塑性值 的英文怎麼說

中文拼音 [xìngzhí]
塑性值 英文
plasticity index
  • : 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 ...
  1. Basic theory of adjoining rock plastic rum and numerical simulation method

    圍巖圈的基本理論及數模擬方法
  2. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈解析解,對工程設計有著重要的參考意義;在數模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  3. 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,從而定量上解釋了目前設計規范引用土力學承載力公式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。
  4. The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者分開考慮,其計算地基承載力設計的公式是根據彈地基中應力分佈及土的極限平衡狀態理論為依據而得出的,求地基的沉降變形時則視土體為彈,這些理論對地基及土的假設與淺基礎地基的實際工作狀態及天然土體的非線、彈存在一定的偏差。
  5. 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、鉸的分佈、承載力、位移及延能等特,探討了這類結構在地震作用下的破壞全過程與破壞機理,得到其主要受力特和抗震能的一般規律,所得結果與試驗吻合較好,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能分析與設計。
  6. By using one - dimensional finite different hydrodynamic code coupled with four spall models, spall in ductile metal has been studied

    摘要在平面一維彈流動有限差分計算程序中加入4種延金屬層裂模型,對平板撞擊層裂實驗進行數模擬。
  7. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    針對加熱彎管過程的受力和變形特點,採用三維梁單元、三維直管單元、三維彈曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將溫度場作為體載荷處理,建立了符合實際的加熱彎管問題數模擬力學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。
  8. 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模型,使用基於晶體滑移模型的數方法,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量進行計算,分析它們對晶體變形的不同影響。
  9. 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量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,通過動態數模擬分析這一新的模擬思路,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模擬研究,並詳細討論了圍巖質量、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。
  10. Firstly, the shear wall ' s load - carrying capacity, displacement, properties of ductility, shape of damage, distribution of plastic hinge are analyzed through delaminating combination finite element method with numerical value method

    首先選用分層組合式有限元方法利用數方法分析剪力墻結構的承載力、位移、延能、破壞形態、鉸等問題。
  11. This text is divided into totally three part, the first part clarities mainly the connotation of credit, the meaning transformation and present application. emphasizing on the importance of the corpus credit diathesis in modem society based on the foundation of existing theoretical outcome. furthermore. the text delimitates the connotation of the credit diathesis, induces the feature of using the credit, namely the three greatest features that are made up of objectivity and subjectivity, explicit ages and plasticity ; the author analyzes closely the credit diathesis of students that is very beneficial for further modem social safety, healthy development, building of the fashion of credit moral, purifying educational and academic circumstance and so on

    本文共分三部分,第一部分主要在認真吸取現有理論成果的基礎之上,經過分析和調查研究闡明了信用的內涵及其含義的演變,以及在今天生活中的應用,突出主體信用素質在現代社會的重要,在此基礎之上比較科學地界定了信用素質的內涵,歸納信用素質的特點,即客觀和主觀、鮮明的時代和可三大特點。第二部分比較深入的分析了培養大學生信用素質對于促進現代社會的健康發展、信用道德風尚的建設、凈化教育環境和學術環境等具有的巨大價,以及對培養合格人才具有非常重要的意義。
  12. It will improve analysis efficiency and experimental precision greatly if putting the photoelastic images gotten from experiment into computer, obtaining the isochromatic and isoclinic data automatically and writing it into database directly. but because of the limitation of time and the difficulty of drawing pure isoclinics from images, the paper has only shown the achievements presently and simulated a disk under diametral compression as foundation on further research

    把實驗中拍攝到的光彈圖像輸入到計算機中,利用自動處理系統獲得等色線和等傾線等原始數據並將其直接輸入數據庫中,再依據本文提供的原理和方法求解結構的彈應力,可以大大的提高分析效率和實驗精度。
  13. Elasto - plastic numerical analysis of 3 - d slotted hole blastion

    三維切槽孔爆破的彈分析
  14. The elastic and elastic - plastic calculation models of slope earthquake response are erected by the commerce software - - - flac. the distribute regularity of peak

    建立邊坡彈和彈模型,分析了邊坡內部質點沿高度方向的加速度峰放大倍數分佈規律。
  15. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    利用基於變步長中心差分格式的顯式積分方法分析瞬態軋制過程;提取穩態單元集節點形成截面網格;利用隱式積分方法分析軋制道次間隙瞬態溫度場;對型鋼斷面進行平面四邊形網格劃分並映射節點溫度數據;利用六面體單元構建有限元分析模型,映射單元節點的溫度、積分點的等效應變,進行數分析。
  16. The principal stress value arised alteration, the magnitude of stress closed to 25 ~ 32mpa, its influence scope was within the scope outside of tunnel opening 10 ~ 15 meter, maximum tense focused at vault and middle of floor about half meter. shearing stress focused at corner of vault and wall, always been sheared

    主應力量也發生了較大改變,壓應力可達25 32mpa ,其影響范圍在隧道邊墻外10 15m ;拉應力集中在拱頂和底板中部約0 . 5m范圍內,最大可達10mpa ;在拱腰和墻腳常為剪應力集中區,易發生剪切破壞。
  17. Some people believe that bean curd tofu is just bland health food, but great cooks and gourmets can attest that the blandness is what makes bean curd a great cooking ingredient. the beauty of bean curd is that it absorbs the flavours of accompanying ingredients. but this creates the challenge of

    豆腐細膩滑潤,入口即溶,而且營養豐富,是老少皆宜的美食它的煮法更是千變萬化,可極高,紅燒煮炒炸煨燜蒸,樣樣皆能,無論作為主菜抑或配菜,都有它的欣賞價,無怪乎香港人愛吃的食品中,豆腐總是榜上有名。
  18. The result shows that the plasticity index and the compression coefficient of the northern inshore saline soil reduce with the increase of the salt content, and the shear strength attains a limit value with the increase of the salt content

    結果表明,北方濱海地區鹽漬土的指標、壓縮系數隨含鹽量的增加而降低,抗剪強度隨含鹽量增加出現一含鹽量界限
  19. 3. based on the interrelations of flow stress, strain rate and deformation temperature, the four constants of 7055 aluminum alloy can be calculated during the deformation process. 4

    )和變形溫度t之間的相關,求出了7055鋁合金高溫變形的四個材料常數:結構因子a ,應力水平參數,應力指數n和變形激活能q
  20. Rubber, raw and unvulcanized compounded - determination of plasticity number and recovery number - parallel plate method

    生膠和混煉膠塑性值及復原的測定平行板法
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