正剪力 的英文怎麼說
中文拼音 [zhēngjiǎnlì]
正剪力
英文
positive shear-
Based on the philosophy of capacity design, the formulas of overstrength of coupled - shear wall were established to offer the theoretical references for the evaluation on the seismic performances of the shear - wall structures designed by current building codes based on bearing capacity method under severe earthquake, which has been proved correct by the results of nonlinear full range analysis
摘要基於能力設計原理，建立了聯肢剪力墻結構極限承載力的超強計算公式，為按現行規范以承載力設計的剪力墻結構評估其在罕遇地震下的抗震性能提供理論依據，並結合實際工程中剪力墻的計算和非線性分析結果，證明了本文方法的正確性。Abstract : it presents the law of “ the reverse is positive ” on how to evaluate the unknown force of statically determinate structure, the movement law of force vector for drawing the axial force diagram and shear diagram. and expounds the simple and convenient method of drawing the moment diagram according to the rubber band deformation, and the auxiliary teaching software corresponding to the above - mentioned methods. the methods are believed to save class hour and gain a better effect on teaching
文摘:闡述了求靜定結構未知力的反為正規律；繪制軸力圖、剪力圖的力矢移動法則；按照橡皮筋變形繪彎矩圖的簡便作法以及與上述方法對應的計算機輔助教學軟體.相信這樣作，對教學可起到省課時、效果好的作用Therefore, the safety of bulk carrier is widely concerned ; the theory of insubmersibility is followed by the introductions of domestic and international regulations, solutions, rules and requirements on the floodability ; introduced are the conditions of hold in flooded condition, and provided are the calculation methodology of the stability and buoyancy when flooding. the concept of cargo permeability is concretely defined, and the calculation methods of the amount of flooding waters are executed ; the application of the influence numbers simplify the calculation of the still water bending moment and shearing force in flooded conditions. a new method to calculate the maximum still water bending moment and shearing force is developed by means of the influence numbers ; the simulation system provides a means of evaluation and forecast on ship ' s danger extent after ship is damaged
在抗沉性公式的推導過程中採用一些假設，並分析了這些假設對結果的影響；然後介紹了船舶強度的概念和計算方法，鑒于現有的剪力彎矩計算方法工作量大、效率不高的缺點，引用影響數計算船舶進水后的剪力和彎矩；最後根據船舶抗沉性理論對散貨船破艙進水進行模擬，在模擬中根據船舶破艙的實際危險情況，採用直觀的圖形輸入的辦法，判斷船舶的危險程度並計算船舶到達危險狀態的時間以助於船長做出正確快速的決策。Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand
利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗，研究表明，對于松砂，剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾，對于緊砂，剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾；經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。While the strain is affected by the initial mean effective
但剪應變卻與初始有效平均正應力有關。The stress components in different planes are generally different both in directions and magnitude
摘要過應力空間一點的不同斜面上的正應力、剪應力以及全應力會隨著斜面的變化而變化。In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface
本文從剖析剛體極限平衡法的理論基礎、計算方法、參數選取、適用條件等方面入手，剖析了剛體極限平衡方法的3點自身缺陷和6點不足，並在此基礎上採用了剛體極限平衡法（平面滑動破壞法、 sarma法、傳遞系數法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法）與大型有限元法對比研究的方法，分析研究了平面直線型滑坡、平面折線型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑性參數、滑麵塑性參數） 、滑床的彈塑性、以及極限平衡法無法考慮開挖應力釋放等因素對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全系數的解答的差異。The author advances that the shear connector is simulated by two spring elements, which are vertical to each other and parallel to the interface between steel and concrete, and one multipoint constraint element, mpc element, which is vertical to the interface. the author also puts forward that the crack of the deck is simulated by the gap element which ca n ' t support longitudinal tensile force but can support longitudinal compressive force
提出了以正交的兩個平行於鋼和混凝土界面的彈簧單元及一個垂直於界面的多點約束（ mpc ）單元來模擬剪力鍵，以小間隙接觸（ gap ）單元來模擬混凝土橋面板的開裂，模型中忽略了混凝土板與鋼梁接觸面間由摩阻而產生的粘著力。The result proves that composite beams with partial shear connectors have better performance to support fatigue load in that they can hardly be destroyed under general fatigue load if the welding quality is reliable
試驗結果表明，重復荷載作用下的部分剪力連接組合梁具有良好的抗疲勞性能；在焊接質量有保證的情況下，處于正常使用范圍內的疲勞荷載作用下的部分剪力連接組合梁幾乎不會發生疲勞破壞。The slip between the concrete slab and the steel girder of complete - shear - connection prestressed steel - concrete composite beams is small enough to justify the assumption of complete interaction between the interface under service load
按完全剪力連接設計的預應力組合連續梁的界面滑移很小，在正常使用階段，可以認為組合截面整體共同工作。After library researches and test, we have applied the new material to shear wall of a multi - story residential building, and inspection and test results have proved the success
試驗研究后，在高層住宅樓的剪力墻板中進行了實踐應用，經檢測，試驗數據完全正常，達到了預期目的和要求，較為成功。This variation of stresses is due to the action of in - plane shear strain in the plate, which is termed “ shear - lag ”. stresses larger than the elementary bending uniform stress thus develop at the web - flange connection. an appropriate reduced “ effective width ” of the plate - with the uniform stress equal to the maximum longitudinal stress - has been widely used by engineers in conjunction with the elementary beam bending theory
但實際上翼緣中剪切變形是不均勻的，由此導致正應力沿橋寬呈曲線分佈，從而引出了有效寬度的概念，即按初等梁理論的公式也能得與真實應力峰值接近相等的那個翼緣折算寬度。The stability, rheology, chain structure and consecutive medium model in magnetorheological fluids are analyzed. according to the contribution of shear stress and normal pressure in polishing zone, the quantificational machining model of mrp is presented. as an example of plane workpiece, the influences of machining parameters on removal rate and surface roughness in mrp are studied
5 、磁流變拋光（ mrf ）是超光滑光學表面的一種新型加工技術，本文從mrf的磁、力學性質出發，研究了磁流液的穩定性、流變效應、鏈化結構和連續介質模型；根據拋光區內剪應力、正壓力的分佈特徵，提出了mrf的定量加工模型；然後以平面工件的磁流變拋光為例，揭示了工藝參數對材料去除率和表面粗糙度的影響規律。In elementary beam bending theory, it is assumed that the stresses are constant through the width of the beam. however, for the wide flange girders, the stresses are not uniform
按照初等梁理論即假定翼緣板具有無限抗剪剛度，寬翼緣箱梁在荷載作用下翼緣的正應力沿著寬度方向上是均勻分佈的。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。The analyzing result by thin plat e element from universal program will result in lack of pertinence and incorrect output of transverse shear force. in order to decrease the deformation of raft and prevent the destruction of structure, the designer prefer to adopt conservative methods to increase the raft foundation ' s thickness and reinforcing bars which will lead to waste of building materials
因此用一般通用程序中的薄板單元進行分析，除存在針對性不強的弊病外，而且不能正確地輸出板的橫向剪力，設計者寧可採取保守的做法，為減小基礎的變形，防止結構的破壞，一味地增加板厚和配筋量而造成材料的很大浪費。The longitudinal stresses in the tunnel structure calculated by using the model of tamura & okamoto are obviously greater than the stresses in transverse direction obtained by using two dimensional finite element analysis. it is proposed that the axial and bending stresses should not be ignored for the underground structural design
計算結果表明，由彈簧質量模型算得的地下結構在地震作用下縱向振動和橫向振動產生的縱向和彎曲正應力及剪應力明顯高於由二維平面有限元算得的橫向平面內產生的正應力和剪應力，由此可見軸向應力和彎曲應力是地下結構抗震設計中不容忽視的因素。Ami - sliding safety factors are attained when total sliding force and total anti - sliding force are calculated through normal stress and shear stress acting on the element interfaces
其次，利用剛體彈簧元法求解單元交界面上的正應力和剪應力，從而積分求得滑移路徑上的總滑動力和總阻滑力，進而求得各滑動面的抗滑安全系數。The information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method
摘要利用坐標變換法證明了一般三維塑性流動問題任意點應力狀態，可以完全由三維最大剪應力跡線上的信息確定，進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線正應力的變化規律。Abstract : the information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method
文摘:利用坐標變換法證明了一般三維塑性流動問題任意點應力狀態，可以完全由三維最大剪應力跡線上的信息確定，進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線正應力的變化規律。分享友人