arch bridges 中文意思是什麼
arch bridges
解釋
指向標線-
Floor-beam webs have cracked in tied arch bridges.
在系干拱橋的橫梁腹板上發生裂紋。 -
Static and dynamic behavior of three - span continuous prestressed concrete rigid framed arch bridges without spandrel members
三跨連續無腹桿預應力混凝土剛架拱橋的靜動力特性 -
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。 -
If the structure reliability of the existing arch - bridges is analyzed and its current and future reliability level on bearing capacity is presented, it will profit the highway development and administration department in making an economic and reasonable decision on the maintenance of the arch - bridges
對在用拱橋的結構性能進行可靠性分析，給出其現在以及今後一段時間內的承載力可靠度水平，有利於公路建設和決策部門對拱橋的維護工作做出經濟合理、切實有效的抉擇。 -
Suggestion to post - tensioned bounded pre - stressing construction in small - radius camber arch bridges
小半徑彎梁橋中后張有粘結預應力施工問題芻議 -
Because it is simple to make manufacture slab with slightly curved bottom, and is economical to use steel, and is relatively great in aspect of load bearing potential capacity, the slab often has been used as braced arch and rigid - frame arch bridges " deck slab in 1970s and 1980s
由於微彎板具有製作簡單、用鋼量省、承載潛力較大的優點，因而上世紀七、八十年代，在剛架拱橋、桁架拱橋中常用作橋面板。 -
Presently, cfst arch bridges develop in the direction of large - span and lightweight style, accordingly, investigators and devisers should increasingly attach more importance to their dynamic behaviour, and some typical dynamic matter of bridges, such as seismic response, wind induced vibration, coupled dynamic vibration between bridge and vehicle should not be ignored
目前，鋼管混凝土拱橋正朝大跨、輕型的方向發展，因此，該類型橋梁的動力特性也日益引起重視，象地震、風振、車振等橋梁的典型動力問題也是該類橋梁所無法迴避的。 -
Abstract : the continuous composite arch bridges are introduced in this paper. some research results of the bridges, such as the basic performance, creep and shrinkage of concrete, principle of the controlled completed bridge state, relation between structure and internal force, construction methods and cases, are also reported. the suggestions for consideration in design are given in this paper
文摘:介紹了連續拱梁組合橋在受力性能、混凝土收縮徐變、成橋狀態控制原則、構造與受力關系，以及常用施工方法與工況描述等方面的研究體會，並給出了可供這類橋梁設計參考的意見。 -
The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized
它利用拱肋承擔壓力，系梁預應力束抵抗拱端推力，吊桿及縱橫橋面系結構承受橋面荷載，既克服了傳統拱橋巨大的拱端推力，又改善了連續梁橋較大的彎矩和剪力的受力狀況，最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點，經濟效益顯著。 -
In these thesis, on the basis of existing data collected of arch bridges and dynamics, simply introduce the development and application of the analytical method and finite element numerical analysis method of arch bridges. taking the example of pubugou cfst arch bridge, establish 3 - d finite element model of it with software ansys, and analyze its natural vibration. the effects on inherent vibration of the differences of structure parameters, the restriction of the deck and the effects of different arrangements of cross braces are analyzed
本文在收集有關拱橋及動力學資料的基礎上，分析了拱橋動力學的解析分析法和有限元數值分析方法的優缺點，同時以瀑布溝大橋為背景，使用ansys軟體建立了空間有限元模型，實施了橋跨結構的自振特性分析；並分析了考慮到模型簡化過程中部分結構參數取值差異、橋面板的約束狀況不同等因數對自振特性結果的影響；此外還對橋面上的橫撐布置不同導致對自振特性的影響作了分析。 -
Not only limited in the hybridizing of the conventional girder and arch, the hybrid system arch bridges nowadays have had new hybridizing of arches with other types of structures
組合體系拱橋已不僅限於傳統的梁拱組合，還出現了拱與各種結構形式的新型組合。 -
Lateral buckling load of tied - arch bridges with transverse braces
有橫撐系桿拱橋的側向穩定承載力 -
The construction of the bridge began in oct 1999, and the closing up of the steel tube was in dec 2000. during that period, i learned and analyzed the current construction methods fairly comprehensively, and collected the construction technique data of the cfst arch bridges having been built. based on this, aided by the simulation of construction procedure using finite element program, i proposed the operation program to make the steel tube segment be located at one time, and the scheme of dividing rooms to segment pouring
大橋於99年10月開工， 2000年12月主橋鋼管合龍，在此期間，本人就目前鋼管混凝土拱橋的施工方法進行了較全面的了解和分析，搜集了此類已建橋梁的施工技術資料，在此基礎上，又藉助有限元程序對施工過程模擬計算的支持，提出了在梅溪河大橋懸臂安裝過程中，鋼管節段一次就位的操作程序和鋼管混凝土分倉灌築的方案，並為施工單位采納應用。 -
Ultimate bearing capacity analysis of stone arch bridges
石拱橋極限承載能力分析 -
The outcome is very beneficial to designing other tone arch bridges
計算結果符合實際，可作為其他石拱橋設計時參考。 -
These two bridges are the typical old dyke - block - type stone arch bridges in china
這兩座橋是我國古老堤障式石拱橋的典型。 -
There are rope bridges, arch bridges, tower bridges, cable bridges and reinforced concrete bridges
有早期的索橋、拱橋、塔橋、斜拉橋和鋼筋混凝土橋。 -
Owing to many advantages such as high load capacities, good fire and earthquake resisting behavior and convenience for construction. concrete - filled steel tubular ( cfst ) arches have been more and more widely used in practical constructions especially in highway and city arch bridges
鋼管混凝土拱形結構具有跨越距離大、承載能力高、塑性和韌性好、施工方便、耐火和耐腐蝕性能好等優點，在實際工程特別是公路和城市橋梁中得到了越來越廣泛的應用。 -
Second, design schemes of strengthening arch bridges are put forward and strength computation of which is executed
其次，以實橋為背景，提出了橋梁加固改造方案並進行了加固后的強度驗算。 -
Experimental investigation on the effects of deck constraint on the mechanical properties of reinforced concrete arch bridges
橋面板約束條件對鋼筋混凝土拱橋力學性能影響的試驗研究
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