cutting stress 中文意思是什麼

cutting stress 解釋
剪切應力
  • cutting : n 1 切斷，切下；切片；【園藝】扦插，插條；〈英國〉剪裁，（報紙等的）剪輯；（寶石等的）加工，琢磨...
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. The frozen coal destruction is the tension stress destroys, and establish the frozen coal cutting model in this foundation, obtains the cutting force, feeding force, tooth spacing according to the smallest energy principle. bring forward a rotary drilling mothod to unload the frozen coal, the broken ability is strong, without frozen depth limits, then obtains this machine working parameters, has combined this method with a grab and determined the plane of vehicle - carried rotary drilling movable coal - unloader

    凍煤破壞是拉應力破壞，在此基礎上建立了凍煤的切削模型，根據最小能量原理得到截割力，進給力和截齒間距的計算公式，分析得到截割力與切削厚度成正比，隨著前角的增大而減小;截齒最優截距與截齒尺寸有關且與切屑厚度成正比;進給力隨著截齒前角增大而增大的規律。
  2. 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。
  3. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  4. It also wishes to stress that this administrative restructuring is neither about cutting teaching programmes, nor about staff redundancy. to the contrary, the wide spectrum of teaching programmes offered by the faculty will continue to be available after restructuring, individual disciplinary identity and departmental profile will be maintained, and none of the academic or support staff will be made redundant as a result of the restructuring

    文學院並強調，這次行政重組的目的，並非要削減授課課程或裁減人員；反之，學院于重組后會繼續維持現有廣博的教學范疇，保留所有學系及現有學科的特色，也不會因為重組而將教學人員或行政及後勤人員列為冗員。
  5. By means of the finite element inverse analysis, based on stress - strain theoretical equations of the elastoplasticity and viscoelasticity - viscoplasticity, the change of the valley - side margin stress distribution during original state, the condition of human cutting a terrace of building houses in the loess slope, and the condition of cutting the top of loess slope is elucidated

    3 .基於粘彈?粘塑性理論的本構方程，運用有限元方法進行反演分析，闡明了宅基邊坡谷緣在天然條件、斬坡建窯條件下和削坡條件下的應力場變化特點。結果表明，谷緣在斬坡建窯條件下拉張應力和剪切應力增大是導致崩塌產生的根本原因。
  6. In other words, the process of analyzing relaxation zone related to one safety factor can also be regarded as the process of searching potential slide surface related to the same safety factor. elastic wedge model is used for analysis of relaxation zone of cutting homogeneous slope. on the basis of elastic plane - strain theory, the relaxation zone can be calculated according to mohr - coulomb or drucker - prager law and single tension intensity principle which are both related to one safety factor after three - dimensional stress field of the cutting slope is got

    提出均質邊坡開挖鬆弛區可以用彈性理論中的楔形體理論分析，在平面應變問題的基礎上得到開挖坡體的三向應力場之後，可運用考慮安全儲備后的強度條件（主要為摩爾?庫侖或德魯克?布拉格強度準則和單軸抗拉強度準則）解析坡體分步開挖過程中的鬆弛區范圍，給出了具體的計算步驟，並通過算例較詳細地說明了操作過程。
  7. The measurement of stress can provide basis for material ' s evaluation, predict the fatigue life of the workpiece, inspect the technical effect of heat treatment and strength disposal on the surface, control cutting technics and determine the effect of stress elimination

    測量材料或構件的應力分佈不僅為材料的評價提供依據，而且還可預報構件的疲勞情況，檢查熱處理及表面強度處理工藝效果，控制構件切削加工工藝，檢查消除應力的工藝效果。
  8. Since the cope is usually made by flamed cutting, a high residual tensile stress exists along the burned edge.

    由於修割工作通常用火焰燒割，沿著燒切邊緣就存著較高的殘余拉應力。
  9. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中，壩型的選取顯得尤為重要，特別對于壩基有深厚覆蓋層的堆石壩，心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位，設計方案是否安全、科學和合理，對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果，為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考；在吸收和歸納了國內外堆石壩的設計研究成果的基礎上，對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案，分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析；對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究；對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究，比較全面的了解了各方案壩體，尤其是防滲體的應力和變形分佈規律，為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。
  10. ( 3 ) based on the analyses results of simple inference method and seismic focal mechanism and on the statistic results of measured geostress data, the direction of principal stress was derived and based on the analyses results of macro geological estimate and on the statistic results of measured geostress data the magnitude of principal stress was derived too. the influence of rapidly down - cutting of yellow river on geostress field of studied zone was discussed. then the evolution of geostress field accompanying with the down cutting of yellow river and was simulated with fem and the spatial distribution features of geostress were discussed

    根據簡易推斷法、地震震源機制分析法以及地應力實測資料統計分析結果，綜合確定了工程區的主壓應力方向；運用地質宏觀判斷法並結合地應力實測資料的統計分析結果對地應力的量級進行了綜合評價，並進一步討論了黃河快速下切對研究區地應力場的影響；運用有限元法模擬了研究區地應力場的形成過程，並探討了地應力的空間分佈規律。
  11. Some key models including initial residual stress model, dynamic cutting load model and restriction transform model were built and researched deeply by coupled thermo - mechanical method

    在深入研究殘余應力施加、動態切削載荷、約束轉換等銑削加工模擬關鍵技術的基礎上，採用熱力耦合模式進行了求解。
  12. The newly developed cutting - type integral unit v - belt can carry heavy - load transmission. thetransmission is of multi - stress surface, therefore the belt can resist abrasion whit small slippage and high effciency and work reliably, and is suitable of heavy - load transmission

    本公司新開發切邊式聯組v帶，該帶可承載高負荷傳動，傳動受力面多、耐磨損，滑差小，效率高可靠性好，適于大負荷的傳動。
  13. It is testified that the landfall happens because of the increase in shearing stress and tensile stress. the mechanism and main prevention - cure measure of cutting the top of loess slope according to its nature gradient for the landfall are quantitatively reformed and simulated

    模擬再現了陜北宅基邊坡傷亡性黃土崩塌的形成機制，驗證了治理此類崩塌的有效措施?建成的宅基邊坡谷緣坡度不得大於天然谷緣坡度。
  14. ( 2 ) the finite element is used to analyze the stress field change of the valley - side margin during original state, the condition of human ' s cutting a terrace of building houses in the loess slope, and the condition of cutting the top of loess slope, then the dynamic mechanism for forming of the landfall is probed

    採用有限單元法對宅基邊坡谷緣在天然條件、斬坡建窯條件及削坡處理條件的應力場變化進行了對比分析，揭示了崩塌產生的動力學機制，從而為人工谷緣整治提供了科學依據。
  15. In this paper, molecular dynamics simulation is carried on the nanometric cutting of defect - free monocrystalline silicon. based on simulations, a reasonable explanation is given to the forming mechanism of chip and surface machined in the cutting process of monocrystalline silicon. moreover, the feasibility of brittle - ductile transition of monocrystalline silion is studied with the method of first principle stress

    對內部無缺陷的單晶硅的納米切削過程進行了分子動力學模擬.通過模擬結果，對單晶硅納米切削中的切屑形成過程和加工表面的形成過程做出了合理的解釋.並用第一原理應力計算方法對單晶硅納米切削過程中的脆塑轉變的可行性進行了研究
  16. ( 2 ) use finite element analytical method, go on and gather can powder bag invade and cut to blow up simulation number value calculate rock, analyse in conformity with development of reeb, propagate, decay course, can blow up and down base rock characteristic of the stress go on research gathering, have proved that can gathers the result of cutting the rock of powder bag

    （ 2 ）運用有限元分析方法，進行了聚能藥包侵切巖石的爆破模擬數值計算，分析了應力波的發展、傳播、衰減過程，對聚能爆破下基巖內部應力的特性進行了研究，驗證了聚能藥包切割巖石的效果。
  17. 4. based on the experimental investigation on the sawing force of concrete, the deflection and stress distribution of saw blade were investigated with finite element analysis, and a new type of diamond blade structure for dry cutting concrete was designed

    在混凝土鋸切過程鋸片受力的實驗研究基礎上，採用有限元方法模擬分析了鋸切混凝土過程鋸片的變形和應力分佈，並優化設計了干切削混凝土用鋸片的結構及其參數。
  18. Research shows that four factors have great influence on the formation of complex rock mass. first, rock mass subjected six times of tectonic movement during long period of geo - history, each tectonic movement produced fractures and associated joints corresponding to the orientation of maximum principal stress and deteriorated the properties of fractures formed at former period ( s ). second, down - cutting of langcangjiang river produced unloading fractures

    採用了四種巖體質量分級評價方案對研究區巖體質量進行了研究，這四種方案包括：工程巖體分級標準（ gb50218 - 94 ） 、水利水電圍巖工程地質分類（ gb50267 ? 99 ） 、巖體rmr分類（ bieniawski ， 1973 ） 、巖體質量指數z分級（小灣， 1995 ） 。
  19. Secondly, on the basis of mechanic properties analysis, applying the stress - strain model of lateral unloading which can reflect the decrease change of principal stress state in the excavation progress of slope, dividing excavations slope into cutting slope and sharpen slope, numerical simulation is respectively carried through in order to analyze the impact of changing of slope type, slope height and stratum water content on the slope stability

    其次，在試驗研究的基礎上，應用能夠反映黃土挖方邊坡大、小主應力減小變化的圍壓卸荷剪切應力應變模型，將挖方邊坡區分為路塹邊坡和削坡，通過數值模擬開挖過程分析了坡高、坡型、坡比及地層含水量變化對邊坡穩定性的影響。
  20. Stress injuries in certain areas of the foot and ankle can increase a person ' s risk of suffering a complete fracture, or may fail to heal properly, while others can be treated effectively by cutting down or stopping activity completely, they add

    他們同時指出，雖然一些人能通過切割或停止活動達到有效治療，但是腳和踝關節的某些地方的應力損傷能夠增加完全骨折危險率或者可能不能完全愈合。
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