shear intensity 中文意思是什麼

shear intensity 解釋
剪切強度
  • shear : vt vi (sheared 〈古語〉 shore; shorn sheared)1 剪(羊毛等);修剪(樹木);剪(呢絨的)長毛。2 ...
  • intensity : n. 1. (思想、感情的)強烈,激烈。2. 強度。3. 【攝影】(底片的)明暗度。
  1. Papers also points out that the size of the adscititious powder agglomerate enwrapped by pure al melt, the effect and intensity of stirring shear force and the melt temperature at the beginning of reaction between the adscititious powder and al melt are the main factors affecting the in - situ reaction ongoing velocity

    並指出了影響反應進行速度的主要因素是熔體中分散包裹的加入粉末團的尺寸大小、有無攪拌剪切力作用、反應進行時的熔體溫度。其中,粉末團尺寸大小與徹底完成反應所需時間的關系最大,大尺寸粉末團將大大延長反應時間。
  2. The appropriate maximum stories and the appropriate maximum height of buildings are determined by using the various of control index, such as period, shear - compression ratio, allowable value of drift angle etc when earthquake fortification intensity is 8 degree

    用各項控制指標,如周期、剪壓比、軸壓比、層間位移角等進行對比分析,給出在8度區該結構的最大可建造層數和最大適用高度。
  3. Objective to investigate the effects of fluid shear stress on il - 8 gene in human umbilical vein endothelial cells ( huvecs ) and the roles of time course of low shear stress and intensity of fluid shear stress using lightcycler ? system ; to investigate the gene expression profiles in huvecs exposed on low shear stress ( 4. 20 dyne / cm2, 2 h ) and incubated by 17 p - estradiol ( 10 - 7 m ) + low shear stress ( 4. 20 dyne / cm2, 2 h ) using the cdna microarray approach. methods endothelial cells were isolated from human umbilical cord veins by collagenase treatment as described by jaffe and modified

    目的探討人臍靜脈內皮細胞( humanumbilicalveinendothelialcells , huvecs )在流體切應力作用下il - 8基因的誘導表達以及切應力的作用時間和作用強度對il - 8基因表達影響的變化規律;利用表達譜基因晶元技術研究內皮細胞在低切應力( 4 . 20dyne cm ~ 2 , 2h )作用下其切應力相關基因的表達情況以及生理濃度( 10 ~ ( - 7 )的17 -雌二醇孵育內皮細胞48h ,再經同樣條件的切應力處理后對內皮細胞切應力相關基因表達的可能影響。
  4. The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm

    結果表明:此次霍山暴雨發生前後,存在明顯的大強度低空急流,並受到中尺度切變線的影響,而且正渦度的加強引起了輻合加劇,提高了上升速度從而引起降水,同時暴雨發生前螺旋度的迅速增強,也為預報提供了根據,另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。
  5. This paper related to a practical project that a high school is big bay building with teaching, experiment and studying, aim at the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), and the building loading much ( the building " self - weight is over the 9. 0 kn / m2 ). compared to r. c. rectangle columns, studying the aseismic performance of the r. c. special - shaped columns pure frame structure, the r. c. special - shaped columns frame - truss structure and the r. c. special - shaped columns frame - shear wall structure

    本文,結合某中學大開間教學實驗綜合樓的具體工程,就抗震設防烈度較高地區( 8度)和抗震不利的建築場地(類場地) ,並且建築物所受荷載較大的情況(建築物自重超過9 . 0kn m ~ 2 ) ,通過與矩形柱分析比較的方式,研究了異型柱純框架結構、異型柱框架-桁架結構,以及異型柱框架-剪力墻結構的抗震性能。
  6. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  7. This article discussed the application of shear stress pairing method to evaluation dam base vibration liquefaction of earth - fill dam according to the problem that the sand and gravel layer of main dam base could be liquefied in the condition of seismic intensity grade vll in the design of nierji hydro project

    本文結合尼爾基水利樞紐工程設計中主壩壩基砂礫石層( < 5mm含量> 30 =在地震裂度級工況下可能發生液化的問題,探討了用剪應力對比法在評價土壩壩基震動液化中的應用。
  8. Abstract : the effective shear stress of sediment transport is analyzed theoretically and tested by experimental data. the result shows that the effective shear stress is neither the overall shear stress nor the sand grain shear stress, but the geometric mean of these two stresses. the effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power

    文摘:本文通過理論分析及實測資料檢驗表明,無論對於何種泥沙運動狀態,決定泥沙運動的有效切應力既不是沙粒切應力又不是全部切應力,而是介於兩者之間,近似為沙粒切應力與全部切應力的幾何平均值.這一有效切應力不但是對切應力類水流強度指標的總結,還可以概括平均流速和水流功率等水流強度指標
  9. Numerical results show that the bubble concentration distribution can be predicted by using the two - way coupling of the fluid and the bubble motion, and adding the wall lift force into the bubble motion equation, and the fluid velocity, turbulence intensity and shear stresses modified by the bubble motions can also be revealed

    數值模擬結果表明,通過加入壁面升力和採用雙向耦合方法,可以較準確地預測氣泡濃度分佈和揭示氣泡流動對流體湍流結構的影響。
  10. This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization

    摘要研究了確定設計地震動參數中涉及的若干問題,其中包括基巖水平加速度反應譜衰減關系的選擇、震源深度對基巖水平加速度峰值及基巖反應譜曲線的影響、強度包絡線函數及輸入隨機相位的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應譜的標定等問題。
  11. To guarantee the stability of the frame in strong earthquake motion, and on the basis of analysis on the concept of “ capacity design ” in the above three countries seismic design provisions, it is advised that the moment amplification coefficients at the bottom sections of columns for the frame structures in some seismic intensity be increased to reduce the possibility of the frame column yielding. taking the above three countries seismic codes as reference, it is recommended that it be added details of seismic design by using diagonal shear reinforcement to safeguard beams against sliding shear failure, when the positive - negative shear forces are reverse and the ratio is high

    為了保證在大震作用下框架結構的穩定性,借鑒國外規范「柱-梁承載力級差系數」的思想,本文提出了對部分抗震等級的框架結構的柱端抗彎能力增強系數應予以提高,以降低框架柱屈服的可能性;參照國外有關規范的發展,本文建議對于正、負剪力反向且比值較大的框架梁宜增加交叉斜筋,以防止沿垂直裂縫發生嚴重的剪切錯動。
  12. As for traffic load, two situation were analyzed, symmetrical load and asymmetric load, in each of them, crack top ' s tension stress, shear stress and stress intensity factor were calculated, also the effect of structural parameters were analyzed

    把交通荷載分為對稱荷載和偏載兩種情況,計算了裂縫尖端的拉應力、剪應力以及強度因子,並對路面結構進行了參數分析。
  13. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  14. A deep beam model with spring bearing is given, based on the analysis of middle frame of frame and shear wall structure ground floor, which is sensitivity to floor rigidity. comparing rigid assumption to elastic assumption, shear error of frame is worked out, which is index of floor rigidity. conclusions are drawn that floor rigidity is independent of earthquake intensity and the most effect factor to floor rigidity is floor length to width ratio

    以樓板按剛、彈性計算的框架柱的剪力誤差值作為衡量樓板剛性的指標,通過對模型進行理論分析證明以往一些只能通過歸納總結得出而沒有理論支持的結論:樓板的剛性同地震烈度無關;通過對影響樓板剛性的各個因素進行分析比較,得出樓板的長寬比是影響樓板剛性的主要因素,而增加樓板的厚度並不是增加樓板剛性的有效途徑。
  15. Numerical models were used to study how the infiltration into a slope varies with the rainfall intensity, rain fall duration, soil properties and how the infiltration influences the stability of a slope. a numerical program is coded to solve the transient seepage field by using the finite element and finite difference methods based on the saturated - unsatured soil seepage theory. a model for considering the variations of soil weight and shear strength is created / constructed and the corresponding program is coded

    本文針對受降雨影響顯著的非飽和殘積土土坡,運用飽和?非飽和土壤水分運動的理論和二維非穩態滲流有限元模型,模擬雨水入滲引起的暫態滲流場,將計算所得到的暫態孔隙水壓力分佈用於考慮了基質吸力影響的土坡穩定安全系數的計算當中,建立了考慮非飽和土土坡從雨水入滲到出現滑坡危險全過程的計算模型。
  16. Three factors, that beam reinforcement relative diameter, concrete intensity, axial compression ratio are considered in the model of slip of longitudinal reinforcement passing through joint, and the correlation between shear deformation and cycle number are simulated four factors that concrete intensity, axial compression ratio, shear compression ratio, hoop reinforcement characteristic number are considered in the model of joint shear deformation, and the correlation between joint shear deformation and cycle number are also simulated

    貫穿節點梁筋的滑移模型考慮了貫穿梁筋的相對直徑、混凝土強度及軸壓比三個因素,並根據試驗結果模擬出滑移量隨循環次數的變化規律。節點剪切變形模型考慮了混凝土強度、軸壓比、剪壓比、節點配箍特徵值四個因素,並根據試驗結果模擬出節點剪切變形量隨循環次數的變化規律。
  17. Maximum intensity of shear

    最大切應力
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