相當梁應力 的英文怎麼說

中文拼音 [xiāngdāngliángyīng]
相當梁應力 英文
hull girder stress
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 當Ⅰ形容詞(相稱) equal Ⅱ動詞1 (擔任; 充當) work as; serve as; be 2 (承當; 承受) bear; accept...
  • : 名詞1 (屋架中架在柱子上的長木) beam 2 (通常也指檁) purlin 3 (橋) bridge4 (物體中間條狀隆起...
  • : 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...
  • 相當 : 1 (兩方面差不多; 配得上或能夠相抵) match; balance; correspond to; be equivalent to; be equal to...
  1. Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load

    針對前國內外彈性地基法存在的缺陷,基於對軟土流變性的研究,採取了剪判斷彈塑性狀態,以改進和完善基坑工程彈性地基法,推導了彈性狀態下地基反系數的近似解,提出了採用剪組合判斷土彈簧彈塑性狀態的方法,編制了的彈塑性共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了壓縮模量、粘聚、內摩擦角等參數變化對基坑工程的影響。
  2. The vibration of upper structure of bridge which caused by the dynamic action of vehicle pass the railway bridge may make the structural component fatigue and decrease the intensity and stability. the more vibration of bridge will influence the safety and stability of vehicles ; when the dynamic changing frequency of vehicle equal or approach to the free vibrational frequency of bridge, wh ich will make the resonance may intensify the response of bridge and vehicles

    列車動作用引起橋樑上部結構的振動可能使結構構件產生疲勞,降低其強度和穩定性;橋振動過大可能會對橋上車輛的運行安全和穩定性產生影響;列車的動變化頻率與橋跨結構自振頻率等或接近時,引起的共振可能會使車橋動加劇。
  3. The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large

    本文主要包括以下內容:從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式,並將有限元方法用於剛架拱橋結構溫度的計算中,對橋結構進行整體溫度分析;討論了年溫差和日照溫差引起的橋結構的溫度效,表明年溫差引起的溫度效較小,而日照溫差引起的溫度較大且沿高呈非線性分佈;分析比較了橋結構各個部位的溫度效的大小,可知截面越小溫度拉越大,受越不利;並對箱結構由於構造不同引起的縱向與橫向的溫度效大小進行了探討,發現在頂板下緣也會出現大的溫度拉,並且梗腋的存在反而增加了頂板底部的溫度拉;還對幾種近的剛構式橋型的溫度效進行了分析對比,總結了這些橋型針對溫度效的優劣,並提出的針對性措施。
  4. A port tyre crane has various parts and complex structure, which is made up plenty of beam - bar and shell elements, manual calculation can not guarantee the precision while finite element method needs onerous structure modeling and a great deal of date input. the finite element analysis and modeling of the port tyre crane are difficult because of complex structure and various loads. in order to fit further more design and exploitation of the same type as well as the upgrade of the production i study a kind of parametric software for structure analysis of the port tyre crane, it can reduce the difficulty of modeling and structure analysis as well as improve efficiency

    港口輪胎式起重機部件繁多、結構復雜,由數目眾多的桿與板殼組成,其結構設計和學分析使用傳統的手工計算方法難以保證精度,有限元方法則需要繁重的結構建模和大量的數據輸入,並且要求分析人員具有學知識和有限元基本理論。港口輪胎起重機結構的復雜性、載荷工況的多變性導致港口輪胎起重機結構有限元建模和分析工作效率低、難度大。針對這種情況本課題研發了一套港口輪胎式起重機結構的有限元參數化分析軟體,以適同類機型的進一步設計開發和產品升級換代,降低建模和分析的工作難度,提高工作效率。
  5. At last distribution functions of load modes in life service are presented. based on the resisting force model and load model, the limit state equations of rc bridge are formulated. according to the resisting force is time - dependent and vehicle load is the non - gaussian distribution, jc method is applied to calculate the time - dependent reliability index of rc bridge

    在抗衰減模型及橋荷載模型的基礎上,將可靠度理論引入橋結構的評定中,推導出了橋結構耐久性極限狀態方程,並根據耐久性極限狀態方程中抗是時間的函數,以及車輛荷載為非正態分佈的特點,量正態法( jc法)編制的程序計算橋構件的時變可靠度指標。
  6. The paper has five parts : part i discusses the original cause of the core competence based corporate diversification strategy, and academic and positive researches " sustain of this strategy ' s validity ; part ii demonstrates the essence ' s universal blur of the core competence is the root of difficult to discerning and measuring the core competence itself. and because the base of synergic effect which diversification pursues is blur, the shortcoming of difficult to operating the strategy is exposed ; in order to improve the strategy ' s operating, partlll introduces corporate strategic assets into the strategy to build a bridge between the core competence and corporate diversification. this part clarifies the logic between the core competence and corporate diversification that only if through strategic assets, the core competence ' s competitive advantages can be achieved and corporate diversification must be strategic assets correlative to pursue synergic advantages ; basing on the above discusses, partiv modifies the old strategy properly, and then designs the core competence based strategic assets correlative corporate diversification strategy mode ; the last part takes haier ' s diversification growing mode for example to testify the modifying mode ' s effective use in practice, and hopes other chinese corporations can benefit from this mode too

    本文共分為五部分:第一部分論述了基於核心能的企業多元化戰略產生的原因,以及理論與實證研究對該戰略有效性的支撐;第二部分論證了核心能本質的普遍模糊是核心能難以識別與測度的根源,進而使多元化追求的協同效基礎模糊不清,暴露出該戰略難以操作的缺陷;為提高該戰略操作性,第三部分通過引入企業戰略資產,在核心能與多元化之間構架了一座橋,闡明核心能的競爭優勢要通過戰略資產才能得到具體實現,同時,多元化關于戰略資產尋求協同優勢;在此基礎上,第四部分對原有戰略進行適修正,構建了基於核心能的戰略資產關多元化戰略模式;第五部分以海爾企業多元化成長模式為例進行具體剖析,以例證該修正模式在中國的實際運用,期望能給予我國其他企業以有益的借鑒。
  7. As those college students are pillars of the state in the future, the extent of solving this crisis is directly related to whether they could be the qualified builders for the socialist modernization and the rise and fall of our country. therefore, the intervention of the crisis is an important matter could n ' t be neglected. we must work out and take appropriate measures from the point of view of society, colleges families and individuals to set up credit awareness strengthen public honesty and keeping promises awareness, to expand and encourage honesty and keeping promises culture and behaviors, to set up supervisory and evaluation system and to pay close attention to its education and train perfect personality

    而作為未來社會中堅的大學生,其誠信危機的解決程度直接關系其能否成為中國特色社會主義事業的合格建設者與棟才,直接關系祖國的興衰成敗與振興大計,那麼,干預代大學生的誠信危機的發生,于國于校、於家於己來講,都是一件不容忽視的大事,所以我們必須從社會、學校、家庭、個人的角度出發,拿出的對策與措施,樹立信用意識,強化公眾的誠信共識;大弘揚誠信文化,積極鼓勵誠信行為;建立誠信監督機制,開展誠信行為評價;抓好誠信教育,培養完善人格。
  8. A time - variant reliability formulation is presented in this paper to account for the effects of fatigue, corrosion and maintenance actions on the first yield reliability of midship section modulus. a probabilistic model for long - term distribution of wave - induced fatigue stress range is established. for the purpose of obtaining the performance of structure that stands random fatigue load, the concept of stress parameter and equivalent stress range are introduced

    船舶在由波浪彎矩引起的交變作用下,船體構件焊接點處的微小裂紋逐漸擴展;同時,隨著船齡的增加,眾多結構構件遭受腐蝕的作用;從而使船體剖面模數減小,船體承載能衰減,船舶結構的安全性將受到大的影響。
  9. First, based on the analysis to the development condition of computer and property of the input data of bridge, this paper, taking convenience and practicability as principle, develops the multi passages data - in system made up with human - computer interactive interface and excel import model. second, after comparing and analyzing to the calculation theories and methods of creep and shrinkage, clearing up the key steps of creep and shrinkage analysis, the paper takes incremental method to establish program to analyze secondary inner force caused by creep and shrinkage. third, the paper puts some optimal or simplified treatment to the contents of pre - stress and develops relative program ; in addition, through analysis to the different methods used to calculate the secondary inner force caused by pre - stress, the paper combines equivalent load method with finite element, carries out some simplified treatments, and establishes program to calculate secondary inner force caused by pre - stress

    首先,在分析前計算機的發展狀況及橋結構輸入數據特點的基礎上,以方便、實用為原則,採用人機交互界面和excel輸入方式聯合的多通道數據輸入系統;其次,通過比較分析徐變收縮計算的各種理論及方法,澄清了徐變收縮分析的關鍵過程,並採用增量法編製程序,實現徐變收縮次內分析;再次,對預關計算內容進行適優化或簡化處理,並編制程序;另外,本文還在比較預次內各種計算方法的基礎上,將等效荷載法結合有限元進行一些簡化處理,編製程序實現預次內的計算;最後以三個算例來校核計算方法及程序運行結果的可靠性,取得了預期效果。
  10. According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method

    根據現代斜拉橋結構設計理論和懸臂施工方法的特點,提出了以最佳成橋狀態作為施工控制的最終目標,以實施最佳施工階段為技術路線,以索調整為核心內容的斜拉橋施工控制理論,簡稱為最佳成橋狀態法;以斜拉橋主標高誤差最小為目標函數,以主(彎矩)為約束條件,以索為優化變量,建立了最佳施工階段的索調整計算模型;推導了考慮徐變收縮效的索調整計算公式;用最佳成橋狀態法對一實橋工程進行了施工控制全過程計算研究,得到的成橋狀態與設計目標接近,優于該橋以「雙控」為控制目標的實測結果,有地證明了本文方法的正確性及其工程實際價值
  11. With the development of material science and transportation, thin - wall box girder ( including steel girder and prestressed concrete girder ) is used wildly in modern engineering of bridge, but shear - lag problem is arising accordingly, the result it takes can not be ignored, especially broad and low box girder

    隨著材料科學和交通事業的發展,薄壁箱形(包括鋼箱、預混凝土箱)在現代橋工程中得到了廣泛地運用,但隨之而來是剪滯后問題突出,特別是寬扁箱滯效不容忽視。
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