間斷應力 的英文怎麼說

中文拼音 [jiānduànyīng]
間斷應力 英文
intermittent stress
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 間斷 : be disconnected; be interrupted; interval; leapfrogging; disjunction; break hiatus; hiatus; inter...
  1. By means of bending tests of three - point and four - point, complex fracture experiments were made for cast iron material with crack. the stress intensity factor and breaking direction angle of cast iron material were measured and compared with theoretical values. based on the research some useful conclusions are given for engineering design and application

    通過3點彎曲和4點彎曲實驗方法,對含有裂紋的鑄鐵材料進行復合型裂實驗研究,測試鑄鐵材料的強度因子、裂方向角,將實驗結果與理論值進行分析、比較,找出兩者之的異同點,得到一些對工程設計及用具有實際意義的結論。
  2. Furthermore, the dq value ranges of profile multifarctal spectra in different landform types and in different directions of the same sections perform different properties and anisotrpies. it can be concluded that the landscape fractal properties depends closely on the int ensity, manner and inhomogenity of exogenic and inogenic processess, and with the properties, we can study quantatively the dynamic geomorphic process. by using the same methods just above, local fractal dimensions d, crossover length tc and the multifractal spectra dq - q of two large - scale landform profiles ( across and along tianshan mountain ranges respectively ) are calculated. the results show that in the studied scaling range the two profiles perform different scaling properties, and both of them can be divided to three evident different linear scaling subsections

    不同類型地貌區二維地貌表面也表現出多度域分形特徵,而且隨著觀測尺度的增加,每個區的分維值均表現為依次減小,表明外營作用的影響逐漸被內營作用所取代:不同類型地貌區在相的分維值表現為高山區中低山區盆地區,體現了不同類型地貌表面粗糙性或復雜性的差異,因此分維值大小可作為地貌表面外營侵蝕作用強度的重要指標:利用標度區的點和各種地貌類型表面分維值或宏觀效趨於一致,提出5 - 6km左右可作為地貌的宏觀臨界點,並且與利用地貌剖線研究所得到的5km這一數值是基本吻合的。
  3. Although aircraft designers and engineers continued to employ wing - warping techniques for years afterward ( especially on early monoplanes such as the bleriot xi ), ever faster flight speeds eventually led them to beef up wing structures to resist the resulting stresses

    雖然其後許多年,飛機設計師和工程師仍繼續採用翹曲機翼設計(尤其是布雷修xi型等早期單翼機) ,但由於飛行速度不提升,終于迫使他們加強機翼結構,以承擔所增加的
  4. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的與位移演變規律進行了有限元數值分析計算,探索了地下空圍巖與高層或多層建築物地基基礎之的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算面的與位移分佈規律: ( 1 )在各種不同狀態下計算面的主矢量圖、位移分布圖( ux 、 uy )以及等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  5. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩( weno )格式及其在雙曲守恆律方程中的用,在此基礎上作了兩個方面的工作:一是針對高頻聲波問題構造出一種基於保色散關系( drp )的weno有限差分格式,並對計算氣動聲學( caa )問題的代表性算例進行了大量數值實驗,比較了該格式捕捉波數的能;另外,針對高階weno格式在處理euler方程的接觸時精度有所降低的問題,研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代表性的密度滑移面問題的算例,得到一致高階精度的數值模擬結果。
  6. In addition, the test results also demonstrate that bond - slip response between angle steel and concrete foundation in tension could be reflected with the displacements between angle steel and concrete, because bond stress is obviously decreasing with the cross section shrinking, that is effects of poisson ' s ratio

    另外,試驗結果還表明:在一定的拉下,插入角鋼與混凝土之的粘著能通過插入角鋼與混凝土之的位移反映出來。這是由於橫面的收縮,使得粘著明顯降低,即泊松比效
  7. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空和靈活隔要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜試驗以及擬動試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預和鋼骨混凝土,對比分析了兩模型的層位移比、骨架曲線以及等效粘質阻系數等抗震性能的比較,並進行了彈塑性動分析.試驗和分析結果表明,配置預和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相的設計建議
  8. Field investigations found that epigenetic reworking deformation fracture include 3 types, named normal relief fracture, fracture filled mud and epigenetic reworking of disturbed belts. and epigenetic reworking of rock mass structural also includes gradual deformation of the blocks that are made up of different attitudes structural planes besides normal relief. through field geological investigations, the features of rock mass structural planes are generalized, especially development laws of interlayer shearing belts, instrastratal shearing belts, faults and base crack

    在已有研究成果基礎上,總結了壩區玄武巖的巖相特徵和構造場對巖體結構的影響;通過現場調查,總結了3種類型淺表生變形破裂,即正常卸荷型破裂、鬆弛夾泥型破裂和緩傾角錯動帶表生改造;通過野外地質調查,總結了層錯動帶、層內錯動帶、層和基體裂隙的發育規律。
  9. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料學疲勞性能試驗曲線進行分析整理,利用試驗數據繪制了相對變曲線、切線模量因子曲線和疲勞壽命曲線,利用這三種無量綱參數曲線發現了其中存在的規律性,即在某種程度上實驗曲線可以互相取代,並用試驗數據對此進行了討論,並由此推,如果找出材料彼此的共性或彼此之的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用,這是一種估算材料的疲勞壽命的簡便方法,對工程而言具有實用性。
  10. 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、制動桿件裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的、化學成分、變形及軌道偏移等,根據實測結果,對吊車梁系統的承載能進行了驗算;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破壞的機理,分析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破損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。
  11. Combined with the real example of monitoring pressure on the supporting system in the long span underground space of dk7 + 692 section at jiao - xin line of chongqing light railway, it is set forth the methods about choosing the support system and its parameter, digging methods of underground space, measuring and testing methods for the stress of the support system ; the testing results and variation pattern were analyzed for the stress of the initial supporting i - steel axial stress of bolt, stress of shot - concrete, supporting pressure of temporary i - steel and stress of steel of the second lining, then, the reason for deformation of the support system induced by sharp increase of i - steel was determined

    摘要結合重慶市輕軌較新線大坪車站大跨度地下空dk7 + 692面施工支護體監測的工程實例,闡述了該大跨度地下空支護結構的參數選擇、地下空的開挖方法、支護體結構的量測方法及測試手段;分析了支護體初期支護工字鋼拱、錨桿軸、噴射混凝土內、臨時工字鋼支撐、二次襯砌鋼筋等測試結果和變化規律;確定了工字鋼拱急劇增大而可能引起支護體系失穩的原因。
  12. The investigation in the field was combined with research indoors. by classifying tectonic sequence, confirming corresponding prototype basin, analyzing paleo - tectonic stress fields in different periods, plotting correlative tectonic map based on 297 explore wells, and analyzing the traits of the remaining depressions producing hydrocarbon and their migration rules in the ordovician, the author studied the basement of the basin ; the fault system of the basin ; the tectonic - sedimentary evolution of the basin and its circumference areas ; the prototype basin and corresponding dynamics background ; the paleo - tectonic patte rn and its evolution in the layers of producing gas in different periods of ordovician ; the superposition relationship among the different period basins formed by different stress fields ; the reformation of the basin and the formation, redistribution and final emplacement of the gas pools

    採用野外地質調查與室內綜合研究相結合,通過構造層序的劃分及其相盆地原型的確定、不同期次古構造場的分析、以297口探井數據為基礎的相關構造圖件的編制、奧陶系殘餘生烴坳陷及其遷移規律研究等的綜合分析,開展了盆地基底以及盆地裂系統、盆地及鄰區構造與沉積演化、盆地原型及其形成的動學背景、奧陶系產氣層不同時期的古構造格局及其演化、不同期次構造場形成的不同世代盆地之的疊置關系以及盆地改造與天然氣藏的形成、重新分配和最終就位諸方面的研究。
  13. The results show that the main factors influenced structural earthquake are earth damage degree, fault length stress and an angle between extend stress axes and fault strike

    研究結果表明,地殼損傷程度、層長度、及拉軸與層走向之的夾角是影響構造地震的主要因素。
  14. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    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,得到了含多裂紋有限大板在任意載荷作用下場的級數解,並學方法確定裂紋尖端的強度因子;引入當量屈服考慮裂尖塑性區的影響,提出基於帶屈服準則的剩餘強度分析模型,能夠充分考慮結構尺寸和裂紋之相互作用對場的影響;通過數值計算詳細討論了結構尺寸和裂紋之位置關系對強度因子和結構剩餘強度的影響規律,得到了一系列對工程用具有實用價值的結論。
  15. Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming

    模擬的主要內容是在各種過程耦合作用下,以下描述構造成礦體系的主要變量的時空演化:與成礦流體的形成和性質有關的變量,如地層中礦物(包括成礦物質)的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓、離子強度等;與構造變形和流體運移有關的各變量,如與變形速率、巖石孔隙度、構造(裂)滲透率等;與沉澱成礦有關的變量,如礦物(金屬礦物和脈石礦物)的成核速率、各礦物的沉澱量等;上述各有關變量的時空耦合關系,如裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。
  16. Barrier cracks cannot stop the extending of a fracture, and the strength of the sample is reduced by almost one magnitude because of the existing barrier cracks. there are great differences of ae distribution between specimens with non - penetrate crack and specimens with penetrate crack. as for penetrate crack, ae occurs near the two end of the crack, and for non - penetrate crack, crack, ae occurs near the two end of the crack, and for non - penetrate crack, ae occurs near the front edge of crack, which can be explained well by the theory of 3 - d fracture ; ae distribution near the outer part of collinear crack is similar with that of the end of penetrate crack, and inner part of collinear cracks will run - through with high loads

    關于預制裂紋系對巖石破裂的影響,集中討論了:空障礙體構造不能阻止主裂紋的擴展,反而會使巖石的破裂強度降低近一個量級;由於構造的不同,非穿透切口樣品和穿透切口樣品的聲發射空分佈特點有本質區別,穿透切口樣品的微破裂在切口兩端發育,而非穿透切口樣品的微破裂在切口兩端之切口前緣處發育,這用三維破裂理論可以很好地解釋;含共線構造的巖石,裂紋外端的聲發射分佈與單裂紋構造中裂紋端部的聲發射分佈相似,裂紋內端聲發射有密集分佈,在達到一定水平時,內端部發生錯,而不是貫通。
  17. Voluntary inspection programme for residual current circuit breakers schneider electric ( hong kong ) ltd. recently conducted a voluntary inspection programme for its merlin gerin c60h - and square d qoe - residual current circuit breakers with overload protection ( rcbo ) which were supplied from january to december 2004

    施耐德電氣(香港)有限公司近日自行檢驗一批於2004年1月至12月期的梅蘭日蘭( merlingerin ) c60h -及美商實快電( squared ) qoe -配備過載保護裝置的漏電路器。
  18. This dissertation put forward a method of eliminating noise and reconstituting broken wires signal and inquired the space - frequency range of the signal ripple resulted from tensile stress on the mfl signal curve

    提出了去除干擾重組絲信號的方法,分析了漏磁曲線上波紋的空頻率分量。
  19. Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt

    通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地場進行判:在分級卸荷條件下,巖體中彈性變形的恢復具有明顯的規律性,這種規律對于研究地場的演變是有幫助的;地場中最大主方向與區域構造形跡在最近的構造運動中所受區域性擠壓的方向無明顯的對性;區域性地貌形態的演化程度對現今地場的特徵具明顯的影響,隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化,現今地場特徵由自重場、水平場為主含少量自重場特徵向水平場的規律變化;在峽谷區,山體中具有兩個帶:自重帶和卸荷帶,最大主方向在卸荷帶中近平行於坡面並傾向于河谷、在自重帶中近於直立;根據原始地面遭剝蝕的程度,可以大致地估算最大主和中的量值和方向;在丘陵區和平原區,最大主的方向近於水平,並與附近區域性侵蝕盆地和河流的展布方向基本平行,根據原始地面遭剝蝕的程度,可以大致估算其最大主的量值;根據區域性地貌形態的特徵來分析工程區的現今地場特徵,並進而大致了解巖石的環境,這種分析方法得出的結論與許多實際的地測試成果基本一致,對于大型水電工程地下廠房和壓隧洞的設計是有所幫助的。
  20. The stress distributed unevenly around the indent and mainly concentrated on the area near - by the tip of the indent. the stress distribution was discontinuous at the interface between the ti - dlc film and the substrate. it ' s just the discontinuousness of stress distribution that protected substrate from breakage

    模擬結果表明,納米壓痕試驗中在壓痕周圍呈不均勻分佈,集中分佈在壓頭尖端所對的膜的區域,並在膜與基體的界面上產生有效的保護了基體。
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