重直荷載 的英文怎麼說

中文拼音 [zhòngzhízǎi]
重直荷載 英文
vertical load
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : 荷名詞(蓮) lotus
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  1. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容、側壓力系數、垂高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
  2. It is also pointed out that the shear stress along the flow - in direction existing near the junction of straight and curve edges is one of the major components of drawing pressure, and it is very important in the calculation of drawing load of non rotational symetrical drawing

    並且指出,法蘭、曲邊交界附近存在的流入方向剪切力是拉深力的主要成分之一,在非回轉對稱拉深的計算中非常要。
  3. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活動是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下水位升高降低了滑坡體的有效應力,另一方面是由於地下水的長期浸泡降低滑體及滑帶的力學強度,這兩方面的因素均將接降低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間變化時滑體條塊的受力變化,從而使對作用於滑坡體上的力系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、雨季(暴雨或長期降雨狀態) 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相應的作用的計算方法,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性綜合分析評價系統應用於慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。
  4. Compared with non - slung - load flight, additional aerodynamic load, gravity load should be considered in the slung - load system. so the moment to the gravity center, flight mode and the natural frequency will change

    升機吊掛飛行,與升機非吊掛飛行狀態相比,增加了新的氣動,和因此產生的對升機心的力矩,其飛行運動模式、低頻振蕩固有頻率均發生改變。
  5. Fourthly, the solutions for non - axisymmetical dynamic responding of elastic circular plate ( thin and thick plate ) rested on transversely isotropic saturated half - space / layered ground subjected to arbitrary harmonic loading are presented. under the contact conditions, the problem leads to a pair of dual integral equations which describs the mixed boundary - value problem

    首先建立角坐標系下波動問題的狀態方程,經雙fo吐er變換求解狀態方程后得到傳遞矩陣:利用遞矩陣給出角坐標系下層狀橫觀各向同性飽和地基在任意分佈簡諧作用下穩態動力響應的一般解。
  6. In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value

    第三章採用大渦模擬亞格子渦粘模型,對巖灘混流式水輪機的流場進行三維非定常湍流分析,得到了流場中各物理量的脈動特性,計算出ms的軸向水推力與模型試驗值大小相當;同時論證了對于下機架承的混流式水輪發電機組可採用其推力軸承負作為水電站廠房振動的最大垂激振
  7. Secondly, their aims are made the investment of substations, feeders or running cost of electric power system minimum. but they do n ' t take into account of land utilization, street accessibility of right of way, etc., but demands of electric power system. generally, a straight line distance, namely, euclid distance, was used for calculating the distance between a load point and a substation, which is a straight forward but non - practical way for most planning techniques

    其次受研究工具的限制,這些模型以工程投資、運行費用等最小為目標,僅能考慮導線流量、電壓降等電力系統技術約束條件,簡化略去了用地限制、街道可達性等要的自然約束條件,且求解這些模型的前奏是計算負點到變電所的歐幾里得距離(線距離) ,簡便但不切合實際(這一點在城市電網規劃中尤其要) ,因此較難給出技術上可行的最優解。
  8. 4. wind load has great influence on construction, but the self error of casting girder and basket load have greater influence, especially, basket falling is directly responsible for the safety of construction

    4 .得到風對施工期可靠度影響比較大,而已澆梁段的自偏差和掛籃影響很大,特別是掛籃跌落接關繫到施工期橋梁的安全性。
  9. The study of consolidation of layered saturated soils under variable loading is an important issue to geotechnical engineering. it is also of great value to the development of the elastodynamics and is very helpful to the analysis and design of foundations subjected to dynamic loads, such as vibrating machines and seismic waves. some aspects about this problem are studied in this dissertation

    下成層地基的固結問題一是巖土工程界不論在理論方面還是實際方面的要課題,它不僅對于彈性動力學的發展有著要的學術價值,而且對機器基礎及地震作用下基礎的分析和設計具有要的指導意義。
  10. The study of dynamic interactions of foundations and grounds on half space has been the focus on the mechanics and engineering fields. it is of great value to the development of the elastodynamics and is very helpful to the analysis and design of foundations subjected to dynamic loads, such as vibrating machines and seismic waves

    半空間地基與基礎的動力相互作用問題的研究一受到力學界和工程界的關注,它不僅對于彈性動力學的發展有著要的學術價值,而且對機器基礎及地震作用下基礎的分析與設計具有要的指導意義。
  11. How to precisely simulate the landing process of an aircraft and effectively absorb aircraft landing kinetic energy to attenuate the impact loads on aircraft is a problem facing the landing gear community

    如何精確模擬飛機著陸過程起落架和機身的動態響應,並據此設計減小飛機著陸過程中的沖擊的方案,一是飛機起落架設計和分析中的要課題。
  12. In this paper, the study is carried out on the design of mooring bed and simulation of mooring loads of the ship - based helicopter, so as to meet the demands of our national defence

    因此,如何保證系留座的合理分佈從而實現安全可靠的艦機系留是一個非常要的工程問題。本文結合國防需求,開展了艦升機系留座分佈及系留的模擬研究。
  13. In the paper, the load incremental method is adopted. by the way of reducing the elastic model of the destructive blocks in the elements, the finite element analysis model is revised and the repeated computing process does n ' t finish until the results are converged. the proposed method can simulate the entire process of concrete structures from crack to complete damage

    分析中採用增量法,對各級下單元中破壞的材料分塊進行彈模折減處理,並新生成單元剛度矩陣,經過多次迭代至計算收斂,從而可以給出各類cfrp加固混凝土結構的?變形全過程曲線,並預測其極限承力。
  14. Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present

    具體工作有以下幾方面: 1 )收集整理漫灣水電站大壩運行監測資料,並對其進行了系統分析,從觀測資料本身觀的分析了大壩的運行狀況; 2 )總結位移反分析的理論及方法,建立了考慮先驗信息多介質位移反分析模型,基於神經網路非線性映射功能,建立了神經網路時間序列預測模型; 3 )以ansys軟體為平臺,開發了漫灣水電站砼力壩運行狀態評價模塊,結合效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼力壩運行狀態分析系統;實現了對漫灣水電站運行狀態的動態「反演-預測」分析; 4 )利用漫灣水電站砼力壩運行狀態分析系統,在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上,系統的分析並預測了大壩運行狀態。
  15. So it is appears important to analyse capability of this structure, the people can compute all kinds of complex structure ’ s response under different sorts of exact load on current software, but the source program of the computing question, which is “ black box ”, on the contrary, fepg can get the source program, which can provide preference for the optimization of structure, even embed in the optimizing program and save much time of compiling program, linking to ga to identify the load can get the good result. so the problem is solved to alleviate the deadweight and the optimize design of the structure, as well as improve its secure capability

    對格柵結構進行力學分析就顯得至關要,盡管利用通用有限元軟體能夠計算結構承受任意可以準確描述的作用下的響應問題,但內部計算卻是「黑箱」操作,利用fepg可以得到計算源代碼,能夠為優化程序提供參考甚至可以嵌入其中,節省繁瑣的有限元計算編程內容,結合遺傳演算法進行構,往往會收到很好的效果,這就解決了由於工作環境比較復雜,引起響應的難以接測量得到的難題,從而為結構優化設計和提高安全性能的提供了保障。
  16. A material nonlinear finite element analysis for the cast - in - place reinforced concrete hollow slab that occurs from initial loading, cracking, yielding to failing is carried on. the cracking load, ultimate load, the displacement rules and the principal stress distribution rules of the hollow slab under the vertical loads are obtained. a material nonlinear finite element analysis for the single span hollow flat - plate floor is also carried on

    其次對空心板進行了從加、開裂、屈服至破壞的全過程材料非線性有限元計算,得到了空心板在豎向作用下的開裂、極限及位移和應力分佈規律;還對單跨無梁樓蓋進行了材料非線性有限元計算,通過分析主應力場明確了柱上暗扁梁的作用;有限元計算的結果驗證了以上的理論分析並得到了一些要的結論,對改進現澆空心板無梁樓蓋的構造措施有要的參考價值。
  17. Using the displacement functions and the technique of double fourier transform, the governing differential equations for transversely isotropic saturated poroelastic media are easily solved and, the fourier transformed stress and displacement solutions coorespondingly are obtained. then, under the boundary conditions, the analytical solutions for half - space are presented

    藉助位移函數及雙fourier變換,研究了角坐標系下橫觀各向同性飽和土的動力響應問題,得到了飽和半空間體在任意分佈的表面諧振作用下穩態響應的一般解。
  18. The controller can set elevator rated load tonnage for free or read the actual load weight in car directly as the rated load tonnage

    控制儀操作方便,具有自動去皮控制量可調功能,接讀取實際量為設定
  19. In view of load transferring capability of rock - socketed piles, this paper compares rock - socketed piles with non - rock - socketed piles, analyzes influencing factors ( pilelengtru pile diameter pilemodulusx character of bearing stratuiru mud hull sediment of pile bottom and roughness ) on force character. with different load transferring functions, a set of analytical equation for single pile settlement calculation of rock - socketed piles are established : three stages of p - s curve from analytical equation are gained which are straight linex curve x straight line ; and relationship curves in different pile modulus and in different rock - socketed length

    根據所選用的不同的傳遞函數,導出了嵌巖樁單樁沉降計算的一種解析演算法,分析得出嵌巖樁p ? s曲線按變化分為線?曲線?線段三個階段,不同樁身模量下承力的變化曲線,樁身模量、樁端巖石強度是影響單樁承力的要因素,不同嵌巖深度下端阻比的變化曲線。
  20. Due to more and more application of unmanned air vehicles ( uav ) in war, theinteroperabilityand currencybetween uav systems become veryimportant. in 2001. 04, thefirstexperimenttocontrolthetake - offandlandingofamericanavy “ predator ” is carriedoutby the tactical control system ( tcs ), which is developed by america navy. in theexperiment, the launch and recovery, flight control and payload control is finished, and thedata can be received directly from “ predator ”. for investigate the framework, informationcriterionandkeycontroltechniqueoftcs, it ’ snecessarytotesttheprototypeoftcs

    隨著無人機在戰爭中越來越多的應用,無人機系統之間的互操作性和通用性變得尤為要, 2001年4月,美國海軍研製的戰術控制系統對美海軍「捕食者」無人機進行了首次起飛和降落控制試驗,試驗完成了無人機的發射和回收、飛行控制、控制,並可從「捕食者」飛機接接收數據。
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