塑性層 的英文怎麼說
中文拼音 [sùxìngcéng]
塑性層
英文
ductile bed-
Displacement formula for composite foundation of composite piles is derived by considering the coaction of foundation soil, broken stone pile, cfg pile and bedding cushion and by applying the theory of elastic - plastic mechanics, which is proper for superstructure being constructed
運用彈塑性力學知識,同時考慮地基土、碎石樁、 cfg樁和墊層四者的相互作用,推導出了比較切合實際的上部結構動工后組合樁復合地基的沉降計算公式。The shale beds in between generally deform plastically.
夾在其中的頁巖層通常是塑性變形。The papers whose research object is the 7 - floor frame - structure with isolator - seismic layer, in which the isolator - seismic layer adopt some standard interlayer rubber isolator. by establish a 3 - dimension finite - element modal and use the a nalysis soft - ansys, we can make dynamic analysis on the structure. by analyses we can get some response characteristics of the structure sparked by the normal and rarely earthquake of 8 - degree fortify intensity, by the double - horizons seismic and by the vertical seismic
本論文設計了一7層的具有隔震層的框架結構並以此為研究對象,其中隔震層採用標準件的夾層橡膠隔震墊,通過建立三維有限元分析模型,運用大型有限元分析軟體? ansys對結構進行動力響應彈塑性時程分析,得出了結構在8度設防烈度下的常遇水平地震和罕遇水平地震激勵下的響應特性、在雙向水平地震波激勵下結構的響應特性和在豎向地震波激勵下結構的響應特性。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。Based on the regional structure dynamics analysis of the lithosphere imbricate structure in lanping - weixi area, the middle section of three - rivers area ( n26 - 28 ), the bouguer gravity anomaly of deep structures was completed and the fractal of these faults was calculated. the geology structure model and the elasticoplastic three - dimension finite - element mathematic are described, made and calculated ; and physical simulation was accomplished
針對三江中段n26 - 28蘭坪-維西地區的巖石圈正交疊加構造的區域構造動力學分析,進行了深部構造的布格重力異常延拓處理和淺部的斷層分維計算,描述、製作計算了地質結構模型、彈塑性三維有限元數學模型和物理模擬。Computer synthesis and touch up is nearly all about todays digital photography, yet its malleability can be more than that. a group of hospitalized people, without the use of computers has promoted the digital photography to another level of enhancement through experimental montage
一班長期住院的朋友以實驗攝影拼貼,將攝影的造像方法伸延,即使沒有電腦亦能將數碼攝影的可能性推向另一層普遍的數碼攝影離不開電腦加工及合成,然而它的可塑性不止於Plastic changes in nociceptive transmission may occur at the spinal cord as well as supraspinal structures after tail amputation
這種長期性的變化可能是由於中樞神經系統的神經可塑性變化引起的(從脊髓背角到皮層) 。Finite element analysis of casing damage in plastic flow formation
塑性流動地層套管破壞的有限元分析Standard test method for the apparent viscosity of roofing bitumens using the parallel plate plastometer
使用平行板塑性計測試屋頂層瀝青表觀粘度Meanwhile, by using delaminating combination finite element method and macro finite element analysis methods, the paper present two kinds of analysis programs. based on the aforementioned analysis program, the failure form, distribution of plastic hinge, load - carrying capacity, displacement and ductility characteristics are investigated to reveal the failure mechanism and the failure proceeding under seismic effects. the results are in good agreement with the test results, indicating the precision of the aforementioned two programs is satisfiable to the practical engineering design
分別採用分層組合式有限元和宏觀有限元分析方法,編寫了2種鋼筋混凝土中高帶邊框柱剪力墻結構的彈塑性有限元分析程序,同時利用上述2種分析程序,研究了模型結構的破壞形態、塑性鉸的分佈、承載力、位移及延性性能等特性,探討了這類結構在地震作用下的破壞全過程與破壞機理,得到其主要受力特性和抗震性能的一般規律,所得結果與試驗值吻合較好,表明上述2種程序分析結果的精度均可滿足實際工程的設計要求,因此可用於這類結構的抗震性能分析與設計。It is an inelastic analysis during the linear monotony loads. it can show the actual yield mechanism and the appearance sequence of the hinge, find out the weakness of the structure and gain the pushover figure ( floor - shear diagram and element - shear diagram )
進而揭示出在罕遇地震作用下結構實際的屈服機制,各塑性鉸的出現順序,找出結構的薄弱環節,確認結構設計中「強柱弱梁」的設計原則,得出push - over圖形(層剪力圖形及構件剪力圖形) 。By using one - dimensional finite different hydrodynamic code coupled with four spall models, spall in ductile metal has been studied
摘要在平面一維彈塑性流動有限差分計算程序中加入4種延性金屬層裂模型,對平板撞擊層裂實驗進行數值模擬。In order to simulate the deformation behavior of granular materials ( subgrade soils and subbase materials ), an elasto - plastic constitutive model, the drucker - prager ( dp ) model, was used in the analysis
為了比較真實地模擬路基及底基層粒料的變形行為,採用彈塑性dp準則。According to roof safety factor of 1. 2 for the mined - out area, minimum safety roof thickness at different rock in various span mined - out area was calculated by flac software, which transfixion of plastic zone was taken as criteria of roof breakage by using strength reduction technology and dichotomy theory
摘要利用強度折減技術和二分法原理,以塑性區的貫通作為頂板破壞的標準,當采空區頂板的安全系數等於1 . 2時,利用flac軟體計算得出各種跨度空區在不同巖層中的最小安全頂板厚度。It is found that the electric, field improves elongations in 2090 and 2090 + ce alloys markedly, especially in 2090 alloy, but has little effect on strengths. at the same time, the electric field lessenes percentages of intergranular delamination and increases transgranular fracture and microscopic plastic deformation. besides, the electric field makes both average particle size and its distributing range of 8 " phase smaller, and reduces the half width of pfz in aged alloys
研究表明:固溶電場可顯著提高2090合金及2090 + ce合金的延伸率,尤其是對2090合金,但對強度則無明顯的影響;同時,固溶電場減少合金的沿晶分層斷裂比例,並增加穿晶斷裂及微區塑性變形;固溶電場還使合金時效后相顆粒的平均尺寸減小、尺寸分佈范圍減小,並使pfz的寬度減小。This paper also researches on thermal elastoplastic analysis model of multilayered graded coating structures on the basis of thermal elastoplastic analysis model of trilayered materials with the focus on the structural character of graded coating. it builds the thermal elastoplastic analysis theory for the graded coating structure that has a single plastic layer or two plastic layers. it gives the analytical formulas of thermal stresses and the thermal elastic - plastic transform temperatures of graded coating that has a single plastic layer or two layers under the thermal loading
針對梯度塗層的結構特徵,在建立的三層疊層材料熱彈塑性分析模型的基礎上,對多層梯度塗層結構的熱彈塑性分析模型進行了研究,分別建立了含單個塑性層和兩個塑性層的梯度塗層結構的熱彈塑性分析理論,給出了在熱載荷作用下含單個塑性層和兩個塑性層的梯度塗層的熱彈性-塑性臨界溫度和熱應力分析公式,利用有限元分析對理論模型進行了驗證。This paper firstly extends the thermal elastoplastic deformation theory of trilayered materials derived by suresh et al and abolishes the restrictive assumption to the monodirectional spread of plastic zone in the original model and the thermal elastoplastic analysis model which reflects the complete history of thermal elastoplastic deformation of the multilayered materials is built. this model can be also applied to the condition of the spread of plastic zones from both sides of plastic layers and has more applicability compared to suresh et al ' s model
論文首先推廣了suresh等人建立的三疊層材料熱彈塑性變形理論,取消了原理論模型中塑性區域單向擴展的限制性假設,建立了反映疊層材料完整熱彈塑性變形歷史的熱彈塑性行為分析模型,該模型同時適用於塑性層的塑性區域雙邊擴展的情況,較suresh等人的模型適用性更為廣泛。Standard specification for contact - molded reinforced thermosetting plastic laminates for corrosion - resistant equipment
耐腐蝕設備用接觸模壓的增強熱塑性層壓材料標準規范Besides, this paper makes nonlinear finite element analysis on concrete - filled crft frame and crft braced frame, then design methods on crft braced frame structure are introduced, proposed values of elastic and elastic - plastic story drift in crft braced frame structure are presented
本文還對方鋼管砼框架和方鋼管砼支撐框架進行了非線性有限元全過程分析,提出了方鋼管砼框架?支撐結構的設計方法,給出了方鋼管砼框架?支撐結構彈性及彈塑性層間位移角的建議限值。On the basis of analysis previous experiment data, it is conclusion that allowable value of drift angle of elastic and elastic - plastic is 1 / 550 and 1 / 75 respectively, which is applicable to r. c. frame structure with special - shaped column is given out. the conclusion explains that the deformabiliry of r. c. frame structure with special - shaped column lies between rectangle column frame structure and shear wall structure. the calculating formula of allowable value of axial load ratio of special - shaped column is derived, it is compared with that of equaling areas rectangle column
根據對前人試驗數據的統計分析,給出了適用於異形柱框架結構的彈性和彈塑性層間位移角限值分別為1 550和1 75 ;指出了異形柱框架結構的層間變形能力介於普通矩形柱框架結構和剪力墻結構之間;以t形柱為例,推導了異形柱軸壓比限值的計算公式,通過與等面積矩形柱的對比分析,認為異形柱的軸壓比限值與其截面尺寸的比例關系有關;當腹板受壓或翼緣受壓時, t形柱軸壓比限值存在較大差異;不同的荷載角作用,軸壓比限值變化較大;矩形柱的軸壓比限值要大於異形柱的軸壓比限值。分享友人