plastic bending 中文意思是什麼

plastic bending 解釋
范性彎曲
  • plastic : adj 1 造型的；塑造的；給與形態的。2 可塑的，塑性的，受范的；柔軟的；〈比喻〉溫順的，肯聽話的。3 ...
  1. The leads from the model are most easily made of plastic tubing, which has little tendency to kink or leak and has good bending qualities.

    做為從模型引出的導管以塑料管為最方便，用塑料管不會糾結和漏氣而且彎曲性能好。
  2. 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。
  3. Elastic theory and plastic theory are adopted in the analysis of the two section composite beam. elastic theory suggests, on the condition of the same steel beam section size, the composite beam for the floorslab is suited lower flanges convertion section stiffness cuts down by 75. 1 %, elastic limit bending resistant capability cuts down by 47. 9 %, than the composite beam for the floorslab is suited on the top flange. it s conversion section stiffness is lifted 8. 0 %, elastic limit bending resistant capability is lifted 0. 20 %, than the steel beam

    彈性理論分析的結果表明，在鋼梁截面大小相同的條件下，樓板位於鋼梁下翼緣的組合梁和樓板位於鋼樑上翼緣的組合梁相比，其換算截面剛度降低75 . 1 ，梁的彈性極限抗彎承載力降低47 . 9 ，樓板位於鋼梁下翼緣的組合梁和純鋼梁相比，其換算截面剛度提高8 . 0 ，梁的彈性極限抗彎承載力提高0 . 2 。
  4. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景，首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況，忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用，首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程，建立了有限元計算模型，並採用三角函數法，求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應，並與普通殼體進行了比較。
  5. Elasto plastic bending

    彈塑性彎曲
  6. Stretch bending is an important plastic bend process and is widely applied to forming the workpieces of aircraft and car

    拉彎是一種重要的彎曲成形工藝，廣泛應用於飛機和汽車彎曲件的成形。
  7. Aiming at the shortages and demerits in the study of constitutive relationship of concrete based on elastic - plastic mechanics, damage expressions of concrete subjected to uniaxial tension - compression was deduced based on damage mechanics, and general damage evolution equation of concrete in bending state was received also

    摘要針對彈塑性力學研究混凝土本構問題帶來的不足和缺陷，運用損傷力學的方法，導出混凝土在單軸拉、壓狀態下的損傷表達式，得到了混凝土在彎曲狀態下的統一的損傷演化方程。
  8. Test method for determination of the modulus of elasticity for rigid and semi - rigid plastic specimens by controlled rate of loading using three point bending

    用三點彎曲法測定在裝載控制速度下剛性和半剛性塑料樣品彈性模量的方法
  9. Standard test method for determination of modulus of elasticity for rigid and semi - rigid plastic specimens by controlled rate of loading using three - point bending

    用三點彎曲法測定在裝載控制速度下剛性和半剛性塑料樣品的彈性模量的標準試驗方法
  10. Although strict design calculations are made to guarantee the members have sufficient strength in their work life, yet dash and improper loads may damage them during construction and in service. these damages include elastic - plastic bending and local dent in the walls of the tube. in addition, corrosive medium such as atmosphere and contaminated water can also bring corrosion damage in the walls of the tube

    雖然都經過嚴格的設計計算，以保證其在使用壽命期內有足夠的強度，但在安裝施工和使用期間，往往因受到沖撞和非正常荷載而產生彈塑性彎曲和凹陷等損傷，此外大氣、受污染的水分等腐蝕性介質也可能在管壁上產生腐蝕損傷。
  11. 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
  12. Optimization algorithm for large deformation of a cantilever beam with elastic - perfectly plastic model under pure bending

    純彎曲理想彈塑性模型梁大變形的優化演算法
  13. But this time, the authors considered more factors that can influence the precise, which include plastic resistant moment of special - shaped columns, bending stiffness of beams and cracking of walls. then, the equivalent width of diagonal strut is worked out. based on above results, the bar system model is used to calculating the internal force of the structure and the results were match the testing data basically

    給出結構的簡化計算方法，本文利用砌塊墻體的斜壓桿等效原理，並考慮了異形柱的塑性抵抗矩、 0梁的抗彎能力以及馬牙搓連接等多種因素，解出了斜壓桿的等效寬度，在此基礎上按桿系模型對結構進行了簡化靜力驗算，結果與試驗基本相符。
  14. Local buckling capacity of steel composite beam subjected to combined bending, shear and patch loading is one of key problem in steel structures design. the computational formula for local stability of web was based on the assumption of infinite - elastic perfect plates in the steel structures design code ( gbj17 - 88 ). but in the revised code ( gb50017 - 2003 ), this formula was made big change with reference to british code ( bs5950, partl ) and australian code ( as4100 ), the related research result of our country was included as well. in the modified formula, influence of early geometric imperfection and elastic - plastic buckling stage were considered, which is compatible with both actual circumstance of engineering and the strength formula of beams under bending stresses ( considering partial plasticity of the section ). in this paper, the preceding problem is deeply analyzed and studied, considering the effects of various geometric parameters and stress combinations on buckling critical stress of web, the revised local buckling correlative formula for transverse and longituded stiffened web panels under combined stresses is analyzed and verified by finite element method

    組合鋼梁腹板在彎、剪及局壓復合應力作用下的局部屈曲承載能力是鋼結構設計中需考慮的問題，新的《鋼結構設計規范》 （ gb50017 ? 2003 ）對此部分內容作了較大改動，原規范中關于腹板局部穩定的計算公式是基於無限彈性的完善板假定；新的規范則參考了英國規范（ bs5950 part1 ）及澳大利亞規范（ as4100 ）並結合我國相關研究成果，考慮了屈曲進入彈塑性階段以及初始幾何缺陷的影響。這不僅與工程實際情況相符，而且也與鋼梁在彎曲應力作用下允許截面部分進入塑性的計算公式相協調。
  15. Based on the conception that the simple beam rotates rigidly around the plastic hinge in the middle when the beam is at the ultimate state of anti - bending capacity, the formula for calculating the stress in the external tendons and the ultimate anti - bending capacity of the beam were developed

    摘要在承載能力極限狀態下，可把簡支梁的跨中區段視為1個等曲率塑性鉸（塑性區段） ，其餘梁段可視為直線並處于繞塑性鉸剛性轉動的位置。
  16. In order to directly supple complete sets of equipments, we specialize in the respective production of hollow glass, varions glassdoors for cold - storage cabinets, transparent doors, enclosed doors, laminated hot - bending glass, heating plate glass, plastic sectional materials, extrusion and cast sectional materialsoptical fiber and so on. to cator to the special requirements of our clients

    為更直接提供產品配套，本企業專業分工生產有中空玻璃、各式冷藏櫃玻璃門、透明門、封閉門、夾層熱彎玻璃、發熱平板玻璃門，塑料型材擠出、壓鑄型材、光纖板等，並可根據客戶的特殊要求設計訂造相應的品種。
  17. Parametric analysis and bending load capacity of rc beams strengthened with glass fiber reinforced plastic plates

    纖維復合物加固鋼筋混凝土梁抗彎承載力及參數分析
  18. Theoretical analysis of the plastic influence coefficient of concrete under bending moment

    混凝土截面抵抗矩塑性影響系數的理論分析
  19. 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。
  20. Elastic - plastic bending

    彈塑性彎曲
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