極限應力試驗 的英文怎麼說

中文拼音 [jíxiànyīnglìshìyàn]
極限應力試驗 英文
ultimate stress test
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 極限 : 1 （最高的限度） the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 試驗 : trial; experiment; test
  1. To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered

    摘要為研究不同施工方法下預應力混凝土連續梁的彎曲性能、極限受力狀態及內力重分佈規律，進行了3根連續梁模型試驗，分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。
  2. In simple tension experiment, the stress - strain relationship submits hook ' s law within the limit of proportionality

    摘要單向拉伸試驗中，在比例極限內，應力應變關系服從胡克定律。
  3. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  4. Based on the destructive test of certain old pre - stressed concrete hollow slab after structural strengthening by cfs, the destructive mechanism and ultimate bearing capacity of old pre - stressed hollow slab after structural strengthening is being researched, which is useful for the strengthening design of old bridge and solvating of single slab problem

    摘要通過某已使用10年的舊橋預應力混凝土空心板受拉區碳纖維布加固后的破壞荷載試驗研究，對受拉區加固后的舊橋預應力混凝土空心板的破壞機理、變形性能及極限承載能力等進行了研究，為舊橋預應力混凝土空心板的加固設計及單板受力問題的分析解決提供了試驗依據。
  5. 2, in the experimental study, 12 joints tests are completed, including 5 uniplanar x joints loaded with axial forces, 3 uniplanar x joints loaded with in - plane bending, 4 multiplanar xx - joints loaded with axial forces, with the emphasis on the influence of and the existence of the out - of - plane braces, of which the multiplanar xx - joints tests is the first experiment project in china

    其中，對等寬方管節點（ = 1 . 0 ）推求了考慮薄膜效應影響的極限承載力公式。 （ 2 ）試驗研究：本文共計進行了12個方管平面x型和空間xx型相貫節點試驗研究，進一步加深對方管相貫節點的感性認識，了解其實際破壞模式。
  6. The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering

    研究表明：本文研究的梁、板構件的延性比遠大於5 ；增加箍筋（鉤筋、分佈筋）含量，可以提高壓區混凝土剝落時的撓度；在適當的受壓筋、箍筋（鉤筋、分佈筋）含量下，可以忽略壓區混凝土剝落瞬間的承載力下降，從而大大提高構件的延性；受彎構件的寬高比對壓區混凝土極限應變的影響不明顯；受彎構件的裂縫間距受箍筋（鉤筋、分佈筋）的布置影響；文中所用的承載力和變形計算方法是可行的。化爆試驗表明，高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。
  7. The main factors including concrete cover and prestressing levels which may have influence on the fire resistance of the simply - supported slabs are examined. the deflection and prestress are presented. from the results of tests, the fire endurance of the simply - supported slabs are given

    在簡支板的火災行為試驗研究中主要考慮了普通鋼筋的保護層厚度和預應力度兩個因素，主要測試了構件的撓度變化及預應力的變化，並由此得出了其耐火極限。
  8. Abstract : experimental researches on normal section ultimate fle xural strength of prestressed reverse - rib - slab with excessive steel bar were m ade, and according to chinese norm ( gbj10 - 89 ) and american norm ( aci ) in which s train harmony analysis method was adopted, its ultimate strength was calculated, these make us further realizse the ultimate flexural strength of prestressed r everse - rib - slab with excessive steel bar

    文摘:通過疊合結構中預應力超筋倒肋薄板正截面極限承載力的試驗研究，分別採用規范gbj10 - 89中的受彎構件、偏心受壓構件的計算公式及美國aci規范中的應變協調分析方法計算了極限承載力，從而更清楚地認識了配有高強鋼絲的超筋倒肋板的極限承載力計算問題。
  9. Based on the pseudo - static experimental results of nine abnormal joints, the damage process of abnormal joint is divided into four stages of original crack, entire crack, ultimate state and failure, the effect of axial force ratio, stirrup ratio and height of column section on seismic behavior of abnormal joint are discussed, the conclusion that anti - shear capacity of abnormal joint are studied in entire crack state by studying the minor core of abnormal joint is made, the calculating formula for anti - shear capacity of abnormal joint is proposed with a view to asymmetry in stirrup yield

    摘要根據9個鋼筋混凝土框架異型節點試件的擬靜力試驗結果，指出異型節點受力過程分為初裂、通裂、極限和破壞4個階段；討論了軸壓比、節點核芯配箍率、柱截面高度變化對異型節點抗剪性能的影響；提出應考慮節點核芯區箍筋屈服的不均勻性並在通裂狀態下以「小核芯」為分析單元來研究此類節點抗剪承載力的建議；最終給出了異型節點抗剪承載力的計算公式。
  10. The aseismatic behaviors of the two frames are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc, to find the influence of steel - fiber concrete to the aseismatic behaviors of the prestressed concrete flat - beam frame structures

    計算機模擬模擬結果和試驗結果的比較發現，在框架的開裂破壞形態、極限承載力等方面基本吻合。該研究成果可為扁梁框架結構體系的設計和有關規范的增補提供依據，具有很好的應用前景。
  11. Considering the concrete cracking, the bent rigidity was corrected in terms of code for design of concrete structures ( gb50010 - 2002 ). with the receivable deviation in engineering, the calculated deformations and the ultimate capacities calculated by the formula of code are shown to be in satisfying agreement with the experimental results

    本文應用sap2000有限元程序對試驗模型進行了研究，分析了這種樓蓋結構的極限承載能力，並與實測承載力進行了對比，計算中考慮了開裂后各桿件剛度的修正。
  12. 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

    根據彈塑性理論，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（埋置深度） 、樁徑、粘聚力、內摩擦角及變形模量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。
  13. With the support of methodology and approaches pertaining to medicine, psychology and physiology, this research explores the correlation among speed, roadway alignment, environment and physiological and psychological element of driving behaviors on the basis of abundant data obtained from field study, which lays the foundation for further analysis of what represents a comfortable and safe situation and for the calibration of threshold value of coefficient of transverse force

    本研究應用醫學和心、生理學方面的理論方法和研究手段，通過大量的行車試驗，尋找汽車行車速度、道路線形、道路環境與駕駛員行車心、生理需求的內在關系和規律。以此為基礎，研究在山區雙車道公路上行車，緊張與不緊張，安全與不安全的條件，研究橫向力系數等的極限值。
  14. The static triaxial test of two engineerings shows that the breaking strength of asphalt concrete declines significantly as the temperature rises and the strain increases noticeably when breaking. increase in the asphalt content leads to decrease in tangent modulus and cohesion, but the internal friction angle tends to increase. increasing confining stress results in the augment of the maximum stress and the ultimate value of volumetric strain

    兩個實際工程的靜三軸變形與強度試驗表明，隨著溫度升高瀝青混凝土破壞強度明顯降低，破壞時應變明顯加大；瀝青含量的增加會導致切線模量和凝聚力降低，但內摩擦角趨于增加；周圍壓力增大會導致最大應力_ d增大，其體變壓縮極限值也越大。
  15. Based on the test data of the crc beams taken from some chemical plants, which were mainly corroded by chloride, a calculation model was derived to calculate the ultimate load bearing capacity of such crc beams. then, bp nn model was built up to predict the ultimate load bearing capacity of crc beams. using such nn model to analyze many groups of test data ( under various corrosion cases ), satisfactory results are achieved

    基於目前較少開展的實際腐蝕環境下鋼筋混凝土構件受力性能的試驗研究，通過引入受腐蝕混凝土和銹蝕鋼筋的損傷因子導出了受氯離子腐蝕鋼筋混凝土構件極限承載力計算模型；建立了bp神經網路模型對受腐蝕鋼筋混凝土梁承載力進行了預測，通過對多組國外試驗研究結果（不同腐蝕作用情況下）的分析均取得了令人滿意的預測結果，並且隨著試驗資料的積累，預測效果可以得到進一步的改善；因此，本文建立的神經網路模型對受腐蝕鋼筋混凝土構件承載力研究是一種十分有效的方法，具有較好的應用前景。
  16. Also, the design ultimate strain of cfrp is discussed and a simple design method is brought forward on the basis of experiment results

    本文在試驗的基礎上給出了碳纖維的設計極限應變並提出了加固後梁正截面承載力的簡化計算方法。
  17. The multi - purpose tester developed here is aim at testing the mechanics performance of the brittle material, which bases on modular design thought, it contains several modules as the machinery load component, platform of supporting, the function modules and the software system, they can be combined in different function modules to satisfies the need of different application situation. the tester can be used to measure not only general material properties such as elastic modulus, ultimate strain, strength, hardness and toughness, fatigue properties but also various special properties such as the local strength, and surface residual stress at the different location of the brittle component with non - destructive methods. thus the security and reliability of the brittle component can be evaluated and predicted

    本文基於模塊化設計思想，研製了一臺專門針對脆性材料力學性能測試的多功能脆性材料試驗儀，其主要包括機械加載模塊、支撐平臺、功能模塊、測控系統、軟體系統等模塊，通過對這些模塊的不同組合可實現不同的功能及滿足不同應用場合要求;系統除了具有測試脆性材料的彈性模量、極限應變、強度、硬度、韌性等常規性能外，還具有無損測試玻璃構件不同位置的局部強度和表面預應力，進而對玻璃構件的安全可靠性和壽命進行預測等功能。
  18. First read in the calculation result file i. e. d3plot, then input the correlative material parameters and ultimate strain from experiments, and the developed software will produce the forming limit stress diagram used as sheet metal instability criterion and the stress contour of the part

    所開發的應用軟體，首先讀取dynaform的計算結果文件d3plot ，輸入材料的相關參數和試驗所得到的板料的極限應變，軟體即可生成用作板料失穩判據分析用的成形極限應力圖和零件的應力雲圖。
  19. Bearing capacity and displacement are two main problems in the application of geotechnical engineering. based on a series of pull - out tests using three kinds of paper and a sort of window screening as geogrid, twenty - seven in limit and several in working - stress geogrid - reinforced slope model tests designed through orthogonal principle have been conducted to have obtained the relationship between the bearing capacity and four factors ( i. e. reinforcement, angle of reinforced slope, the designed - length of reinforcement and the distance between layers of reinforcement ). the law of slope lateral ( horizontal ) displacement versus to the height of slope vary with external - load was derived from the model test data, and the main factor affecting the lateral and vertical displacement of geogrid - reinforced slope was obtained through analysis

    承載力（強度）和變形是巖土工程應用領域的兩大主要問題，本文以紙和窗紗布模擬加筋土邊坡的土工格柵，在一系列拉拔試驗的基礎上，以正交設計理論分別安排27個極限應力狀態和若干個工作應力狀態加筋土邊坡模型試驗，並以模型試驗獲得的數據為依據，採用誤差、極差及回歸分析方法，探討了加筋土邊坡承載力與筋類、筋長、層間距、坡角4因素的相關關系，獲得了在外荷載作用下加筋土邊坡的側向位移隨坡高的變化規律（並進行了定性解釋）和坡頂的豎向位移特性，並分析其主要控制因素。
  20. We analyes post - tensioned prestressing properties and comparing with practiced results. we analyse one - way precast slab sandwich negative moment section resistant crack properties and two - way precast slabs sandwich under plane resistant crack at unprestressed section and second - prestressing propties. we compare canceling bonded reinforcement with laying on bonded reinforcement resistant crack properties and deformation. auxiliary lab include : concrete resistant pollution intensity. concrete resistant compressing intensity and elastic modulus, compare with results of code. analyse sandwich ' s strain and long - time stress, strain and introduce a new method through theory calculating long - time stress and strain

    配套的試驗研究有：混凝土的抗拉強度和彈性模量試驗及混凝土的抗壓強度和彈性模量試驗，混凝土的極限抗拉強度和極限拉伸應變試驗，並與《混凝土結構規范》 （ gb50010 - 2002 ） ，結果進行了對比；單塊夾層板放張階段的彈性應力、應變分析和長期應力、應變分析，並詳細介紹了按混凝土徐變理論進行長期應力、應變分析的方法。
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