破損分析 的英文怎麼說

中文拼音 [sǔnfēn]
破損分析 英文
damage analysis
  • : 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...
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • 破損 : damaged; worn; torn; damage; failure; breakage
  1. Sonic wave analysis on uncoupled explosive - charging structure for damnification of hole wall rock

    不耦合裝藥爆對孔壁巖石壞的聲波
  2. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜結果,了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮壞響應進行了研究,了不同體積數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  3. Based on the illustration of the using state of industrial buildings and the present appraisal method of structural reliability, the paper indicates the relationship between structural state and reliability, by analyzing the feature rule and reason of scathe and demolish of steel workshop, and puts forward the basic view of appraisal method of structural reliability. structural state is the external performance of structure ; the decline of structural performance and decrease of the reliability level are shown as the alter of structure state. therefore, the analysis and appraisal of structure state can evaluate the structural reliability indirectly

    論文在闡述我國工業建築使用狀況和現有結構可靠性評定方法的基礎上,通過鋼結構廠房傷、壞的特點、規律和原因,指出結構狀態與其可靠性之間的關系,並由此提出結構可靠性的狀態評定方法的基本思想:結構狀態是結構的外在表現,結構性能的衰退和可靠度水平的降低一般都可表現為結構狀態的變化,因此通過對結構狀態的和評價,可間接地對結構的可靠性作出評定。
  4. At the same time we study, analysis and discuss the action that non - linearity - stickiness - springiness and crazing damage of the pmma sample under creep though making us of the knowledge about the high molecule physics the damage theory of material of rheology of bodies with defects. through the study and theory analysis of single - axes stretching experiment in pmma sample under creep, take the surface crazing damage density of pmma sample as an variable, to look for a commonly rule that the crazing damage of pmma, and to offer a feasible damage model for the sake of study that of pmma ' s remoteness damage

    同時運用高子物理、含缺陷流變性物體的材料壞理論等知識,對無孔洞pmma試件和有孔洞pmma試件蠕變條件下非線性粘彈性行為及其銀紋傷現象進行了研究、與探討,通過對蠕變條件下的pmma試件的單軸拉伸實驗研究和理論,以pmma試件的銀紋傷面密度值為傷變量,來嘗試尋求pmma銀紋傷的一般規律,為研究pmma的細觀傷提供了一種可行的傷模型。
  5. At present, whereas so many reasons such as its using function changing from irrigation to city water supply, the increasing of importance, the original design standard on the low side, the damage and aging of structure, the demand for seismic fortify in strong earthquake region and offering data of technical alteration for adding flux aftertime, it is important for safety and seismic capability of this aqueduct bridge

    目前,該渡槽使用功能由灌溉輸水改為城市供水、實際重要性提高、鑒于原設計標準偏低、結構的病害和老化以及地處強震區對抗震設防的要求,為日後加大流量進行技術改造提供依據,因而急需對渡槽作較詳細的安全可靠性評估和抗震性能評估。本文針對該渡槽進行了原位現場檢測,並對其進行結構計算和結構的安全性能與抗震性能的評估等方面的工作。
  6. By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25

    通過典型標準樣地調查資料,探討了造林爆整地工程的坡地穩定性與降水、地形等因子的相互關系,應用數量化理論,對在有充降水條件下的低山丘陵區的爆整地工程失程度與地形因子之間的關系進行了系統,並建立了相應的數學模型,研究指出,充的前期降水和日最大降雨量是引起爆整地工程失的激發因素;影響爆整地工程穩定性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆整地工程的地面坡度以不超過25為宜。
  7. Ale finite element analysis of hypothetical core disruptive accident in liquid - metal fast breeder reactor

    格式有限元法快中子增殖堆的假想堆芯事故
  8. And with the introduction of the modulus of elasticity from budiansky method, the general damage model of rock blasting is established in the paper. by use of the ultrasonic wave, rock damage and fracture mechanism and the fragmentation process during blasting are studied, and the theory presented in the paper has been proven

    運用超聲波等手段對巖石爆傷斷裂機理和壞過程進行了試驗研究,了不同爆條件下巖石內部微裂紋的擴展規律、傷演化和巖石碎規律,驗證了本文理論部的正確性。
  9. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的應力、化學成、變形及軌道偏移等,根據實測結果,對吊車梁系統的承載能力進行了驗算;然後,根據現場調查及計算結果,探討了焊接鋼吊車樑上部區域疲勞壞的機理,了重級工作制鋼吊車梁出現疲勞裂縫的原因,制定了初軋廠精整車間鋼吊車梁的加固方案;最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  10. The wastage morphology and reasons of gear hob used in production are analyzed, the influence of the varying hobbing torque and temperature on wastage of hob is discussed in hobbing process

    摘要對生產中使用的齒輪滾刀磨形貌進行了,探討了滾刀磨的原因及滾齒過程中滾削力和滾削溫度的變化對滾刀磨的影響。
  11. Failure analysis of carbide inserts in interrupted cutting

    硬質合金刀片斷續切削時的破損分析
  12. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,了纖維類正交鋪層復合靶板在沖擊載荷作用下的壞機理,結合包含傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道極限速度的預測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊載荷下的壞特點,建立了陶瓷/復合材料靶板抗彈性能模型,給出了彈道極限速度預測公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了,給出了在一定面密度下的最佳優化系數,討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  13. Through structural analysis of traditional semi - rigid base course asphalt pavement which appears water damage, the paper reach the conclusion that water has an effect on material design parameter and pumping leading to the change of contact condition are the main factors

    通過對傳統的半剛性基層瀝青路面出現水壞進行結構,得知水對材料設計參數的影響和由於唧漿現象導致路面結構層層間接觸條件的變化是瀝青路面出現水壞的主要原因。
  14. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論和試驗研究為依據,有其自身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測結果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類結構的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微壞為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等壞為主; 9度地震作用下鋼筋混凝土結構以輕微壞為主,單層工業廠房和空曠房屋以中等壞為主,其餘建築以嚴重壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上壞的建築物應考慮進行抗震鑒定和加固;由建築物的壞所造成的直接經濟失是城市地震經濟失的主要部,重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟失按2一3倍向高烈度方向遞增,漳州市區直接經濟失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重壞的程度和總面積以及震時的建築物室內人數密切相關,地震時無家可歸人員主要與住宅倒塌、嚴重壞及中等壞的程度和總面積以及城市人均居住面積密切相關。
  15. Advances in damage analysis for carbon fiber - reinforced composite laminates with hole

    碳纖維增強復合材料含孔層合板研究進展
  16. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊傷模型,引入基於特徵曲線和yamada - sun壞準則的點應力判據,建立了含傷復合材料層板剩餘強度的方法;通過數值計算詳細討論了各種幾何參數對傷層板應力佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  17. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    通過對路面板底界面開裂、路面板中裂縫積聚、擴展和路面表面車板相互作用及其對路面疲勞壞的影響等三個層面的研究和,首次提出水泥混凝土路面的開裂和壞過程可以為三個階段,即路面板底初始傷西南交通大學博士研究生學位論文第11頁和早期裂縫的形成階段、使用期間荷載作用對路面造成的開裂傷累計、加劇和裂縫擴展階段以及路面斷裂壞階段。
  18. The character of tube roll mill is that it combines the advantages of ball mill and roller, then great improves the grinding efficiency through the study of the grinding theory of tube roll mill, pressing stress, grinding effect and the comparation between roller and vertical mill, this text combined the national important technology equipment crert item - - tube roll milling developing item, gets following results : firstly, because of the special structure of tube and roll, powder from single particle grinding in the early peried contincely transit press grinding stage, it better stops the loss of splash energy, secondly, during the grinding progress, powder form loose to dense fully uses the nonsmoth surface of particle and stress focus to make its stress lower than roller " s

    本文結合國家重大技術裝備國產化創新項目-筒式輥碾磨開發項目,通過對筒輥磨的粉磨機理、層壓應力的、粉磨效果的研究及與輥壓機、立磨粉磨效果、粉磨機理的比較,可知:首先,由於筒與輥的特殊結構方式,筒輥磨內粉體由初期的單顆粒碎逐漸過渡到層壓粉碎階段,較好地防止了飛濺能的失,其次,在粉磨過層中,粉體由疏鬆到密實,充利用了顆粒的非光滑表面及應力集中效應使其應力低於輥壓機。實驗證實,筒輥磨的粉磨效果大大優于立磨和輥壓機。
  19. Ae signals released from different lay - ups composite specimens were acquired by a wideband transducer, and fracture surfaces of the specimens were observed by scanning electron microscope ( sem )

    寬帶傳感器記錄了不同角度纖維鋪層的復合材料試樣在拉伸壞過程中的聲發射信號,用掃描電子顯微鏡( sem )觀察了試樣的幾種典型的壞斷面,對比了不同類型的傷機制。
  20. After the 1960s, some new breakage theories, such as the fracture mechanics and the damage mechanics, had been applied in the research of the concrete. it made people had the farther understanding about the concrete. based on the existing research productions of inland and overseas, combining with the experimental results and applying the viewpoints of the composite material, the energy, the combination of grandness and

    本文結合試驗所得到的結果,在國內外已有研究成果的基礎上,應用復合材料觀點、能量觀點以及宏觀與細觀、傷與斷裂相結合等觀點,較為詳細地探討了鋼纖維輕骨料混凝土的壞特點和增強機理,並將傷理論與斷裂理論結合起來對其受力性能的規律進行深入的
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