arch rib 中文意思是什麼
arch rib
解釋
拱肋-
In 1928, freysinet used the cantilever concept to construct the springing of the arch rib in the plougastel bridge.
在1928年，弗萊西奈運用懸臂的概念，在德國普魯加斯泰爾橋修築了拱橋的起拱部分。 -
The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section, the same to the axial direction. the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration, the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section
在鋼管混凝土拱肋斷面上，鋼管對內填混凝土的環箍效應具有非均勻性，在拱軸方向上環箍效應也呈現非均勻性。驗證了材料的橫向變形系數、混凝土標號等參數的變化將引起環箍效應的明顯改變；混凝土的收縮、徐變和膨脹混凝土的應用導致鋼管混凝土的環箍效應發生變化並使截面的應力發生重分佈；並總結了其變化的基本規律。 -
The system reliability analysis method of arch - bridge is presented based on the failure model of arch rib, which is the most important failure model of arch - bridge. the control sections of arch rib in the analysis of bearing capacity reliability are determined according to the " five - spot coincidence method ", which is often used in arch - bridge design with chinese code
針對拱式橋結構體系中的主要受力構件?拱肋進行分析，借鑒拱橋設計中的「五點重合法」確定研究截面，進而根據該截面的不利情況確定荷載布置型式。 -
The representative failure models of arch rib are searched and the rib section resistances are calculated by incremental method and disadvantage loading in the control sections. the structure reliability assessment index on bearing capacity of the arch - bridge is calculated by the function of bearing capacity reliability, structure resistance probability model, load action effect probability model and jc method
對每種荷載布置型式，採用荷載增量法進行拱橋結構失效模式的尋找和截面抗力的計算，給出其承載力可靠度功能函數，推導功能函數中結構抗力和作用效應概率模型，並利用改進的一次二階矩法計算在用拱橋承載力可靠度指標評估值。 -
Taking the caiyuanba changjiang river bridge in chongqing as an example, this paper makes a study of the effect of tilting angle of basket handle arch rib on the stability of the overall arch bridge and gives the rational tilting angle of the arch rib, using the finite element method
摘要以重慶菜園壩長江大橋為例，利用有限元方法研究提籃拱的拱肋側傾角對全橋穩定性的影響，給出拱肋的合理側傾角。 -
This paper introduces the development and present situation of concrete - filled steel tube arch bridge in the world ; generally analysis the mechanism, construction technology, construction equipment of the job practice ; advance the entire scheme of the long - span concrete - filled steel tube arch rib construction ; at last give the analysis the concrete scheme of the concrete - filled arch rib construction. this paper declares the reference value of the study through the above
本文介紹了國內外大跨度鋼管混凝土拱橋主拱肋施工的發展和現狀；綜合分析了拱橋施工的機理、技術和設備情況；提出了大跨度拱橋主拱肋施工的完整解決方案，最後通過具體橋梁施工方案的設計分析，說明了本項研究成果的現實參考價值。 -
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。 -
Then, a thorough discussion and sum ? p about the main construction process of cfst tied ? rch bridge without wind bracing is presented in the paper in association with the construction practice of the bridge. in addition, the author put emphasis on the static calculation of two point integral hoisting construction method in single cfst arch rib. futhermore, the stabilization of arch rib in construction and service stage are analyzed detailedly
本文結合該大橋的施工實踐，對無風撐鋼管混凝土系桿拱橋的主要工藝施工流程進行了全面論述和總結，並重點對單片鋼管拱肋兩點整體吊裝的結構受力進行了靜力計算及對拱肋在施工和運營階段的穩定進行了分析。 -
The curve of arch rib, rib section bending, splice of rib sections, seperator of tube, bracing plates, bracing system, meeting of arch, concrete pumping, hangers, tie - rods, the tower of the cable crane and the guy ropes, technical specifications of cfst arch bridge are discussed
對鋼管混凝土拱橋的拱軸線選用、鋼管節段彎制、節段拼接、管內分隔倉、綴板設計、聯結繫系統、合龍設計及其細節、管內混凝土的泵送、吊桿、系桿、纜索吊機與扣索塔架、技術規范等12個問題進行了探討。 -
On basis of the character of the structure at the stage of construction, the stress balanced method was developed to decided the forces of cables and the stresses of the arch rib sections, which is according to the normal stress controlling conditions on the top and bottom of arch rib section and considering the influence matrix
針對這一受力特點，本文根據拱肋截面上、下緣應力平衡條件及影響矩陣的概念，發展了應力平衡法，用以確定拉索的合理索力，從而使拱助結構受力合理並具有理想的線形。 -
Asymmetric construction of steel pipe concrete arch rib tied arch bridge
鋼管混凝土拱肋系桿拱橋不對稱施工 -
Detection of arch rib concrete density of a concrete - filled steel pipe arch bridge
鋼管混凝土拱橋拱肋混凝土密實性檢測 -
Construction technique of back pouring of tie rod arch bridge arch rib steel pipe concrete
鋼管混凝土系桿拱橋拱肋混凝土倒注施工技術 -
Arch rib is the key point during the process of the long - span concrete - filled steel tube arch bridge construction
主拱肋施工是大跨度鋼管混凝土拱橋施工的關鍵環節。 -
It is a top load bridge with a clear span of 288m, which is maximum one of the same structural system in asia. the main arch rib uses 8 steel tube of 920mm joined by web members and transverse truss to form a space truss. the soldier piles on the arch are made of bent frame to make the shape both artistic and novel
梅溪河大橋為一凈跨達288米的上承式鋼管混凝土拱橋，是目前亞洲同類橋型中跨度最大的橋梁，其主拱肋採用8根920mm的鋼管，通過腹桿及平聯形成鋼管混凝土空間桁架，拱上立柱亦採用鋼管混凝土排架，造型新穎美觀。 -
The minimum shear resistance of beams in the paper is close to the one in the code for design of concrete structures " gb50010 - 2002 '. according to the actual project, the destroy of 448 kinds of beams are analyzed by computer by taking account of the effective coefficient " " of the strength of concrete confined by hoops, the relationship with the section property of beams, the critical point of the arch - rib failure transiting to the shear - compression failure which is advanced in the anti - theory, and the contribution to the beam ' s shear resistance of the concrete in the shear - compression zone
引用箍筋約束混凝土的有效系數，利用其與梁截面特性的關系並結合理論分析中提出的梁剪壓破壞與斜壓破壞的分界點，同時考慮了剪壓區混凝土的抗剪貢獻，從工程實際出發，編程擬算了448種梁構件的破壞情況，計算結果表明，梁發生在剪壓破壞范圍內的最大抗剪承載力值比混凝土結構設計規范gb50010 - 2002值略高。 -
The paper puts great emphasis on studying the mechanical performance and the carrying capacity of concrete - filled steel tubular ( cfst ), verifies the cyclo - hoop effect which steel tubular has exert to the concrete in cfst through the tridimensional finite element analysis of the entity of the arch rib, and proves that the cyclo - hoop effect is utilized to increase the axial compression cfst member carrying capacity
本文著重研究了鋼管混凝土結構的力學性能及承載能力，通過對拱肋實體所作的三維有限元分析，驗證了鋼管混凝土拱橋中鋼管對混凝土的環箍效應，證明了由於環箍效應的存在，使內填式鋼管混凝土軸壓承載力大大提高。 -
The paper build a plane model of the whole bridge based on the fem, and analyze the internal force and structural displacement changes in every damage circumstance. the data reflect that the damages in arch rib in the tip will make internal force of some sections increased, accordingly the stability and the durability of the structure reduce ; the damages in the arch foot will change the structure system ; and the displacements of abutments will develop great accessional internal force, and deform the main arch and even crack, accordingly change the system of the structure
論文建立了全橋的平面有限元模型，分析了在各種病害情況下全橋的內力及結構位移的變化，計算數據反映了，拱頂拱肋損傷會造成某些截面的內力增大，結構的穩定性和耐久性降低；拱腳損傷可能引起結構體系改變；墩臺位移會使上部結構產生較大的附加內力，使拱圈變形甚至於開裂，從而導致結構的受力體系發生改變等。 -
4 ) the lateral elastic stability of the arch rib with 3 - dimention fem program is analyzed, some influence factors such as suspender, arch rib and wind brace etc. are comprehended. the results may ensure the construction and be useful to designers
採用空間有限元程序分析拱肋的彈性穩定性，了解拱肋、風撐、吊桿等因素對穩定性的影響程度，以指導設計並確保施工安全可靠。 -
Parametric study indicates that steel thickness has small influence on the temperature field of cfst arch rib during construction, while diameter of tube has great influence. the thermal conductive coefficient of concrete has some influence on the temperature field ; but for the concrete with same aggregate, the coefficient varies in small range, so its influence is limited
應用通用程序對混凝土硬化過程中截面溫度場的分析表明:鋼管壁厚影響較小，而管徑的影響較大;混凝土導熱系數對截面溫度場有一定的影響，但對于同一種骨料的混凝土，其影響不大。
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