塑性回彈 的英文怎麼說
中文拼音 [sùxìnghuídàn]
塑性回彈
英文
plastic resilience-
Plastic deformation and creep are highly undesirable, resilience is favourable.
塑性形變和蠕變是很不利的，回彈性則是有利的。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。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。Based on the comprehensive statistical analysis of inelastic displacement ratios, the regression equations of - r - t about the strength reduction coefficient and inelastic displacement ratios are obtained. the effects of soil condition, earthquake magnitude, epicenter distance, damp ratios and hysteretic characteristics are considered in detail
通過對理想雙線性體系的均值彈塑性位移比與強度折減系數進行了統計分析與數值擬合，建立了兩大類場地土（硬土、軟土）下的- r - t回歸公式。Flexible cellular polymeric materials - determination of resilience iso 8307 : 1990 ; german version en iso 8307 : 1997
軟泡沫塑料聚合材料.回彈性的測定They are widely used in high elastic resilient cold cure, microporous elastomer and semi - rigid polyurethane foam plastics
廣泛應用於高回彈冷熟化，微孔彈性體及半硬質聚氨酯泡沫塑料製品。Then a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring. basing on rotation and displacement equation, we obtain the element stiffness matrixes with semi - rigid connections where the effects of material nonlinear, hysteresis behavior and shear forces in the connection deformations have been considered in and at the same time we modify the fixed - end forces. finally, a program for calculating the elastic - plastic earthquake seismic of semi - rigid connected steel frame structure by step and step integration of wilson -
本文在介紹和分析半剛性連接彎矩與轉角連接關系模型的基礎上，用帶有轉動剛度的彈簧表徵半剛性連接，推導出半剛性連接的剛度矩陣，並對桿件固端力進行修正，同時在考慮剪切變形、材料彈塑性、及構件的動力滯回性能的基礎上，編制了結構彈塑性地震動力時程分析有限元計算程序。Cellular plastics - flexible polyurethane foam - determination of resilience
軟質聚氨酯泡沫塑料回彈性能的測定The whole procedure of construction, including foundation - pit excavation, the body construction and foundation - pit filling, was simulated and analyzed by using elastic - plastic fem procedure programmed by myself. and the laws of stress field and displacement field were obtained
本文通過研編彈塑性有限元程序，模擬並分析了涵洞施工全過程（包括：基坑開挖、涵洞主體施工、基坑及上覆土體回填）中計算域土體變形和應力的變化規律。In contrast, the 4 ( superscript th ) and 5 ( superscript th ) confined aquifers were featured with continuous plastic deformation, revealing the groundwater levels are far below the critical water level
上海中心城區第、承壓含水層總體上處于地下水開采與人工回灌的平衡狀態，表現為彈性變形；而第、承壓含水層由於地下水位目前已嚴重低於其「臨界水位」 ，表現為持續壓縮的塑性變形。To generalize the eccentricity ratio effect on ultimate tensile strength of ductile plates, the elesto - plastic finite element method is undertaken and a mathematical transition expression of normalized ultimate tensile strength of center - cracked, eccentrically cracked, edge - cracked plates is accordingly deduced
對于偏心裂紋延性板，採用彈塑性有限元進行了大量的組合計算，分析了相對裂紋長度、材料屈強比和裂紋偏心度對板的拉伸極限強度的影響，並給出了方便計算的回歸公式。Meanwile, the springback principle of minimum potential energy is applied to calculate the springback deformation of a contilever beam occurring elasto - plastic deformation
同時，應用回彈最小勢能原理于彈塑性變形懸臂梁的回彈變形計算。And the theoretical a nalyses done in this paper are listed below : first, the experimental data on the members of varied parameters under torsion demonstrate the general rule of the deformation while the tubular is under torsion. the paper establishes three phases of the deformation of the tubular under torsion, namely, the elastic deformation, the elastic - plastic deformation, and ultimate failure. through regression analysis, a simplified method is proposed for calculating the capabilities of the tubular under elastoplastic torsion, and the formulary for bearing value, is also recommended as a reference in engineering design
本文根據不同參數的構件受扭性能試驗結果，研究了該結構受力變形全過程的基本規律，提出了受鈕全過程的三個工作價段，即彈性變形階段，彈塑性變形階段和極限破壞階段，經分析回歸得到扭轉全過程彈塑性的簡化分析方法及承載力計算公式，可供工程設計參考；同時根據本文的彎扭試驗結果以及對離心鋼管混凝土構件進行的理論分析，推導了彎扭試驗相關承載力的關系。As the material is deformed beyond the strain that elastic deformation persists, the stress is no longer proportional to strain, and permanent, nonrecoverable, or plastic deformation occurs
當材料的形變超出彈性形變發生的范圍，其應力將不再與應變成正比，永久的、不可回復的形變發生，即為塑性形變。Testing methods of rebound resilience for rubber, vulcanized or thermoplastic
硫化或熱塑橡膠的回彈性能試驗方法分享友人