long span structure 中文意思是什麼
long span structure
解釋
大跨度結構-
Free vibration analysis of long - span suspension bridge scheme and effects of structure parameter
既有橋梁的技術檢定試驗研究 -
A new type bridge named long - span cable - truss bridge ( lsctb ) was created which can combines advantage of cable and truss structure
該橋型一方面利用纜索的抗拉性能；另一方面利用桁架結構剛度大的優點。 -
2. the finite element model of the structure was formed through reasonable simplification. and modal shapes were studied by using the famous program of ansys. 3. long span suspension arch bridges " responses to uniform excitation of earthquake were discussed. one dimension excitation and travalling - wive effect were introduced in this bridges with geometric nolinear being considered
因此，研究懸索拱橋的地震響應，了解大跨度懸索拱橋在強烈地震動作用下的動力行為，對於此種橋型的實際應用具有很大的指導意義。 -
The prestressed cable is a long - span structure which represents tensegrity structure thought. tensegrity structure is not stable without prestress and structural stiffness should be guaranteed by prestress. the structural stiffness changes compatibly with the load
張拉整體結構在無預應力情況下結構是不穩定的，結構的剛度依靠預應力予以保證，並隨著荷載的作用，結構的剛度不斷變化。 -
Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained
本文採用風洞模型試驗和計算機數值計算相結合的方法，對杭州大劇院大跨度橢球屋蓋和倒圓錐面幕墻組合結構的風振機理、風振形態、風振響應以及風振系數進行了較系統的研究，取得了有意義的結論。 -
Furthermore, the isoline maps of mean wind pressure coefficients and rms wind pressure coefficients of the structure under various wind directions are plotted. in the matter of theoretical analysis, modeling with finite element method, using the local mean wind pressure coefficients and time history of fluctuating pressures determined in wind tunnel, the wind - induced dynamic responses for long - span grid roof structures are calculated in frequency domain and time domain separately
在理論分析方面，建立合理的有限元模型，利用剛性模型風洞試驗獲得的各種不同情況下屋面各節點的平均風壓系數和脈動風壓時程，在頻域內和時域內進行了大跨網架屋蓋結構的風振響應分析。 -
After an introduction to the research on the software for the design of the variant steel arched girder construction, the creation of the structural model, the structure of the supporting seat, the design of the variant arched girder, and the measures taken to ensure the stability of the plane surface of the arched girder, the thesis goes to study the methods for the hoisting and the angle setting of the long - span arched girders, as well as the bolting of the axle pin in the hinge support
論文首先對變異鋼拱架結構設計可採用的軟體、結構模型的建立、支座構造形式、變異拱梁的設計，以及保證拱梁平面外穩定所採取的措施等進行了研究，然後研究了大跨度變異鋼拱架弧形梁吊裝、角度的調整、鉸支座穿軸銷等的施工方法，最後對施工完成後的位移進行了實際量測。 -
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。 -
All the researched results prove the era method is steady and suitable for those structures : spacecraft 、 beam - plane structure 、 truss structure 、 frame 、 bridge, etc. on the basis of the consideration of the above, the major job of the article is to discuss how to identify the parameters of the long - span structure with the method of era under the action of the wind loads
但是，國內外已有的相關文獻，對于下面的結構均進行了相關的研究，如航天器、梁板結構、桁架、框架、橋梁等。基於以上考慮，本文主要工作，就是探討在風激勵荷載作用下，如何用era演算法識別大跨空間網格屋蓋結構的模態參數。 -
Abstract : this paper introduces the global stiffness, strength and stability of bracing structure with long span, pointing out that the control of bracing structure ' s deflection and elastic module can make the arch ring fit the line of pressure and arch axis and can guarantee the stability of bridge structure
文摘:本文介紹了大跨度支撐結構的整體剛度、強度和穩定性，控制支撐的撓度和彈性變量可使拱圈符合設計壓力線與拱軸線，保證橋梁結構的穩定性。 -
For long - span bridges, long - space spatial structure, high - rise buildings, high - rise tower, wind load is one of control loads for structure design, beside for the many use of kinds of the light weight and high strength material and many use of glass cladding, the problem of wind load on the building structure become more serious
對于大跨度橋梁、大跨度空間結構、高層建築、高聳塔桅結構來說，風荷載是其結構設計中主要的控制荷載之一，同時由於各種輕質高強度材料及玻璃幕墻的大量運用，使得建築結構受風影響的問題更加突出。 -
Prestressed concrete slab - column structure has been widely used in long - span and multistory building. there are four commonly used analysis methods for slab - column structure, which are direct design method, equivalent frame method, plasticity method and finite element method
預應力混凝土板柱結構在大開間的多層及高層建築中得到了廣泛的應用，其設計方法有直接設計法、等代框架法、塑性分析法和有限元法等多種方法。 -
In recent years, many long - span self - anchored suspension bridges have been constructed because this type of structure has lots of merits such as graceful appearance, new type of structure and convenience in choosing bridge location
近年來，自錨式懸索橋以其優美的線型、新穎的外觀以及選址靈活等特點而越來越受到青睞，一大批大跨度自錨式懸索橋也就應運而生。 -
Based on the data of wind pressure gotten from the wind tunnel test on rigid model, the mean wind pressures and fluctuating wind pressures on the long - span combined structure are studied
根據杭州大劇院剛性模型風洞試驗的風壓數據，對大跨橢球面屋蓋和圓錐面幕墻表面平均風壓和脈動風壓進行了研究。 -
This paper taking zigui longtanghe bridge in hubei province as a project background, studies about the unified construction technology of tower and buckle frame in erection with cableway used in steel pipe - encased concrete arch bridge constructioa based on the analysis of the construction property of long span steel pipe - encased concrete arch bridge, this paper raises the general scheme and basic structure of unified construction, analyzes the mechanical behavior of unified structure of construction statue, mainly discusses the strength, stiflhess and stability of the unified structure
本文以湖北秭歸龍潭河大橋為工程背景，對大跨徑鋼管混凝土拱橋纜索吊裝塔架扣架一體化施工技術進行了研究。論文以大跨徑鋼管混凝土拱橋施工特點分析為基礎，提出了一體化施工的總體方案與基本結構構造，分析了施工狀態一體化結構的力學行為，主要探討了一體化結構的強度、剛度及穩定性，採用動態監控系統確保了一體化結構在橋梁施工過程中的安全可靠性，從而形成一套系統的纜索吊裝施工新技術，並在實橋工程進行了應用，效果良好。 -
The pc rigid frame bridge can meet with the carrying capacity of long span bridge. this kind of structure is fit for the comfortable steer with no other expansion joints except for those at the two ends. it characterized the wholeness of structure, good astigmatic ability and load - bearing ability, construction rapidness, bright and pithiness bridge style, easy to maintain and convenient for segmental construction using the cantilever technique, so rigid frame bridge have taken an increasingly great proportion in bridges constructed and those under construction at city and county
剛構橋能滿足特大跨徑橋梁的受力要求，除兩端以外無其他伸縮縫，有利於行車平順舒適，具有結構整體性能好、抗震能力強、承載能力強、施工快捷、橋體簡潔明快、維護方便和便於懸臂施工等結構特點，因而在城鄉已建和在建的橋梁中占據了越來越大的比重。 -
Through the analysis of the two test results of the space model specimens of the long - span pre - stressed concrete hypo - beam floor system, the thesis discuss the seismic resistant behaviors of the structure system under horizontal force
本文通過對兩榀大跨度預應力次梁樓蓋的空間模型試件的試驗研究，探討了該結構體系在地震水平力作用下的抗震性能。 -
The long - span cable - stayed concrete filled steel - tubular arch bridge is a kind of new bridge structure form, which combines the cable - stayed bridge and the arch bridge harmoniously. it not only exhibits the respective merits of the cable - stayed bridge and the arch bridge, but also makes two kinds of advantages of bridge type get to add mutually
大跨度斜拉鋼管混凝土拱橋是一種新型的橋梁結構形式，它將斜拉橋與拱橋有機的結合起來，不但展示了拱橋和斜拉橋各自的特點，而且使得兩種橋型的優點得到了相互補充。 -
For example, the large friction loss of prestressed tendons, complex anchorage bearing joint, the problem of cracks in large area structure, axial compress of long span continuous beam under prestress. all those hinder its use in long span structure. until now days, the cognition about the behavior of such structure under loads is not enough for the realm of prestressed concrete of all the world
但是，預應力技術應用於大跨連續框架結構，在設計和施工中還存在一些缺點和不足，例如預應力筋的摩擦損失過大，節點錨固區設計和構造復雜、大面積結構的裂縫控制問題、大跨框架梁在預應力作用下的軸向縮短等，這些都是困擾大跨預應力混凝土框架結構應用的突出問題，特別是目前對于預應力混凝土超靜定結構的受力性能，國內外預應力界的認識尚不夠全面。 -
For the long - span structure, artificial excitation has many abuses. so develop the method of time plane parameter identification has a great project meaning. eigensystem realization algorithm ( era ) is a excellent time domain method
特徵系統實現演算法（ era ） ，是一種比較優秀的時域識別演算法，已有研究結果表明，該方法在進行結構參數識別時是穩定可靠的。
分享友人