plain strain 中文意思是什麼

plain strain 解釋
簡單應變
  • plain : vi 〈古、詩、英方〉發牢騷,訴苦;嘆惜,悲傷;哀悼;悲歌,痛哭。adj 1 平的,平坦的。2 平易的;普通...
  • strain : vt 1 用力拉,拉緊,抽緊,扯緊。2 使緊張;盡量使用(肌肉等)。3 強迫,強制;濫用,盡量利用。4 拉傷...
  1. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型,在研究了脈沖超聲波在無限長板中傳播的基礎上,對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。
  2. The stress induced electrical current changes with stress changing. the sensitivity of cfrc and plain concrete depends on their component, loading condition and the method of measurement. the study on mechano - electric effect of hardened cement paste provides a new method to make smart concrete structures. according to nonequilibrium thermodynamics, a mathematical model on the relatrionship between strain gradient and electric potential gradient is presented

    研究表明,碳纖維混凝土(粗骨料)的電阻隨所受荷載的變化而變化,不同組成混凝土的力電機敏特性不同,力電機敏特性可望用於混凝土結構的應力診斷,從而為智能混凝土結構的實現開辟了新的途徑。
  3. The analysis showed the strain of section is not plain under moment so that the moment is carried by force couple in the outer frame. 4. the paper gave the rigid frame - compression bar model for practical computation

    在試驗研究的基礎上,提出了密肋復合墻板實用設計的鋼架斜壓桿模型;通過線彈性有限元分析,就其優化設計進行了探討。
  4. ( 6 ) the electrically induced strain is observed in both cfrc and plain oncrete. compared with plain concrete, cfrc demonstrates more sensitive to the outward electric field. that is, cfrc can produce the same strain as plain cement paste with smaller voltage

    ( 6 )得出了碳纖維混凝土和素混頒土在外加電場作用下,山電場產生的變形與電場的對應關系,表明電場引起的變形隨外加電壓的增加而增加,梁彎曲的方向隨電場方向而變化,碳纖維混凝土比素混凝土具有高的電力敏感性。
  5. Fatigue tests were carried out for 70 small - scale beams ( 55 lsfrc beams and 15 plain concrete beams ). the evolvement of fatigue strain and damage with cycles was discussed and the influence of steel fibers and the stress level on the fatigue strain and damage was analyzed

    通過70根(層布式鋼纖維路面55根,素混凝土15根)試驗小梁的等幅彎曲疲勞試驗,得出了層布式鋼纖維路面混凝土的疲勞變形和損傷特徵,並分析了鋼纖維和應力水平對疲勞變形和損傷的影響。
  6. By fatigue test of 70 beams measured 150x150x550, this paper study fatigue of sfrc. firstly, this paper get fatigue life and fatigue strain of the beams by test, validate the better fatigue value of sfrc by the contrasting test of plain concrete beams

    首先,本文通過試驗,得到了層布式鋼纖維混凝土在不同應力水平下的疲勞壽命及疲勞應變;並做了素混凝土的對比疲勞試驗,驗證了層布式鋼纖維混凝土較素混凝土為優。
  7. The electrically induced strain is observed in both cfrc and plain concrete. compared with plain concrete, cfrc demonstrates more sensitive to the outward electric field. that is, cfrc can produce the same strain as plain cement paste with smaller voltage. lt can sense impact taking advantage of electric emission

    以上研究成果,對深入認識碳纖維混凝土(粗骨料)和普通混凝土的力電特性和機理,為智能混凝上及其結構系統的進一步研究應用,具有重要的理論意義和廣闊的應用價值。
  8. Finally, to consider the effect of the compression of the approach embankment to the determination of the tolerable differential settlement, this paper, considering the flexible pavement as viscoelastic multilayers and dividing the moving traffic load into fourier series, presents the formulation and the application of a combination of transfer matrix and laplace transform and fourier transform approach to evaluate dynamic response of the flexible pavement subjected to a moving traffic load under modified plain - strain condition. the predictive capability of the model are verified by the laboratory model

    為了考慮車路耦合對路橋過渡段容許差異沉降確定的影響,本文將柔性路面視作粘彈性體層狀體系,採用修正的平面應變模型,將移動的車輛荷載用傅立葉級數展開,用傳遞矩陣配拉氏變換和傅立葉變換法進行了移動荷載作用下柔性路面動力響應分析,並用模型試驗證明了理論分析結果的正確性。
  9. In this paper, systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed, different distance between weak interbed and limit of excavation, different thickness of weak interbed, in the different confining coefficient and representational surrounding rock mass graded ii, iii, iv. all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion, through the integrated numerical analysis program final. plentiful numerical test results have been drawn via analyse the deformation, tensile stress region, plastic region of surrounding rock and the stress status of shot - crete

    大量的工程實踐表明,軟弱夾層對地下洞室圍巖穩定性的影響有著決定性的作用,本文以大型數值模擬分析系統final為平臺,採用彈塑性應力應變關系和m - c屈服準則建立平面應變問題有限元模型,對軟弱夾層的分佈部位、分佈距離、軟弱夾層的厚度對圍巖穩定性的影響以及在具有不同側壓力系數的地應力場中和、 、類代表性圍巖中軟弱夾層對圍巖穩定性的影響進行了系統的數值試驗,研究得出了軟弱夾層對圍巖位移、拉應力區、塑性區以及噴射混凝土層內力等影響豐富的量化成果,以便直接為工程設計人員提供參考。
  10. A theoretical solution of cylindrical shells for axisymmetric plain strain elastodynamic problems

    圓柱殼的軸對稱平面應變彈性動力學解
  11. 5 ) based on test results and going by ultimate balance theory, the paper drew anti - shear formula of the wall under eccentric loads, and discussed the main factors which influenced its anti - shear bearing capacity. 6 ) based on plain section assumption, the paper studied the normal section bearing capacity of the wall. stress, strain and deformation computation was combined to establish bearing capacity formulas for the normal section under moment, unaxial loads and axial loads respectively

    6 )以應變平截面假定為基礎,對密肋復合墻體正截面極限承載力進行研究,即將墻體從初始受荷到正截面極限狀態的各階段的應力、內力及變形計算貫通起來,建立了墻體正截面壓彎、拉彎承載力實用計算公式和軸心承載力計算公式。
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