river span 中文意思是什麼

river span 解釋
河跨
  • river : n 1 河,江。 Rriver Thames 或 the R Thames 泰晤士河; the Hudson R 〈美國〉哈得孫河。 the Rriver ...
  • span : n 1 一?〈手指張開時,拇指尖至小指尖的長度,通常九英寸〉。2 (常有短的涵義的)一段時間;很小的間隔...
  1. The following are the large projects undertaking by haifeng company : crude oil electricity plant project of north china oil field hydroelectricity factory, apartment ( 22 stories ) of yuanda real estate company of dalian shipping group, helios hotel of helios group in dalian development zone, tilt aqueduct bridge of shanxi hongqi reservoir ( total span : 267m ), supply and sale building and city construction building ( both are antique architectures ) of shanxi heyang city, sea drainage pipe of hainan fudao fertilizer factory ( 1520 ), 8 oilgas docks of hainan haiyan oilgas company, basha condensable gas transfer station of haiyan company, 10, 000m3 oilgas storage tank of arco company ( usa ) in hainan nanshan, gas pipe and fuel gas installation project of hainan nanshan electricity co., ltd, base and accessory project of hainan gas company, bei da huang cereal and oil market in harerbin, hainan cross island pipe, changhuajiang river pipe crossing project, taihangshan mountain earthwork project ( the 19th section of west - to - east gas transmission project )

    海南海峰公司承建大的工程項目:華北油田水電廠原油發電站工程;大連船泊集團遠達地產公司的遠達公寓( 22層) ;大連開發區香港太陽神集團的太陽神大酒店;陜西紅旗水庫斜拉渡槽工程(全跨267m ) ;陜西合陽供銷大樓及城建大樓(均為仿古) ;海南富島化肥廠排海管線( 1520 ) ;海南海燕油氣公司八所油氣碼頭;海燕公司白沙液化氣中轉站;海南南山美國阿科公司儲油氣萬立米大罐工程;海南南山電力股份有限公司天然氣管線及燃氣安裝工程;海南南海天然氣有限公司基地及配套工程;哈爾濱北大荒糧油批發市場;海南環島管線;昌化江穿越工程;西氣東輸十九標段,太行山土石方工程。
  2. 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橋主橋結構設計情況,對於五跨梁拱組合橋梁各孔跨合理的跨度比、疊拱的受力行為及連續梁系桿截面形式等設計中的關鍵性問題進行了深入的研究,給出了主橋連續梁系桿的剛度和應力情況、鋼管混凝土拱的應力情況。
  3. As an example, the space analysis model about the wuhu changjiang river bridge is done and the internal forces about the wuhu changjiang river bridge due to dead load and lived load are analyzed. 2. the vibration analysis of the long span plate - truss composite cable - stayed bridges

    文中以蕪湖長江大橋為例,建立了該橋的空間有限元分析模型,並重點分析了該橋在自重恆載作用下的結構內力及車輛荷載對橋梁結構內力的影響。
  4. Steel - wood composite support scaffold was employed for construction of danhe river super major bridge, a stone arch bridge with a main span of 146 m

    晉焦高速公路丹河特大橋為主跨146m的石拱橋,該橋在施工中採用鋼、木結合的支撐拱架。
  5. 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,橋梁結構向大跨度、薄截面、預應力方向發展,橋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橋梁施工作業更加簡單高效、經濟合理。
  6. And looking along them, with reverently shaded eyes, a bridge of light appeared to span the air between him and the sun, while the river sparkled under it

    他用手肅然地遮住眼睛,迎著陽光望去,看到一道光橋架在空中,把他和太陽聯結起來,陽光下河水波光粼粼地熠耀著。
  7. Furthermore, the concept of the life - span of fresh water, is put forward for the first time to demonstrate the potential value of the water resource. in a certain sense, the rdwr model has supplied a new way to evaluate the richness degree of the water resource in an area as well as determination of the jurisdiction of water resource, and the evaluation of the strategic importance of a river

    針對這一問題,本文從時空的角度提出了水資源豐度(簡稱「水豐度」 )這一新的模型,試圖彌補水資源量概念的不足;並首次提出「凈水壽命」概念,用於描述水資源的潛在價值。
  8. The thesis is aimed at presenting a procedure to establish a baseline finite element model of the qingzhou cable - stayed bridge over the ming river, fuzhou, china that was newly constructed. its main span length of 605m is the longest in the world among the completed composite - deck cable - stayed bridge. the proposed procedure includes several tasks : initial finite element modeling base on the design drawings, field loading tests and ambient vibration tests, and finite element model calibration with the test results

    本文以主跨605m的結合梁斜拉橋? ?青洲閩江大橋為背景,首先根據設計圖紙建立該橋完整的初始空間有限元模型,然後根據通車前現場靜力試驗和環境振動試驗結果對初始有限元模型進行校正,通過參數的調整使模型靜、動力計算結果與實測值吻合。
  9. The analytical example is min - river cable - stayed bridge, which is the third longest cable - stayed bridge and the longest composite beam cable - stayed bridge in the world, with main span 605m. the paper set up a 3d model of the bridge with ansys finite element program, considering the geometrical and material non - linearity

    以青州閩江大橋這座主跨長605m的大跨度疊合梁斜拉橋為例,利用ansys大型通用程序建立成橋階段、懸臂階段的空間模型,在計算中考慮了材料非線性和幾何非線性的影響。
  10. Wan zhou yangtze river bridge is the establishing large span steel truss bridge now, and the property of it is the lower stiffness of the main girder. when the speed is high, the analyses and the vibration control of vehicles and bridge are very important, especially the dynamic lateral response of the system

    萬州長江大橋是目前在建的大跨度鋼桁架拱橋,其特點是主梁結構剛度較小,在高速行車速度下,對起車橋耦合振動分析及其控制尤其是車橋系統橫向動力響應研究則尤為重要。
  11. Is apart from the jiuzhaigou more than 100 kilometers, is apart from the songpan county seat 55 kilometers, south the elevation 3, 658 meters wangxiangtai, north stop to the elevation 3, 150 meter peiriver river valley, the span 3. 5 kilometers

    距九寨溝約100多公里,距松潘縣城約55公里,南起海拔3658米的望鄉臺,北止於海拔3150米的涪江河谷,全長3 . 5公里。
  12. In this dissertation, the up - to - date theory and method of construction control are researched by depending on the construction monitoring and controlling of hong - shui river long span bridge ni guang - xi province

    本論文依託廣西水南公路紅水河特大橋的施工監測與控制,研究最新的施工控制理論和方法。
  13. Bill ' s east river fish was created when the artist was contemplating the life span of fauna in that river

    當藝術家關視江中魚群群生命跨越時,作品「比爾的東江魚」誕生了。
  14. The dynamic behavior of a long span cable - stayed bridge ( north bridge of runyang yangtse river bridge ) is calculated, the frequency response function ( frf ) is compressed using principal component analysis ( pca ), and the frf is then reconstructed based on a few, principal components

    摘要針對潤揚長江大橋北漢斜拉橋進行動力分析,採用主元分析對其頻響函數進行了有效降維,並根據降維后的主元重構了結構頻響。
  15. To our satisfaction, all the measuring results from the measurement locale are accurate and convincing comppared with the results calculated by the theory which makes it clear that the system can meet the demands of measuring upon the dafosi bridge of changjiang river. the system has achieved the long - time and real - time automatic deflection measurement of the bridge at first time in our country, and the system has passed the appraisal of the experts consigned by the ministry of communications so the system has the practical value on the long - span bridge ' s deflection measurement

    通過對橋梁實際測量結果與理論計算的結果的對比分析可知,本文所設計的連通管式光電撓度測量系統測量數據準確,系統可靠,能夠滿足大佛寺長江大橋撓度測量的需要。該撓度測量系統首次在國內實現了橋梁主梁撓度的長期實時自動監測,並且已經通過了交通部的項目驗收,具有一定的推廣價值
  16. Temperature process lines with tidal cycles of multi engineering conditions of characteristic sections are obtained, the relationship between temperature distribution and velocity field is established, the inner mechanism change of temperature process lines is investigated, the interrelation between water intake and outlet is analyzed, the relation between the ratio of dimensionless temperature rise span of the plant intake and the ratio of river discharge volume and plant cooling water intake volume is obtained

    得到了特徵斷面多種工況隨潮周期變化的溫度過程線,建立了溫度場與流速場的相關關系,研究了溫度過程線的變化機理,分析了取排水口對溫度場的相互影響關系,探討了無量綱溫升時長比與無量綱來取流量比的相關關系。
  17. 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。
  18. The measurement of deflection of a bridge is crucial constituent part in the monitoring of bridges. the majority of existing methods about bridge deflection measurement can not accomplish the real - time and long - range measurement. the ultrasonic method based on connected pipes still has shortage in precision and speed of measurement. to satify the need of deflection measurement of the dafosi bridge of changjiang river, an opto - electronic measurement method is to be used to improve on the method based on connected pipes. furthermore, we will design an automatic opto - electronic deflection measurement system based on connected pipes which can be practised in the long - span bridge

    大型橋梁的安全監測具有重要的現實意義,而撓度監測是橋梁監測的一個重要的組成部分。目前現有的許多撓度測量方法還不能實現實時遠程監測,已有的連通管式超聲波法還存在著精度較低,測速慢等不足。針對大佛寺長江大橋撓度測量的需要,在此採用精度較高的光電測量方法結合連通管的優點加以改進。
  19. The organization system is established according to the construction courses of hong - shui river long span bridge, which includes the loop of structure analysis, construction, test, forecasting, identifying, adjusting, preliminary announcement and construction. and the construction control flow process is established in this dissertation, as well as the solving programme

    文中還根據紅水河特大橋的施工過程,按結構分析、施工、檢測、預測、識別、調整、預告、施工的循環特點,建立了組織機構,制定了施工控制流程和解決方案,實現大橋線形和應力的檢測和控制,效果良好。
  20. The bridge crosses the river in a single span

    河上那座橋是單跨橋
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