拱形基礎 的英文怎麼說
中文拼音 [gǒngxíngjīchǔ]
拱形基礎
英文
arch foundation-
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。In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, at the same time, the effecting parameter has collected. the paper build the ann model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ann model and introducing research process of the improved bnn. according to them, ann is applied in the construction control of prestressed concrete continuous bridge
本文以大橋成橋線形滿足設計要求和成橋內力控制在設計容許范圍內為目的，運用現代控制理論的思想，引用神經網路基本原理，詳細介紹bp神經網路的研究過程，從而建立預應力混凝土連續梁橋施工預拱度的神經網路模型，並詳細討論了模型的神經網路結點信息的提取，在工程實例的基礎上進行了數值計武漢理工大學碩士學位論文算，數值表明，將神經網路應用於預應力混凝土連續梁橋施工控制，獲得了滿意的結果，在預應力混凝土連續梁橋施工控制技術研究方面，具有方便有效、精度高的優點，具有良好的應用前景。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 methods of modificatory lattice cross - section and equivalent circular cfst cross - section for calculating the maximum load of dumbbell cfst columns with eccentric loading were presented in this paper. the ultimate strength of 14 specimens were calculated by the two methods were close to experimental results. finally, the two methods were used to calculate the ultimate strength of arch bridge of zhengzhou yellow river highway
對現有鋼管混凝土啞鈴形構件極限承載力的計算方法進行了分析，在此基礎上，提出了計算鋼管混凝土啞鈴形構件的偏壓極限承載力的修正的格構式截面法和等效截面法，兩種演算法的計算結果與試驗值均吻合較好，最後用這兩種演算法計算了鄭州黃河公路二橋拱肋的極限承載力。This paper presents and studies a new type of bridge - rc - masonry combination arch bridge based on the development of studying the high strength masonry
本文在高強度石砌體研究發展的基礎上提出和研究了一種新的橋梁形式? rc -石砌體組合拱橋。Thea, aimed at different situation and with the combination of the compatibility truss theory and limited balance principle and the truss - strut model, the shear strengthening theoretic formula for the beams under concentrated load is put forward. ground on the test data and real engineering, the simple design formula is afforded
然後，作者以桁架一拱模型和軟化桁架理論為基礎，綜合極限平衡原理，考慮了拉應變存在條件下混凝土抗壓強度的軟化，針對不同加固情況推導了集中荷載作用下的矩形截面約束梁的抗剪加固理論公式。Then on the basis of calculating result from the prefigurative deviation control structure calculation, " rational data forecast processing about error adjust in prefigurative deviation control was made by the prefigurative theory of bp neural network and corresponding program and software matlab6. 1. at last via the data comparison with the practical survey data draw a conclusion : it is feasible for the construction prefigurative deviation control and error adjust used in pc rigid frame bridges to use the calculation model and program brought forward in this paper
同時，在對預應力混凝土剛構橋施工過程線形預拱度控制的結構計算分析的基礎上，利用bp神經網路的預測理論和相應的程序及軟體包matlab6 . 1對預拱度控制中的誤差調整進行了較好的預測處理，通過與實際施工數據及成橋后測量結果作分析比較，得到結論：運用本論文的計算模型和程序對預應力混凝土剛構橋預拱度控制過程進武漢理工大學碩士學位論文行結構分析和誤差調整處理是可行。This paper taking zigui longtanghe bridge in hubei province as a project background, studies about the unified construction technology of tower and buckle frame in erection with cableway used in steel pipe - encased concrete arch bridge constructioa based on the analysis of the construction property of long span steel pipe - encased concrete arch bridge, this paper raises the general scheme and basic structure of unified construction, analyzes the mechanical behavior of unified structure of construction statue, mainly discusses the strength, stiflhess and stability of the unified structure
本文以湖北秭歸龍潭河大橋為工程背景，對大跨徑鋼管混凝土拱橋纜索吊裝塔架扣架一體化施工技術進行了研究。論文以大跨徑鋼管混凝土拱橋施工特點分析為基礎，提出了一體化施工的總體方案與基本結構構造，分析了施工狀態一體化結構的力學行為，主要探討了一體化結構的強度、剛度及穩定性，採用動態監控系統確保了一體化結構在橋梁施工過程中的安全可靠性，從而形成一套系統的纜索吊裝施工新技術，並在實橋工程進行了應用，效果良好。A finite element numerical model for arch dam - gravity pier - foundation system was established to evaluate the effect of high gravity piers on the stress, deformation and anti - sliding stability of sizhai arch dam, taking the following factors into account, such as the possible elastoplastic deformation of foundation rocks and the nonlinear interaction between the interfaces of gravity pier - dam foundation, the joint surfaces beneath the right bank, and the interfaces of arch dam - gravity pier
摘要為評價高重力墩對四寨拱壩的應力變形和抗滑安全的影響，建立了拱壩重力墩地基系統的有限元數值模型，其中考慮重力墩基礎、右岸夾層和拱壩重力墩等交界面的非線性相互作用，以及基巖材料的彈塑性變形行為。Abstract : in this paper, a new simple method is put forward to on - line survey and analyse the real - time response of bridges loaded under random vehicles and people. based on linear elastic hypothesis and finite element method, the dynamic whole displacement state and load of the bridge can be obtained through surveying partial displacements, so the problem that load is unknown and difficult to determine when calculating is solved in a sense. this method is adap ted to girder bridge, arch bridge, cable - stayed bridge and suspension bridge. through the instrumentality of ways and means in this treatise, a real - time system to survey and analyse a working bridge can be established
文摘:在線彈性假設基礎上，根據有限元理論和橋梁隨機車輛（行人）荷載的特點，討論並提出了一種通過監測部分位移，計算橋梁其餘位移和橋面荷載的簡化分析方法，解決了橋梁在隨機車輛（行人）荷載作用下的荷載確定問題，建立了動位移和等效節點荷載的有限元列式.該方法為橋梁結構的在線監測和實時分析提供了理論基礎，適用於連續梁橋、拱橋、斜拉橋和懸索橋等橋梁結構形式，具有實際應用價值Focuses are then put on the flexural torsional buckling analysis of mono - symmetry i - section arches. closed form solutions are obtained for arches subjected to uniformly distributed radial load and to equal and opposite end moments. effects of different laying positions and of asymmetry of cross - section on buckling loads are included
在這個基礎上，對單軸對稱工字形截面拱在均勻受壓和均勻彎曲條件下的屈曲問題進行研究，給出臨界荷載的理論解答；分析了工字形截面不同放置形式和截面不對稱性對拱臨界荷載的影響，並與已有的理論進行比較。Abstract : for building a long - span concrete - filled steel - tube ( cfst ) arch bridge with an integrated installation tower, one of the key technologies is to control the arch rib alignment of the bridge. based on the theoretical analysis and the measuring results, the designed arch rib alignment of a being built bridge can be guaranteed quality by adjusting the length of the cables on - line. the engineering application shows, by using the on - line adjusting cable technology, that it is economical and in safety for building a long - span cfst arch bridge
文摘:在大跨度鋼管混凝土拱橋塔架/扣架一體化纜索吊裝施工中，其關鍵技術之一是主拱線形控制.在理論分析和現場測試的基礎上，動態調整扣索長度，可保證鋼管拱肋的設計線形.工程實踐表明：將扣索動態調整技術應用於大跨度鋼管混凝土拱橋的吊裝施工中，可降低工程造價，保證施工質量This demonstrates the validity and accuracy of the proposed method. meanwhile the effects of loading modes and steel ratio on the behavior of the cfst arches are numerically analyzed and discussed
同時，針對計算結果進行了分析，得出了鋼管混凝土拱橋受力變形的一些特性，並提出對設計和研究有益的建議，在此基礎上還分析了加載方式和含鋼率對鋼管混凝土拱的影響。分享友人