整體式拱 的英文怎麼說
中文拼音 [zhěngtǐshìgǒng]
整體式拱
英文
monolithic arch-
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。On the contents of two sides abovementined, this paper attempts to do some initial researches from three angles as follows : 1, the analyses of anti - seismic features on longitudinal direction of the aqueduct l ) the seismic longitudinal effects are small. the vibrant characters are decided from the structure integration and rigidness of piers and main arch - ring of the aqueduct, so the following measures should be taken in order to weaken and isolate seismic influence : properly broadening the section sizes and adopting the high class concrete, lowering the height and barycenter of building, setting hoop steel bars so as to increase the plasticity of the concrete which can absorb the seismic energy and prevent the damages due to stress centralization on the linkages and changing place
本文試圖就上述的這兩大方面的內容,從以下三個角度進行了初步研究: 1 、縱槽向抗震性能分析1 )湯峪河吊桿拱支承結構的縱槽向地震效應較小;吊桿式拱架結構動力特性取決于槽墩和主拱圈的剛度,以及結構的整體性,故適當加大構件截面尺寸或提高砼標號,盡量降低結構的建築高度和重心,在構件連接和變截面處增設梗脅,按照約束混凝土的要求來加強箍筋的配置,增加砼的延性,以克服地震時構件連接和變截面處的應力集中造成的坡壞,並吸收大量的地震能量,從而起到隔震,減震的效果。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。Based on the discuss of the geologic environment of the high slope of spandrel groove jinping i hydroelectric power station. and the engineering geological conditions of rock mass are carefully studied in the paper. the modified csmr are adopted to perform the classification of the slope rock mass, the results of which are combined with the macroscopic stability of the high slope. on the basis of these, the methods of geological diagnosis and the finite element analysis are applied to analyze and compute the overall stability of the high slope
本文在闡明錦屏一級水電站壩區巖體的形成和演化特徵的基礎上,詳細研究了拱肩槽高邊坡巖體的結構特徵及岸坡巖體淺表生改造特徵,建立了岸坡巖體淺表生改造與岸坡演化模式,分析研究了巖體的物理力學性質,採用修正的csmr法對拱肩槽高邊坡的巖體質量進行分級研究,在此上基礎之上,採用地質分析判斷和有限元分析等方法,對高邊坡整體穩定性進行了系統分析、計算與評價;應用塊體理論對高邊坡的局部穩定性進行了分析計算,確定局部不穩定塊體的規模、出露范圍,從而對拱肩槽高邊坡的局部穩定性有了系統全面的認識和了解。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。In this thesis, some work has been done : fisrtly, based on the thorough investigation of the mechanism project, combining concept diagram, the literal description and the formula analysis together for programing motion of the robot ; secondly, according to soil mechanics principle and pressuremeter theories, the model which reflect the interaction force between robot and soil are founded ; thirdly, proceed the analysis and solution ; using virtual prototyping software - adams to optimize the mechanism model and analyze the mechanics ; furthermore compared the analysis calculation result of the above both side, we verify the possibility that the robot dig hole and move in soil ; finally, construction model is consummated based on the optimized result, the mechanism motion and the simulation animation of whole harmonious motion is fulfilled by three dimension simulation software - 3dmax
論文的主要工作有:首先,在對機構方案進行了深入研究的基礎上,以概念圖標表示、文字描述和公式分析相結合的研究方法對機器人進行了運動規劃;其次,根據土力學原理和旁壓理論建立了機器人在土質環境下的受力模型並進行了分析求解;然後,藉助于虛擬樣機軟體adams對機構模型進行優化和力學分析;除此之外,通過對上述兩方面分析計算結果的比較,驗證了該機器人在土質環境下拱洞和蠕動爬行的可行性;最後,在優化結果基礎上進一步完善了結構模型,通過三維模擬軟體3dmax實現了機構運動和整體協調運動動畫的模擬。During the construction of the concrete lining for the diversion tunnel of xiaowan hydropower station, the concrete linings for the sides and the crown of the tunnel are simultaneously placed by the integral steel shuttering trolley with the greatly shortened construction progress
摘要小灣水電站工程在導流洞混凝土襯砌施工中,邊頂拱混凝土採用整體式鋼模臺車一次襯砌成形,大幅提高了施工進度。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。Steel structure of light - weight buildings with gabled frames is a widely used steel structural style in china at present. this paper starts with the deficiency of the specificaion in calculating the effective length factors of gable portal frames. when the gable portal frame subjected to the vertical uniform loading, it conducts the arch effect ? 1. rafter axial force is large when the slope of rafter is big
門式剛架輕型房屋鋼結構體系是目前廣泛應用的一種結構形式,本文從規范中門式剛架柱的計算長度系數取值的不足出發,針對山形門式剛架在豎向均布荷載作用下產生的拱效應? ? 1 、斜梁傾角較大時產生較大的梁內軸力; 2 、產生跨變效應; 3 、高跨比較小的山形門式剛架會發生躍越失穩,採用整體分析的方法對山形門式剛架的穩定進行了分析。Based on theory of big flexibility defective close columnar shell, use adding partition board to resolve the partial buckling problem in partially cfst arch bridge ' s hollow steel tube segment. the formula of how to confirm the space between partition boards was deduced to content whole and partial buckling
在大撓度有缺陷閉合圓柱殼體局部穩定理論基礎上,提出採用增設橫隔的辦法以解決部分灌注鋼管混凝土拱橋中空心鋼管段的局部穩定問題,並導出了在同時滿足鋼管整體和局部穩定性的前提下,需增設橫隔的間距的公式。At last, on the basis of the linear finite element model, the effect of different factors such as the stiffness of the arch rib, the arrangement form and the arrangement position of the lateral brace, the sloping angle of arch ribs, ratio of the width to the span, the form of the hangers, the stiffness of bridge decks, cables etc is discussed
最後,本文還通過有限元模型的分析,就拱肋自身剛度、橫撐的布置形式和布置位置、拱肋內傾角、寬跨比、吊桿形式、橋面剛度、斜拉索等方面對該橋的整體穩定性的影響展開討論和研究。分享友人