橫向拱 的英文怎麼說
中文拼音 [héngxiànggǒng]
橫向拱
英文
arch band-
Arcuated built - up system bridges are one of bridge structural styles, which are used extensively at present. on one hand, because of complexity and diversity of this kind of structure, current engineering experiences have not satisfied design requirements no longer. on the other hand, towards this kind of structural system traditional methods simplify complicated structures into planar structures, these methods neglect apparently spatial action among members, especially those primary bearing load members along lateral direction of bridges
拱式組合體系橋梁是目前廣泛採用的一種橋梁結構形式，一方面由於拱式組合體系橋梁結構的復雜性和多樣性，現有的工程經驗已不能滿足設計需求；另一方面對于這種結構體系過去的傳統做法是將復雜結構簡化成平面結構，這種做法顯然忽略了構件之間的空間作用，尤其是沿橋橫向存在主要承力構件。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。2 ) the structure elements should be laid out symmetrically and uniformly when designing steeve - arch structure, what ' s more, the reasonable selection of section geometric size near the arch foots of first beams is paid attention to and the arrangement difficulties of steel bar due to the big eccentric pressures 2, the analyses of anti - seismic features on transverse direction of the aqueduct l ) the method of adjusting the elements " mass can be harnessed in order to even the layout of seismic loads
2 ）設計吊桿式拱架支承結構時，各部分構件應當均勻對稱布置。另外，還應注意頭道梁拱腳附近截面的尺寸擬定，克服地震內力造成的大偏心受壓狀態給結構配筋設計增加的困難。 2 、橫槽向抗震性能分析1 ）可利用調整構件質量的方法，使得結構的某些構件的地震荷載分佈均勻一些。It also has important reference value for the similar construction. by the safety and seismic evaluation of this aqueduct bridge, it has shown that ( 1 ) besides the structure of this aqueduct bridge was basically unharmed without some flake of concrete cover and revealing stirrup, its intensity basically reached the need of primary design. ( 2 ) from the side of carrying capacity, rib arch could satisfy the needs under the action of wind and earthquake, but some individual frame crossbeams and most rib arch tie beams could n ' t satisfy the need
通過對東滑峪渡槽進行安全性能和抗震性能評估后表明： （ 1 ）渡槽除肋拱頂面有保護層剝落、箍筋外露，結構基本完好，其強度基本達到西安理工大學工程碩士專業學位論文原設計的強度要求； （ 2 ）從承載力方面看，在風荷載、地震作用下，肋拱基本滿足要求，個別排架橫梁不滿足要求，肋拱連系梁普遍不滿足要求；計入水平橫槽向地震作用的工況為設計控制工況。This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure
本文以軍用機場地面單機掩蔽庫工程建設為工程背景，首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況，忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用，首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程，建立了有限元計算模型，並採用三角函數法，求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應，並與普通殼體進行了比較。On the basis, the effect of different factors such as the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed
此外，採用線彈性方法，就拱的吊桿的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定性的影響展開探討與研究。The software ansys6. 0 is used to analysis the stability of the state after construction of tongwamen bridge, linear method is used in analyzing the finite element model of the bridge, the coeffient of stability of different state after construction is given. on the basis, the effect of different factors such as the arrangement of lateral brace, the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed. the different coefficients of stability of changing these factors are given, so the factors that are vital to the lateral stability of x - type arches are found, and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated
本文應用有限元分析商業軟體ansys6 . 0 ，採用線彈性方法，通過對該橋的空間有限元模型進行穩定性分析，得出其成橋運營階段各種工況下的穩定安全系數。在此基礎上，本文還通過有限元模型分析，就拱的矢跨比、吊桿（立柱）的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定性的影響展開探討與研究。文中給出了各因素變化情況下的穩定安全系數，指出了對鋼管混凝土提籃拱橫向穩定性有顯著影響的因素及其合理變化范圍，並對銅瓦門大橋提高橫向穩定性的措施的經濟合理性進行了分析。Influences of transverse bias of arch axis on the arch ring behavior under static loads
拱軸線橫向偏離對拱圈靜力行為影響A few paces off is an enormous pillar, and another ? seven in all down the length of the hall, supporing in the centre line the springing arches of the double groining
幾步開外有根高大的柱子，接著又一根，再接著又是一根；大廳縱深一共豎著七根大柱，支撐著雙拱屋頂落在橫向正中的拱底石。The set of tectonic cracks on down beam is beneficial to anti - seism along the longitudinal and side long of aqueducts
拱架下弦桿分縫斷開的做法對縱、橫槽向抗震的最終效果是有利的。Calculation of load lateral distribution of spatial girder and arch combination bridge
空間梁拱組合體系橋梁的荷載橫向分佈計算The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large
本文主要包括以下內容：從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式，並將有限元方法應用於剛架拱橋結構溫度應力的計算中，對橋梁結構進行整體溫度應力分析；討論了年溫差和日照溫差引起的橋梁結構的溫度效應，表明年溫差引起的溫度效應較小，而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈；分析比較了橋梁結構各個部位的溫度效應的大小，可知截面越小溫度拉應力越大，受力越不利；並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討，發現在頂板下緣也會出現相當大的溫度拉應力，並且梗腋的存在反而增加了頂板底部的溫度拉應力；還對幾種相近的剛構式橋型的溫度效應進行了分析對比，總結了這些橋型針對溫度效應的優劣，並提出相應的針對性措施。The cfst x - type arches improve the lateral stability by sloping the arc ribs so it is ofen used in the designs of cfst arch bridge with small ratio of the width to the span
鋼管混凝土x型肋拱橋是一種利用拱肋側傾來提高其橫向整體穩定性的橋型，在寬跨比較小的鋼管混凝土拱橋設計中應用較多。The cfst x - type arches improve the lateral stability by sloping the arc ribs, so it is ofen used in the designs of cfst arch bridge with small ratio of the width to the span. tongwamen bridge is a half - through cfst arch bridge, its span is 238m, and the width of its roadway is 10m, so the truss ribs in - plane is sloped into x - shapc to improve its lateral stability. as the cfst x - type arches with longest span all over the country presently, the design of tongwamen bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span
鋼管混凝土x型肋拱橋是一種利用拱肋側傾來提高其橫向整體穩定性的橋型，在寬跨比較小的鋼管混凝土拱橋設計中應用較多。浙江銅瓦門大橋是一座中承式鋼管混凝土無鉸拱橋，跨徑238m ，橋寬10m ，拱肋為平面桁架形式，所以採用了x型拱肋以提高其橫向穩定性。作為國內目前跨徑最大的鋼管混凝土提籃拱橋，該橋的建成對我國今後長大跨徑小寬跨比鋼管混凝土拱橋採用提籃拱具有借鑒意義。Wan zhou yangtze river bridge is the establishing large span steel truss bridge now, and the property of it is the lower stiffness of the main girder. when the speed is high, the analyses and the vibration control of vehicles and bridge are very important, especially the dynamic lateral response of the system
萬州長江大橋是目前在建的大跨度鋼桁架拱橋，其特點是主梁結構剛度較小，在高速行車速度下，對起車橋耦合振動分析及其控制尤其是車橋系統橫向動力響應研究則尤為重要。Yesanhe bridge is a half - through cfst arch bridges, the design of yesanhe bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span
野三河大橋是一座非對稱中承式鋼管混凝土無鉸拱橋，拱肋為平面桁架形式，所以採用了x型拱肋以提高其橫向穩定性。Nonlinear seismic analysis of arch dams with contraction joint reinforcements
拱壩橫向配筋的非線性地震反應分析模型In this paper, the studied works are list as follows : 1 ) the theory of elastically supported continuous beam method is brought forward to transfer spatial continuous beam - arch composite bridges into plane structure. the plane finite element method is used to calculate inner forces and deflections of each beam and arch. at the same time, spatial finite element model is created for contrast
研究提出用彈性支承連續梁法荷載橫向分佈理論計算空間梁拱組合式橋梁的荷載橫向分佈，從而將空間問題轉化為平面計算問題，進而用平面桿系有限元理論分析求解梁拱拱片各桿件截面的內力和撓度，並用空間有限元理論和通用程序建立空間模型進行對比計算。The studying results show that three types of surrounding rockmass pressure were put out, they are tension collapse, extrusion press slide types and gravity fall surrounding rockmass pressure, and then calculating formula have been discussed
研究認為，低地應力區地下洞室圍巖壓力可分為拱頂橫向拉張塌落型、側壁切向擠壓滑落型和洞周自重掉落石塊型三種破壞類型產生的圍巖壓力，並討論了低地應力區地下洞室圍巖壓力的計算公式。Stability coefficient of large span cfst arch bridge is less than that of considering the geometrical nonlinearity, its numerical value decreases approximate 12 % ; stability coefficient of large span cfst arch bridge taking into account geometrical nonlinearity and material nonlinearity is smallest, and the numerical value is about 45 % of elastic stability coefficient
拱肋的最大橫向位移為1 . 126米，說明對在該橋型運營實行監控檢測時，可以把雙重非線性分析所得的最大位移作為參考依據。幾何非線性對大跨度鋼管混凝土拱橋的穩定性影響較小。考慮幾何非線性后，穩定系數僅下降了12 。分享友人