荷載歷史 的英文怎麼說

中文拼音 [zǎishǐ]
荷載歷史 英文
loading history
  • : 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 ...
  • : Ⅰ名詞1 (經歷) experience 2 [天文學] (歷法) calendar 3 (歷書; 年鑒; 歷本) almanac Ⅱ動詞(經...
  • : 名詞1 (歷史) history 2 (古代掌管記載史事的官) an official who was in charge of historical rec...
  • 歷史 : history; past records
  1. In summary the major research work in this thesis can be drawn as follows : 1. the techncal data and research information from woridwide aviation history about bird striking to airframe have been collected and reviewed more carefully the evolutions of bird striking load models and fem numerical compatation methods to bird strike also have been sununarized. this informational research makes great help to position further thesis work scientifically 2

    本文研究工作可歸納總結為以下三個方面: 1 、較全面整理綜述了鳥體撞擊飛機結構在國內外航空上的技術資料以及鳥撞問題理論與工程研究的沿革,總結了撞擊研究模型、有限元數值計算方法的發展程等,明確了本文研究工作的科學定位。
  2. The first swing - clock in human history was invented by a dutchman in 1656. from that time up to now 500 years has elapsed and time - pieces in all varieties have recorded this passed time of history

    蘭發明人類上的第一隻擺鐘,直到今天的各式各類的鐘表已經將寫了年。承語言,記錄流逝的歲月。
  3. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    地下連續墻是一種較短的施工方法,目前,砼防滲墻的設計還是以傳統的設計方法為主,根據查找國內外文獻資料,華東建築設計院王衛東利用地下連續墻與樁在豎向作用下的工作性能有相似性,將適用於樁基的poulos彈性理論引入對地下連續墻的沉降計算中;清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土的參數,利用非線性e - b模型,結合黃河小浪底土石壩設計剖面,採用thepd土石壩總應力程序,對深覆蓋層塑性混凝土防滲墻的應力、位移進行有限元分析,並與普通混凝土防滲墻計算結果加以對比,同時分析了不同配比塑性混凝土特性的影響,並採用應力水平和拉應力數值來判斷塑性混凝土防滲墻的安全程度。
  4. It is concentrated on the investigation of the laws of damage initiation and development, under the conditions of monotone loading, cyclic loading, varies confinement pressures and triaxial equi - compression

    主要是根據試驗結果,對經各種荷載歷史后的損傷隨荷載歷史的發展演化規律進行了深入的研究。
  5. The combination of lateral stress and maximum vertical strain denotes the loading history and the reduction of tensile strength and compressive strength denotes the damage of concrete. this work is the theoretical foundation of study on the damage, of concrete due to loading history

    分別用經荷載歷史后混凝土試件的抗壓和抗拉強度的劣化來定義其抗壓和抗拉損傷,為下文深入研究損傷隨荷載歷史的發展演化規律奠定了扎實的理論基礎。
  6. Sufficient test data were acquired for investigating the damage and constitutive behavior of concrete. second, according to the fitting of experimental data, the evolution equation of damage is obtained. the main factors affecting the damage development are examined and the causes are expounded

    其次,通過對試驗結果的非線性回歸分析,得到損傷演化的經驗表達式,並以此為依據,分別深入地研究了混凝土在經過常規三軸受壓和三向等壓等荷載歷史后,抗壓強度和抗拉強度隨荷載歷史增加而發生劣化的演化規律。
  7. The aim of this dissertation is to shed some light on these subjects. first, systematic experimental study and theoretical analysis have been performed to study the damage of concrete due to loading history. in addition, an artificial neural network approach is developed to study the constitutive relations of materials, and some constitutive models of concrete under various loading history have been established

    本文針對目前大壩設計和研究中混凝土材料損傷及本構特性這個薄弱環節,在深入分析國內外有關成果的基礎上,從理論和試驗兩個方面對混凝土材料經荷載歷史后的損傷特性進行了深入的研究;同時,將人工神經網路技術應用到混凝土本構領域,建立了一系列在各種加形式下的混凝土材料模型。
  8. 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、水的作用,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。
  9. Being basis on the 14 regional grid planning texts of historical data of hunan province, initially determining the factors that affecting power grid construction ; to reflect the distribution of information to determine the scale of construction leading indicators to assess the scale, with its own network of intelligence presented to the region to assess the scale of the distribution network - building indicators system ; establishes assessment models of evaluating 110kv distribution network building scale integrated ; considering the main factor that influencing the construction scale of the distribution network, the improvement method of 10kv distribution networks capacity - load ratio is proposed ; the combination of high voltage distribution network planning optimization technology results presented evaluation pressure distribution network building scale integrated assessment methods

    課題以湖南省14地區電網已有規劃文本數據為基礎,初步確定各種影響電網建設的因素;以反映配電網建設規模的主導信息來確定規模評估指標,提出了符合自己網情的地區配電網建設規模的評估指標體系;建立了評價110kv配電網建設規模的綜合評估模型;通過研究各影響因素與負發展儲備系數參數的關系提出了確定10kv變電容比的方法;結合高壓配電網規劃的優化技術成果,提出了評價中壓配電網建設規模的綜合評估方法。
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