塑性模量 的英文怎麼說

中文拼音 [xìngliáng]
塑性模量 英文
modulus of plasticity
  • : 動詞(塑造) model; mould
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. 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。
  2. 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的變化規律,並與理想的彈型相比較,最終得出以理想彈型計算各種荷載工況作用下無粘結筋極限應力增的回歸公式,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。
  3. Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load

    針對當前國內外彈地基梁法存在的缺陷,基於對軟土流變的研究,採取了剪應力判斷彈狀態,以改進和完善基坑工程彈地基梁法,推導了彈狀態下地基反力系數的近似解,提出了採用剪應力組合判斷土彈簧彈狀態的方法,編制了相應的彈共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了壓縮、粘聚力、內摩擦角等參數變化對基坑工程的影響。
  4. In actual engineering problems such as metal forming, structure crashworthiness et al., there are a great number of interface problems with elasto - plastic large deformation. when such large deformation or distortion is solved by finite element method, it must remesh process must be developed to get the less accurate numerical result

    在金屬成型、結構碰撞、穿甲等工程領域存在大的彈大變形接觸問題,用有限元法擬這些過程時,由於變形畸變的存在,往往需要採用網格重劃分才能得到較為準確的計算結果。
  5. The first stage is primary slip then followed by secondary slip ; the last stage is due to dislocation passing the slips. the cyclic stress strain ( css ) curve exhibits a stronger hardening occurred in cyclic plastic deformation than that in tensile test

    建立了拉伸和應變疲勞的有限元型,使用基於晶體滑移型的數值方法,對晶體內部滑移系的啟動以及滑移繫上的分解切應變、切應力這些無法試驗觀測的變進行計算,分析它們對晶體變形的不同影響。
  6. Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed

    本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群,施工開挖過程中和開挖后圍巖穩定研究這一重大課題,在詳盡的野外地質調查工作和對大基礎地質資料的整理與分析基礎上,以目前國際工程地質界公認的最新通用軟體flac ~ ( 3d ) 2 . 0版作為基本計算工具,從整個壩區地應力場的研究開始,通過動態數值擬分析這一新的擬思路,系統地研究了深切峽谷區地應力場多階段的特徵和演變規律,進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和破壞區的變化特徵,進行了全過程動態數值擬研究,並詳細討論了圍巖質、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定的影響。
  7. In addition, the constitutive models included in flac - 3d are deep into research, and th e stress increments are corrected in terms of the plastic strain increment while occurrence of plasticity flow

    此外,還對flac - 3d內嵌的本構型深入研究,流動發生時應變增對應力增的修正。
  8. The ship ' s hull is a thin - walled box girder structure composed of stiffened panels. the overall failure of a ship hull girder is normally governed by buckling and plastic collapse of the deck, bottom, or sometimes the side shell stiffened panels. therefore, the analysis of buckling and ultimate strength of ship panels in deck, boltom, and side shells is very important and necessary for the safety assessment of ship structure. in stiffened panels, local buckling and collapse of plating between stiffeners is a basic failure mode, and thus it would also very important to evaluate the buckling and ultimate strength interaction of plate elements under combined loads

    船體梁的總體失效通常取決于甲板、船底板,有時候是舷側加筋板的屈曲和破壞。因此,對于衡船體結構的安全而言,對甲板、底板、舷側板進行屈曲和極限強度分析是十分重要且必須的。對于加筋板而言,加強筋間的板格之局部屈曲和失效是最基本的失效式。
  9. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的擬中,擬結果表明,保壓時間是影響製件成形質的關鍵因素之一,擠壓速度、液態金屬澆注溫度、預制體預熱溫度和具預熱溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固擠壓成形過程;在變形場的擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘有限元計算型,研究了變形過程中應力應變場的變化規律,研究了角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  10. By means of the elasto - plastic finite element method ( fem ), the effect of fillets on the stress distribution in aluminum alloy single lap joints was investigated under the condition of four types of adhesives with different elastic modulus ( i. e. acrylate, polyurethane, epoxy and phenolic - resin adhesives ) to form the fillets

    摘要利用彈有限元法,研究四種不同彈的膠粘劑(丙烯酸酯膠、聚氨基甲酸乙酯膠、環氧樹脂膠和酚醛樹脂膠粘劑等)形成的膠瘤對鋁合金單搭接接頭應力分佈的影響。
  11. 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和半剛料樣品彈的方法
  12. 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和半剛料樣品的彈的標準試驗方法
  13. Systemic numerical tests are made first, to study the parameter sensitivity of cohesion and friction angle and other elastic parameters to the convergence in tunnel. some comprehensive parameter sensitivity laws have been draw thought these numerical tests. the method of emulating back analysis is illustrated secondly, in detail by tracing the excavation and supporting conditions by the special numerical modeling rested in final program

    主要研究成果: ( 1 )建立使各個參數靈敏度值具有可比的靈敏度計算公式,不僅得到了靈敏度分佈規律,而且還得到了各參數對位移的化影響結果; ( 2 )詳細闡述了巖土工程擬反演分析思路與具體方法; ( 3 )假定圍巖為理想彈型,在可測出理論上認為不可測的變形、實現彈位移分離的前提下,提出了彈問題的分步反分析法。
  14. A design example is introduced in this paper where the concrete watertight wall with low elasticity module is used to strengthen the earth - rock dam of qing shan reservoir, and it is a new type of concrete watertight walls whose elasticity module and crush strength of its wall material lie between normal and plastic concrete

    本文是關于用低彈砼防滲墻加固青山水庫土石壩的設計實例,其墻體材料的彈和抗壓強度界于普通和混凝土之間,是一種新型的混凝土防滲墻。
  15. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中,壩型的選取顯得尤為重要,特別對于壩基有深厚覆蓋層的堆石壩,心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位,設計方案是否安全、科學和合理,對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果,為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考;在吸收和歸納了國內外堆石壩的設計研究成果的基礎上,對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案,分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線計算分析;對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究;對混凝土防滲墻不同彈對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究,比較全面的了解了各方案壩體,尤其是防滲體的應力和變形分佈規律,為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及區大小的確定提供了重要依據。
  16. The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board

    文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據; 3 、運用板的穩定理論,探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈問題、焊接殘余應力問題、彈變形問題以及支承條件問題等,得出了門機金屬結構發生失穩破壞的主要部位為臂架結構,且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞; 4 、探討了焊接對結構承載的影響。
  17. To be the wall material of gtdw, comparing with the conventional concrete diaphragm wall, plastic concrete has a much lower elastomeric modulus that approaches to that of the around soil. as a result, the deformation of the plastic concrete diaphragm wall under pressure will be similar with that of the around stratums. the stress state of the iii diaphragm wall is greatly improved and thus improvement will make it easy for the diaphragm wall to fit the stress changes by the thinner of wall or the frequent changes of the water level

    混凝土作為抓鬥薄墻的墻體材料,相比于普通混凝土彈顯著降低,使其更接近於圍土材料的變形,所以混凝土防滲墻在其受力后的變形能很好地于周圍地層相協調,因而能大大改善防滲墻的應力狀況,更好地適應墻體變薄及長江水位頻繁變化而帶來的應力變化。
  18. Elastoplastic modulus matrix

    談彈塑性模量矩陣
  19. The results indicate that stress - strain curves with different water contents, consolidation stresses and stress paths are evidently dissimilar, which are correspondingly described with softening elastic - plastic model, ideal elastic - plastic model and hyperbolic elastic model

    研究表明,原狀黃土含水不同、固結圍壓不同、應力路徑不同、應力應變曲線亦顯著不同,可以由軟化彈型、理想彈型或雙曲線彈型描述。
  20. Nonlinear elastic model can stimulate the hardening part before peak value, but the stimulation to softening part is not satisfying. elasto - plastic model can basically stimulate the full course of loess deformation, but the stimulation to softening part is not better than that of hardening part. elasto - plastic damage model is the best model of stimulating loess deformation, and the breakage degree during the loess deformation can be estimated based on magnitude and variety of the damage

    非線型可以擬峰值前的硬化部分,但不能很好擬軟化段較陡的降落;彈型基本能夠擬土體變形的全過程,但對軟化段的擬有一定偏離不如硬化段好;彈損傷擬土的變形特效果最好,可以對土的西安理工大學碩士學位論文一變形全過程較好的擬,並能根據損傷變的大小和變化定評價土體在不同變形階段的破壞程度。
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