deformation at failure 中文意思是什麼

deformation at failure 解釋
破壞形變
  • deformation : 變形,走樣
  • at : 1 Air Transport(ation) 2 【電學】 ampere turn 3 antitank 4 Atlantic Time 5 alternative technolo...
  • 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. In this paper, using the program ( epagpll ), the bored testing pile group of the chinese architecture science and research institute at luokou area are analysised. the comparisons among analytical results of four constitutive models of soil are made, and the deformation of piles and soil, the soil resistance of the piles, the friction beneath cap, the aclinic displacement of the ground soil before piles and the failure pattern of pile group are discussed in detail

    本文利用所編的程序,對上海地區豎向荷載作用下的單樁的流變效應進行了分析,並通過樁體位移?時間關系曲線,確定軟土地基上豎直受力樁的承載力,分析了豎直受力樁的最終沉降量的大小,並結合《上海地區地基基礎》地方規范就程序計算結果進行了對比。
  2. Abstract : based on the data obtained from field observations and deformation monitoring, this paper deals with the deformation and failure of a double - decked slope composed of soft rock strata in its lower part and hard - brittle rock strata in its upper part. it is demonstrated that the deformation of this kind of slopes is always initiated by the non - homogeneous rheological compression of the lower soft rock strata, leading to the tension fracture and toppling of the upper hard rock strata, and at last the sliding of the whole deformed body will be caused by the shear failure along the stress - concentration zone in the lower soft rock mass under the actions of the gravitational loading and infiltration water

    文摘:以現場考察和變形監測資料為依據,探討一個下部有軟弱基座,上部為硬脆性坡體的「二元結構」邊坡的變形破壞問題,揭示這類邊坡的變形總是以下部軟弱巖體的不均勻壓縮流變為先導,進而引起上部硬脆性坡體的拉裂與傾倒,最終通過滲入水的作用,使下部承載狀況已進一步惡化了的軟弱巖體,沿剪應力集中帶發生剪切破壞而導致整個變形坡體的下滑。
  3. In this paper, the researching and developing situating at home and abroad on aseismic properties of the masonry structures are reviewed. aiming to the defects of the calculated formulas of the aseismatic shear strength of brick walls in the code for seismic design of building ( gb50011 - 2001 ) and the code for design of masonry structures ( gb50003 - 2001 ), through test on brick wall models between the single wall and the wall with flanges, restoring force characteristics, the behavior at failure of the brick masonry wall and the effect of longitudinal wall under cyclic horizontal loading were analyzed the aseismic capacity has increased by 31 % for wall with flanges, the rigidity and deformation of the wall has gone up greatly too. the conclusion that the effect of longitudinal wall should be comprised in the aseismatic formulas was proposed

    本文回顧了國內外關于砌體結構抗震性能的研究與發展現狀,針對建築抗震設計規范( gb50011 - 2001 )和砌體結構設計規范( gb50003 - 2001 )中墻體抗震驗算公式中的不足之處,通過單片墻和帶翼緣墻在垂直荷載和水平反復荷載作用下的對比試驗,研究了帶翼緣墻在水平反復荷載作用下的恢復力特性曲線、磚墻破壞特徵以及縱墻的影響等,翼緣墻的存在,主墻抗剪能力可以提高31 ,剛度及變形能力也均有較大提高的結論,墻體驗算公式中應當考慮縱橫墻共同作用的影響。
  4. This dissertation generalizes the test on the full - scale reinforced concrete simply - supported slabs and three - span continuous slabs under fire at the normal loading condition. the conclusion can be drawn from the test about the deformation of the both kinds of slabs and the specimen section temperature distribution. meanwhile, the failure modes, mechanism and internal force redistribution of the continuous slabs are analyzed

    本文對足尺鋼筋混凝土簡支板、三跨連續板進行了恆載下的受火試驗研究,通過試驗,給出了鋼筋混凝土簡支板和連續板在高溫下的變形、構件截面溫度分佈規律;分析了連續板的內力重分佈和破壞機構的特點。
  5. And the finite element method ( fem ) was used to simulate the stress and deformation of the outer casing and the bearing chock. on the basis of the experiments and fem analysis, the strength and fatigue lifetime, the interaction of creep and fatigue lifetime, the creep lifetime of outer casing and bearing chock have been analyzed, at the end of trail, sem analyses of failure section has been conducted

    同時對航空發動機燃氣渦輪外機匣和軸承座進行了有限元模擬計算,得到外機匣和軸承座的焊接處的強度和變形情況的模擬結果。根據試驗數據和有限元的計算結果,對發動機燃燒室外機匣和軸承座兩種結構(包含焊縫)進行靜強度分析、疲勞壽命分析、蠕變壽命分析、蠕變疲勞交互作用壽命分析以及斷口的金相分析。
  6. At the moment, the basic theory of loading mechanics is always used to search the problem of rock mass failure, but unloading and loading have different stress road and different destruction effect, so there are much difference in destruction mechanics and deformation between unloading and loading mechanics, if loading mechanics is used to study the destruction property of tunnel excavation and its stability, the result which agree to real engineering cannot be obtained

    目前一直沿用加載巖體力學方面的基本理論研究失穩問題,但本文認為:由於卸荷與連續加載具有完全不同的應力路徑和破壞效應,在破壞機理、二者引起的巖體的變形和破壞特性方面都有很大的不同,因此用加載力學來研究開挖卸荷破壞的力學特性及其穩定性,這顯然不能得出與實際工程一致的結果。
  7. The main contents of the paper are : ( 1 ) review the state and art for fiber - wound vessel with metal inner lining ; ( 2 ) provide a method to present the technical features including wound process, equal stress dome and fiber gathering at the dome etc. ( 3 ) establish a finite element analysis model considering nonlinear physical and geometrical effects and develop a equivalent constitutive relation for winding graphite fiber reinforced plastic layers ; ( 4 ) set up a failure criterion for the inner metal lining and winding graphite fiber reinforced plastic layers ; ( 5 ) develop a corresponding engineering analysis code based on the commercial software ansys ; ( 6 ) investigate the plastic deformation and residual stress in the inner lining due to winding tension and pre - tension, and stress distribution of the composite vessel under service loading case

    本文旨在為具有金屬內襯的纖維纏繞復合容器的參數設計提供分析模型、方法及工程軟體。論文主要內容是: ( 1 )對復合容器分析國內外研究的概述; ( 2 )復合容器的幾何表徵方法及工藝中若干力學問題; ( 3 )復合容器結構分析的物理和幾何非線性有限元列式及其纖維層的等效本構關系; ( 4 )復合容器的破壞類別; ( 5 ) ansys程序的二次開發; ( 6 )典型復合容器的數值討論。本論文工作將對工程界復合容器設計和分析工作者具有參考價值。
  8. At first, the mechanical model of joint is discussed, and the constitutive relation of the rough joint, especially the bolt - supported joint, is given. then bedding slide of bedding stratified rock slope is studied adopting limit equilibrium method, and a formula of stability is brought forward. at last, the bedding stratified rock slope ' s buckling deformation and failure mechanism and its evaluating method of stability is investigated, a corresponding mechanics model is established, then detail research to this failure mode is made in theory combining the energy law and elastic stability theory of plate and beam, and an analytical solution of the yielding curve is educed from this model

    文中首先對結構面的力學模型進行了一定的探討,提出了粗糙結構面尤其是加錨結構面的本構關系;然後採用極限平衡法,研究了順向層狀巖質邊坡的順層滑動失穩,提出了其穩定性計算公式;最後,結合能量定律和彈性板梁穩定理論,探討了工程中常見的順向層狀巖體邊坡潰屈失穩時的破壞機理、變形規律和穩定性定量評價方法,建立了相應的力學模型,求出了其相應的解析解,並提出了臨界坡長與最大彎曲位置的確定方法。
  9. Aimed at this instance, professor wankang luo of chongqing jianzhu university has processed much elementary research on antiseismic capability advancement of expansion web on masonry brick building. the article has researched the form and mechanization of failure, crack resistance and bearing capacity, ductility, energy dissipation, hysteretic behavior, deformation, ect, through test to contrast models with rate 1 : 2 reinforced by expansion web and steel web. the result of the study has testified it an efficient measure to lay expansion web into masonry brick building for entirely improving antiseismic strength

    在原有兩座1 : 2三層雙開間混合結構房屋模型抗震性能研究的基礎上,分別用擴張網和鋼絲網兩種材料進行加固,通過比較以揭示擴張網對于砌體結構抗震性能提高作用的內在規律,並在鋼絲網水泥漿法加固磚墻的抗剪計算公式基礎上提出一種較能反映擴張網這種新型材料受力特性的擴張網水泥砂漿加固砌體結構的抗剪計算方法。
  10. The pseudo - dynamic test of 1 / 3 - scale model six - story building assembled with hollow shear wall with seams. the internal forces, the deformation and the failure mechansm of the building under earthquake are studied. the rules of frequency, damping and response spectrum are studied. the characters of earthquake response such as structure displacement, interstory drift, action of earthquake, the amplificatory coefficient of acceleration and the rule of strain are discussed. at last, this paper presented the design method of this structure based on the aseismic style and put forward the construction

    進行了帶縫空心剪力墻結構六層樓房的1 3模型的擬動力試驗,研究了結構在水平地震作用下的受力特點、變形特徵、破壞形態等力學性能;得到了結構在不同受力階段的頻率、阻尼、反應譜等動力特性變化規律;討論了結構各樓層的水平位移、層間位移、地震力、加速度放大系數及構件應力分佈規律等結構地震反應特徵;指出了結構的抗震類型、薄弱層及薄弱部位;提出了多層帶縫空心剪力墻結構的第一階段設計方法和相應構造措施。
  11. Based on the analysis of failure features, deformation shapes, the failure mechanism of weak - rock roadway is studied systematically. optimal supporting time model of bolt - grouting support is given with different methods when analyzing the bolt - grouting supporting mechanism at large. in order to study bolt - grouting supporting mechanism systematically with simulation method in heavily stressed weak - rock coal and rock roadway of huaibei mine, fem models under different conditions are found by using fem program - ansys. finally, construction technics, grouting parameters, and so forth, are studied and applied in the coal and rock roadway of taoyuan and qinan mines

    在對深部高應力軟巖巷道變形破壞特徵、變形破壞形態分析的基礎上,對巷道變形破壞機制進行了較為系統地研究;接著在對錨注支護機理進行了詳盡分析的同時,提出了最佳錨注支護時間(段)的概念,並建立了最佳錨注支護時間模型;以淮北礦區深部高應力軟巖煤、巖巷道為背景,採用大型有限元軟體ansys ,分別建立了不同條件下的數值計算模型對錨注支護進行了較為全面系統的數值模擬研究,得出了一系列有價值的結論。
  12. Abstract : a previously proposed approximate quasi - static theoretical method is employed herein to examine the deformation and perforation of a simply - supported circular plate struck by a flat - faced projectile at normal incidence. based on the principle of virtual work, static load - displacement relationships are first obtained and then used to predict the energy - absorbing capacity of the plate subjected to relatively low speed impact. it is shown that good agreement is obtained between the theoretical predictions and the available experimental data, provided that adiabatic shear plugging failure does not occur, but the influence of strain rate sensitivity is taken into account

    文摘:採用準靜態近似理論方法分析簡支圓板在平頭彈丸正撞下的變形和穿透.首先基於虛功原理得到了靜態荷載位移關系,並將其用於預測低速沖擊下圓板的能量吸收能力.當考慮了材料的應變率敏感性,並且不發生絕熱剪切沖塞破壞的前提下,理論預測和實驗結果吻合良好
  13. 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。
  14. The paper probed the applying of multi - ribbed slab with outer light frame structure ( mrsolfs ) to the upper structure of buildings with commodious space at the bottom and the feasibility of replacing lfswsums with frame - supported multi - ribbed composite slab structure ( fsmrcss ). firstly, the paper carried out test study base on the pseudo - static test under horizontal loads on four two - spanned model members of fsmrcss, including three 1 / 2 - scaled two - storeyed models and one 1 / 3 - scaled three - storeyed model. by the test study, the paper analyzed the test results, including analysis on mechanical property of the constructure under vertical loads, and failure mode, deformation capacity, aseismic performance under horizontal loads and constant vertical loads

    本文首先對三個兩跨兩層和一個兩跨三層的底部大空間框支密肋復合墻結構的1 2和1 3比例模型進行偽靜力試驗研究,通過對底部大空間框支密肋復合墻結構在豎向荷載及與水平低周反復荷載共同作用下的受力性能的試驗研究,探討了結構的變形性能、滯回耗能和破壞形態,並與框支砌體結構進行對比分析。
  15. I. e., the effect of linear and nonlinear analysis, the gradient of pile, the length of pile stick - up, and the horizontal force on the stability of pile stick - up were studied in details. 2. based on the difference of deformation and failure mechanism for pile side soil and pile toe soil, soil mechanics theory, and results of laboratory experiments and field tests, hyperbolic model and ideal elastic - plastic model were proposed to describe the behavior of the soil adjacent to the pile shaft and the soil at the pile toe, respectively

    2 .根據土的非線性和非彈性特性以及室內與現場試驗結果,而且基於樁側土體與樁端土體在豎向荷載作用情況下的變形和破壞機理不同,提出應採用不同土體模型分別模擬樁側、樁端土體在打樁過程中所發揮的靜阻力,即:建立了樁側土體雙曲線模型,並推導了樁端土體理想彈塑性模型。
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