strain-to-failure 中文意思是什麼

strain-to-failure 解釋
應變造成的損壞
  • 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...
  • to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
  • failure : n 1 失敗 （opp success）; 不及格。2 不足，缺乏；衰退；【醫學】衰竭。3 不履行，玩忽。4 破產，倒閉...
  1. Tensile tests of carbon filament yarn shows at high strain rate that the mechanical behavior of carbon fiber bundles are insensitive to strain rate, i. e., the failure stress strain and elastic modulus are not increased with the rising of strain - rate. however, the fractograph of carbon fiber is rate - dependent. the fractograph of carbon will become smooth from coarse as the strain rate increases

    通過對碳纖維束的沖擊拉伸試驗表明，雖然碳纖維束的力學性能與應變率基本上是不相關的，即隨著應變率的增大，碳纖維束的初始模量、破壞應力及其失效應變都變化不大，但碳纖維束的破壞斷口與沖擊拉伸實驗的應變率密切相關。
  2. Failure criterion of strain energy density and catastrophe theory analysis of rock subjected to static - dynamic coupling loading

    動靜組合加載下巖石破壞的應變能密度準則及突變理論分析
  3. The main research is below : ( 1 ) the influence to intensity and rigid with corner angle ( 60, 75 and 90 degree ) of crack and the board axes ( 2 ) do a fem stress / strain and crack growth simulation analysis when the corner angle of crack and the board axes is 60 degree ( 3 ) do a intensity resume analysis for the structure which is repaired with a titanium patch in a mechanical way when the corner angle of crack and the board axes is 60 degree through simulation analysis for three failure criterion, we have : ( 1 ) in 60, damage extend quickly with damage analysis in hashin criterion ; it is slower for analysis in maximum stress or hashin - rotem criterion. ( 2 ) in special term ( physical condition incision, shape or maximum load ) the compression strength of the stiffened plate will decline 45 % ~ 50 % under compression loads

    通過採用三個不同損傷判據的數值模擬模擬，得到如下結論： （ 1 ）在60時，用hashin判據進行的損傷分析，損傷擴展較快；最大應力及hashin - rotem判據進行的損傷分析，損傷擴展基本相當，且較慢； （ 2 ）在所給加筋板的物理條件、切口大小及形狀、最大載荷等一定的條件下，該加筋板在壓縮載荷作用下，其壓縮強度下降了45 50 ； （ 3 ）在本文提及到的機械連接修理方法以及載荷條件下，修理后的結構強度恢復能夠滿足戰時要求。
  4. 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度、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性研究這一重大課題，在詳盡的野外地質調查工作和對大量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、變形場和塑性破壞區的變化特徵，進行了全過程動態數值模擬研究，並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。
  5. Abstract : based on the fundamental principle of hypothesis strain equivalence, itwas investigated a physical concept of high strength concrete at minus temperature ( hscmt ) freezing damage parameter, the elastic modulus of frost concrete with anti freeziug admixture and without antifreezing admixture built and it was analyzed their variate process and the condition adaptated. it is purpose to judge hscmt frost failure process

    文摘:從應變等效性假說的基本原理出發，研究了負溫混凝土凍結損傷參數? ?彈性模量法中受凍后測試的損傷混凝土彈性模量的物理概念，從而分析了摻防凍劑混凝土及不摻防凍劑混凝土受凍后的彈性模量變化過程及其選用該參數的適應性條件，為判斷負溫高強混凝土材料凍結失效過程提供保證。
  6. Advanced technical ceramics. ceramic composites. methods of test for reinforcements. determination of distribution of tensile strength and tensile strain to failure of filaments within a multifilament tow at ambient temperature

    高技術陶瓷.陶瓷成分.增強的試驗方法.環境溫度下多纖維牽引內纖維斷裂拉伸強度和拉伸應變分配的測定
  7. Advanced technical ceramics - ceramic composites - methods of test for reinforcements - determination of distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at ambient temperature

    高級工業陶瓷.陶瓷復合材料.增強纖維的試驗方法.室溫下復絲束中長絲斷開時的拉伸強度和拉伸應變分佈的測定
  8. Advanced technical ceramics - ceramic composites - methods of test for reinforcements - part 5 : determination of distribution of tensile strength and of tensile strain to failure of filaments within a multifilament tow at ambient temperature

    先進工藝陶瓷.陶瓷復合材料.增強纖維的試驗方法.第5部分:周圍溫度下復絲束中長絲拉伸強度的分佈和斷裂拉伸應變的測定
  9. Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand

    利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗，研究表明，對于松砂，剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾，對于緊砂，剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾；經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。
  10. Measured results from in - site loading tests in tannin harbor and from in - door model tests were compared with predictions from the limit equilibrium methods. a method of estimating the bearing capacity for inhomogeneous medium was suggested to meet every case ; 4. according to the results from model tests, the elastoplastic fem were performed to study the procession of the change of the stress and strain in inhomogeneous medium and to simulate the procession of the forming of the failure surface during loading, and the failure mechanism was studied ; 5

    4 、結合模型試驗結果，確定出了符合非均質介質規律的彈塑性模式，在此基礎上分別運用二維、三維彈塑性有限元程序，模擬出了外荷載作用過程中非均質介質內部應力、變形以及破壞面的發展過程，分析得出了非均質介質地基的破壞機理； 5 、在港口工程地基設計當中，已經引入了可靠度理論計算分析基礎穩定性。
  11. A new test method to achieve the dynamical rock failure with medium strain rate by low - cycle - index fatigue loading

    用低周疲勞加載實現中等應變速率下巖石動態破壞的新方法
  12. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講，根據w - w的五參數混凝土破壞理論，建立混凝土的開裂準則，根據開裂應變值來判斷裂縫是張開還是閉合，從而在兩者基礎上建立了裂縫的開裂預測模式，總共有16種開裂模式；裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣，即用等效剛度代替原有剛度，考慮到垂直於裂縫方向的剛度為零，這樣會使裂后的總剛出現病態，為此文中通過引用鬆弛系數來對出現裂縫的單元進行預處理，一方面可解決因過大的舍入誤差導致計算結果的不可信問題，另一方面就是可加速收斂。
  13. Tow speciments of prestressed fabricated beam - column subassembly were tested under reversed cyclic loading. experimental studies were carried out to investigate the strain distribution, failure mechanism and load - bearing capacity on the beam - column connections, as well as ductility, hysteresis curves energy dissipation, displacement restoring capacity of full pc speciments

    本文通過兩榀預壓裝配式樑柱組合體在低周反復荷載下的試驗，了解了預壓裝配式框架梁端截面應變分佈、破壞機理和極限承載能力；探討了全預應力配筋截面延性特徵、滯回性能、耗能能力和變形恢復能力。
  14. At first, development of various cracks carefully recorded and strains on both the rebars and the stirrups were measured in detail, together with the deflections of the beam. in such a way, correlation between the measured strain profiles of the reinforcement and the observed cracking development of each specimen was pursued. principal factors contributing to the cracking pattern and failure mode were figured out as a result

    首先，通過單調靜力加載試驗研究，對梁的裂縫延伸和開展、縱筋應變、箍筋應變、梁的撓度等指標進行了細致的量測，試圖追蹤每一試件在裂縫發展及破壞過程中縱筋應變狀態的變化和裂縫發展程度的相關性，進而總結出有腹筋約束梁裂縫開展及鋼筋應力分佈的一般規律。
  15. Standard test method for time - to - failure of plastics using plane strain tensile specimens

    使用平應力拉伸樣品測定塑料老化時間的標準試驗方法
  16. Standard test method for elevated temperature tensile creep strain, creep strain rate, and creep time - to - failure for advanced monolithic ceramics

    高級單片陶瓷的高溫抗拉蠕變應變，蠕變應變率及蠕變斷裂時間的標準試驗方法
  17. ( 4 ) according to the new methods of dynamic numerical simulation analysis and resting on the engineering geological conditions of surrounding rock mass and the project design, the three numerical simulation results are obtained, from which the author analyze systematically the distribution features of stress field, strain field and plastic zone in the surrounding rock mass of the underground cavities after the excavation and also the variable features of stress field, strain field and plastic failure zones in the surrounding rock mass of the underground cavities in the course of excavation

    （ 4 ）按照動態數值模擬新思路，以地下洞室群圍巖的工程地質條件和工程設計方案為依據，系統研究了大跨度、高邊墻地下洞室群開挖完成後圍巖的二次應力場、變形場和塑性破壞區的分佈特徵，開挖過程中圍巖的應力場、變形場和塑性破壞區的變化特徵。
  18. Test method for time - to - failure of plastics using plane strain tensile specimens

    使用水平應力拉伸樣品測定塑料失效時間的試驗方法
  19. The load - deflection curve, the load - strain curve, earth pressure and distribution of sub - grade contact pressure under concentrated load, moving load and load at the side of the coal unloading chute respectively are obtained and discussed ; the whole process from cracking to failure are studied

    分別對其在集中荷載、移動荷載及堆載等作用下的側向土壓力、基底反力的分佈情況以及結構構件的荷載?應變規律、荷載?撓度變化規律和結構從開裂到破壞的全過程進行了試驗研究和理論分析。
  20. For the cyclic deformation under a given strain at room temperature, cyclic softening is usually displayed till to failure in the lower range of strain ; however, cyclic hardening is displayed in the early stage in the higher range of strain, subsequent cyclic softening in the later stage and till to failure

    對于室溫下恆應變幅的循環變形，在應變幅較低時表現為循環軟化直至疲勞破壞;在應變幅較高時，循環變形的初期為循環硬化，隨后是循環軟化直至疲勞破壞。
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