極限破壞強度 的英文怎麼說

中文拼音 [jíxiànpòhuàiqiángdù]
極限破壞強度 英文
ultimate strength of rupture
  • 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
  • 破 : Ⅰ動詞1 （完整的東西受到損傷） be broken; be damaged 2 （使損壞） break; break down; damage 3 （使...
  • 壞 : Ⅰ形容詞1 （不好的; 惡劣的; 使人不滿意的） bad 2 （表示程度深 多用在表示心理狀態的動詞或形容詞後面...
  • 強 : 強形容詞（強硬不屈;固執） stubborn; unyielding
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 極限 : 1 （最高的限度） the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 破壞 : 1 （使建築物等損壞） destroy; wreck; ruin 2 （使事物受到損害） do great damage to; do harm to; da...
  1. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上，提出了以準彈性臨界作為穩定臨界準則的設計極限狀態，分析了按該準則設計的大壩的實際工作狀態，導出了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式，探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值，並與現行規范方法進行了比較
  2. Here we obtain the strain compatibility method ande equilibrium of forces and concepts of fracture mechanincs, they can be used to predict the ultimats strength in flexure that can be achieved by such elements, given the cfrp cross - sectional area, or conversely, the required cfrp cross - sectional area to achieve a targeted resisting moment of rehabilitated flexureal elements

    Cfrp加固梁在承受彎曲荷載時的破壞是鋼筋屈服后碳纖維斷裂和鋼筋屈服后混凝土壓碎。本文通過應變相容方法和對破壞機理的定義，由給定的cfrp橫截面積預測加固梁的極限彎曲強度；或者相反，在已知加固梁的極限彎曲強度時可以求出所需的cfrp橫截面積。
  3. 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塑性破壞。因此，對于衡量船體結構的安全性而言，對甲板、底板、舷側板進行屈曲和極限強度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。
  4. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖面應力分佈之後，關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式，即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響，使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲，採用解析法推導出筋的腹板的撓度方程及其邊界條件，求解相應的方程，從而計算出腹板的局部屈曲應力。
  5. The main conclusions are remarked as follows : ( a ) the theory formula between the ultimate tensile force and interface cohesive intensity has been established. according to ultimate tensile force from in - site measure, the scientific interface cohesive intensity parameter has been achieved, then, the numerical analysis of the tension - draw test has been made

    主要研究成果： 1 、從理論上建立拉拔試驗中「極限拉拔力」和「界面粘結強度」的關系，再藉助現場實測的極限拉拔荷載，獲取釘土界面的合理粘結強度參數，對拉拔試驗進行數值模擬分析，驗證了模擬模型中界面單元的可靠性和精度，並標定了數值試驗中土釘的破壞模態。
  6. Taking an ultimate deflection more than 1 / 50 of calculating span as the determinant term, by the means of numerical analysis and regress equation respectively, this paper discusses the reasonable stretching controlling stress of usual span and reinforcement slabs for design reference

    以極限撓度達到跨度的1 50作為延性破壞的判定指標，本文分別運用數值分析程序試算和回歸方程得出了常用跨度、常用配筋的中強（ 1270mpa ）螺旋肋鋼絲預應力混凝土空心板的張拉控制應力的取值，供設計參考。
  7. Thirdly writer, using linear elastic theory and finite element program ( ansys ), analyzed expanding bolt pullout test. fifthly, writer using the modified mohr - coulomb failure theory, on the base of curving failure surface, derived a theoretical formula between pullout force and compressive strength. then the thesis compared the formula with the strength - detecting formula of expanding bolt pullout method

    本文採用ansys有限元程序對脹栓拔出法試驗過程進行彈性理論分析；以修正的摩爾-庫侖破壞準則，在擬合實際破壞面的基礎上推導出極限狀態下脹栓拔出法的混凝土拔出力與混凝土抗壓強度的理論公式，並把該公式與脹栓拔出法測強公式進行了比較。
  8. The stress of slag rests with the structure, physical characteristic, and heat transfer status of slag. taking no. 1 boiler of beilun thermal power plant as example, the walltube thermal stress and the destroying impact on slag are researched

    得出鍋爐大范圍變負荷運行時熱應力能夠超過渣的強度極限引起渣結構破壞的結論，渣層的熱應力主要取決于渣的結構、物理特性和傳熱狀態。
  9. 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。
  10. On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed

    借鑒已有試驗的經驗，本文設計和完成了對18根超高強混凝土無腹筋梁（包括9根簡支梁和9根約束梁）在集中荷載下抗剪強度的試驗，觀察了試件從裂縫出現到完全破壞失去承載能力全過程的試驗現象並通過拍照進行記錄，獲得了試件的斜裂縫出現荷載、臨界斜裂縫荷載和極限荷載等荷載值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及撓度值等。
  11. The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels

    實驗結果顯示：鋼渣摻合料能顯著減緩水泥漿體水化速率，降低砂漿的水化溫升並延遲最高溫升時間；補償混凝土收縮，提高混凝土密實度，加強纖維與水泥石的界面粘結，增強混凝土力學性能，但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生阻裂效應，增韌鋼渣防滲抗裂混凝土；增加混凝土的破壞極限能，極大提高混凝土抗彎曲能力和韌性指數，改善混凝土脆性。
  12. Abstract : in this paper, based on a lot of testing and analyzing results at home and abroad, working principle and failure mechanism of concrete and reinforced concrete are put forward, strength theory - wedge cleaving theory of local pressure of concrete and reinforced concrete are set up, and calculation formula and simplified calculation method of local pressure strength are developed according to extreme balance principle

    文摘:本文根據大量試驗和國內外資料分析結果，提出混凝土及鋼筋混凝土局部承壓工作機理和破壞機構；建立混凝土及鋼筋混凝土局部承壓的強度理論? ?楔劈理論；並根據極限平衡原理導出局部承壓理論承載力計算公式和實用計算方法。
  13. During the initial pan - milling period ( 1 - 5 milling cycles ), a sudden particle size reduction was observed, which can be described by " avalanche " pulverizing mechanism, i. e., large amount of energy caused by pan - milling press force accumulated in deformable polymers to a critical point and then the deformed polymer flakes suddenly collapsed to small particles by shear force

    結果表明，在碾磨初期（ 1 5碾磨循環） ，聚合物粒子的粒度有一個驟降過程，是磨盤強大擠壓力場作用於塑性材料引起的能量積累達到其破壞極限后引起的突然破碎，可用均一粉碎機理描述。
  14. The fundamental failure modes of cfst arches are loss of stability and loss of material strength. the process of a cfst arch from initial loading to the arrival of ultimate load - capacity before failure is a process of complicated nonlinearity

    鋼管混凝土拱的破壞形態主要有失穩破壞和強度破壞，拱從開始加載至達到破壞前的極限承載力的過程是一個復雜的非線性過程。
  15. This thesis used along caldwell ' s direct calculation method of the ultimate strength of ship hull girders, considered the double bottom and upperwing tank to ship ultimate strength contribution, first defined the stress distribution of the whole section of the ship girders. that is : in the sagging condition, deck and side shell of nearby deck remain the ultimate bucking strength, double bottom remain the yield stress. and the other parts keep elasticity

    本文沿用caldwell等人直接計算船體極限強度的思想，考慮雙層底和頂邊水艙對船體極限強度的貢獻，首先將船體梁整體破壞時剖面應力分佈確定為：在中垂狀態下，甲板及甲板附近的舷側均屈曲，雙層底區域則均屈服，其他部分保持彈性狀態；在中拱狀態下，雙層底及之間的底舷側均屈曲，甲板及頂邊水艙區域均屈服，其他部分則保持彈性狀態。
  16. On the other hand, for the pre - press stress being threw by the hub was inserted after cooling with liquid nitrogen, the poor transverse tension strength of the multi - ring flywheel rotor could be counteracted. so the rotate speed and energy storage density can be increased efficiently

    而採用多環套裝纏繞技術製造的多層飛輪輪環，在利用溫差過盈裝配方法給復合材料輪環施加預壓應力后，能夠有效避免飛輪轉子的復合材料輪環部分因較低的纖維橫向抗拉強度而破壞失效，從而大幅度提高飛輪轉子的極限轉速和儲能密度。
  17. Then, a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment. performing sample calculations on existing girder models tests under pure bending, the rationality of the proposed method was examined

    假設船體橫向框架材足夠強，因而板架的整體破壞不會發生；基於梁?柱理論、理想彈塑性假設、平面假設，建立了拉伸和壓縮加筋板單元的平均應力?應變關系曲線，應用船體結構總縱極限強度的簡化逐步破壞分析方法計算船體總縱極限彎矩，並據此開發了計算程序sus 。
  18. The test study of the brick wall cement mortar reinforced with steel mesh indicates : when the consolidated brick wall fail in bending - shear, its ultimate horizontal load and drift stiffness respectively is 1. 5 and 2 times bigger than that of brick wall

    試驗表明，經鋼筋網水泥砂漿面層加固的墻體；在發生彎剪破壞時，極限水平荷載可以達到原墻抗剪強度的1 . 5倍以上，抗側剛度可以達到原墻體的2倍以上，剛度的提高大於強度的提高。
  19. In this dissertation, the theories of finite element and the buckling analysis of shell are discoursed systematically. under the direction of these theories, with the help of ug software and msc / nastran software, the defective casing texture is analyzed on static strength and buckling, and then, the maximum loads of the texture with different defect value are gotten, the changeable curve of the maximum load with the defect value and the permissible defect value are gotten. that the texture with various defects can be destroyed variously is discoursed in considerable detail as well

    本論文系統論述了有限單元法和板的屈曲穩定理論，並在這些理論的指導下，以ug軟體和msc nastran軟體為工具，對存在一定幾何缺陷的典型箱形構件進行靜強度和屈曲的綜合分析，分別得出了不同缺陷度的構件的極限載荷，從而得到缺陷度與極限載荷的變化曲線，給出了缺陷度的最大許用值；同時，本論文還針對不同缺陷度構件的破壞形式不同這一問題進行了詳盡的論述。
  20. Here we obtain concepts of fracture mechanincs, the required cfrp cross - sectional area to achieve a targeted resisting moment of rehabilitated flexureal element

    本文通過對破壞機理的定義，在已知加固梁的極限彎曲強度時可以求出所需的cfrp材料橫截面積。
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