靜定梁 的英文怎麼說
中文拼音 [jìngdìngliáng]
靜定梁
英文
statically determinate beam-
Directed against the problem on confirming vertical bearing capacity of large diameter cast - in - place pile in the west of coteau area of yunnan province, the paper, analyses the influence degree of the variety of soil physics and mechanics property in area geology condition on bearing capacity of pile foundation, through 5 piles " loading test ; the influence degree of construction technics on bearing capacity of pile foundation under the influence of every exterior factors ; the influence degree of grouting injection around the pile shaft on bearing capacity of pile foundation
本文針對滇西山區大直徑灌注樁豎向承載力確定存在的問題，進行了5根試樁的靜載荷試驗，分析了區域地質條件下土的物理、力學性質的變化對橋梁樁基承載力的影響程度；地下水對樁承載力的影響程度；各種外部因素影響下，樁的施工工藝對樁承載力的影響程度；通過在樁體周圍土中注漿對樁承載力的影響程度。The classical frequency - domain theory forms a basis of bridge vibration analysis, however such method has some limitations. some literatures show that the time - domain analysis method has advantages for vibration analysis. because of the research on time - domain vibration analysis developed only in recent years and the theory is n ' t perfect enough, it needs to be made further investigation
經典的簡化靜力法存在一定的局限性；反應譜法為中、小跨橋梁的抗震設計提供了廣泛的應用，但對解決大跨度橋梁的線性與非線性問題存在明顯不足；時程分析法由於該領域的研究起步較晚，目前的理論和方法還不甚成熟，有待于進一步深入研究。Optimal plastic design of statically indeterminate beams
超靜定梁的最優塑性設計Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。The finite element methods of composite cables, composite laminated plates, composite beams, composite stiffened plates, composite sandwich plates, composite shells and textile composite structures are discussed. these theories lay a foundation for the finite element method of the analysis of the static and the dynamic properties of the composite space structures
並且一一討論了復合材料索、復合材料梁、復合材料板、復合材料加筋板、復合材料夾芯板、復合材料殼以及紡織結構復合材料的有限元分析方法，為對復合材料大跨空間結構體系進行靜力和動力的有限元分析方法奠定了理論基礎。Inner force on strengthening concrete statically indeterminate beams prestressed with localized tendons
局部張拉預應力筋加固混凝土超靜定梁的內力計算The hyperstatic problem in a cantilever beam under impact
懸臂梁受沖擊載荷作用形成的超靜定問題Arch dam, which is fastened to the base rock, is a high _ order, hyperstatic, spacial body case structure. it has not only arch function but also girder function, but its main loads are passed to each dam abutment by means of arch function
拱壩是固結于基巖的高次超靜定空間殼體結構，既有拱作用又有梁作用，其主要荷載是通過拱的作用傳到兩岸壩肩。But because of an indeterminate flexible structure with many degree of redundancy, its variant inner force under dead - loading, nonlinear behavior and the correlation between construction method and completed structure, especially incessant conversion of system in construction method, these must bring many complicated change to construction internal force and displacement. these main factors resulting in construction control analysis become more important in the design of cable - stayed bridge
但由於它屬于高次超靜定的柔性結構，恆載內力狀態具有多樣性、結構狀態呈非線性、施工過程與成橋狀態具有相關性，特別是在施工階段結構體系的不斷轉換，必然給橋梁結構帶來較復雜的內力和位移變化，這些特點使得斜拉橋的施工控制分析成為突出的研究課題。Analytic solution for bi - material cantilever beam under thermal and distributed load
單跨超靜定梁在均布荷載作用下的彈性力學解It ' s the first time clearly and systematically to present the concepts of restraint influence coefficient of steel to strain increment, to curvature increment and to deflection increment due to creep which are different each other. theoretical formulae are established, and approximate formulae are also obtained while considering the characteristics of common - used concrete and ambient condition of real bridges in china. so, an approximate restraint influence coefficient method to analyze the effect due to creep and shrinkage in pc bridges is put forward, and the equations to estimate second - force due to creep considering influence of steel in system - transferred continuous pc bridges is also established
本文首次清晰而系統地提出了鋼筋對徐變的不同效應（徐變應變、徐變曲率、徐變上拱）約束影響系數的概念，建立了相應的計算式；結合我國普遍採用的混凝土的徐變特性和橋梁的構造特點及工作中南大學博士學位論文摘要環境特徵，給出了具有較高計算精度的實用計算式;在此基礎上，建立了橋梁徐變效應近似分析的鋼筋約束影響系數法，並推導出了考慮鋼筋影響的超靜定梁徐變次內力的近似計算式，可方便地應用於橋梁研究和設計中。The effects of spans on the static behavior of indeterminate multi - span beams
跨徑比對超靜定連續梁靜力特性的影響This paper analyzes skew support continuous curved t girder bridge and skew support continuous curved box girder bridge that largely applied in practical engineers, adopting statically indeterminate simple - supported curved beam as basic structure
論文以超靜定簡支曲線梁作為基本體系，對在實際工程中廣泛應用的斜支承連續曲線t梁橋和斜支承連續曲線箱梁橋進行分析。For example, the large friction loss of prestressed tendons, complex anchorage bearing joint, the problem of cracks in large area structure, axial compress of long span continuous beam under prestress. all those hinder its use in long span structure. until now days, the cognition about the behavior of such structure under loads is not enough for the realm of prestressed concrete of all the world
但是，預應力技術應用於大跨連續框架結構，在設計和施工中還存在一些缺點和不足，例如預應力筋的摩擦損失過大，節點錨固區設計和構造復雜、大面積結構的裂縫控制問題、大跨框架梁在預應力作用下的軸向縮短等，這些都是困擾大跨預應力混凝土框架結構應用的突出問題，特別是目前對于預應力混凝土超靜定結構的受力性能，國內外預應力界的認識尚不夠全面。According to different transverse difference in temperature and lengthways difference in temperature, the paper gave the method of computing temperature effect including : 1 ) the stress ot1 caused by nonlinear difference in temperature. 2 ) the constrain stress o t2 in undetermined structures by equivalent difference in temperature. 3 ) the constrain stress ot3 caused in undetermined structures by even difference in temperature tm
針對具有不同性質的橫向溫差和縱向溫差，本文分別提出了預應力結構的溫度效應的計算方法，包括： 1 ）非線性溫差引起的自約束應力_ （ t1 ） ； 2 ）等效線性溫差引起的超靜定結構的約束太原理工大學碩士學位論文應力民3 ）均勻溫差tw引起超靜定結構中的約束應力4 4 ）均勻溫差tm引起梁的軸向變形受到柱的側向約束，與預應力筋的溫度變形之間的差異引起的預應力的變化。Hence, on the basis of research achievements of other countries, the mechanical characteristics of the statically indeterminate composite bridge is analyzed in this thesis by utilizing the large universal finite element software, msc / nastran and msc / patran, to promote the application and development of the composite bridge in china
為此，本文在總結各國研究成果的基礎上，利用大型通用結構分析程序msc nastran和msc patran ，對超靜定組合梁橋的受力特性進行了分析研究，目的是推動這一結構形式在中國的應用和發展。Topics covered include : static equilibrium, force resultants, support conditions, analysis of determinate planar structures ( beams, trusses, frames ), stresses and strains in structural elements, states of stress ( shear, bending, torsion ), statically indeterminate systems, displacements and deformations, introduction to matrix methods, elastic stability, and approximate methods
主題包含了：靜力平衡、合力、支承條件、靜定平面結構（梁、桁架、構架）分析，結構構件之應力與應變，應力狀態（剪力、彎矩、扭力） ，靜不定系統，變位與變形，矩陣方法介紹，彈性穩定及近似值解法。However, the pre - stressed anchor cables on the upper part of the piles make the whole stabilizing system like freely supported beams or some other h yperstatic structures. with the number of restraints increasing, it makes much easier to control the displacement of the piles and to reduce the bending moments and shearing forces along the piles to a certain extent
增加預應力錨索后，整個結構體系接近簡支梁或其它超靜定結構，隨著約束的增加樁身的位移控制變得容易許多，同時樁身內力值也在一定程度上減少較多。Statically indeterminate beam
靜不定梁Because continuous rigid frame bridge is a kind of multi - degree indeterminate structure, large internal force will be produced in the bridge structure due to the temperature effect. therefore, it is necessary to design the flexible pier with small lateral displacement rigidity, which calls for the decision of a reasonable ratio of beam bending rigidity to pier lateral displacement rigidity
此外，連續剛構橋是高次超靜定結構，溫度變化將引起較大的結構內力，需要設計抗推剛度較小的柔性墩以減小溫度內力，合理確定主梁與墩的剛度比值是設計的關鍵。分享友人