塑性理論 的英文怎麼說
中文拼音 [sùxìnglǐlún]
塑性理論
英文
perfectly plastic theory-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。Abstract : on the basis of general principles of mechanics and critical state soil mechanics theory, a theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil is derived by means of combining hypoplasticity with critical state soil mechanics. the formula has a simple form and is only related to the effective angle of internal friction of soil. there is a slight difference between the calculated value of the formula and that of other formulae. the further investigation of the formula shows that it can be used to determine the coefficient of earth pressure at rest of cohesionless soil
文摘:在滿足一般力學原理和臨界狀態土力學理論的基礎上，本文將亞塑性理論與臨界狀態土力學相結合，推出了一個計算無粘性土靜止土壓力系數的理論公式.該公式形式簡單，僅與土的有效內摩擦角有關，其計算結果與常見的多個經驗公式的計算結果只有微小的差別.文中討論結果表明，該公式可用於確定無粘性土的靜止土壓力系數Study on pillar ' s plastic zone based on elasto - visco - plastic theory
煤柱塑性區的彈粘塑性理論分析First, mathematical expressions for hoop strain based on linear elasticity theory and deformation plasticity theory, and thus diametral strain is derived
模型推導過程是：首先根據線性彈性理論和變形塑性理論推導出周向應變的數學表達式，進而導出徑向應變。Plastic theory suggests, the composite beam for the floorslab is suited lower flange, it s plastic limit moment cuts down by 52. 4 % than the composite beam for the floorslab is suited on the top flange. it s plastic limit moment lifts 8. 8 % than the steel beam, which is on the same condition
塑性理論分析的結果表明，樓板位於鋼梁下翼緣形式的組合梁和樓板位於鋼樑上翼緣形式的組合梁截面相比較，其塑性極限彎矩降低52 . 4 ，和同等條件下純鋼梁截面相比較，樓板位於鋼梁下翼緣的組合梁塑性極限彎矩提高8 . 8 。By means of the finite element inverse analysis, based on stress - strain theoretical equations of the elastoplasticity and viscoelasticity - viscoplasticity, the change of the valley - side margin stress distribution during original state, the condition of human cutting a terrace of building houses in the loess slope, and the condition of cutting the top of loess slope is elucidated
3 .基於粘彈?粘塑性理論的本構方程，運用有限元方法進行反演分析，闡明了宅基邊坡谷緣在天然條件、斬坡建窯條件下和削坡條件下的應力場變化特點。結果表明，谷緣在斬坡建窯條件下拉張應力和剪切應力增大是導致崩塌產生的根本原因。According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile
根據彈塑性理論，運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算，獲得樁端承載力與樁長（埋置深度） 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系，並採用數理統計方法，對81組ansys模擬試驗結果數據進行回歸分析，得到有限元法確定樁端極限承載力的回歸公式，並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析，得到大直徑樁端阻的尺寸效應系數計算公式。According to the practical geological model of slope, by means of the finite element analysis, from the constitutive equations of the elastoplasticity and the viscoelasticity - viscoplasticity, the process and mechanism for progressive failure of the locked segment of rockmass are quantitatively revealed and simulated during the rupture, deformation, destruction, and failure of highsteep slope rockmass, and the dynamics driving the motion of rocky landslide with violent starting velocity by high pressure water flow is dealed with
根據邊坡實際地質模型，基於彈塑性與粘彈-粘塑性理論的本構方程，通過有限元模擬分析，定量地揭示和模擬再現了高邊坡巖體破裂、變形、破壞及失穩前後鎖固段巖體漸進性破壞的機制和過程，探討了高壓水流作用下滑坡啟程劇動的破壞機理。On the basis of the important research project of the ministry of communications - the prevent and study of slope disaster in the project of beijing - zhuhai highway, the thesis developed the structure ' s design theory. in order to design more reasonable, the thesis propose the cohesion shear stress is unequal distribute at the anchorage zone. and it can be divided into two parts, the front function is uniform and the behind is exponential
為了合理的進行工程設計，本文按彈塑性理論對預應力錨索錨固段的黏結剪應力進行了分析，將錨固段劃分為塑性變形區段和彈性受力區段兩部分，認為錨固段黏結剪應力為非均勻分佈，前段剪應力為均勻折減應力，後段剪應力為寸旨數變化應力，由此提出了相應的錨固段長度計算公式。The paper deduced the deformation and flexural bearing capacity formula by the theory of elasticity - plasticity, ultimate - state method
本文分析研究中用彈性理論、彈塑性理論、極限狀態方法推導組合板受彎承載力和變形計算公式。Finally, a non - linear finite element method on the basis of the classical plastic theory was introduced to analyze the distribution of residual stress field in the filament winding layers and metal liner after the autofrettage process
採用經典塑性理論為基礎的非線性有限元方法，預測了預超壓工藝后容器復合材料纏繞層和金屬內襯內殘余應力場的分佈。Finally, based on the elasto - plasticity theory, plastic design and analysis for metal hub of flywheel was performed
最後，利用彈塑性理論，對飛輪轉子的金屬輪轂進行彈塑性設計與分析。By plastic design, the speed limit of the flywheel was 42038 rpm, with the energy storage value of 3. 6 kwh, and the energy storage of 129 wh / kg ( which is 49 % more than elastic design )
經過彈塑性理論設計的飛輪轉子，極限轉速42038rpm ，儲能總量達到了3 . 6kwh ，儲能密度為129wh kg ，比彈性設計提高49 。This thesis is focused on the stability analysis of dams and it foundation, two methods are employed : ( 1 ) stability analysis method base on rigid limit equilibrium method, which regards dam and rock foundation as undeformable rigid body
主要採用以下兩種方法： （ 1 ）基於剛體極限平衡理論的穩定分析方法。這種方法假設大壩和巖石地基為不變形的剛體； （ 2 ）基於彈塑性理論的穩定分析方法。Separately select and use the slice method based on rigid body theory of ultimate equilibrium and the ai theory based on neural network to justify loess side slope stability and finite element numerical stimulation based on elastoplastic theory to further research the factors of slope failure and deformation mechanism of landslide
分別採用基於剛體極限平衡理論的條分法和基於神經網路的人工智慧理論判別黃土邊坡穩定性；又採用基於彈塑性理論的有限元數值模擬，進一步探討了黃土地區邊坡失穩的影響因素及其滑坡變形機制。Abstract : the excess pore water pressure of saturated soft clay foundation caused by pile pushing is obvious. the method for calculating squeezing stress and excess pore pressure by elastic - plastic theory is deduced in this paper, and furthermore, the reasonable pile spacing by regarding the influence of both squeezing stress and excess water pressure is given
文摘:飽和軟粘土地基沉樁過程中樁土擠壓所引起的樁周土體超孔隙水壓力效應是非常顯的.本文從彈塑性理論出發推導出沉樁過程中樁周土體擠壓應力及超孔隙水壓力的計算公式，給出了考慮擠壓應力和超孔隙水壓力影響因素的合理打樁間距的確定方法Plasticity theory of hencky
亨奇塑性理論Finite element method of upper bound theorem based on the generalized plastic theory and its application
基於廣義塑性理論上界法的有限元法及其應用For the vertical partial bending of the thick slab, the author has also compared the elasticity theory with plasticity theory
而對轉換厚板所受的豎向局部彎曲，作者比較了彈塑性理論對于問題解決方法的異同。Abstract : based on the destruction mechanism of earthquake to buildings and the theory of frame e - lastic - plastic force, a discussion is made of how to enhance the antiseismic ability of frame structure dur - ing the construction
文摘:針對地震對建築物的破壞機理，根據結構彈塑性理論，提出了在施工中為提高框架結構抗震能力應特別注意的問題。分享友人