built-in stress 中文意思是什麼
built-in stress
解釋
殘余應力-
Destabilization style of an arcuated built - up system bridge, influence of nonconservative force of hanger rods, comparative between stress value in construction stage and stress value in finished bridge stage, stability coefficients in bridge code, these are discussed deep
著重對失穩類型、橫撐在穩定中所起的作用、吊桿非保向力的作用以及施工階段的應力和成橋階段應力的比較、規范中穩定安全系數的規定進行探討。 -
E have stress free working environment with landscaped gardens around the factories, investing over 3 million rmb to make gardens and ponds, spent more than 1 million rmb to build gymnasium, purchase many sports equipments and set up a medical center for the staffs health, as well as a reading room. we have invited professionals for staff training and development in areas of their specialty and business directions. after the three athletes from resun diving club earned three olympic gold medals and one silver medal, resun created opportunities for its staff to meet with the olympic champions by holding a celebration meeting, which built up sporting spirit within the staff of resun
今年，我們相繼成立了"興日生員工救助基金會"寶工業園生活區籌備小組"精神文明建設小組" ，短短幾個月來，已經有60多位員工接受了救助基金會的幫扶，救助基金的迅速到位解決或減輕了困難員工的后顧之憂，使他們可以安安心心工作為了創造更好更寬松的生活休息環境，寶一號路旁的生活園區建設工作即將上馬興日生工會每月開展"優秀生產班組"評選活動，還定期舉辦聯歡晚會卡拉ok放映電影球類擂臺賽旅遊等一系列豐富多彩的活動。 -
Abstract : in this paper, the efficient stress method is used as main means, while the railway engineering anti - earthquake design specification and the dynamic triaxial test are used as additional means. the authors analyze the ground layer liquefaction of shield tunnelling built on powder soil or fine sand, whose top plate is buried under two kinds of depth, and conclude that the liquefaction area is different with different buried depth. finally, the rational buried depth is proposed
文摘:以有效應力原理的有限元計算分析為主、鐵路工程抗震設計規范及室內動三軸實驗為輔，對修建在粉土或粉細砂層中的盾構隧道進行了兩種不同埋深情況下的液化分析，得出了埋深不同液化區出現區域不同的結論，並提出隧道抗液化的合理埋深。 -
In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project
在動態數值分析中，針對世紀塔變截面的塔身，曲線軸線的拱以及柔性拉索相互耦合時清況，建立兩種有限元計算模式，利用有限元軟體algorfeas得到動力數值分析的結果，如：自振頻率、振型、動位移、動應力等等，再和振動臺試驗研究成果作比較，得到一些重要的結論，從而為南京世紀塔工程的設計和施工提供強有力的依據，而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。 -
( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses
本文基於彈性理論和有限元原理與方法，分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題： （ 1 ）在分析現有幾種典型的管道垂直土壓力計算方法的基礎上，探討了影響垂直土壓力的主要因素以及改進的方法； （ 2 ）分別通過彈性理論分析法和結構力學的方法，建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程，並應用在算例中，把所得結果和有限元方法所得結果進行對比分析； （ 3 ）考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響，利用有限元的思路，建立了地下管道橫向力學有限元計算模型和方法，並且採用大型有限元分析軟體ansys ，針對上埋式管道工程算例，得出了管周土壓力以及管道橫截面應力的分佈狀況和規律，並和理論值進行對比；針對施加柔性填料的上埋式管道工程實例，得出了減荷后的土壓力分佈，並和實測值進行了對比。 -
Taking the earth - rock dams with straight clay core constructed on thick moraine cover foundation and directly built on bed - rocks with the same sizes and the same materials for example, two - dimensional dynamic fem programme is used to contrast and analyze the static stress distribution and dynamic response difference of two types of high earth - rock dams in the intensive earthquake zones
摘要以相同尺度和相同材料的建造在深厚覆蓋層上直心墻土石壩和直接建設在基巖上的直心墻土石壩為例，採用二維動力有限元程序對比和分析了強震區兩種高土石壩的靜應力分佈和動力反應的差異。 -
The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact
軟基上的仰斜式擋土墻在水利工程河道護岸中經常遇到，仰斜式擋土墻基底偏心應力較大和軟基土地基容許承載力偏小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻設計中有關計算參數的選擇、公式的選用應該注意的問題進行了研究，對河道護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法，就其計算理論、設計驗算中各荷載的具體處理方法進行了較為細致的研究，提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法，並對有水情況下粘土等效內摩擦角_ d 、凸榫被動土壓力e _ p等在計算中的取值提出了定性和定量的分析。最後利用現代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化設計，得出了符合實際的結果，與其它重力式擋土墻形式進行比較，取得了明顯的經濟效益。 -
It can remove tiredness, comfort stress, get rid of toxin built up in different parts of the body
消除疲勞，減緩壓力，排除淤積在身體各部位的毒素 -
In this paper, the pier - wall models respectively built with steel - fiber concrete and ordinary concrete were tested for revealing their early bebaviors of thermal strain and thermal stress caused by adiabatic heating
為此進行了鋼纖維混凝土和普通混凝土2個墩墻結構的模型試驗，比較了二者的溫度及溫度變形的特性。 -
Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further
首先，本文在綜合分析隧道穩定性影響因素及失穩破壞模式的基礎上，對全長粘結式砂漿錨桿作用力學機理進行了深入研究，為全長粘結式砂漿錨桿的有限元模擬分析奠定了基礎;其次，針對傳統錨桿有限元模擬方法的局限性與不足，在上述全長粘結式砂漿錨桿作用力學機理研究基礎上，建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後，運用上述復合砂漿錨桿單元模型，引進非線性有限元分析手段，開發了隧道支護穩定性分析的有限元程序，並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討，得到了對隧道支護設計具有指導意義的結論;最後，運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算，探討了其應用方法，並就隧道變形與應力及塑性區分佈規律進行了分析，從而提出了合理的支護方案，為隧道支護設計提供了參考依據，完善了隧道全長粘結式砂漿錨桿支護的理論與方法。 -
Secondly, grounded on the study of the distribution of the high external waterpressure and high geostress and the characteristic of the rock in engineering area, the paper built the elastoplastic fem numerical simulation model, and think over the procedure in tunnels excavation and the history of work of water load, and then get the relations between the different tunnels diameter, different permeability coefficient and depth of the grouting rock and the deformation, stress distribution and plastic range of the surrounding rock and support structure. finally, according to the modern design theory of tunnels construction, the particular design of country rock reinforcement and support structure are researched and presented for diversion tunnels
接著，本文在深入研究工程區高外水壓力及高地應力分佈規律及巖體特性的基礎上，建立起高地應力、高外水壓力作用下隧洞圍巖結構非線性有限元模擬計算模型，然後考慮隧洞的開挖過程、水荷載的作用歷史，通過計算分析得出了不同洞徑、不同的灌漿圈滲透系數和不同的灌漿圈深度以及不同開挖過程與圍巖及支護結構的應力、位移和塑性區的關系。 -
As a part of the civil 863 plans, two multiple - contact models for two kinds of braking system are built in the paper, in which contact fields are described as coons surfaces, initial velocity is programmed in fortran. the thermal - mechanical coupling braking processes are simulated for the first time by msc. marc, the general - used nonlinear fem software. time distributions of the velocity, the stress and the temperature of the components under various initial velocity and brake force are obtained, which offer theoretic gist to study the life of the wheel, the disc and so on
作為國家行業863重大課題《鐵路機車車輛虛擬樣機系統》的一部分，本文在研究接觸問題和熱?機耦合問題數值方法的基礎上，採用國際上通用的非線性有限元分析軟體msc . marc建立了踏面制動和盤形制動主要部件的多體接觸計算模型，其中用解析方法描述，即用nurb曲線、高斯曲面來描述接觸區域，用fortran語言編寫定義初速度的用戶子程序，首次對兩種制動過程熱?機耦合進行了數值模擬，定量給出了主要制動部件在不同初速度、不同制動力下各個時刻的速度、應力和溫度的變化規律，為研究車輪、閘瓦以及制動盤壽命提供了理論依據。 -
A nonlinear transient flows model for stress - sensitive formation were built, and the one classical and two classical approximately solution and t column source solution in laplace domain were go by pedrosa, kikani, wang xiaodon, etc. the stress - sensitivity study main focus on tuziluoke and yinan2 gas fields in tarim basin : the core samples stress - sensitivity is analyzed by the servo tri - axes rock mechanics test system. the data points plot on the semi - log plot does not show a single linear curve but two or multiple stage linear curves. the main reason is that the different pore structure type has different capability to against the compress
在前人研究的基礎上，本文針對塔里木吐孜洛克和依南2兩個氣藏的壓敏特性進行了深入的研究：利用引進於美國的全伺服三軸巖石力學實驗系統，針對所研究工區的塔里木吐孜洛克氣藏和伊南2氣藏高壓低滲的特點，對所選取的巖心進行了一系列模擬地層條件下的壓力敏感性實驗，獲得了大量的實驗數據。 -
To this problem, on the basis of the work property and characteristics of the water turbine ' s blade. the finite element mechanics model of blade vibration characteristic is described with the eight - node three - dimensional nonconforming and all parts of blade damp are analysised, the calculating model of blade damp is built, the tackling method of blade damp in calculating of dynamic stress is presented
本文根據水輪機葉片的特點和工作性質，採用空間八結點非協調等參單元描述水輪機葉片運動特性的有限元力學模型，詳細分析了水輪機葉片阻尼各組成部分，並建立了葉片阻尼的計算模型，提出了葉片阻尼在動應力計算中的處理方法。 -
Resumptively, the construction of new structure will change the third stress field to the fifth stress field in surrounding rock, and bring the safety problem of existing structure and the complexity problem of newly - built structure. it is a ineluctable problem that we must face and treat
概括地講，新建結構物的施工會使圍巖從原來的三次應力場演變到五次應力場，正是這種應力的演變導致了既有結構和新建結構的受力變異，造成既有側的安全性和新建側的復雜性問題。 -
Since the louisville utw experiment, although, some utw experimental projects have been built in united state, the loading stress of utw pavement has not been analyzed by theoretical calculation
作為一種新型、有效、快速、經濟且簡便的舊瀝青路面維修技術，雖自lousiville試驗路后在美國已進行了大量試驗路研究，但在路面結構荷載應力分析方面尚屬空白。 -
The comparison of the fem result of offshore cofferdams built with solidified soil in geoforms with the field measured results and its subsequent analysis showed that an elastic non - linear model can very well simulate the characteristics of stressed deformation of soil under the cofferdams and the finite element method ( fem ) can be used to analyze and calculate the tendency of deformation and stress development of soil mass under the cofferdams
摘要通過對模袋固化土海上圍埝有限元計算結果與現場實測結果的對比分析，說明用彈性非線性模型能夠較好地模擬圍埝下土體的受力變形特性，可以採用有限元分析的方法計算圍埝下土體的變形和應力發展趨勢。 -
In the fea part of this paper, to find the avulsion cause of the jh125 motorcycle frame, the analysis model of the frame was built by ansys software. structural static analysis and structural modal analysis were processed. as a result, prediction of damage cause, and stress waveforms of the high - stress regions was achieved, and it was proved by modal experiment that fea analysis is correct
在本文的有限元分析部分，運用ansys軟體對嘉陵jh125車架的斷裂分析入手，建立了該車架的有限元模型，並進行了靜力學和動力學計算，找到了車架危險區域和斷裂的原因，並通過車架模態試驗對理論分析結果進行了驗證。 -
Special grids is adopted for solid model of conical roller bearings by applying for three - dimensional solid and contact elements, aiming at its characteristic, stress and load distribution of elastic contact problems. finite element model built in the paper is fit for objective practice, with flexible - flexible contact bodies and surfaces - surfaces contact mode
本文針對汽車后橋傳動錐軸承的接觸彈性變形特點、接觸應力及負荷分佈規律，採用三維實體單元及三維接觸單元對圓錐滾子軸承實體模型進行特殊的有限元網格劃分，將接觸單元按柔體一柔體處理，採用面一面接觸分析模式，建立了符合實際的有限元模型。 -
By selecting polynomial displacement function, buckling analyses for isotropic, orthotropic and angle plying laminated plates with built - in symmetric delamination are made. finally, transfer function method is adopted to three - dimensional stress analysis of laminated piezoelectric cylindrical shell. the sensing and actuating effects of three - layered piezoelectric cylindrical shell are presented
採用傳遞函數方法對正交各向異性有限長簡支壓電層合圓柱厚殼進行了三維應力分析，並對三層壓電圓柱殼的傳感效應和作動效應進行了分析。
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