有效收縮量 的英文怎麼說

中文拼音 [yǒuxiàoshōusuōliáng]
有效收縮量 英文
effective shrinkage
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
  • : 縮構詞成分。
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 有效 : effective; valid; efficacious
  • 收縮 : 1 (由大變小; 由長變短) contract; shrink 2 (緊縮) concentrate one s forces; draw back 3 take u...
  1. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心膨脹混凝土特殊的、徐變系數計算模式展開了探討,在合理的假設前提下,採用「齡期調整的法」得到的混凝土的本構關系,推導出鋼管內核心混凝土在考慮徐變影響后的等彈性模計算公式,並以此為基礎採用桿系限元方法來對鋼管混凝土拱橋進行較高精度的徐變分析。
  2. On the basis of the characteristic of the industry waste slag, which is high added to the hsfab, different kinds of catalyzing methods are adopted to make the waste residue more active. the additive f, developed by the author can obviously improve the mechanics characteristic and durability of hsfab, especially the restraining of the drying shrinkage. based on the study of technics parameters and the problems in the manufacture, hf - 1100 series full - automatic hydraulic pressure wall brick presses is chosed to solve the problems, such as low molding pressure, low efficiency and the certified product ration

    在hsfab的研究方面,通過兩種體系hsfab (即「水泥?鋼渣?粉煤灰?爐渣」和「石灰?鋼渣?粉煤灰?爐渣」體系)的配方優化設計,使之具良好的社會、經濟和環境益;在高摻工業廢渣的前提下,根據各種原料的特性,對其採用不同的活化技術,使其具較高的活性;自研的外加劑f ,對hsfab製品的物理力學性能和耐久性能均明顯的改善作用,尤其是對製品的乾燥性能顯著的抑制作用;通過對工藝參數的研究,結合實際生產普遍存在的問題,選取了hf - 1100系列全自動液壓墻體磚壓機,地解決了傳統制磚過程中常見的成型壓力低、生產率低、產品合格率低(即「三低」現象)等問題。
  3. Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    基於現的試驗資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變應變增的表達式,對比了應用徐變系數分析徐變的限元法和應用徐變度分析徐變的初應變法在率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  4. Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    文摘:基於現的試驗資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變應變增的表達式,對比了應用徐變系數分析徐變的限元法和應用徐變度分析徐變的初應變法在率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  5. Because 3d surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time. in chapter four, the cutting of reconstructed 3d models is explored. in order to observe expediently the size and interspaces structure of inner tissues and avoid the discommodiousness of surface reconstruction, a simple cutting methods based on ray - casting algorithm is presented to get the inner images information

    第三章主要對marchingcubes ( mc )表面重建演算法進行描述, mc演算法是基於規則體數據抽取等值面的經典演算法,本文實現了這種等值面構建表面模型的演算法,並對其演算法的二義性進行了相應的處理;針對其重建速度較慢的問題,提出了體素間相關性處理的方法來加快重建速度;並對其生成的表面幾何模型所包含三角面片數巨大的問題,提出一種快速的三角形邊演算法進行網格簡化,提高了表面模型的繪制速度。
  6. On the basis of classifmg deflation into moderate deflation and harmful deflation, this paper summarized the achievements of the deflationary research, and made a thorough inquiry into the harm, cause and treatment of deflation. the paper analyzed the fallacy of composition, and pointed out that the fallacy of composition owns two characteristics of self - intensifing and mutual - promoting, which make deflation continue and aggravate. the asymmetry between individual and total is another basic characteristic owned by the fallacy of composition, which changes the economic fluctuation if the fallacy of composition develops continually

    本文對「合成謬誤」這一經濟現象進行了初步分析,指出合成謬誤具自我強化和相互促進的特點,在經濟遭受負向外部沖擊的情況下,這使總需求累積性,通貨緊因此得以自我維持,並被不斷加深;合成謬誤發展的結果是引起短期內經濟波動發生轉換,而這正是由於合成謬誤所具的個與總之間存在著非對稱性這一根本特徵所決定的。
  7. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大文獻和資料,對該種激光器進行了深入的研究,通過對yag棒直徑的合理選取併合理地改進反射鏡面,從而既保證了光束質又最大限度的增加了吸長度,的提高了泵浦率;在不影響泵浦的前提下,通過短yag棒的長度減小輸出損耗;對yag棒的水冷系統進行優化結構設計,使激光器體積減小到國外同類產品體積的一半,而輸出功率已達到國外同類產品的極限值。
  8. The addition of aluminum sulfate caused the chemical shrinkage of cement mortar to reduce a little, but induced net plasma self - shrinkage to grow into expansion. that reason was that ettringite was produced by reaction between aluminum sulfate and hydration products

    硫酸鋁摻入水泥中,可以使水泥漿的化學的減少,但可以使水泥凈漿的自改變為膨脹應,這是因為其與水泥水化的生成物反應生成了鈣礬石。
  9. We have successfully designed an experiment system for the no invasion blood pressure measurement with our own ip. in our research and develop task we have done a lot work to study foreign instrumen and design ideas. this experiment system is based on msp430 series mpu with excellent erformance and applies advanced digital signal process and intelligent technology. in hardware design, the following means were applied : after a lot of experment and fully knowing about the characteristic of the pulse wave signal, we have designed the accurate and credible circuit to collect the pulse wave signal ; power circuit, communicaion circuit, power drivers circuit have been disigned for the instrument. in software design, the following arithmetic were applied : 1

    軟體方面進行了以下演算法研究: 1 .綜合試驗各種數字信號處理方法對波形進行平滑處理: 2 .採用lms自適應方法對脈搏波信號進行了降噪處理; 3 .應用微分閉值法提高了脈搏波信號的檢出率,識別了運動干擾引起的偽波信號; 4 .利用測振法基本原理並進行大實驗的基礎上,提出了比較準確可行的壓和舒張壓的識別演算法,使測振法在本無創血壓儀中得到了完整而充分的應用。
  10. Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result

    為計入混凝土彈性模的變化及混凝土徐變隨混凝土的齡期與外荷載加載時間不同而變化的影響,採用時間增法對每個計算階段根據其階段內時步數進行循環,以計算時段內彈性應力、應變增和徐變、產生的應力應變增,利用彈性模法計算混凝土徐變次內力,在此基礎上,結合結構矩陣位移法的基本理論編制開發了計入混凝土時應的高墩大跨徑橋梁穩定分析程序。
  11. Abstract : during construction of the capital international airport ' s garage building project, the c50 and over c60 high performance concrete has been adopted for its construction. for the aim of 1, to get a maximum reduction of cement comsumption 2, to lower the concrete ' s hydration heat 3, to reduce concrete ' s shrinkage and cracks, and 4, to promote concrete ' s performance, a high quality chilled blast furnace superfine slag has been adopted as an admixture. furthermore, the adoption of some other minerals as the admixtures to get a high performance concrete has been carried out. as a result, these procedures and operations would have developed considerably the potential activity of concrete, and eventually the multiple performance and multiple function of concrete would have been improved and promoted. in conclusion a good result has been achieved in practice

    文摘:首都國際機場停車樓工程中,採用c50及c60以上高性能混凝土,為最大限度減少水泥用,降低水化熱,減少與裂縫,提高混凝土的性能,優選了成分含高、質好的水淬高爐礦渣磨細后單獨摻用,或再與其他礦物組分復合作為高性能混凝土的摻合料,以充分發揮礦渣的潛在活性,從而使混凝土的多項性能得到極大的改善和提高,並在實際應用中取得了良好的果。
  12. During construction of the capital international airport ' s garage building project, the c50 and over c60 high performance concrete has been adopted for its construction. for the aim of 1, to get a maximum reduction of cement comsumption 2, to lower the concrete ' s hydration heat 3, to reduce concrete ' s shrinkage and cracks, and 4, to promote concrete ' s performance, a high quality chilled blast furnace superfine slag has been adopted as an admixture. furthermore, the adoption of some other minerals as the admixtures to get a high performance concrete has been carried out. as a result, these procedures and operations would have developed considerably the potential activity of concrete, and eventually the multiple performance and multiple function of concrete would have been improved and promoted. in conclusion a good result has been achieved in practice

    首都國際機場停車樓工程中,採用c50及c60以上高性能混凝土,為最大限度減少水泥用,降低水化熱,減少與裂縫,提高混凝土的性能,優選了成分含高、質好的水淬高爐礦渣磨細后單獨摻用,或再與其他礦物組分復合作為高性能混凝土的摻合料,以充分發揮礦渣的潛在活性,從而使混凝土的多項性能得到極大的改善和提高,並在實際應用中取得了良好的果。
  13. Using the time dependent finite element method of age - adjusted effective modulus, the author calculates the deflection which is induced by shrinkage and creep in a continuous rigid frame bridge of urban rail transit, and further compares with the site test result, the conclusion is very meaningful

    摘要採用按齡期調整的時變分析限元法,對城市軌道交通預應力混凝土連續剛構橋的徐變變形進行了理論計算,並與實測結果進行了對比分析,結果表明理論計算是可信的。
  14. This thesis has made the contrast test of shrink and creep for plain concrete and concrete filled steel tubes on the basis of long term in - door test, obtains the principles of shrink - creep of concrete filled steel tube, simulates the test data, analyses and contrasts the coefficient of shrink and creep, thus offers reference for the calculation mode of creep, furthermore by introducing reasonable assuming at the same time, develops the calculation formula of equivalent elastic modulus at the same time, develops the calculation formula of equivalent elastic modulus, adopts common structure analyses procedure ansys to calculate the redistribution of section stress in the steel tube and concrete during operation

    本文在長期的室內試驗的基礎上對素混凝土和鋼管混凝土做了和徐變的對比試驗,得出鋼管混凝土的徐變規律,對試驗數據進行了擬合,對鋼管混凝土的和徐變系數進行了分析和比較,從而為鋼管混凝土的徐變計算模式提供參考,同時通過引入合理的假定,並結合由「齡期調整法」導出的混凝土徐變本構關系,推導出了鋼管核心混凝土考慮徐變影響后的等彈性模計算公式,並以此為基礎採用通用結構分析程序ansys對成橋后鋼管和混凝土應力重分佈進行了計算。
  15. Measurements of intensity similarity on the end points and displacement similarity on other points are introduced into the external energy to avoid model shrinking and shift along the object during deforming, which are common in open snake

    通過在外部能中引入對端點的灰度相似度和對中間點的運動相似度的測地避免了模型沿血管或漂移的現象。
  16. The original emm is adjusted. the new emm not only retains the simple expression, but also has a satisfied precision for calculating the restraining stress of the scc walls. the shrinkage compensation coefficient y is proposed for quantitatively estimating the effectiveness of die expansion at early age compensating the shrinkage at later stage

    基於以上認識,修正了原的等法,將總約束應力表示為早期膨脹和後期兩個單調變形過程引起的分項應力之和,在保留其簡單形式的同時,使之在容許誤差下,適用於補償混凝土墻的約束應力計算。
  17. For the walls poured by ordinary concrete, the emm and ttm obtain the same qualitative conclusion, despite of some discrepancies in the specific value. but for the walls poured by the scc, the restraining stress calculated by the emm is remarkably smaller than that by the ttm. in other words, the emm results shows that the shrinkage compensation technology can take place the measures of setting dilatation joints, while the ttm results indicates that, though the restraining stress is decreased, the decreased amplitude is inadequate

    對計算結果的比較和分析表明,對普通混凝土墻,結果的具體數值差異,但反映的定性規律相同;對補償混凝土墻,結果差異巨大,等法認為補償技術可實現無縫設計,而時程方法在承認補償技術可減小約束應力的同時,認為應力減幅還不足以實現無縫設計。
  18. 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,在分析當前計算機的發展狀況及橋梁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,通過比較分析徐變計算的各種理論及方法,澄清了徐變分析的關鍵過程,並採用增法編製程序,實現徐變次內力分析;再次,對預應力的相關計算內容進行適當優化或簡化處理,並編制相應程序;另外,本文還在比較預應力次內力各種計算方法的基礎上,將等荷載法結合限元進行一些簡化處理,編製程序實現預應力次內力的計算;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,取得了預期果。
  19. Although osteoporosis is multifactorial, physical activity is important to the skeleton at any age because the associated weight - bearing and muscular activity stimulates bone formation and increases or at least stabilizes bone mass while immobilization leads to rapid bone loss

    而骨質疏鬆癥雖屬多因子疾患,然歷來文獻已指出身體活動對骨骼的影響適用於任何一個年齡,其帶來的承重與肌肉應通常能提供的外力以刺激骨形成或穩定骨
  20. 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,以索力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;以斜拉橋主梁標高誤差最小為目標函數,以主梁內力(彎矩)為約束條件,以索力為優化變,建立了最佳施工階段的索力調整計算模型;推導了考慮徐變應的索力調整計算公式;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相當接近,優于該橋以「雙控」為控制目標的實測結果,力地證明了本文方法的正確性及其工程實際價值
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