荷載圖 的英文怎麼說
中文拼音 [hézǎitú]
荷載圖
英文
load diagram-
With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving
在此分析過程中:首先將物理模型簡化為力學模型,主要是將塔架結構按空間桿單元簡化為空間桁架結構,目的是將力學模型變換為數學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算,再將計算結論整合入algorfeas產生的初始數據卡中,生成計算數據卡;接著,利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖,位移圖,並且求出在不同載荷條件下的最大位移和最大應力等;然後,對塔架的穩定性進行分析;最後;根據計算結果提出改進建議。The point at which branching of the graph occurs is called a bifurcation point and corresponds to a critical value of the load.
圖上發生分叉處的點叫分支點,它相當于荷載的臨界值。The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus
本文以大量的重載道路資料為主,從實際出發,結合理論計算,對重載標準進行了詳細的討論,分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了;同時,通過大量的水泥混凝土板底應力計算,推導出了混凝土面板荷載與板底應力水平的關系式;給出了水泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對理論模量的修正公式。The third part is cutting pattern finding. in this section, the whole surface of membrane structures is divided into several membrane strips. then the strips are developed into plane to get the cutting pattern on the membrane roll
第三階段是裁剪設計階段,其目的是將已經通過荷載分析的三維膜曲面轉化成離散的平面膜片,在市售的薄膜卷材上進行下料分析,獲得可以施工的裁剪下料圖。On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well
本課題針對重載道路路面設計中所存在的問題,從重載交通特性出發,收集分析了國內幾條重載道路的交通及軸載組成情況,根據重載交通的特點,分析原有荷載圖式的不足,提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,通過對重載路面軸載換算公式的進一步研究,分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討,系統地提出了重載路面的設計方法,並使之有效地運用到工程實踐中。This paper presents design principle and method of asphalt concrete pavement typical construction and cement concrete pavement typical construction, formulates typical construction drawing of two type pavement and workouts pavement typical construction computer aided design, by summarizing and absorbing research production of home and abroad, considering different natural conditions, grade of road and traffic volume in ningxia, and collecting a mass of engineering datum, calculating and checking
本文通過總結與吸收近年來國內外路面典型結構的研究成果,考慮寧夏地區不同的自然條件、道路等級和行車荷載條件,在大量計算、驗算的基礎上,提出適用於寧夏公路的瀝青混凝土路面典型結構和水泥混凝土路面典型結構的設計原則和方法,具體擬定了兩種類型路面的典型結構圖,並編制了公路路面典型結構計算機輔助設計程序。According to calculation pattern of plane frame - bent structure, the load and earthquake action are calculated firstly, the static response and dynamic response of the reformed structures are then analyzed by means of sap84 procedure
然後取平面框排架計算簡圖,進行荷載和地震作用計算,利用sap84程序對改造后的結構體系進行了結構的靜力和動力分析。And the calculated results closely coincide with experimental results. furthermore, the paper, through applying the improved algorithm to the load - deflection curve and secondary load, also the calculated curves closely coincided with experimental results ( showed as chart 3. 17 - 3. 20 )
本文還將改進的演算法運用於粘貼加固受彎構件的荷載?撓度曲線和二次受力問題的計算中,得出與試驗結果吻合較好的計算曲線(圖3 . 17 3 . 20 ) 。After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates
本文根據我國規范的有關規定,自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型,對不同構件尺寸的樑柱腹板剛性連接節點在單向荷載作用下的反應進行了研究,從結構的mises應力等值線示意圖、梁端加載處的荷載? ?位移曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析,從而得出了不同構件尺寸的樑柱腹板剛性連接的在受力行為上的結論:增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力性能:提高節點的承載能力;減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象,從而避免試件過早地發生破壞。Road testing. measurement of a rolling load deflection. part 5 : determination of deflection values using deflectograph 04
路面試驗.行車荷載偏轉測定.第5部分:使用偏轉圖04對偏轉值的測定The fourth chapter is the important chapter of this paper : firstly, this chapter analyzes the total arrangement of the buildings, the single building ' s distribution, the extensibility of the building ' s functions and the design model of " trinity ", we find out that flexibility is the core of the university library design, " trinity " is not the only way and the best way in the library design ; secondly, this diaper raises another design model - - the design of hybrid library, in which the array of pillars, the level height and the load are designed according to the subarea, this design method can improve the flexibility and ecnomization of the buildings ; at last, this chapter approaches the principles and the developing trend in the design of the university library
第四章是本論文的重點章節,在這一章中,論文首先從建築總體布局、建築單體布局、建築功能的可擴展性、 「三統一」的設計模式等方面進行了細致的分析。我們發現:靈活性是目前我國高校圖書館建築設計的核心問題; 「三統一」並不是圖書館建築設計的唯一方式和最佳方式,於是提出了一種分區設計柱網、分區設計層高、分區設計荷載的另一種設計模式? ?復合式圖書館建築設計,旨在增加靈活性的同時,進一步提高建築的經濟性與實用性。在章節的最後,從宏觀上探討了高校圖書館建築的設計原則及發展趨勢。Lastly, two axially loaded bored piles in some building site near xichang city was calculated with the method and some useful data and curves including load - settlement curves and distribution of friction resistance etc. are presented. the accordance between the results of calculation and in - situ test verifies the validity of the method developed in the paper
通過計算,得到相應的荷載?沉降曲線、軸力圖、樁側阻力圖、塑性區、土的豎向位移等值線、樁的滑移過程等結果,並與現場試驗結果吻合較好,說明用本文方法計算分析樁基的工作特性是可行和有效的。The pmma ' s craze damage is observed on line in different temperature and invariable load, which show that the change pricks up with the increase of time and temperature. with the disposal of the image, we get a changing rule that the change of the sample of pmma ' s surface crazing damage density follow the change of time and stress. then the data from experiment is to match in non - linearity, pmma ' s density of crazing damage changing with time and stress is available
對pmma在恆定荷載作用下,不同基溫下的pmma銀紋損傷進行了實時在線觀測,結果表明: pmma試件的銀紋隨持荷時間增加,而且隨著溫度的升高,可以加劇這種銀紋隨時間的變化;經圖像處理,得到了不同基溫下、不同應力水平下, pmma試件銀紋損傷面密度值;進而,對所得數據進行非線性擬合,得到pmma試件銀紋損傷密度隨時間演化規律,以及應力水平依賴性; 3( 3 ) reinforced concrete frame columns modeled by using three - dimensional solid element to concrete and three - dimensional bar to reinforcing steel bar, and at the same time consideration the adhesive bond between reinforcing steel bar and concrete, the fem is used. by choosing reasonable element, determining mesh division and load steps, simulation of load - displacement, cracking, yielding and ultimate load, crack development history, and calculating fail crack diagram of reinforcement concrete frame columns under laterally monotonic load are conducted. the analyses are compared with the experimental results
( 3 )混凝土用三維實體單元、鋼筋用空間桿單元對鋼筋混凝土框架柱進行三維建摸,而且同時考慮了鋼筋和混凝土的粘結性能,通過合理的單元選取、網格劃分及荷載步的確定,模擬了單調荷載作用下鋼筋混凝土框架柱的荷載啦移曲線、開裂荷載、屈服荷載及最大荷載、裂縫發展規律、計算破壞裂縫圖,並與相應的試驗結果進行了比較分析。Based on the known research, including load picture, axes conversion, damage mechanism of heavy asphalt pavement, the paper reseaches heavy load design parameter, heavy load design index, structure combined design deeply, suggested the design method of heavy load asphalt pavement and testified it by example
本論文針對這種亟待解決的問題,在以往研究成果的基礎上,從重載作用下的交通特性出發,在重載瀝青路面的荷載圖示、軸載換算、破壞機理等研究的基礎上,對重載設計參數、重載設計指標、結構組合設計等進一步進行研究,提出了重載瀝青路面的設計方法,並通過具體實例來說明。( 6 ) the abnormality criteria of fracture mechanics are employed to diagnose the abnormality of the crack, and the inversion of the concrete fracture roughness is studied. the space prediction model of the anomalous load is presented using neural network. the load surface of stress intensity factor and its corresponding plane is given and employed to diagnose and predict the abnormal load of the crack
( 6 )應用斷裂力學理論,對裂縫轉異進行診斷,並探討了混凝土斷裂韌度的反演分析方法;建立了反映荷載組合與應力強度因子之間關系的神經網路模型,反饋分析裂縫的轉異荷載,在此基礎上,研製了應力強度因子的三維荷載曲面圖以及相應的二維平面圖,提出裂縫轉異荷載的空間預報模型;並通過實例驗證。The initial strain must be the optimum value obtained by multiple - trial method. 5. in the static analysis of the bridge model under live load, assuming a shifting concentrated load on the girder, analyzing the relation map of each section deflection and the location of the concentrated load, finishing the load - on of the worst - case live load, then the moment and deflection envelope diagrams of the girder were obtained
成橋模型建立后,在後續活載作用下的靜力分析必須首先在主樑上作用移動集中荷載,分析主梁各斷面的活載撓度與集中荷載作用位置關系曲線圖,完成最不利活載的加載,從而最後得到懸索橋主梁的彎矩包絡圖及撓度包絡圖。It detailedly analysis the computer operation process : picture import and export, module design, datda handle, result output and board automatic number and verticall guide load ; displacements and interal force analyses of all kinds of loads ; combination of internal force
在此基礎上本文進行了lc復合墻結構的計算機程序設計,詳細論述了圖形輸入輸出設計、模塊化設計、數據處理、結果處理、樓板的自動編號及豎向導荷,各種荷載作用下的內力及位移分析,然後進行了內力組合。The data used by calculation program and post - processing are formed by dialog boxes, and fed back by figure. a finite element program which considers the influence of axial deformation can analyze the prestressed concrete frame structure, then the structure is designed according to the code of concrete structure gbj10 - 89. post - processing can give the result of calulation by text file and graph, and plot construction drawings in autocad
前處理模塊通過對話框採集數據來建模,並利用圖形反饋建模結果;計算核心利用考慮了軸向變形的桿系有限元程序計算荷載效應和預應力效應,並按《混凝土結構設計規范》 gbj10 ? 89計算承載能力極限狀態和正常使用極限狀態;后處理模塊通過文本文件和圖形顯示來完成結果查詢,並直接在autocad環境下生成施工圖。The effect of load on the crack is discussed using numerical simulation approach. then, the data mining approach to the unfavorable load combination of the crack is proposed using artificial neural network. the rule of the unfavorable load combination of the crack is generated and three dimensional load combination is given
( 2 )概要闡述了溫度場的模擬,研究了薄層單元和分佈裂縫模型,應用數值模擬分析方法,結合工程實際,分析了荷載對裂縫的作用效應;在對人工神經網路方法與數據挖掘關系深入研究的基礎上,提出了基於神經網路的裂縫不利荷載組合挖掘方法,提取裂縫的不利荷載組合,並研製了三維荷載組合曲面圖。分享友人