超荷載作用 的英文怎麼說
中文拼音 [chāohézǎizuòyòng]
超荷載作用
英文
effect of surcharge-
At supersonic speeds the control load acts mainly on the deflected surface itself, and hence has its centroid even farther to the rear.
超音速時操縱載荷主要作用在偏轉面本身上,因此它的作用中心甚至更加靠後。Then, by using the great fem programme and the drucker - prager model, the thesis establishes the pile - soil model of super - long piles, analyzes the mechanism of bearing and deformation of super - long piles under vertical loading systemically, studies the characteristics of q - s curve, bottom resistance, pile shaft resistance and critical length of super - long piles in detail, acquires some practical guidance conclusion. secondly, with a practical engineering, the author expatiates the bearing characters of super - long piles farther. the thesis points that super - long piles are frictional piles under the condition of working loading
然後應用大型有限元程序,採用土的drucker - prazer模型,建立了超長樁分析計算的樁土模型,系統分析了超長樁在豎向荷載作用下的承載機理和變形特性,研究了超長樁的荷載?沉降特性,端阻、側阻的發揮性狀以及超長樁的有效樁長,得出了具有實際指導意義的結論。When the diffraction process is completed the overpressure loading on the front and back faces are essentially equal.
當繞射過程完成時,作用於正面和背面的超壓荷載基本上相等。Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg
文摘:通過以wedg放電加工手段製作微細超聲加工用工具,在採用工件加振方式的微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗,來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響,為微細超聲加工技術的實用化提供參考依據。In redundancy structure, the structure ' s distortion and strain will change along with time because of creep. according to the characteristic of concrete ' s creep, the creep grows quickly in the concrete " earlier age. for the long of bridge ' s construction period, the concrete ' s age of different part are discrepantly
在超靜定結構中,結構的變形和內力都會因徐變而隨時間不斷變化,對于實際的工程結構,結構的整體總是分階段建造起來的,某些荷載(如自重)也是在結構建造過程中分階段作用在不斷生長的結構上的。3. the complete power unit warranty will not be delivered if the diesel is damaged resulting from being refitted for other purpose or equipped other devices of own accord, or overloaded
自行改型改裝成其它用途,或自行附加其它裝置,或超載超負荷工作等造成柴油機損壞者,整機不予保修。In general, both of them are used to verify the results. using geomechanical model test method, the overloading process and wreck character of high arch dam was emulated completely for tengzigou arch dam. it is emphasized for stabilization safety evaluation various major loading function of high arch dam must be accounted and arch dam ' s whole stability is the most important
本文用地質力學模型試驗方法分析了藤子溝拱壩的超載過程和破壞特徵,並強調無論是超載試驗還是超載計算分析,在評價拱壩安全度時都應綜合考慮各種影響拱壩受力的主要荷載因素,以拱壩整體工作能力作為評價依據。The hyperstatic problem in a cantilever beam under impact
懸臂梁受沖擊載荷作用形成的超靜定問題Arch dam, which is fastened to the base rock, is a high _ order, hyperstatic, spacial body case structure. it has not only arch function but also girder function, but its main loads are passed to each dam abutment by means of arch function
拱壩是固結于基巖的高次超靜定空間殼體結構,既有拱作用又有梁作用,其主要荷載是通過拱的作用傳到兩岸壩肩。Analytic solution for bi - material cantilever beam under thermal and distributed load
單跨超靜定梁在均布荷載作用下的彈性力學解In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.
在混凝土結構的施工及使用過程中,由於受其自身及外界各種因素的影響,常常會產生一些缺陷,對結構物的承載能力和耐久性造成嚴重影響,採用無損檢測技術進行質量檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍,運用動力有限元數值模擬其檢測過程,探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵,研究了不同裂縫深度下首波相位變化規律,得出了反轉臨界點與裂縫深度之間的關系,這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術,它是利用聲波穿透被檢測體獲取聲波接收時間,來進行計算機反演成像的技術。The combined effect of the soil, structure and seismic wave was considered in the analysis and the time - dependant curves of earthquake - induced differential settlement of the building were obtained according to differential probability of seismic ground motion
考慮了土層、建築物荷載分配、地震動波形等影響因素對不均勻震陷的協同作用效果,依據不同超越概率下的地震動給出了建築物不均勻震陷時程曲線。After static and dynamic analysis, we get the conclusions that the structure is safe on the static loadings, but on the dynamic loadings, the maximal stress is about 334mpa, which excesses the bearable stress. so the dynamic loading is the main cause of the boom fractures
通過靜強度與動強度分析,得出了工作裝置在靜載荷下結構是安全的,而動載荷作用下最大應力達到334mpa ,超過了結構的許用應力,說明動載荷是影響大臂破壞的主要原因。Based on studying main factors affecting secondary settlement, a method to estimate the post - construction settlement after removal of surcharge is proposed
分析了影響次固結變形的主要因素,並提出了卸除超載后,軟基在永久荷載作用下的工后沉降計算方法。The comfortable degree and impact coefficient of pedestrian passage bridge under moving vehicle load is studied in this thesis by ansys finite element procedure
本文應用ansys有限元程序就二次預應力超薄梁組合結構在移動車輛荷載作用下行人過橋的舒適度和橋梁的沖擊系數兩個問題進行了研究。Unknown displacement and electric potential jumps in the integral equations are approximated with a product of fundamental density function and polynomials, in which the fundamental density function reflects singular behavior of electroelastic fields near the crack front and the polynomials can be reduced to a real constant under uniform loading
超奇異積分方程中的未知位移間斷和電勢間斷近似地表示為基本密度函數與多項式之積,其中基本密度函數反映了橢圓片狀裂紋前沿電彈性場的奇異性,而多項式在均布載荷作用下可用一個常數來表達。The product of working speed and radial load should not excess the limited value on the list, which determins the limit of application
工作中實際轉速和徑向載荷的乘積不可超過表中極限值,它確定了應用的極限Utilizing the force identification approaches above mentioned, experiments on the model of a supersonic fighter and on a wheel - rail coupled system are performed respectively, in order to verify the validity of the proposed theories in this dissertation
利用上述動載荷識別模型,本文分別對超音速殲擊機模型和高速鐵路輪軌耦合系統作了動載荷識別實驗驗證。結果表明,本文提出的方法能有效地進行未知激勵下的動態載荷識別及作用位置識別,從而驗證了本文理論的有效性。分享友人