arch tube 中文意思是什麼

arch tube 解釋
拱管
  • arch : n 1 【建築】弓架結構;拱廊;拱門;弓形門;穹窿,拱洞,拱頂。2 弓形,半圓形。vi 1 【建築】作(成)...
  • tube : n 1 管,筒;顏料管。2 管狀地下隧道;〈口語〉(倫敦的)地下鐵道。3 【炮】炮身;【汽鍋】鍋管;【解...
  1. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討,在合理的假設前提下,採用「齡期調整的有效模量法」得到的混凝土的本構關系,推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式,並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。
  2. Calculation of the temporary stays in the erection of steel tube arch ribs by suspender method

    某鋼管混凝土拱橋拱肋懸索吊裝施工中的扣索計算
  3. 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。
  4. 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。
  5. Presented in this thesis is a model test of the arch ribs segment with concrete filled steel tube ( cfst ) of maocaojie bridge, which is located in the yiyang of the hunan province and provides the engineering base for the test

    本文以湖南省益陽茅草街大橋為工程背景,進行了茅草街大橋主拱圈鋼管混凝土拱肋拱頂1 : 5節段模型試驗。
  6. Construction monitring for steel tube concrete arch bridge

    鋼管混凝土系桿拱橋施工監測
  7. 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。
  8. 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。
  9. Scaffolding construction of concrete filled steel tube arch bridge with no wind - support system

    無風撐鋼管混凝土拱肋的支架施工
  10. The line shape control of the arch prefabricating and hoisting of long span arch bridge with concrete filled steel tube

    大跨度鋼管砼拱橋拱肋預制與吊裝的線形控制
  11. 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。
  12. 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。
  13. The cable - supported concrete - filled steel tube arch bridge is a new bridge type developed on the basis of the truss type hybrid arch bridge by combining various techniques and making full advantages of the concrete - filled steel tube arch bridge, truss arch bridge and cable - stayed bridge

    摘要鋼管混凝土拉索拱橋是在「桁式組合拱橋」的基礎上將鋼管混凝土拱橋、桁架拱橋、斜拉橋的技術特點綜合起來,揚長避短,而構思出的一種新橋型。
  14. Taking the 4th binhai road bridge in the development zone of dalian city as an example, this paper presents the key points of the overall design, plane and spatial static analysis, stability analysis and construction technology of long span half - through concrete filled steel tube arch bridge

    摘要以大連市開發區濱海路四號橋為例,介紹大跨度中承式鋼管混凝土拱橋的總體設計、平面靜力分析、空間靜力分析、穩定分析和施工工藝的要點。
  15. Abstract : the structural characteristics of a three - span continuous half - through, self - anchored, concrete - filled steel - tube arch bridge are introduced

    文摘:介紹了三跨連續自錨中承式鋼管混凝土拱橋特點,闡述了橋型布置原則及主要結構尺寸的擬定。
  16. Concrete filled steel tube ( cfst ) arch bridge is a new type of bridge which is widely applied in china recently, and it is a relatively ideal structural form for long span arch bridge. with the background of the practice of liantuo bridge, in the view of point of feasible in technology and reasonable in economy, the key techniques and difficulties in the construction of cfst arch bridge are analyzed and discussed in the thesis. the disadvantages in the current design and construction and the improvement method are also indicated

    本文以蓮沱特大橋工程實踐為背景,以主拱施工研究為主線,對鋼管混凝土拱橋重難點施工工藝,從技術上可行、經濟上合理的角度出發,詳細的進行了分析闡述,並指出了設計施工中存在的不足和今後需改進的方向;通過對鋼管混凝土拱橋施工過程中內力的計算,確定了拱肋施工最不利荷載工況下加載重量、壓重順序和張拉臨時預應力束等一系列施工措施,並將計算結果與現場監測觀測數據進行了比較分析,為今後進一步研究這類結構提供了參考。
  17. In this paper, firstly, the recent condition and perspective, the types of structures, construction technology, the design method of the fast developing concrete - filled steel tube arch bridge are introduced, and the mechanics performance and uniform theory and the application in practical engineering of cfst

    本文首先簡單介紹了現在發展迅猛的鋼管混凝土桁架拱橋的發展現狀和前景、結構形式、鋼管混凝土的力學性能和統一理論、施工技術和設計方法以及在工程實際中的應用,然後介紹作者的研究工作。
  18. Research and application of tensioning techniques for horizontal tie members of concrete - filled steel tube arch bridge, saigon south avenue, vietnam

    越南南西貢大道鋼管混凝土拱橋水平系桿張拉技術的研究及應用
  19. The theory and method in detecting quality defect of concrete filled steel tube arch bridge by ultrasonic wave are summarized, and the parameter character and waveform character of ultrasonic wave through concrete filled tube specimen with regular defects are studied in detail

    摘要綜述了超聲法檢測鋼管混凝土拱橋質量缺陷的理論和方法,重點研究超聲波通過鋼管混凝土試件常規缺陷狀況下的參數特徵和波形特徵。
  20. In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result

    本文首先將拱肋劃分為一系列的直梁單元,運用虛功原理和修正newton - raphan數值迭代演算法的基本原理準確推導了拱肋直梁單元的非線性切線剛度矩陣;在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程,提高了計算精度;再根據得到的切線剛度矩陣採用荷載增量步內修正newton - raphan迭代的增量迭代法進行了求解。
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