溫差應力 的英文怎麼說
中文拼音 [wēnchāyīnglì]
溫差應力
英文
temperature stress- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : 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...
- 溫差 : [物理學] difference in temperature; range of temperature
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Through experiment study of tank model under prestress, water pressure, temperature action, external loads, and coactions of all the loads, stress characters of various parts of concrete tank are analyzed
通過大量算例,對構件組合和變溫差異對熱應力的影響問題進行了分析。並根據分析結果提出了一種新的罐體結構型式。The temperature of surface concrete varies with environmental temperature, but the conductibility of inner concrete is very poor. as a result, a quick decrease of environmental temperature will lead to large temperature gradient and then tensile stress develop soon in the thick direction, which will probably occur on the entire cross - section
混凝土表面溫度隨外界溫度波動而波動,但內部的導溫性能很差,所以在外界溫度驟降時將引起很大的溫度梯度,從而在厚度方向上拉應力發展很快,這極易引起全斷面拉應力發生。The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame
根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈,既貼近實測數值,計算又比較簡單;通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測,以及與本文所提出計算方法的理論解進行的分析比較,證實了本文計算方法的正確,同時改進了已往混凝土箱梁溫度自應力的計算方法。The comprehensive effect of partial acidlity of working medium, flowing status of fluid, nocuous material in atmosphere, together with the overlong usage, largely increased the corrosion rate and caused the leakage
結果表明,泄漏的主要原因是焊接缺陷導致焊縫區發生縫隙腐蝕,而工作介質的局部酸性、流體的流動形態、大氣中有害物質、溫差應力等綜合作用,加上使用期過長等加劇了腐蝕,導致該塔泄漏。The compatibility and harmony among workability, mechanical grade and durability are optimized, with the ground of adjusting composition and dosage of fd - 1 ; after analyzing anti - freezing damage mechanism, it is concluded that temperature is main factor, which affects structure and property of concrete. after two processes of temperature - elevation of hydration heat and temperature - descent of cold - environment, there is original damage in concrete and its existence leads to temperature fields, as results in temperature damage on transition phase > aggregate and cement mortar of concrete
通過對負溫混凝土早期防凍分析研究認為,環境溫度對混凝土的結構形成及其性能的影響十分突出,水泥水化溫升和環境散熱降溫兩個過程導致混凝土結構內部產生不均勻溫度場,對過渡相、水泥砂漿以及骨料都能產生不同程度的溫度損傷,產生內部溫差應力裂紋,初始損傷也是不可避免的。Effect of unsymmetrical solar thermal radiation on thermal stresses of high arch dams
左右岸日照差異對高拱壩下游壩面溫度應力的影響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,並將有限元方法應用於剛架拱橋結構溫度應力的計算中,對橋梁結構進行整體溫度應力分析;討論了年溫差和日照溫差引起的橋梁結構的溫度效應,表明年溫差引起的溫度效應較小,而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈;分析比較了橋梁結構各個部位的溫度效應的大小,可知截面越小溫度拉應力越大,受力越不利;並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討,發現在頂板下緣也會出現相當大的溫度拉應力,並且梗腋的存在反而增加了頂板底部的溫度拉應力;還對幾種相近的剛構式橋型的溫度效應進行了分析對比,總結了這些橋型針對溫度效應的優劣,並提出相應的針對性措施。Recently, train is running faster and faster, and considering the stability and security, seamless welded rails ( swr ) are used as the train orbits gradually. the temperature of the rails will vary with weather. so that the rails may release the energy due to the metal characteristic of expanding or contracting with temperature, there is some badly distortion in the swr, worsly occurring accidents on expanding orbits. the portrait thermal stress ( pts ) of the swr should be monitored in some parts regularly, as to avoid such accident
近年來,隨著火車的提速造成的穩定和安全問題,軌道逐步轉為採用無縫焊接鋼軌,隨著鋼軌溫度的變化,無縫鋼軌可能會因為熱脹或冷縮的金屬特性並且在扣件阻力小而且路基較差的路段釋放能量,可能會發生鋼軌嚴重變形,更甚者會發生脹軌跑道等嚴重鐵道事故,為了避免發生如此事故,有必要定期對鋼軌的溫度應力進行檢測。This thesis set forth the method and process of designing to kiln tyre using robust method. when constructing the math model, it was thought of that there were structure parameters, such as the tyre " media and width, and a series of uncontrolled factors ( contact stress, bend stress stiffness and temperature stress, and the aim is to optimize the weight of the tyre )
在構建數學模型中,考慮了輪帶內徑、輪帶寬度等結構參數以及輪帶的允用接觸應力、允用彎曲應力、輪帶的彈性模量、輪帶內外表面的溫差等不可控因素,以輪帶的接觸應力、彎曲應力、剛度溫度應力為約束條件,以輪帶的重量最輕為優化目標,通過改變輪帶的寬度以及輪帶的外徑進行參數優化設計。Combined with a concrete face rock - fill dam in process, the simulation analysis on the face slab ' s temperature field and temperature stress is processed in connection with the condition of temperature sudden drop caused by daytime temperature differences and cold wave and so on during the construction period
摘要結合某在建的混凝土面板堆石壩,針對施工期日溫差及發生寒潮等氣溫驟降情況,進行了氣溫驟降條件下面板溫度場及溫度應力的全過程模擬分析。The results show that at the initial stage, the temperature difference between internal and external wall surfaces is considerable and the temperature distribution is not uniform ; the initial stage belongs in dangerous time period because of the considerable temperature stresses
試驗結果表明:加載初期儲罐內外表面溫差較大且分佈很不均勻,是罐壁產生較大溫度應力的危險時間段。The existing methods of structure design of concrete pavement with lean concrete base are analyzed, proving that the equivalent stiffness method is proper for calculating load stress but not for thermal stress
對貧混凝土基層混凝土路面現有結構設計方法的應力計算進行了分析,發現等剛度法用於雙層板路面的荷載應力計算是可行的,但用於溫度應力計算會引起較大的誤差。The theoretical analysis shows that mz - ifog can be used to detect the rotation rate of moving objects. a systematic analysis of transfer characteristics of mz - ifog is made. performance - limiting factors, including the path - length difference, the disturbance of temperature fluctuation and stress from working environment, the quality of light source, are all discussed along with methods to reduce their effect on the output signal
本文用系統的方法分析了mz型干涉式光纖陀螺儀的光傳輸特徵,指出了其較大的非互易性因素-臂長差的存在,分析了工作環境因素(溫度,應力) 、光源質量(輸出光束中心波長、光功率波動及偏振態波動)對系統工作性能的影響,並指出了減少系統非互易因素、抑制噪聲、提高檢測穩定性的措施。The next this text is based on the appearance theories, according to the characteristics that the temperature dispersion of super thick mass concrete planceer of high - rise building primarily is an even difference in temperature and an even constringency, suppose the level shears are line with the displacement, adopting a big physical volume concrete of planceer in flexibility foundation for plank computing model, from theoretically deducing the difference in temperature of mass concrete contracting should basic formula of dint, and analysis the crack rule and the influence factor of mass concrete temperature contract, and bringing up the theory calculation method about temperature stress of mass concrete and the biggest whole method that sprinkle the length, at the same time according to basic formula of the temperature stress of mass concrete and the concrete construction experience, bringing five technique measures to prevent the temperature crack of mass concrete
其次本文以唯象理論為基礎,根據高層建築超厚底板大體積混凝土承受的溫差主要是均勻溫差和均勻收縮的特點,闡述了大體積混凝土溫度應力理論計算的簡化方法和最大整澆長度的計算方法,同時根據大體積混凝土溫度收縮應力基本公式和大體積混凝土結構施工經驗,提出了防止大體積混凝土溫度裂縫的五項技術措施。最後本文以廈門郵電大廈3 . 5m超厚底板施工為實例,從大體積混凝土溫度應力計算、混凝土保溫材料厚度計算、混凝土配合比的確定,鋼筋工程、模板工程、混凝土的泵送和澆築以及大體積混凝土內部溫度的監測和後期養護等方面進行了理論應用。3 the analysis of temperature effect of super - length tall buildings finite element analysis method is applied in temperature stress calculating problems of super - length tall buildings to make the integral temperature stress analysis in order to overcome the shortages of considerable errors resulted from the simplified hand - made calculating method in the past, and the lacks of structural integrality coming from the local calculations of each component and the other problems similarly involved
三溫度對于超長高層結構影響的整體分析運用有限元方法計算超長高層建築結構的溫度應力,對超長高層建築結構進行整體溫度效應分析,發揮了有限元方法計算能力強、精度高、適用范圍廣的特點,克服了簡化手算方法誤差較大、構件局部計算缺乏結構整體性等不足。Based on the problem that temperature difference has the influence on the internal stress of reinforced concrete pool wall which is a easy to be ignored in actual engineering design, the paper comparatively systematically calculates and analyses the engineering that reinforced concrete pool wall produces crevice after being completed in construction by theory and experiment, discusses the effect that the temperature stress has on reinforced concrete pool, at the same time the hoop strengthening, crevice mending and ultimately consolidating three treatment method is put forward in the pool crevice mending
摘要基於在實際工程設計中溫差的大小對鋼筋混凝土水池池壁內應力的影響是個容易被忽視的問題,運用理論和試驗相結合的方法,通過對鋼筋混凝土水池在施工完成後產生裂縫的工程實例進行較為系統的計算、分析,討論了此溫度應力的影響效應。Furthermore, electric - thermal property can be realized and thermal stress can be reduced in cf cement - based fgm in which the discontinuous carbon fibers are gradient distribution
碳纖維梯度分佈,使得在纖維用量最少的情況下實現了導電發熱功能,並有效地改善了內部溫差和溫度應力,緩解了應力集中。It has been proved by examples of engineering practice that temperature fields did great effect on the stress and line deformation of long - span pc continuous box girder bridges
工程實例表明,溫度場對箱梁的溫度應力和撓度有很大的影響。使用不同的溫度梯度模式計算得到的梁內溫度應力相差非常大。In this paper i have done several worksuch as : coefficient of thermal expansion of frp sheet is larger different thanthat of the concrete. the interface of frp sheet reinforced concrete will producetemperature stress under the circumstance of temperature difference. i n order todesign the reinforced structure and evaluate safely, it is very significant toanalyse the interface temperature stress and to find the changing law of interfacetemperature stress
本文重點分析了frp片材補強混凝土梁界面溫度應力分佈理論,解決補強方面的一些工程問題,主要完成了以下幾個方面的研究工作:首先, frp片材的熱膨脹系數與混凝土的熱膨脹系數相差較大,在環境溫差作用下, frp片材補強混凝土界面將產生界面溫度應力,正確分析界面溫度應力和界面應力變化規律,對補強結構設計和安全評價具有重要的意義。In order to carries on the theoretical calculation to theinterface temperature stress, therefore established the frp sheet reinforcedconcrete beam interface temperature stress quantitative evaluation formula. inorder to confirm the theory the rationality, this paper designed cfrp, gfrp, thekevlar textile fiber has been certain difference in temperature and in the differentlayer interface temperature stress, moreover also has studied in the same layerand temperature difference of the interface temperature stress
為了對界面溫度應力進行理論計算,所以建立了frp片材補強混凝土梁界面溫度應力定量計算公式,為了驗證理論的合理性,本文設計了cfrp 、 gfrp 、 kevlar纖維在溫差一定和不同層數情況下界面溫度應力,另外還研究了層數溫差不等的情況下界面溫度應力。分享友人