concrete beams and carried out a comparative analysis to the existing beams according to the specification for design of reinforced concrete and prestressed concrete highway bridges and culverts ( jtj023 - 85 ), the specification for design of reinforced concrete and prestressed concrete highway bridges and culverts ( informal version for advices ) and relevant rules of its matching stipulations, light aggregate concrete bridge technology stipulations ( ( informal version for advices ) and on the basis of prestressed concrete theory. the thesis emphasized on the research of the variation of the concrete, prestressing tendon quantities, their spans, beams " height and their rigidity of both the designed beams and the existing beams, and obtained the quantitative results from above research

    採用hslc置換梁體中的普通混凝土,並運用預應力混凝土理論,依據《公路鋼筋混凝土及預應力混凝土涵設計規范》 ( jtj023 - 85 ) , 《公路鋼筋混凝土及預應力混凝土涵設計規范》 (徵求意見稿)和與之配套編制的《輕骨料混凝土梁技術規程》 (徵求意見稿)的有關規定,對上述普通混凝土梁進行了重新設計並與既有梁進行了對比分析,得出了設計梁與既有梁在混凝土及預應力筋用量、、梁高以及剛等方的變化情況,得到了定量結果。
  7. The newly completed hall of national agricultural exhibition center has a length of 152. 5m, width of 86m, exhibition hall area of 13, 000m2 and highest point of 15. 6m

    剛剛新建的北京全國農業展覽館?新館採用大獨立柱基張弦式管架結構,長152 . 5米,寬86米,展廳積13000平方米,最高處達15 . 6米。
  8. As a result of increasing bridge span, deck flexibility and structure complexity, earthquake analysis of long span cable - stayed bridge becomes one of the most concern and challenge problems in bridge engineering field

    隨著柔性和構造復雜性的增加,大斜拉的地震動研究已經成為梁工程界最關心、最具有挑戰性的課題之一。
  9. According to the theory analysis and engineering practice, the application of natural vibration features in bridge inspection is introduced. during the transient dynamic analysis of pubugou cfst arch bridge, the time history responses of the structure under uniform velocity moving load and impact load are analyzed, and the amplification coefficients of deflection and internal forces of the structure are intensively analyzed

    在瀑布溝大的瞬態動力分析中,模擬分析了當移動荷載以不同速通過時的時間歷程動力響應以及在沖擊荷載作用下結構的時間歷程動力響應,並對結構在移動荷載和沖擊荷載作用下的動力放大系數作了較為詳細的分析。
  10. With the advancement of calculating theory and design technology, as well as the wide application of computer in the engineering design area, the bridge structure is developing towards large span, thin section, and prestress. the bridge construction scheme is also made great progress. with the research on construction project, the construction of the bridges over the river or the gorge is becoming more and more simple, efficient and economical

    隨著結構計算理論和設計技術的進步,以及計算機在工程設計領域的廣泛應用,梁結構向大、薄截、預應力方向發展,梁的施工方案也取得了很大的進展,通過施工方案的研究,使位於大江大河上及深山峽谷中的梁施工作業更加簡單高效、經濟合理。
  11. Result shows : the vibration of vehicle is mainly relevant to velocity and uneven path. the higher the velocity is, the more uneven the path is, the more violent the vibration of vehicle is ; comparing dynamical response of middle bridge stride on vehicle passing bridge and on equivalent moving loads, the displacement is same but the velocity and the acceleration are different ; the result of velocity and acceleration of vehicle is big over the ground path than over the same path of bridge

    結果表明:車輛的振動主要和車速及軌道不平順有關,車速越高,軌道越不平順,車輛振動的就越劇烈;車過中動力響應與等效移動荷載作用下中動力響應比較,中的位移基本相近,速和加速則不同,等效移動荷載作用情況下的數值比較大;車輛過地軌道不平順時的速、加速比車輛過上同樣軌道不平順時的數值大。
  12. The seperated pair of main ribs section was made up by bridge panel and girder, because its construction is convenient, used widely in the prestressing force concrete cable - stay bridge of large span

    回答:分離式雙主肋截是由板與邊主梁組合而成,由於其施工方便,在大預應力混凝土斜拉中得到廣泛應用。
  13. Taking the 4th binhai road bridge in the development zone of dalian city as an example, this paper presents the key points of the overall design, plane and spatial static analysis, stability analysis and construction technology of long span half - through concrete filled steel tube arch bridge

    摘要以大連市開發區濱海路四號為例,介紹大中承式鋼管混凝土拱的總體設計、平靜力分析、空間靜力分析、穩定分析和施工工藝的要點。
  14. Stay cables of the long - span cable - stayed bridges are susceptible to vibration under wind loading, or wind incorporated rain excitation, or deck motion due to high flexibility, relatively small mass and very low inherent damping, such as vortex shedding, wake galloping, parameter resonance and wind - rain induced vibration. large - amplitude vibration of cables may reduce the life of cables and threaten safe traffic, and has been considered today as one of the most critical problems for this type of bridge

    斜拉拉索具有較小的質量和極低的阻尼,在風、風雨及振動等外部激勵下極易發生振動,如渦激共振、尾流馳振、參數共振和風雨振等,拉索的大幅振動對拉索的使用壽命和梁安全運營構成極大威脅,它已成為大斜拉急需解決的關鍵問題之一。
  15. Making reference to the anqing changjiang river highway bridge construction and the construction control, firstly, this paper studies the philosophy of the cable - stayed bridge construction control simulation analysis systematically, and pays much attention to the theory of simulating the construction process : backward analysis and forward analysis. then on the basis of introducing the construction process of the anqing changjiang river highway bridge, analysis the construction course fully, and analysis comparatively the result of each girder segment construction simulation, and study the variation philosophy of the line style of large cable - stayed bridge during construction

    本文緊密結合安慶長江公路大的主梁施工及施工控制實踐,首先系統地分析了斜拉施工控制模擬計算的整體思路,並重點分析探討了斜拉施工過程計算的理論:理想倒退分析和實時前進分析,然後在介紹安慶長江公路大施工過程的基礎上,全地計算分析了全的施工過程,並且應用施工過程計算結果,對每一個梁段的施工模擬工況進行對比分析,研究了大鋼斜拉在施工過程中的線形變化規律。
  16. In view of the defects of the available bridge girder models , this paper proposes a new double - girder model adapted to composite bridge sections for the dynamic analysis of long - span cable - stayed bridges in the proposed model , the equivalence of the stiffness and mass systems of the bridge girders can be satisfied and the nodes and elements can be maintained in lower numbers the dynamic behavior of a cable - stayed bridge is analyzed by the new double - girder model and the conventional triple - girder model respectively the numerical results show the accuracy and efficiency of the proposed model

    針對大斜拉動力分析的現有系模型的不足,提出了一種適用於疊合梁系的新型雙主梁模型該模型既保證了系剛系統和質量系統的等效性,也使模型的節點數和單元數維持在一個較少的水平,提高了計算效率採用文中提出的雙主梁模型和傳統的三主梁模型對廣州鶴洞大進行了動力特性分析,結果顯示了本文模型的正確性和實用性
  17. However, the analyses of suspension bridge structures are still preferred by finite displacement analysis based on 2d ( two - dimensional ) or spatial skeleton approximate models

    但大懸索的分析至今還局限於用平或空間骨架近似模型。
  18. In recent years, developing completely along with high grade highway and stereoscopic transportation in cities, bridge development has entered the unprecedented high tide period. among them the box girder occupies important position in developments of the long - span pc beam bridge with its good section - form

    公路及城市立體交通的全發展,梁建設進入了前所未有的高潮時期,其中箱型梁以其優良的截形式在大pc梁建設中佔有極重要的地位。
  19. Sydney harbour bridge is the widest longspan bridge in the world. how wide is the deck

    悉尼港口大是世界上最寬的大梁。有多寬?
  20. At last, on the basis of the linear finite element model, the effect of different factors such as the stiffness of the arch rib, the arrangement form and the arrangement position of the lateral brace, the sloping angle of arch ribs, ratio of the width to the span, the form of the hangers, the stiffness of bridge decks, cables etc is discussed

    最後,本文還通過有限元模型的分析,就拱肋自身剛、橫撐的布置形式和布置位置、拱肋內傾角、寬比、吊桿形式、、斜拉索等方對該的整體穩定性的影響展開討論和研究。
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