裂縫尖端 的英文怎麼說

中文拼音 [lièféngjiānduān]
裂縫尖端 英文
crack test
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 縫 : 縫名詞1. （接合處） seam 2. （縫隙） crack; crevice; fissure; slit
  • 端 : Ⅰ名詞1 （東西的頭） end; extremity 2 （事情的開頭） beginning 3 （門類; 方面） item; point 4 （原...
  • 裂縫 : 1. （裂開的縫兒） rent; rip; hiatus; tear; rift; crevice; crack; fissure 2. [地質學] fracture; rupture
  1. According to the recorded full process fracture curve, the paper calculated and compared the fracture toughness ( kic ), the fracture energy ( gf ) and crack tip opening displacement ( ctod ) of the different strength grade boulder concrete and crushed stone concrete, it is found that the maximal load ( fmax ) and the fracture toughness ( kic ) of boulder concrete and crushed stone concrete increase when the strength of them increases, so does the fracture energy of boulder concrete, but the fracture energy of crushed stone concrete does n ' t obviously increase when it ' s strength increases. the crack tip opening displacement ( ctod ) of all specimens chang less when the strength of concrete increases, so it is concluded that the location of the axle in the ligament of the specimens is relatively stable

    根據記錄的全曲線，計算了不同強度等級的卵石混凝土、碎石混凝土的斷裂韌度k _ （ ic ） 、斷裂能g _ f以及裂縫的尖端開口位移ctod ，比較了不同強度等級卵石混凝土及碎石混凝土的斷裂韌度k _ （ ic ） 、斷裂能g _ f以及裂縫的尖端開口位移ctod的關系，發現卵石混凝土、碎石混凝土的荷載峰值fmax 、斷裂韌度k _ （ ic ）隨強度增加而增加，卵石混凝土的斷裂能g _ f隨強度增加而呈增加趨勢，碎石混凝土的斷裂能g _ f隨強度增加變化趨勢平直，增勢不明顯。
  2. Steel fiber scatters stress converging in the area of the top end of tiny cracks, restrict the occurrence and development of cracks, diminishes the width of cracks, and enhances the integrity of concrete with the occurrence of cracks via the effect of felting between concrete and steel fiber, and consequently the strength of concrete that resists compression, tension, and shear force increases obviously, and the capability of concrete that resists compact, and fatigue, and the ductility and durability of fissured concrete improve

    鋼纖維削弱了混凝土微裂縫尖端的應力集中、限制並約束裂縫的產生和開展、減小裂縫寬度、尤其是通過粘結作用提高了裂后混凝土的整體性，從而使混凝土的抗拉、抗彎、抗剪強度顯著提高，其抗沖擊、抗疲勞、裂后韌性和耐久性也有較大程度的改善。
  3. 4. the influence of interfacial micro - crack point of new and old concrete on in adhesive fracture toughness is discussed

    從界面斷裂力學的基本理論出發，討論了新老混凝土粘結面裂縫尖端微裂縫區對粘結面斷裂性能的影響。
  4. The analyzing result indicated that reflective crack ' s propagation model is decided by the stress at top of the crack, which often is a compound propagation model

    分析計算結果表明，反射裂縫的擴展方式取決于裂縫尖端的受力情況，一般為復合型裂紋擴展。
  5. Firstly, after depicting the singularity of stress field at the top of crack, the finite element method to calculate stress intensity factor of plain fracture problems is founded

    首先，對反射裂縫尖端應力場的奇異性進行了描述，建立了平面斷裂問題應力強度因子的有限單元解。
  6. In this thesis, the stress intensity factors of top - down cracks caused by loading are calculated using three dimensional finite element model and compared to the results of plane strain model

    本文採用三維有限元模型分析了荷載作用下自上而下裂縫尖端的應力強度因子，並與二維平面應變模型分析的結果進行比較。
  7. As for traffic load, two situation were analyzed, symmetrical load and asymmetric load, in each of them, crack top ' s tension stress, shear stress and stress intensity factor were calculated, also the effect of structural parameters were analyzed

    把交通荷載分為對稱荷載和偏載兩種情況，計算了裂縫尖端的拉應力、剪應力以及強度因子，並對路面結構進行了參數分析。
  8. In this thesis, the stress intensity factors of top - down cracks caused by load are calculated using three dimensional finite element method, and the fatigue propagation rules and fatigue lives of top - down cracks are analyzed using paris law

    本文採用三維有限元方法分析了荷載作用下自上而下裂縫尖端的應力強度因子，並採用paris公式分析了自上而下裂縫的疲勞擴展規律與疲勞壽命。
  9. Pavement ' s temperature distribution field when suffering sudden temperature dropping was numerical simulated. crack top ' s tension stress and stress intensity factor caused by thermal stress were computed, structural parameters " sensitivity analysis were made as well

    對路面突然降溫時的溫度場進行了數值模擬，計算了溫度應力作用下反射裂縫尖端的拉應力、應力強度因子，並對其進行了參數分析。
  10. In the account and analyses, we take into account the temperature stress in the cases : the base course is not cracking and the base course has been cracked. according to case of the base course cracked, the stress intensity factor of crack tip has been counted. according to case of the base course not cracked, the bend experimentation, the snap experimentation, the fatigue experimentation and the compress experimentation have been done, in addition, according to the latter, the finite element analyses have been done to demonstrated the temperature stress and the prime location of the glasgrid

    在分析計算中，主要考慮基層開裂前和基層開裂后兩種情況下的溫度應力場，對基層開裂后，裂縫尖端的應力強度因子進行了計算；對基層開裂前的溫度應力場進行了室內小梁彎曲實驗、劈裂實驗、疲勞實驗、壓縮實驗，結合有限元分析結果，論證了基層開裂前的溫度應力場及格柵的最佳鋪設位置；研究成果在寧夏古王路上進行了驗證。
  11. ( 5 ) aiming at irregularity of a real fracture surface or a real crack profile, applying griffith ' s criterion and fractal geometry, the real asymptotic expression at the crack tip is developed, and it is discovered that the fractality of the crack reduces the stress singularity at the crack tip

    （ 5 ）針對實際斷裂面或裂縫的不規則性，利用griffith能量平衡原理及分形幾何，推導了裂縫尖端實際應力場和位移場的表達式，研究發現，裂縫的分形性減小了裂縫尖端應力的奇異性。
  12. By comparing the fracture toughness ( kic ), the fracture energy ( gf ) and the crack tip opening displacement ( ctod ) of the same strength grade concrete, it is found that the values of the fracture toughness ( kic ), the fracture energy ( gf ) and the crack tip opening displacement ( ctod ), tested by three - point - bending method and wedge - split tensile method approach, so it is proved that the fracture toughness ( kic ), the fracture energy ( gf ) and the crack tip opening displacement ( ctod ) are related to its own properties such as material, specimen size, and crack size, but unrelated to the test - method

    通過比較三點彎曲法和楔入劈拉法測定的相同強度等級混凝土的斷裂韌度k _ （ ic ） 、斷裂能g _ f以及裂縫的尖端開口位移ctod ，發現兩種試驗方法測定的斷裂韌度k _ （ ic ）斷裂能g _ f以及裂縫的尖端開口位移ctod的數值接近，從而證明混凝土斷裂韌度、斷裂能、 ctod的值僅與材料、試件尺寸、裂縫尺寸等試件自身的性質有關，而與試驗方法無關。
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