plastic stress 中文意思是什麼
plastic stress
解釋
塑性應力-
The mechanisms summarized are as follows 1 ) compressional normal stress ; 2 ) ductile and / or viscous deformation in bedding fault since incompetent bed is susceptible to plastic flow ; 3 ) higher likelihood of clay / shale smearing ; 4 ) foliation fabric whose sealing capacity is enhanced greatly in direction perpendicular to foliation
其機理可歸納為四個方面： 1 ）壓性的正應力； 2 ）以韌性及粘性變形為主，因為非能幹巖層易塑性流變； 3 ）塗抹效應強； 4 ）面理化組構，垂直面理方向的封閉能力大大增強。 -
Non - coaxial plastic flow theory in multi - dimensional stress state
復雜應力狀態下巖土體的非共軸塑性流動理論 -
In order to confirm the stress of the plastic screw gear, it is necessary to modify the straight design formula 1 and 2, so as to compensate the contact pressure caused by different gear shape
為確定作用在塑料螺旋輪所受的應力，需要修改直輪設計公式1和2 ，以補償二者之間形不同而所受的接觸壓力不同。 -
The content of this thesis, through the deformation destruction process of th e typical nanlidu landslide along the national highway 318, uses the finite unit a nalysis of computation, revealing the elastic, plastic stress and displacement of each joint inside the slide area pointing out the distribution range of the tension stress and the plastic deformation range, computering the stability safety factor of the slide area, gaining the fixed quantity, quota that evaluates the stability of the slide area, revealing the position of the slide area which is most likely to los e its stability, thus, it can provide theoretic proof for the programs which renova te landslides
本文的研究內容是通過318國道南里渡典型滑坡的變形破壞過程，採用有限元計算分析，揭示滑體內部每個節點上的彈、塑性應力及位移，找出拉應力分佈區和塑性變形區，計算滑體穩定安全系數，得出衡量滑體穩定的定量指標，揭示滑體最可能失穩的部位，從而為滑坡整治方案提供理論依據。 -
This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures
考慮在各種荷載工況作用下無粘結筋極限應力增量的變化規律，並與理想的彈塑性模型相比較，最終得出以理想彈塑性模型計算各種荷載工況作用下無粘結筋極限應力增量的回歸公式，從而為預應力混凝土多跨連續結構的無粘結筋應力設計計算提供有益的參考。 -
The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter
本文首先從梁極限狀態下的變形入手，將塑性鉸區看作純彎段，將塑性鉸以外的區域看作剛體，按照體外預應力筋的形狀不同，分工程中最常見的三種體外結構形式，即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁，研究體外預應力筋變形和梁體的變形間的關系，推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式，並進一步求得梁的極限承載力。 -
Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results
利用虛位移原理和更新的拉格朗日方法，導出了大位移彈塑性梁單元剛度矩陣的顯式表達式，在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響，剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響，是因為本文認為，保持平衡所需的所有應力，它們各自的二階效應會相互抵消，因此忽略其中的任何一項都可能導致不正確的結果。 -
While cyclic deformation experiment under constant strain control is performed in 400, the material shows the continuous hardening until cyclic invalidation. ( 3 ) back stress attained by kwl " s method is used to analyse the bauschinger effect during an incremental step cyclic test and cyclic deformation test under constant strain control, it is shown that back stress increases with increasing plastic strain and the numbers of cycle, and the back stress is uniform, regardless of tension or compression conditions. ( 4 ) as far as recrystallized zircaloy - 4 plate is concerned, the back stress in transverse direction is higher than that in rolling direction due to the higher schmid factor in rolling direction
對于再結晶狀態的zr一4合金板材試樣來說， t方向（橫向）試樣的背應力要高於r方向（軋制方向）的背應力，原因在於r方向的schmid因子高於t方向的schmid因子; 400下， zr一4合金的背應力要明顯低於室溫下的背應力;含氫200pg / g的zr一4合金的背應力大小與無滲氫的zr一4合金背應力相比，無明顯區別;固溶處理后， zr一4合金的背應力大小發生了變化，在較高塑性應變下，背應力均高於固溶處理前的背應力。 -
According to the complication of cyclic loading the aeolotropism and bauschinger effect resulted form plastic deformation were reflected by the kinematic hardening model, the transient stress - strain relation was described by jhansale model in the iterative formulas
在迭代格式中，針對復雜的交變載荷，採用運動強化模型，反映了塑性變形引起的各向異性和包辛格效應，運用jhansale模型描述材料的瞬態應力應變關系。 -
For the sake of realizing the structural lightweighting design on ball cage patterned constant speed universal joint, taking the maximum contact stress of ball cage patterned constant speed universal joint, overall contacting deformation and plastic deformation as foundations, a preliminary study was carried out respectively on two kinds of ball cage patterned constant speed universal joints with their number of balls as 6 and 8
摘要為了實現球籠式等速萬向節的結構輕量化設計，以球籠式等速萬向節最大接觸應力、接觸總變形和塑性變形為依據，分別對鋼球數量為6和8的兩種結構的球籠式等速萬向節進行了初步研究。 -
The solutions include : the unit normal vector of the elastic - plastic boundary near the crack line, the elastic - plastic stress fields near crack line, law that the length of the plastic zone along the crack line is varied with an external loads, the maximum lengths of the plastic zone, the bearing capacity of a finite plate with an eccentric crack loaded by shear forces
這個解包括：裂紋線附近彈塑性邊界上的單位法向矢量，裂紋線附近的彈塑性解析解、最大塑性區長度、裂紋線上的塑性區長度隨荷載的變化規律及其承載力。 -
In this paper, the numerical techniques and computational methods for limit analyses and shakedown analyses of soil structures and foundations are systematically investigated and then are employed to the assessment of the safety of the non - homogeneous foundations and the offshore platform foundations. in this dissertation, the computational method which combines elasto - plastic analysis with melan ' s theorem is developed and then applied to evaluate limit load and shakedown load of soil structures. elasto - plastic analyses are performed to obtain elasto - plastic stress field and elastic stress field
在巖土工程領域，飽和粘土的安定現象與飽和砂土的液化早已為人所知，但是安定性理論及其分析在工程實際中並沒用受到足夠的重視，在這方面的探索研究也極為有限，這與土體穩定性評價中廣泛應用極限分析方法極不協調，而在海洋平臺地基等實際工程中安定性問題又顯得十分重要。 -
To ensure the safety of the dam and provide the technology for the decision during the process of construction and store water. in this article, the elastic - plastic stress - deformation of dam is calculated and the consolidation is analyzed. including the rock - fill dam, the stress and deformation distribution of cut - off wall, the deformation of sloping core, the incresment and subduction of pore water pressure and the effective stress situation calculation
為確保大壩安全，並為大壩施工期和蓄水期運行決策提供必要的技術支持，本論文根據上壩土料的應力一應變一強度特性、滲透和固結等特性，對壩體進行了彈塑性應力變形計算和固結分析，包括大壩堆石體、防滲墻的應力及變形分佈和斜心墻的變形、孔隙水壓力增長及消散和有效應力狀態計算等。 -
The model adopts eight - nodes isoparametric quadrilateral element, drucker - prager ideal elastic - plastic stress - strain model and the contact element, which is used to simulate the interface between the wall and soil. accordingly, a flow chart about the arithmetic of contact is introduced in this paper
模型採用八結點等參平面四邊形單元、 drucker - prager理想彈塑性本構模型以及用接觸面單元模擬了土與圍護結構的相互作用，並給出了相應的接觸面模擬的接觸演算法流程。 -
By taking it into no consideration the repugnant forces for safety support conditions and regarding elastic - plastic stress radius as being variable, the interaction between the elastic - plastic stress of no. 1 qinling tunnel and the stress radius is deduced through an analytical method, providing some reference for tunnel construction and safety support
在不考慮支護反力的條件下，將彈塑性應力半徑作為變量，分析秦嶺號隧道彈塑性區應力隨半徑的變化規律，為隧道的施工及支護提供參考。 -
Plastic stress surface
塑性應力面 -
Along with the development of the economy, all types of engineering project are being constructed, at the same time, the requirement of stress and strenth of soil is being more rigorous, so developing model which can display visco - elastic - plastic stress - strain relation nicely is very important
隨著經濟建設的發展，各種各樣的建設項目不斷上馬，同時，對土體變性和強度的要求也越來越高，所以建立能夠如實反映土體粘彈塑性本構關系的模型具有重要的意義。 -
Plastic stress function
塑性應力函數 -
To alleviate the defects in metallic sls, numerical and experimental studies were carried out detailed on the features of temperature field as well as thermal elastic - plastic stress and strain during metallic sls process
因此，本文針對ni - cu基多組元混合粉末選擇性激光燒結溫度和應力應變的變化規律和特點開展了系統深入的數值分析和試驗研究。 -
In this paper, stress and strain are analyzed in elastic - plastic bending process of plate, and a viewpoint is put forward in with plastic stress and strain neutral layer displace toward inside, and coincide with elastic stress and strain neutral layer when big curvature elastic - plastic bending process is come into being of plate on the basis of the theory of plane curving pole in the material mechanics
摘要通過對板料彈塑性彎曲應力應變分析，利用材料力學中的平面曲桿理論，提出了板料大麴率彈塑性彎曲塑性應力應變中性層和彈性應力應變中性層均向內移動並重合的觀點。
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