拱形體系 的英文怎麼說
中文拼音 [gǒngxíngtǐxì]
拱形體系
英文
dome system-
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。In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered
論文根據熱傳導理論、彈性徐變理論及有限元理論，用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析，較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律，在分析中按照混凝土拱壩施工過程，考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。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。Presently our products can be divided into three series : small standard tent, framework tent, and tensile tent, in which small standard tent can still be divided into three types : cable - column tent, internal lifting tent and external suspending tent, framework tent can be divided into herring bone framework tent and arch framework tent, and tensile tent can be divided into single row pole and double rows pole tent
目前我們的產品按結構形式分可分為小型單體蓬房框架組合蓬房張拉結構篷房三大系列。其中小型單體蓬房又分為索柱結構蓬房內頂結構篷房外掛結構蓬房三大類型框架組合蓬房分為人字形框架蓬房和曲拱形框架蓬房張拉結構篷房又分為單排柱和雙排柱張拉蓬房。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。Not only limited in the hybridizing of the conventional girder and arch, the hybrid system arch bridges nowadays have had new hybridizing of arches with other types of structures
組合體系拱橋已不僅限於傳統的梁拱組合，還出現了拱與各種結構形式的新型組合。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。On the basis of simplified calculation model presented by doctor wangxiaoping, some finite element models are set up. by finite element model program sap93, an analysis of static models of 18m - span and 30m - span w666 acmr in different supporting conditions is made. also a study on the relation between definite support displacement, which reflect variational stiffness of substructure represented by steel column or reinforced concrete column, and load - carrying capacity mechanical performance is made too
本文以w666金屬拱型波紋屋頂為研究對象，沿用王小平博士的簡化計算模型，對18m 、 30m跨波紋拱兩端不同支座形式（鉸支、固支和彈性支座）分別利用有限元計算程序sap93進行計算分析，研究波紋拱在不同跨度，不同支座形式下，不同外荷載作用時對該結構受力性能及穩定承載力的影響，同時分析下部支承鋼柱、鋼筋混凝土柱的剛度變化體現為允許支座位移的大小與結構受力性能及穩定承載力之間的關系。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。With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure
通過分析比較，論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點，並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序，以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究，得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論；採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析，重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用，得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論；通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究，得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。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。According to the bearing load institute of mainly bearing component, the basic form of bridge can be classified into beam bridge, arch bridge, rigid frame bridge, suspension bridge and assembly system bridge etc. also according to the location of trip lane, it can be classified into top travel bridge, middle travel bridge and lower travel bridge
橋梁的基本形式按橋梁主要承重構件的受力情況可分為：梁橋、拱橋、剛架橋、懸索橋、組合體系橋等；按行車道的位置又可分為上承式橋、中承式橋和下承式橋。The visualization theory and parameterization technique for fem, and secondary developing technique for ansys were studied. the parameterization principle for fem modeling of arch dam and the implementation technique were introduced. by fully using of the powerful graphic functions of autocad and of the secondary developing techniques provided in ansys, such as uidl, apdl etc, a fem simulation analysis system of arch dam based on ansys was developed, by means of which arch dams on complex foundation can be modeled and analyzed conveniently
首先，研究了有限元中的可視化理論、參數化技術和ansys軟體的二次開發技術，介紹了拱壩有限元可視化建模的參數化原理和實施技術，以ansys為平臺，並結合autocad軟體強大的圖形處理功能，利用ansys提供的uidl 、 apdl等二次開發技術，開發了具有水工特色的拱壩模擬分析系統，利用它可較方便地對復雜地基上的拱壩進行有限元建模和模擬分析。Summarizing and analyzing the key achievement and the significance of the current research on temperature effect on steel tube concrete arch bridge the paper points out that a further relevant study should be undertaken, and attention should be paid to the respects such as simple quantum of base temperature, arch rib temperature field under complicated conditions, arch rib temperature of various styles for truss members and the nonlinearity temperature difference of the system etc
摘要總結分析當前鋼管混凝土拱橋溫度效應的研究意義及主要研究成果，對于鋼管混凝土拱橋溫度效應進一步的研究，建議應注意基準溫度的簡單定量、復雜條件下的拱肋截面溫度場、各種截面形式的拱肋溫度和體系非線性溫差等幾個方面的間題。分享友人