梁式結構體系 的英文怎麼說
中文拼音 [liángshìjiēgòutǐxì]
梁式結構體系
英文
girder construction system- 梁 : 名詞1 (屋架中架在柱子上的長木) beam 2 (通常也指檁) purlin 3 (橋) bridge4 (物體中間條狀隆起...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 體 : 體構詞成分。
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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Destabilization laws of an arcuated built - up system bridge are provided, nonconservative force of hanger rods and members " bearing force are integrated in order to consider influence of hanger rods towards arch stability
提出了拱式組合體系橋梁的失穩規律,將吊桿非保向力和構件受力結合起來考慮吊桿對拱穩定性的影響。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 study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter
本文首先從梁極限狀態下的變形入手,將塑性鉸區看作純彎段,將塑性鉸以外的區域看作剛體,按照體外預應力筋的形狀不同,分工程中最常見的三種體外結構形式,即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁,研究體外預應力筋變形和梁體的變形間的關系,推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式,並進一步求得梁的極限承載力。Considering special form of the boiler frame, the reconstruction and enforcement method, in addition dynamic analysis are given by particular steps : establishment of the model of boiler steel frame, determination of earthquake loads and distribution form, and anti - side force system for the frame to model and analyze, involving loads on the frame and above it, earthquake loads, damping, sway control installation, hanging bar and plate beam
考慮鍋爐構架鋼結構的特殊形式,研究並提出了電站鍋爐鋼結構改造加固研究方法,及動力分析的具體步驟:建立了鍋爐鋼結構動力分析模型、地震荷載分析方法、建立了鍋爐鋼結構布置型式、及整個鍋爐鋼構架抗側力體系模擬分析方法。具體包括:鋼構架本體及構架上荷載、地震載荷與阻尼系數確定、制晃裝置確定、吊桿與大板梁簡化。Abstract : the system, in the span - by - span construction of brid ge, willexperience three kinds of shifts from the state of simple beam to the continuous state, from overhanging beam to the continuous beam and from few - spans continuous beam to required degree span by span. meanwhile, structural calculatin g graphics and the internal force are changing with the three shifts
文摘:在橋梁工程逐孔施工過程中,體系將發生由簡支梁狀態到連續梁狀態,由懸臂梁到連續梁,由少跨連續梁逐孔延伸到所要求的體系三種轉換,同時結構計算圖式和內力也發生變化。The static analysis of the long span plate - truss composite cable - stayed bridges. first, the cr formation on the geometric non - linear structural analysis is introduced. next, the structural discretization of cable - stayed bridge, the stiffness matrix the formation of nodal force and the simulated construction system are introduced
首先介紹了本文採用的桿系結構幾何非線性問題的分析方法? cr列式法,其次介紹了板桁結合斜拉橋的結構離散及桿單元、梁單元的剛度矩陣以及節點力的形成方法,然後介紹了斜拉橋施工模擬體系的形成。Considering the stiffened plate as a composite system of grillage beams and slab, the superstructure as an equivalent rigidity plate, a semi - analytical and semi - numerical method, which makes use of compatible analysis of force and displacement among beams and slabs and columns and ground, is developed to analyze interaction between stiffened raft foundation and subsoil considering the rigidity of superstructure
摘要將彈性地基上的梁板式矩形筏基視為十字交叉梁與平板組合體系,上部結構剛度簡化為等效剛度板,採用半數值、半解析方法,通過梁、板、柱以及地基之間力與位移平衡協調分析,可得到考慮上部結構剛度時梁板式筏基寫地基共同作用的半數值、平解析解。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 is a thesis about the application of htac technology on furnace and introduces the furnace construction, regenerative combustion system and control system
摘要介紹了高溫空氣燃燒技術在攀鋼軌梁廠加熱爐上的應用,介紹了爐體結構、蓄熱式燃燒系統、控制系統及改造后的效果。The relations between the mode frequency, static characteristic and the framework parameters are studied. a two dimension crossed symmetric cantilever flexure hinge is investigated using finite elements method. the simulation of the mode frequency and the study of the relation between the displacements and the stress indicate that this flexure hinge has good flexibility and linearity between the displacement and the maximum stress
研究了二維復合式懸臂梁柔性鉸鏈模態頻率、靜態特性與鉸鏈結構參數之間的關系;建立了結構參數和力學特性西北工業大學博士論文之間的對應關系;研究了基於復合式懸臂梁柔性鉸鏈的二維十字對稱柔性鉸鏈結構,對其模態頻率以及位移應力特性進行模擬試驗;結果表明此種結構形式的運動對稱性很好;其驅動位移與結構體最大拉壓應力值之間接近線性關系,而且這種結構可以得到100林m以上的運動位移。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。The tapered beam element is used hi the fem. with the fem. the linear static and in - plane stability analysis of the frames are carried out conveniently
本文開發了一套變截面梁單元有限元分析程序,可對變截面門式剛架結構體系進行精確的靜力計算與平面內穩定性分析。Since 1960s, the mechanical strength reliability and structural system reliability, whose main failure modes are fatigue and service life, has achieved a great deal of development and been applied to engineering machine, aeronautical and astronautical engineering, electric apparatus, bridges, ship, civil engineering etc. with the developing of space technology and tendency of machine towards high speed, precision, automation, one realizes the importance of mechanism reliability based on the accuracy of motion, for the errors of mechanism occurred more often than that of structure, especially in the field of aeronautical and astronautical engineering and operate system of weapon
上個世紀60年代以來,以疲勞、壽命為主要失效模式的機械強度可靠性、結構體系可靠性研究得到了很大發展,並迅速應用於工程機械、航空航天、電器設備、橋梁、船舶、土木工程等。隨著空間技術的發展以及機械的高速精密化、自動化發展,人們逐漸認識到以機構動作參數的準確可靠為主要指標的可靠性問題日益突出,因為在很多機械上機構的故障多於結構的故障,尤其是在航空航天及武器操縱系統方面。由於這些機構的運轉特性,振動可靠性的研究亦佔有突出的位置。Thirdly, subspace iterative method is adopted in the paper, and natural periods and modes of preceding fifteen steps of zhongshan no. one bridge are solved, dynamic characteristics of this kind of structural system are obtained, inherent link between dynamic characteristics and structural rigidity is discussed deep, the viewpoint is provided that dynamic characteristics of a structure are considered as important basis whether structural scheme is rational ; in addition, the author brings out some own views and opinions about calculational methods of prestress value of different sorts of tie rods, simulation of local rigidity region, foundation of a local finite element model of a node
另外,提出在施工階段中某些構件的應力有可能比成橋狀態的應力還大,需防止在施工狀態中構件因強度不足而破壞;再次,採用于空間迭代法,求解了拱式組合體系橋梁的自振周期和振型,得出該種結構體系的動力特性,深入探討了動力特性和結構剛度之間的內在聯系,提出了把結構的動力特性作為判斷結構方案是否合理的重要依據。此外,本文還就系桿預應力值的確定方法、局部剛度區域的模擬、節點局部有限元分析提出了作者的見解和看法,對解決類似問題得出了一些有參考意義的結論。Furthermore, the paper also provided the approach of non - linear finite element of this new type of composite structure, hi which the factors of cracking of small type hollow concrete block and dark beam ' s stiffness were being considered. at the same time, the time history analysis and stress cloud chart of this spatial structure
另外,本文還提出了可考慮馬牙搓連接及暗梁剛度的非線性有限元計算模型,對該結構體系進行了時程反應分析、做出了三維結構的應力雲圖,全面地分析了該結構形式的受力特點和抗震性能。The formation of jinma bridge, projects comparison, new design method and calculation both on static and dynamic and the detail problems were presented in this paper in order to investigate this new structure and analyze the detail problems of this design. the main contents and the final conclusions of this thesis are as follows : 1
為了研究這種新型橋梁的結構形式,並對結構設計中一些問題做深入地分析,本文對金馬大橋的方案比選、設計思路、協作體系結構的形成過程、結構的靜力、動力計算以及局部構造等方面進行了全面地分析研究。Calculation methods of reliability index corresponding to time of bridge structural member under a single destroy mode is given. based on the conventional reliability theory, component is treated as a system, multi - destroy - mode would appear in identical section is taken into account ; calculation method of evaluation index that is used for member and the whole system is put forward
根據動態可靠性理論,給出已有橋梁結構構件在單一破壞模式下任意時點的可靠度計算方法,並在傳統結構可靠性理論的基礎上,將構件作為結構體系,考慮其某一截面可能出現的多種破壞模式,提出構件評定指標的計算方法,進而給出橋梁結構體系綜合評定指標的計算方法。The representative failure models of main beam are searched by incremental method and disadvantage loading in the control sections. the equal - substitute beam method is applied, which can simplify the reliability estimation on bearing capacity of beam - bridge. and the state function on bearing capacity reliability of beam - bridge is presented and the structure resistance theory ( or design ) probability model in state function is deduced
首先,針對梁式橋結構顯著失效模式之一? ?主梁的失效,研究在用梁橋承載力可靠度分析方法,主要包括:根據梁橋損傷狀況外觀調查和結構內力分析,確定其承載力可靠度分析的控制截面;將增量荷載法和控制截面處不利布載相結合的方法應用於梁式橋結構體系主要失效模式的搜尋;引入等代梁法以簡化梁橋承載力可靠度的估算;給出梁橋承載力可靠度功能函數及推導功能函數中結構抗力理論(或設計)概率模型。By way of these tendons, precest beams and columns can be assembled conveniently, and the joints and frame are monolithic and continuous. consequently, compared with common reinforced concrete frams, this kind of frame systems possess higher reliability and solved the problems in the process of assembling prestressed concrete frames. also it forms the framework of subassemblage and prestressed concrete frames, and explores a new way for industrial production of prestressed structures. by analyzing this system, a series of conclusion are provided, incluing modulation of bending moment produced by vertical loads within beam end, secondary internal forces produced by pretress force, shear resistance of the end of beams, the influence of lateral restrains. theresearch results of this paper are proved to be practical. some advices are also brought forward on the design process
后張預應力筋既可作為施工階段拼裝手段,又可在使用階段承受梁端彎矩,構成整體受力節點和連續受力框架,克服了裝配式節點受力可靠性差的缺陷,解決了預應力混凝土框架難以裝配的問題,形成預制預應力混凝土裝配整體式框架,開辟了預應力結構工業化生產的新途徑。本文針對預壓裝配式預應力混凝土框架,從豎向荷載作用下的梁端彎矩調幅、施加預應力在框架中產生的次內力、梁端抗剪承載力、考慮側限的無側移框架的承載力分析四個方面對該種裝配式結構體系的性能做了詳細的研究。To date, structure engineers still adopt designing method of frame - shear wall structure rather than considering common action of pier wall and transition beam and the problem of stress - distribution complication arises from here. this paper provides the research object which is a 13 - stories frame supported short pier shear wall structure with different pier strength coefficients and integrity coefficients, focus on stress distribution of two - short - pier shear wall and three - short - pier wall under vertical loads and horizontal loads. it also concludes variational rules of internal force of transition floors in this structure
本文以具有不同整體性系數和肢強系數的13層框支短肢剪力墻結構為研究對象,運用ansys8 . 1有限元分析軟體,研究了雙肢墻、三肢墻和轉換梁等結構構件在豎向荷載與水平荷載作用下的應力分佈特點,總結了帶梁式轉換層的短肢剪力墻結構中轉換梁的內力隨著墻肢截面高度的變化規律,為框支短肢剪力墻結構的分析和設計提供了理論基礎。分享友人