工作應力設計 的英文怎麼說

中文拼音 [gōngzuòyīngshè]
工作應力設計 英文
working stress design
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  1. The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者分開考慮,其算地基承載值的公式是根據彈性地基中分佈及土的極限平衡狀態理論為依據而得出的,求地基的沉降變形時則視土體為彈性,這些理論對地基及土的假與淺基礎地基的實際狀態及天然土體的非線性、彈塑性存在一定的偏差。
  2. This paper introduces the developing tendency of the space structure and the application of the pretensioned space lattice structure, summarize the analysis method and relation between lattice structure and pretensioned space lattice structure. dissertate the space pole - truss displacement method, tendon working principle, set forth the method of optimal design and whole process design. includes the use stage design and construction stage design of pretensioned space lattice structure

    本文首先介紹了空間結構的發展趨勢及拉索預空間網格結構的用情況,概述了網格結構與拉索預空間網格結構的分析方法及其相互關系,論述了空間桿系桁架位移法,拉索用機理,闡述了拉索預空間網格結構的優化及全過程方法,包括拉索預空間網格結構使用階段的和施階段的
  3. This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures

    考慮在各種荷載用下無粘結筋極限增量的變化規律,並與理想的彈塑性模型相比較,最終得出以理想彈塑性模型算各種荷載用下無粘結筋極限增量的回歸公式,從而為預混凝土多跨連續結構的無粘結筋算提供有益的參考。
  4. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜試驗以及擬動試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻系數等抗震性能的比較,並進行了彈塑性動分析.試驗和分析結果表明,配置預和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相建議
  5. According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design

    本論文結合當前中國散裂中子源( chinaspallationneutronsource , csns )程概念的迫切需要,選擇國際上廣泛使用的基於蒙特?卡羅方法,用於模擬粒子輸運過程的程序mcnp4a和nmtc jam為研究具,首次對csns靶站進行了全面的模擬與優化,內容包括靶、反射體與慢化器系統的中子通量分佈以及熱量沉積,同時算了靶的溫度場與場分佈。
  6. The situation and development of domestic and foreign manufacture, especially in the europe, america and asia, have been summarized and researched in the article, so the following work has been finished, and the conclusions and results are obtained as follows : through analyzing the features of movement, power and construction for the high - speed cnc gear hobbing machine in 6 - axis with four coordinated, the design methods of general arrangement, kinetics and kinematics are put forward. 1. by analyzing the severe challenge to the machine manufacture in the market, developing and managing methods of serial modular products are posed

    為了給我國汽車業和其它行業提供先進的齒輪加備,本文在總結、研究國內外特別是歐美國家齒輪機床現狀與發展的基礎上,進行了以下研究,並得出相的結論與成果:分析了六軸四聯動數控高速滾齒機的運動、動、結構特點,提出了六軸四聯動數控高速滾齒機的總體布局、動、運動學方法;分析並根據市場對機床製造業提出的嚴峻挑戰,提出了數控滾齒機系列產品的模塊化開發方法與管理方法;在分析了六軸四聯動數控高速滾齒機模塊化的技術先進性與經濟性間辨證關系的基礎上,提出了產品開發過程中以邊際成本法進行經濟分析的方法。
  7. Measured results from in - site loading tests in tannin harbor and from in - door model tests were compared with predictions from the limit equilibrium methods. a method of estimating the bearing capacity for inhomogeneous medium was suggested to meet every case ; 4. according to the results from model tests, the elastoplastic fem were performed to study the procession of the change of the stress and strain in inhomogeneous medium and to simulate the procession of the forming of the failure surface during loading, and the failure mechanism was studied ; 5

    4 、結合模型試驗結果,確定出了符合非均質介質規律的彈塑性模式,在此基礎上分別運用二維、三維彈塑性有限元程序,模擬出了外荷載用過程中非均質介質內部、變形以及破壞面的發展過程,分析得出了非均質介質地基的破壞機理; 5 、在港口程地基當中,已經引入了可靠度理論算分析基礎穩定性。
  8. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所的具體包括:測量原理的研究和在系統中的實現,在本次中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的用,我們完成了它與單片機的介面及程序編制任務;精確時鐘晶元ds1302在系統中的用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序;與上位機的通信介面,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統方面還包括報警電路、操鍵盤、電源監控電路、電壓基準電路的
  9. To set up reasonable designing and manufacturing techniques and accurate calibration system and to speed up forming the native pvdf pressure sensors is the direction of this project. first, based on the piezoelectric theorem, the theoretic support of pvdf pressure sensors is deduced. according to purposes of practical projects, special purpose sensor configurations are designed and the corresponding calibration system based on shpb ( split hopkinson pressure bar ) technique is built in succession

    本文從壓電材料的一般壓電控制方程開始,導出了pvdf壓電薄膜測壓技術的相關論據;根據測試目的以及被測結構的特點,了多種夾心式的傳感器構造形式;摸索出了一套基於國產pvdf壓電薄膜製的加、安裝藝;建立了一套基於系統集成技術的多點pvdf壓測試的數據採集、處理系統;建立了一套基於shpb技術、適用於實際范圍的pvdf壓的動態標定方法,並對兩種厚度的國產pvdf壓電薄膜進行了標定。
  10. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率算和生物質能量利用率算提供了依據和方便; ( 2 )選擇了8種生物質試樣了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反學微分方程,並採用goast - redfem積分法和p函數對其動學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動學模型,為科學確定反器的閃速熱解溫度范圍及熱解反學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反器固相滯留時間和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用學、程材料、機械學原理,推導、建立了轉錐式閃速熱解反器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反器的最小錐角、錐壁強度、生產能理論和功率算方法及臨界轉速理論等。
  11. The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided

    本文僅就嘉定電廠二期程中的三根試驗樁的靜載試驗進行了分析和研究,利用樁土體系荷載傳遞分析算的基本微分方程及-變轉換原理,結合預埋電測元件的樁身率定,對三組不同種類、不同施藝、不同持層中的樁的豎直、水平承載特性進行了分析、比較和歸納,通過大量、全面的實測數據,經過整理、轉換和推演,揭示了不同試驗樁在豎直、水平荷載用下的變化規律和樁身變位、撓曲變化規律,最終提供試驗場地土層和樁的承載特性,為該程合理樁型提供了可靠的參數,為確定科學的施藝提供了有的依據。
  12. This thesis initiates a study about the thermal - hydraulic research for the target structure and optimization. investigating the target research work at home and abroad, we acquire their design gist and technological developing route in the according fields. comparing the numerical - calculational methodology of multi - physical such as finite difference method, boundary element method, disperse element method and finite element method, finite element method is the predominant methodology, we have appliance of this method to calculate fluid field thermal field and stress field

    針對靶區的結構,開展熱學研究;調研國內外靶區的研究現狀,了解靶區的依據、技術發展路線及發展趨勢;調研多物理場的數值模擬方法-有限差分法、邊界單元法、離散單元法、有限元方法等等,其中最有效地方法是有限元方法;簡述有限元方法在流場、溫度場、算中的具體用。
  13. In this paper, firstly, the recent condition and perspective, the types of structures, construction technology, the design method of the fast developing concrete - filled steel tube arch bridge are introduced, and the mechanics performance and uniform theory and the application in practical engineering of cfst

    本文首先簡單介紹了現在發展迅猛的鋼管混凝土桁架拱橋的發展現狀和前景、結構形式、鋼管混凝土的學性能和統一理論、施技術和方法以及在程實際中的用,然後介紹者的研究
  14. While the scientific technology developing at a tremendous speed, the level of hydro - generator manufacturing is increasing. now the f - class insulation standard for generator is adopted, and cad for hydraulic design has spread, and advanced theory in hydraulic design is applied, and insulation materials are discovered, and precise processing techniques are under research. in the hydroelectric industry it ' s necessary to increase the generating units " installed capacity to take advantage of an old power plant and to raise the utilization ratio of water power energy

    隨著科學技術的飛速發展,水發電機的生產製造水平日益提高, f級絕緣在電機中的運用;算機cad輔助水的推廣,先進的水理論的用,新的電氣絕緣材料的發現,精密的加藝的研究,為了提高水能利用率,使老電站煥發青春,機組增容改造已是水電事業發展中一項不容忽視的
  15. Our main product is precision mechanical parts, assemblage production which push our business development as assistant. we have established a processing system with an excellent provision chain platform to service our clients abroad and at home, through long terms in addition, we have an prefect processing system ( sample / drawing ? - > redrawing / checking ? - > checked ? - > process making ? - > material ? - > processing ? - > inspection, packing and transport ). we also have our ability for exploitation and design, cad cam technology support is viable

    公司以精密機械零部件加為主,輔為整套產品裝配加的形式驅動著業務的發展,通過與國內具有競爭企業的長期合,已構建出一個擁有優質管理的供鏈體系平臺來服務于國內、外客戶,同時並具有一整套完善的加體系(樣件/來圖? - >出圖/審圖? - >核準? - >藝編排? - >備料? - >生產流程? - >檢測及包裝運輸) ,同時公司也具有與客戶合開發的能,並提供cad 、 cam等技術方面的支持。
  16. If the technicians applied technology in the wrong, even achieving the business logic, but probably leading to many vices including low performance, low scalability, close coupling, low software duplication. so how to assemble the j2ee technology reasonable and achieve a system with high performance and high expansibility is my research emphasis in the thesis. in order to solve the problems and implement efficient web application, the paper put forward ejs _ mvc model according mvc pattern and we can assemble component by using ejs _ mvc model, it can solve many problems of web application and improving system with clear flow and clear function partition, in addition, due to controller is the most importance in the ejs _ mvc model, so the thesis also discuss some problems about controller design ; if the model is not designed accurately, system performance will encounter fatal influence, so the article lucubrate ejb technology from ejb choice, ejb optimized design, database access, design pattern etc and bring forward some strategies and methods about how to build efficient business tier ; finally based on ejs _ mvc model, a example that contains simple business logic is developed according to the object - orient software engineering thinking and some strategies and methods proposed by the thesis, in the process of achieving system function, the emphasis is probing into how t o assemble and apply technology reasonable and providing a new thinking thread and method contributing to build high effective and flexible j2ee application

    由於j2eeweb用是由組件組成,因此為了解決上述問題,實現高效的用,本文首先從如何合理組合組件入手,找到一種方法使各組件能具體分而又緊密合,在深入研究各組件基礎上,根據mvc模提出了ejs _ mvc模型概念,指出可按此模型組合各層組件,該模型可以解決傳統web開發中存在的問題,而且具有系統流程與系統功能劃分清晰,可擴展性、可維護性強等優點,另外由於控制器是ejsmvc模型的重中之重,它起到承上啟下的用,它好壞直接關繫到整個用的性能、伸縮性與擴展性,因此又探討了控制器的有關問題;另外如果模型不當的話,對系統性能造成的影響可能是致命的,因此本文又從ejb組件選擇、 ejb調優、數據庫訪問和模式等方面對ejb技術了全面的分析研究,指出在業務層中如何避免太多網路遠程調用和提高業務層性能,特別是根據前面的分析總結出了業務層的優化分層組合模型,這個模型的使用無疑會使業務層具有較高的性能與伸縮性;最後選擇一個業務邏輯較簡單的系統,使注意集中到運用的j2ee技術上來,按照ejs _ mvc模型與軟體程流程以及本論文所提出的方法與策略實現業務邏輯,在實現過程中具體探討如何合理運用組合技術,就多層j2ee體系結構的思想深入的探討實踐,為實現高效、靈活的多層j2ee用提供一種新的思路及方法。
  17. Bearing capacity and displacement are two main problems in the application of geotechnical engineering. based on a series of pull - out tests using three kinds of paper and a sort of window screening as geogrid, twenty - seven in limit and several in working - stress geogrid - reinforced slope model tests designed through orthogonal principle have been conducted to have obtained the relationship between the bearing capacity and four factors ( i. e. reinforcement, angle of reinforced slope, the designed - length of reinforcement and the distance between layers of reinforcement ). the law of slope lateral ( horizontal ) displacement versus to the height of slope vary with external - load was derived from the model test data, and the main factor affecting the lateral and vertical displacement of geogrid - reinforced slope was obtained through analysis

    承載(強度)和變形是巖土用領域的兩大主要問題,本文以紙和窗紗布模擬加筋土邊坡的土格柵,在一系列拉拔試驗的基礎上,以正交理論分別安排27個極限狀態和若干個狀態加筋土邊坡模型試驗,並以模型試驗獲得的數據為依據,採用誤差、極差及回歸分析方法,探討了加筋土邊坡承載與筋類、筋長、層間距、坡角4因素的相關關系,獲得了在外荷載用下加筋土邊坡的側向位移隨坡高的變化規律(並進行了定性解釋)和坡頂的豎向位移特性,並分析其主要控制因素。
  18. The finite element method ( fem ) has been widely applied to engineering structures design and mechanics analysis as a tool, so it would be signality to apply fem to piezoelectric composite materials analysis

    有限元法為一種廣泛用於程結構學分析的具,將它用於壓電復合材料的性能分析中具有非常重要的意義。
  19. Present the experimental research carried out on strain and stress by applying the resistance strain surveying technique to the big hole sealed heads in the new fire - tube heating boilers with the laws of strain and stress distribution obtained and allowable working pressure given because there is no applicable standards or specification for calculating the strength of crude oil heating boiler heads perforated by densely distributed big - holes, which, to a certain extent, hampered the further development of crude oil heating boilers in china, and concludes from experimental results that strain and the stress of circumference are fairly large near the edge of big - hole, and the cross ribs enhance strength of sealed head to a certain degree

    油田火筒加熱爐密集大開孔封頭的算,因沒有相的強度算標準在一定程度上限制了我國油田火筒加熱爐技術的發展.採用電阻變測量技術,對新型火筒加熱爐大開孔封頭進行了變試驗研究,得到了封頭的變和分佈規律,給出了大開孔封頭允許的.試驗結果表明,大孔邊緣圓周處變較大,十字筋板對封頭有一定加強
  20. The paper describes the design process of libya western pipeline project, involved in the selection of pipe wall, stress analysis, anchor design, hydrotechnological protection and pipeline construction in right of way area, introduces the design characteristics different from the domestic pipeline design and construction

    摘要介紹了利比亞西部管道程線路中管子壁厚選擇、分析、固定墩、水保護、試壓介質、業帶布置等方面的內容,指出了該程線路與國內其他管道的不同點,經驗可為以後的類似提供借鑒。
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