塑性量度 的英文怎麼說

中文拼音 [xìngliáng]
塑性量度 英文
measure ductility
  • : 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 ...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 量度 : [數學] mensuration; measure; measurement; magnitude量度器 measurer
  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。
  2. After the stolon had suffered from severing disturbance, clonal ramets could keep photosynthetic organ from being damaged through the plastic responses of the chlorophyll fluorescence traits, such as increasing nonphotochemical quenching of chlorophyll fluorescence ( npq ), decreasing actual photochemical efficiency of ps ii in the light ( f / fm " ) and photochemical electron transport rate ( etr ). moreover, the clonal ramets could also increase water use efficiency by means of decreasing stomatal conductance

    在匍匐莖受到切斷干擾后,臭柏能通過提高非光化學猝滅( npq ) 、降低ps實際光化學子產( f fm 』 )和表觀光合電子傳遞速率( etr )等葉綠素熒光特的可反應來保護小枝光合機構不被破壞,並且可以降低氣孔導以提高水分利用效率。
  3. The result showed the difference of mechanical properties of hsla steel results from the troostite and banded structure which are closely relative to mamgamese content

    結果表明屈氏體組織以及帶狀組織是造成低合金鋼板強差異主要原因,而屈氏體組織、帶狀組織的產生和錳含有很大關系。
  4. Moreover, popularizing such system is expected. the following works have been fulfilled within this thesis : first of all, based on the general principle of virtual displacement of nonlinear continuum mechanics, the geometric and material stiffness matrices is presented, several examples show that both of them can give out accurate result

    本論文主要完成了以下工作:首先,根據連續介質力學理論構造出的交錯桁架結構空間單元的幾何剛矩陣和彈矩陣,算例分析表明這些矩陣能準確地計算出結構的空間二階效應和空間單元彈桿端力增,計算結果具有良好的精
  5. 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、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值模擬研究,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。
  6. 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模式。
  7. The result shows that under the effect of repeated impact load, the stress wave produces reflection in the metallurgical junction plane between coating and basal body, and forms stretch wave causing longitudinal split and angle split of coat ; the microcosmic spot pitting and deep layered peeling off occur in coating surface due to stress concentration ; the energy accumulation of impact loading causes rigidity variation and plastic deformation

    結果表明:在多沖載荷作用下,應力波在塗層和基體的冶金接合面發生反射,形成拉伸波造成塗層的縱裂和角裂;在塗層表面由於應力集中,塗層表面發生微觀點蝕和深層剝落;沖擊載荷能的積累,造成塗層試樣硬變化和變形。
  8. 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

    在溫場的模擬中,模擬結果表明,保壓時間是影響製件成形質的關鍵因素之一,擠壓速、液態金屬澆注溫、預制體預熱溫和模具預熱溫等工藝參數對溫場的影響也很大,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;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘有限元計算模型,研究了變形過程中應力應變場的變化規律,研究了模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。
  9. 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、壓縮系數隨含鹽的增加而降低,抗剪強隨含鹽增加出現一含鹽界限值。
  10. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異體平面彈理論中的復勢方法,以faber級數為工具,得到了含多裂紋有限大板在任意載荷作用下應力場的級數解,並應用斷裂力學方法確定裂紋尖端的應力強因子;引入當屈服應力考慮裂尖區的影響,提出基於帶屈服準則的剩餘強分析模型,能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響;通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強因子和結構剩餘強的影響規律,得到了一系列對工程應用具有實用價值的結論。
  11. In order to solve the static, dynamic and material nonlinear problems of mega - frame structure, this paper analyzes mega - frame structure by qr - method and sets up a new computational form. in this paper, the author adopts the method of repeated increment and no limit stabilization to handle t he elastic - plastic rigid equation and dynamic equation

    然後,利用qr法對巨型框架結構進行分析,解決該結構的靜力、動力及材料非線問題,利用增迭代法及樣條無條件穩定演算法分別求解彈方程及動力方程,建立了高層巨型框架結構分析的新的計算格式。
  12. Secondly the author ' s study are introduced in this paper. the author study mainly the linear static and dynamic, elastic - plastic static and dynamic problems of cfst arc - bridge. firstly, the author establish the linear static equation on the based of the rigid equation of element by qr - method, and then analysis the inner force of arc bridge, establish the linear dynamic equation and elastic - plastic rigid equation and dynamic equation, then solve respectively the elastic - plastic rigid and dynamic equation by the method of repeated increment and no limit stabilization, arithmetic

    本文主要研究大跨鋼管混凝土桁架拱線靜力問題和線動力問題以及彈靜力問題和彈動力問題,先利用qr法按照梁單元的剛方程建立桁架拱的線靜力方程,進行桁架拱內力分析,建立桁架拱線動力方程、彈方程及彈動力方程,然後利用增迭代法及樣條無條件穩定演算法分別求解彈方程及動力方程。
  13. 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) 、樁徑、粘聚力、內摩擦角及變形模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。
  14. The solutions include : the unit normal vector of the elastic - plastic boundary near the crack line, the elastic - plastic stress fields near crack line, law that the length of the plastic zone along the crack line is varied with an external loads, the maximum lengths of the plastic zone, the bearing capacity of a finite plate with an eccentric crack loaded by shear forces

    這個解包括:裂紋線附近彈邊界上的單位法向矢,裂紋線附近的彈解析解、最大區長、裂紋線上的區長隨荷載的變化規律及其承載力。
  15. 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值具有可比的靈敏計算公式,不僅得到了靈敏分佈規律,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模擬反演分析思路與具體方法; ( 3 )假定圍巖為理想彈模型,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。
  16. The results show that small cr addition in steel can decrease the lamellar spacing of pearlite, and markedly increase strength and hardness with almost the same ductility and toughness, and accordingly improve wear and shelling - resistance of wheel steel

    實驗結果顯示,加入微的鉻,可以細化珠光體的片層間距,在保持韌基本不變的情況下,顯著增加材料的強和硬,從而提高車輪鋼的耐磨和抗剝離能。
  17. So, it takes both advantages of spline finite strip method with less node displacement and that of plastic hinge method with convince of getting plastic elemental stiffness matrix

    因此該方法兼具二者優點:樣條有限條法的位移少和鉸法形成矩陣的便利。
  18. The leaves biomass, root biomass, total biomass, sla, lar, srl, rlr and rgr of three species had very obvious plasticity to soil water. but the plasticity degree of three plants to different soil water were c. smyrnioides > a. sylvestris > c. violaceum

    三物種的葉生物、根生物、總生物、 sla 、 lar 、 srl 、 rlr和rgr對土壤水分的可均較大,但可為明黨參峨參川明參。
  19. Standard test method for photoelastic measurements of birefringence and residual strains in transparent or translucent plastic materials

    透明或半透明材料中雙折射及殘余應變的光彈的標準試驗方法
  20. Cone - based rheometer was modified to estimate the rheological properties of fresh mortar, which can measure yield stress and plastic viscosity of mortar in relative units. effects of many factors on rheological properties of mortar were studied. a set of test theory and method for designing rheological properties of mortar was recommended

    用它研究了各種因素對砂漿流變的影響;證實了砂漿的屈服應力與是互相獨立的物理,屈服應力決定變形能力,決定變形速率;為砂漿流變設計提供了一套測試理論和方法。
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