高應力的 的英文怎麼說
中文拼音 [gāoyīnglìde]
高應力的
英文
heavily stressed-
Analytical method to calculate the stresses in the rotator of a high - shear homogenizer
高剪切均質機轉子應力的解析法分析The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased
本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接時,葉片焊后殘余拉應力出現在焊縫及其附近區域,並且在葉片出水邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段焊時,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。There is a diminishing difference in the shearing stress with rising pressure.
隨著壓力的升高,切應力的差值減小。Firstly, to the issue of the power legalization existing in the cuture of chinese traditional organization management, the thesis puts forward a establishment of rational and valid power to build the authority of the leaders in government phurchase organization. secondly, to the issue of the validity of the power, the thesis proposes to improve the validity of the power through the proper control towards the " uncertain factors " in the internal organization
其一,針對我國傳統組織管理文化中遺留的組織內部權力合法性的缺乏問題,提出應建立合理合法的權力以樹立政府采購組織中執權者的權威;其二,針對我國政府采購行政組織中權力的有效性不足問題,提出通過對組織內部「不確定性因素」的適當控制,來提高權力的效力。Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element
通過對比有限元計算結果和試驗數據,分析得出塑料土工格柵筋材的最大動拉應力的分佈與靜拉應力的分佈沿筋材的埋深大致相同,只是應力的值大小不同;地震作用下土筋間的動似摩擦系數是隨地震加速度的增加而減小;模型沿墻高方向的加速度響應等。接著,根據模型動力有限元時程分析結果和模型試驗數據的比較分析,得出由土體單元、接觸單元和筋材單元組合的塑料土工格柵加筋土非線性動力有限元分析模式的合理性。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Abstract : this paper discribes the principle of rook acoustic emission techniques. some applications such as insitu rock stress measuring, locating high stress zone, predicting roof falling and evaluating rook stability are presented
文摘:論述了巖體聲發射技術的基本原理,介紹了其在采礦工程中的若干應用成果:地應力測量、高應力區圈定、冒頂預測預報、穩定性評價。( 2 ) the crack load increases with the increase of the amount of the prestressing steel or the tensioning stress
( 2 )預應力筋用量的增加、張拉控制應力的增大使預應力框架梁、柱的開裂荷載提高。The results indicate that the ratio of span to rise, the ratio of reinforcement and the stretching controlling stress are the three primary influencing factors to the failure pattern of the slab. in addition, the relationships between the ratio of deflection to span and the ratio of span to rise and the stretching controlling stress submit to linear curves, the relationship between the ratio of deflection to span and the ratio of reinforcement submits to a quadratic parabola curve
運用數值分析程序計算了175組不同跨高比、配筋率、張拉控制應力的中強( 1270mpa )螺旋肋鋼絲預應力空心板,結果表明跨高比、配筋率、張拉控制應力是影響空心板破壞形態的主要因素,且構件撓跨比與跨高比和張拉控制應力呈線性關系,與配筋率呈二次拋物線關系。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。In the following finite element computation of thermal - structural strength of an improved designed radome, not only a result consistent with the tests are achieved, and also obtained displacement of the radome is well meeting the test data, well demonstrating a high accuracy of the finite element method and confidence of its results ; and studying on the temperatures and stresses on the radome leads to some valuable conclusions and suggestions to further development, laying a sound foundati on for further improvement of structural reliability of the radome
在接著進行的改進方案天線罩靜熱強度有限元計算中,不僅得出了與試驗結果一致的結論,而且天線罩位移的計算值與試驗數據得到了比較好的吻合,驗證了有限元計算的精度及其結果的可信性;並且通過對天線罩溫度與應力的研究與分析,得出了一些有價值的結論與建議,為導彈天線罩可靠性進一步提高打下了堅實的基礎。Thermal expansion and its evolution of c / sic composites have been studied by such analytical methods as thermal dilatometer and sem, based on thermal stress and micro structure evolution in c / sic composites. the influence of perform structures, heat treatment and interphase thickness on thermal expansion of c / sic composites has been analyzed
本文採用熱膨脹儀和掃描電鏡( sem )等分析手段,從材料界面熱應力的變化和微結構改變的角度,研究了c sic復合材料的熱膨脹系數及其隨溫度的演變規律,分析了其演變機理,以及編織結構、高溫處理工藝和界面層厚度等對復合材料熱膨脹行為的影響。Further more, the fracture possibility is analyzed with fracture mechanics after the stress calculation of local high stress area around the bolt hole in shell flange and the measurement of fracture toughness of gray cast iron. the improving structure of bolts connected head and shell flange is brought forward
此外,在計算獲得缸體法蘭螺栓孔局部高應力區的應力水平后,由斷裂力學分析發生脆性斷裂的可能性,並提出烘缸缸體與缸蓋聯接結構的改進方案。Initially all structures were prestressed by high-strength bars.
起初,每個橋梁都是通過高強鋼筋施加預應力的。Water detection and release safely in high stress district of isolated island face
孤島高應力區內的安全探放水The prevention and control of rock burst are of great significance for safely exploiting deep deposit in high - stress area
摘要巖爆的預防和控制對深部高應力區礦床的安全開采具有十分重要的意義。The ratio of the diameter of nozzle to the diameter of vessel has greater effect on the distribution area of high stress in plastic deformation stage
對于均處于塑性階段的結構而言,開孔率的大小對高應力區的分佈范圍影響較大。Moreover, the slip dislocations were generated in the direction of [ 110 ] and [ 112 ] on [ 111 ] plane, which were most possible for dislocations to slip
發現矽片中位錯與高應力區相對應,位錯的產生主要是熱應力作用的結果,並且位錯沿[ 110 ]和[ 112 ]易滑移方向產生。The surface loading of the mountains and the associated root of thickened crust produce horizontal deviatoric tension in the strong upper crust. in contrast, the deep, dense lithospheric root and its associated downflexing of the surface produce horizontal compressive deviatoric stress in the strong near - surface layer. the actual state of stress in the strong layer of the upper crust is the combined effect of these two opposite stress systems together with bending and other local and regional stresses such as due to ridge push
模擬結果表明:由於均衡機制,造山帶下部的低密度山根促使地殼隆升、造山,山根是地殼剛性層中張性構造應力的主要力源;與此相反,冷的高密度巖石圈向軟流圈插入、拆離、下沉,從而形成巖石圈根,它引起擠壓造山和巖石圈地幔物質的重新調整,也是地殼剛性層中擠壓性構造應力的主要力源。Theuse of permanent backing bars in highly stressed welds in hullstructures is to be avoided as far as possible
例2 :船體結構中,凡承受高應力的焊縫,應盡量避免採用固定墊板連接。分享友人