橋的跨度 的英文怎麼說
中文拼音 [qiáodekuàdù]
橋的跨度
英文
cut bay-
; 1. the trend of the development of burden and light hanging basket in the cantalever construction of continuous rigid frame bridge has been prospected, the roof truss and cable - state composite hanging basket also has been designed by analyzing and comparing with other ones. 2
對大跨度橋梁懸臂澆築施工的各種形式掛籃施工工藝進行了比較和總結,對連續剛構橋懸臂澆築掛籃施工中重載輕型的發展趨勢進行了展望,提出了一種用於解決重載輕型懸臂澆築施工的新型桁架斜拉式組合掛籃,並進行了可行性分析計算和設計。Under the background of a long - span rigid - framed flexible cfst arch bridge, the catholicity method to compute the ultimate capacity is brought forward
以某大跨度剛性梁柔性鋼管硅拱橋為例,總結了具有較普遍意義的大跨度橋梁極限承載力計算方法。The classical frequency - domain theory forms a basis of bridge vibration analysis, however such method has some limitations. some literatures show that the time - domain analysis method has advantages for vibration analysis. because of the research on time - domain vibration analysis developed only in recent years and the theory is n ' t perfect enough, it needs to be made further investigation
經典的簡化靜力法存在一定的局限性;反應譜法為中、小跨橋梁的抗震設計提供了廣泛的應用,但對解決大跨度橋梁的線性與非線性問題存在明顯不足;時程分析法由於該領域的研究起步較晚,目前的理論和方法還不甚成熟,有待于進一步深入研究。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。Because the span of the bridge becomes longer and longer, the request of designing, construction, material and equipments should be elevated
由於橋梁跨度的不斷增大,對大跨度預應力混凝土橋梁的設計、施工、材料及設備等要求亦不斷提高。In particular, for the revised version of the code which will cover bridges with span beyond 150 m, this thesis provided necessary theoretical arguments as well as convenient analysis means
尤其是將規范涵蓋的橋梁跨度范圍擴大到150m以上時,給出了充分的理論依據和方便的計算手段。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
隨著橋梁跨度、橋面柔性和構造復雜性的增加,大跨度斜拉橋的地震動研究已經成為橋梁工程界最關心、最具有挑戰性的課題之一。The resonance conditions of the train - bridge system are affected by the span, total length, lateral and vertical stiffness of the bridge, the compositions of the train, and the axle arrangements and natural frequencies of the vehicles
車橋系統的共振條件與橋梁跨度、長度及豎向和橫向剛度,列車編組、車輛軸距參數及車輛的自振頻率等因素有關。Therefore, it is necessary to get temperature mode and its effect on the stress and the line deformation in one region of our country by theories and experiments. it can be used in the bridge design, which makes a reasonable time to construct, sprinkle concrete and control appropriate temperature on key constructing processes
因此,有必要通過實驗和理論等研究工作,得到合適於我國或某一地區的大跨度pc連續梁橋的溫度場分佈規律及其溫度效應,可以用於指導設計,確定施工立模及混凝土澆注的合理時機,對關鍵的施工工序進行適當的溫度控制。It has a span of 4260 feet. the bridge is so long that the shape of the earth had to be taken into account by its designer.
橋的跨度有4,260英尺。橋梁很長,所以它的設計師不得不考慮地球的形狀。From above calculating : the longer span of supports, the less load of cable tray. customers select not only the span of cable tray, but also to pay attention the load of cable tray
可見,支吊架跨距越大,托盤、梯架的承載能力越小,用戶和設計單位在選用時一定要注意,不要僅著重選擇橋架的跨度而忽視了橋架的承載計算。It has a span of4260 feet. the bridge is so long that the shape of the earth had to be taken into account by its designer
橋的跨度有4 , 260英尺。橋梁很長,所以它的設計師不得不考慮地球的形狀。It has a span of 4260 feet. the bridge is so long that the shape of the earth had to be taken into account by its designer
橋的跨度有4 , 260英尺。橋梁很長,所以它的設計師不得不考慮地球的形狀。J. melan proposed the deflection theory for analyzing large - spanned suspension bridge early as in 1888. the finite element theory has been so advanced today and has been widely applied in analyzing suspension bridges
J . melan早在1888年就提出了大跨度懸索橋的撓度理論,空間有限元理論也在七十年代中期趨于成熟並廣泛應用於大跨度懸索橋的分析。The construction of concrete filled with steel tubular ( cfst ) arch bridge has been developed in recent ten years in our country. although about 40 bridges whose span are longer than 80 meters are constructed, there are only two through tied ? rch bridges without wind bracing, including guangzhou jiefang bridge
近10年來,我國鋼管混凝土拱橋建設發展迅猛,已建成的跨度大於80米的約有40多座,而無風撐下承式系桿拱橋僅2座。" in the course of widening the river section at lo wu, it is necessary to reconstruct the lo wu railway bridge as its span is not long enough for the widened river section, " he said
他說:在擴闊深圳河羅湖河段的過程中,我們必須重建現有的羅湖鐵路橋,因為這條橋的長度不足以跨越擴闊后的河道。Taking the long span continuous rigid - frame structure of the south bank approach spans of wuhan tianxingzhou changjiang river bridge as the research object, and using the large scale finite element analysis program ansys and two ways of modeling with solid element and spatial beam element, this paper respectively analyzes the dynamic characteristics of the rigid - frame structure of the approach spans, makes a study of the influences of rigidity changes and bearings failure of the thin - wall piers on the dynamic characteristics of the structure of the approach spans and also compares the results of numerical analysis of the two kinds of modeling
摘要以武漢天興洲長江大橋南岸引橋大跨度連續剛構為研究對象,運用大型有限元分析程序ansys ,採用實體模型與空間梁單元兩種建模方式,分別分析了其動力特性,探討了薄壁墩的剛度變化與支座失效對其動力性能的影響,並對兩種模型的數值分析結果進行了比較。Seven chapters are included in this thesis. the first chapter is the introduction about the necessity of bridge detection and common defect of the bridge. the second chapter introduces the structural basic condition and defect details of the bridge. the third chapter describes the preparation for the detection work. including the overall investigation of the diseases and the condition at operation, the set - up of loading test and control measures and structural computation. the 4th chapter is on - the - site detection, which consists of static and dynamic tests and necessary data collecting for analysis and evaluation. the 5th chapter is the analysis of detention data. according to collected data of loading tests, the results of static and dynamic tests are analyzed. the 6th chapter evaluates the strengths, rigidity. stability and dynamic characteristics of the bridge, so that the conclusion can be reached. the 7th chapter is summarization
第六章是檢測評定結論,全面評定該橋的強度、剛度、穩定性和動力特性,從而給出檢測評定結論。第七章是總結,在對本項目的工作內容和工作特點進行總結的基礎上,指出了舊橋檢測存在的問題以及今後發展的方向。同時,通過對本次檢測工作的研究,初步形成了一套特大跨徑舊鋼橋的檢測評定方法,即:全面的病害和運營狀況調查、現實狀況計算分析、制定加載試驗方案和加載控制措施、加載試驗、綜合橋梁分析專家評定。With the suspension bridge, your cable can curve and a curved cable can reach a lot further than a straight cable so, on a suspension bridge you can get a longer span
對于懸索橋而言,繩索可以彎曲,彎曲的繩索比直的承受力更大,所以懸索橋的跨度可以更長。The temperature effect analysis of a long - span prestressed concrete continuous bridge
某大跨預應力混凝土連續梁橋的溫度效應分析分享友人