plastic yield stress 中文意思是什麼
plastic yield stress
解釋
塑料屈服應力-
Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly
採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，得到了含多裂紋有限大板在任意載荷作用下應力場的級數解，並應用斷裂力學方法確定裂紋尖端的應力強度因子；引入當量屈服應力考慮裂尖塑性區的影響，提出基於帶屈服準則的剩餘強度分析模型，能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響；通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律，得到了一系列對工程應用具有實用價值的結論。 -
Furthermore, according to generalized plastic mechanics theory, a three yield surface model is researched basing on the experiment of other people and the shear yield surface in the stress lode angle direction is researched emphatically. by the new model, the fem program is also worked out in this paper
再者，本文在廣義塑性力學的基本理論框架下，在前人研究的基礎上，建立了一個土體的三屈服面模型，該模型更適合於數值計算，並在此基礎上著重研究了洛德角方向上的剪切屈服面。 -
Elastic - plastic bending induced residual stress and its influence on tensile yield strength of plates
彈塑性彎曲所致殘余應力及其對板料拉伸屈服強度的影響 -
Mapping rheogram and analyzing thixotropy of fresh cement paste with different superplasticizers by measuring the rheologic parameters such as shearing stress 、 yield stress and plastic viscosity. using multi - channel isothermal calorimeter together with non - contacting electrical resistivity device, traditional hydration heat testingl and electrical resistivity testing were connected. using temperature - sensitive of traditional hydration heat model and structure - sensitive of structure formation model, instantaneous formation condition of paste structure was described exactly
`採用多通道等溫量熱儀以及無電極電阻率測定儀，將傳統的水化熱測試與電阻率測試結合起來，運用水化熱的熱敏感性與結構形成的結構敏感性，更加真實地描述了水泥漿體初始結構的瞬時形成狀態;系統全面地研究了高效減水劑對水泥水化過程的調控作用;運用微觀測試方法，深入探討了高效減水劑對水泥水化過程的影響。 -
Nonlinear constitutive relations are discussed for analyzing the stress distribution, the appearance and development of the cracks, as well as the behavior of the boundary conditions of the two way slabs respectively. in the light of the experimental research on r. c. two way slabs under static loading, the behavior of yield line, the load deformation curves and the crack yield, plastic limit loads of slabs with different supporting conditions are studied
根據反映雙向板混凝土材料非勻質性的本構關系，分析了雙向板在荷載作用下的變形、屈服、裂縫和破壞的形態特性，並對鋼筋混凝土雙向板在不同支承條件下的塑性極限荷載、正常使用撓度（曲線）和截面設計作了進一步研究。 -
On the other hand, malondialdehyde ( mda ) in different concentrations significantly increased viscosity, plastic viscosity and yield - stress of blood materials such as human plasma and erythrocyte suspensions
我們發現，不同濃度的丙二醛（ mda ）與戊二醛均能顯著提高生物流體的各項流變性指標。 -
The research indicate that the structured soft clay has below several characteristic, the viscous strain is produced during the stage of primary consolidation and of second consolidation, and in the prophase, the relation of stress - strain - strain rate is unique, so the form of constitutive model, such as, f ( v ', e ) = 0, f ( ' v, e, t ) = 0, ca n ' t describe strain behavior of soil skeleton rationally ; the time - dependent properties involve three aspects, in addition the time - dependent strain, apparent preconsolidation pressures that depend on strain rate, and the effect of creep compression on apparent preconsolidation pressures ; because of holding structural strength, the mechanics characteristic is determined by the magnitude of stress, and the compression curve is composed of several sections. by combining structural yield stress and it ' s characteristics with the improved time line model, a new one - dimensional elastic visco - plastic consolidation model is established
研究結果表明，結構性土的固結過程具有以下特性：主固結和次固結階段都包含有因土骨架的粘滯性移動而產生的變形，而且在正常固結階段，存在應力?應變?應變速率的唯一性， f （ _ v ， e ） = 0 、 f （ _ v ， e ， t ） = 0形式的本構關系不足以描述土骨架的變形行為；固結壓縮過程中的時間效應包括三個方面的內容，除了應力應變關系與時間相關外，還包括粘滯性變形引起表觀前期固結壓力增加和屈服應力的應變速率效應；軟土的結構性使其力學特性與應力水平相關，壓縮曲線具有分段性。 -
This paper uses the method of tensor to proof the tenable condition of generalized plastic potential, discuss the mathematical essential of the associated and disassociated flow rule and the relation of the yield surface and plastic potential surface, reason the expression of plastic factor strictly. debate the limitation on drucker ' s postulate. subsequently, this paper gives the mathematical basis of constitutive theory involving the rotation of principal stress axes. so it is proved that the mathematical and mechanical foundation of the generalized plastic mechanic
本文運用張量的方法論證了廣義塑性位勢理論成立的充要條件，討論了關聯與非關聯流到法則的數學實質，屈服面與塑性勢面的關系，嚴密推導了塑性因子的表達式，討論了drucker公設的局限性，並給出了考慮主應力軸旋轉時土體本構模型理論的數學依據，系統的論證了廣義塑性力學成立的數學力學基礎。 -
It is suggested that the true triaxial test under different stress paths should be performed to derive reasonable anisotropic yield criterion and further to develop nonlinear anisotropic elastic - plastic constitutive model
建議通過復雜應力條件下不同應力路徑的真三軸試驗，建立合理的各向異性屈服準則，進而建立各向異性非線性彈塑性模型。 -
This methodology avoids the operation of mathematical programming in traditional method of shakedown analysis and therefore obstruction due to large scale mathematical programming is overcome. the method for constructing a residual stress field based on the elasto - plastic analysis for soil structures do not need the linearization of the yield condition. the accuracy of numerical solution depends on elasto - plastic analysis
鑒于以上原因，本文深入、系統地研究了結構安定性分析的數值理論和計算方法，在此基礎上，基於經典安定理論建立了安定性分析的數值計算方法，並將其運用到巖土工程中地基的靜、動力穩定性評價中。 -
It ' s we1l known that the windshield material is an organic material. it shows visco - plastic behavior which is that the stress - strain curve, the yield stress and the limited stfess varied with the material deformation rate
眾所周知，風擋材料為有機材料，一方面呈現出粘彈塑性特性，即材料的應力應變曲線、屈服應力、破壞應力都隨著材料變形速率的變化而變化。 -
Cone - based rheometer was modified to estimate the rheological properties of fresh mortar, which can measure yield stress and plastic viscosity of mortar in relative units. effects of many factors on rheological properties of mortar were studied. a set of test theory and method for designing rheological properties of mortar was recommended
用它研究了各種因素對砂漿流變性的影響；證實了砂漿的屈服應力與塑性粘度是互相獨立的物理量，屈服應力決定變形能力，塑性粘度決定變形速率；為砂漿流變性設計提供了一套測試理論和方法。 -
That the arched roadway with the ratio of 0. 2 between arch rise and roadway width is substituted fur rectangular roadway can obviously improve the stress state of roadway surrounding rocks, reduce the deformation and the plastic yield area of roadway surrounding rocks, greatly strengthening the stability of roadway surrounding rocks
採用矢跨比為0 . 2的圓弧拱巷道代替矩形巷道，可顯著改善巷道圍巖應力狀況，減小巷道圍巖變形量，減少圍巖塑性屈服區域，加強巷道圍巖的穩定性。 -
Duncan e - b model and " nanshui " double yield faced elasto - plastic model are used for analysis of the characteristics of stress and deformation in the faced rockfill dam of huangshitan
採用duncane - b模型和「南水」雙屈服面彈塑性模型對黃石灘面板堆石壩的應力變形特性進行了分析。
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