等主應力線 的英文怎麼說

中文拼音 [děngzhǔyīnglìxiàn]
等主應力線 英文
isobar
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : 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...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  1. This system provides photo elastic, moire, holographic, speckle technology contained in optical measure strain and displacement analysis software interface, and mainly realizes photo elastic image collection, interference image pretreatment, automatic skeleton extract method, automatic main strain trace protraction method and planar photo elastic image strain analysis function. all the work that the author has done has established a good foundation for more realization of an intact optical measure image strain analysis software system. furthermore, engineer and lab assistant can quickly obtain concise, intuitionistic and quantificational information

    該系統提供了光測力學所包括的光彈法、雲紋法、全息法以及電子散斑法等技術應力和位移分析軟體實現的介面，主要實現了等差線圖像和等傾線圖像的採集、干涉條紋圖像預處理、全自動提取光彈條紋圖像骨架線、全自動繪制主應力跡線以及二維光彈應力分析功能，為進一步開發完整的光測力學圖像應力分析軟體奠定了基礎，同時使工程技術人員以及實驗人員能夠迅速的獲取簡明、直觀、定量的信息。
  2. 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，從地下空間靜力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應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，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斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 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應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間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。
  3. ( 2 ) taking the geology analysis as main way and combining the pre - test, predicating the tunnel ' s main geology condition ( rock quality, surrounding rock classification, long - wide joint, fault, ground water, crustal stress ), and predicating the main potential disaster ( collapse, breaking water, rockburst, large deformation ) ( 3 ) employing the stress test result and inverse analysis of the stress field, finding out the crustal stress " s distributing rule along the tunnel axes section : the highest crustal stress is 24mpa near the deepest spot, and predicting that the k2 + 260 ~ k3 + 000 likely to be the high crustal stress segment for this tunnel

    通過地質分析、類比分析、監控量測、數值模擬、神經網路等方法，對鷓鴣山隧道潛在的主要地質災害（塌方、涌水、巖爆和大變形）進行了預測預報（ 3 ）在現場地應力測試成果的基礎上，運用數值計算進行應力場反演，基本查明了沿隧道軸線剖面的地應力分佈規律：地應力量級在最大埋深附近達到最大值24mpa ，並預測k2 + 260 k3 + 000段將很可能成為鷓鴣山隧道的高地應力段。 （ 4 ）塌方往往與斷層破碎帶及千枚巖相聯系。
  4. Program can analyze the multi - girder curved bridge, by using the diatropic distributing theory. it can calculate the dynamic programming loading, by using the combined influence. it can analyze the internal force under the action with the prestressed force, by using the equivalent load method

    程序採用橫向分佈的實用計算理論來處理多主梁曲線梁橋的空間受力分析問題；採用組合影響線來對曲線梁橋進行動態規劃加載；採用等代荷載法對曲線梁在預應力作用下的結構內力進行分析。
  5. The ansys, a kind of fea program, was used to build model of small carriage. the procedure of gantry beam bump with secondary beam of bridge was reappeared by running nonlinear calculation and loading program which was written by apdl program language. the closest deforming result was gotten, and the deforming of main beam, secondary beam and end beam and inner stress distribution status were calculated

    採用大型三維有限元軟體ansys對該起重機以及小車架等進行了建模、應用apdl語言編寫加載程序、進行非線性計算，再現龍門橫梁與起重機副梁碰撞過程，最後得到與實際變形結果最接近的一種狀態，得出起重機橋架主梁、副梁、端梁的變形以及其內部的應力分佈情況。
  6. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下： （ 1 ）以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類，並確定了軟弱夾層分佈距離； （ 2 ）根據強度等效和變形等效的原則，引入了軟弱夾層影響帶的概念，建立了模擬軟弱夾層厚度的一種新方法； （ 3 ）總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標； （ 4 ）分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標； （ 5 ）總結出了在不同的側壓力系數（ 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 ）地應力場中軟弱夾層對穩定性影響的量化指標； （ 6 ）得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果； （ 7 ）根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。
  7. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方法，分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題： （ 1 ）在分析現有幾種典型的管道垂直土壓力計算方法的基礎上，探討了影響垂直土壓力的主要因素以及改進的方法； （ 2 ）分別通過彈性理論分析法和結構力學的方法，建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程，並應用在算例中，把所得結果和有限元方法所得結果進行對比分析； （ 3 ）考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響，利用有限元的思路，建立了地下管道橫向力學有限元計算模型和方法，並且採用大型有限元分析軟體ansys ，針對上埋式管道工程算例，得出了管周土壓力以及管道橫截面應力的分佈狀況和規律，並和理論值進行對比；針對施加柔性填料的上埋式管道工程實例，得出了減荷后的土壓力分佈，並和實測值進行了對比。
  8. To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. the research is divided into four parts : 1 ) taken all forces the piston endured into consideration when radial piston motor working, the force between roller ( or ball ) and orbit is deduced. the simple style of the press expression can be confirmed by ignoring minor influence factors after analysis all factors that will influence this press

    靜壓傳動技術在各類工程機械中得到廣泛的應用，對作為其核心部件的徑向柱塞式低速大扭矩液壓馬達的研究顯得十分重要，為了能直接對這種馬達進行壽命估計，並能在相同工況下求得壽命最長的軌道曲線，本文從設計等接觸應力內曲線的角度對這類馬達作探討性的研究，主要從以下四個方面進行： （ 1 ）綜合考慮徑向柱塞式液壓馬達工作時的各種主要受力狀況，對柱塞組件進行受力分析，並通過模擬分析影響軌道和滾動體間正壓力的各個因素，得到正壓力的簡化表達式。
  9. These geometric nonlinear behaviors such as the sag of inclined cables caused by their own dead weight, the interaction of large bending moment and axial forces in girders and towers, and the large displacement effects are considered during calculation. newton - raphson method and the displacement convergence norm are used to approach the solution iteratively

    計算過程中計及了拉索的垂度效應，彎矩和軸力對主梁和主塔的組合效應以及結構的大變形效應等幾何非線性影響因素，採用newton - raphson方法和位移收斂準則進行迭代求解。
  10. The main factors affecting percolation in low permeability reservoirs include stress, threshold pressure gradient, slippage effect and water - blocking effect, which play various roles on percolation, but all will result in non - linear percolation in the end

    影響低滲氣藏滲流特徵的主要因素有應力作用、啟動壓力梯度、滑脫效應和水鎖效應等因素，並且這些因素對滲流影響各有不同，但最終均引起低滲氣藏滲流的非線性化。
  11. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是：對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結，指出當前預應力鋼結構工程實踐中存在的主要問題；闡述了預應力鋼結構的受力機理，並指出預應力鋼結構的適用范圍和特點；在考慮結構應力和變位約束的條件下，建立預應力鋼結構優化設計模型；提出多次預應力鋼結構優化設計方法和步驟，採用線性規劃和滿約束準則相結合的優化方法，可優化設計出施加的每一級預應力的大小，並得到結構各部分的優化截面；對多次預應力最佳的施加次數作了分析，並建議以2 3次為宜；為驗證文中理論和方法，分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計，經濟效益明顯；對水平平行弦鋼桁架的幾種施加預應力的方案進行比較，對于局部布索，預應力只對下弦起到卸載作用，對上弦和腹桿基本不起作用；而整體布索預應力除對下弦卸載外，對索折點以外部分腹桿也起到卸載作用，經濟效益好於局部布索。
  12. Secondly, the basic principle on optimal design of structure is presented. based on the characteristics of aqueduct - stayed optimal design, cable optimization, aqueduct body selection optimization and aqueduct body vertical section optimization are included. the prestresses of cable - stayed, the dimension of aqueduct and the number of reinforcing steel bar are chosen as the design variables

    根據斜拉式渡槽優化設計的特點，本文將槽身優化分為索力優化、槽身橫斷面優化以及槽身縱斷面優化三個方面進行優化設計，確定斜拉索預應力、槽身斷面尺寸、槽身橫向及縱向預應力鋼鉸線配筋數量等槽身設計的主要變量。
  13. Concrete filled steel tube ( cfst ) arch bridge is a new type of bridge which is widely applied in china recently, and it is a relatively ideal structural form for long span arch bridge. with the background of the practice of liantuo bridge, in the view of point of feasible in technology and reasonable in economy, the key techniques and difficulties in the construction of cfst arch bridge are analyzed and discussed in the thesis. the disadvantages in the current design and construction and the improvement method are also indicated

    本文以蓮沱特大橋工程實踐為背景，以主拱施工研究為主線，對鋼管混凝土拱橋重難點施工工藝，從技術上可行、經濟上合理的角度出發，詳細的進行了分析闡述，並指出了設計施工中存在的不足和今後需改進的方向；通過對鋼管混凝土拱橋施工過程中內力的計算，確定了拱肋施工最不利荷載工況下加載重量、壓重順序和張拉臨時預應力束等一系列施工措施，並將計算結果與現場監測觀測數據進行了比較分析，為今後進一步研究這類結構提供了參考。
  14. On the basis of the research by former people, the work of this paper includes several aspects as follow : throughout a great deal of experiment of the mechanics performance of 2d weave c / sic composite materials laminated plate, we simulated the nonlinear relationship between a and e in the tensile course ; and we inspected the original damages and the damages evolvement ; and we made the statistic analyses of the tensile strength. some important conclusions have been given in the paper

    主要有以下幾個方面：在大量二維編織c sic復合材料力學常規性能的實驗基礎上得到了拉伸實驗中卸載點和卸載模量，卸載模量和加載斜率，加載斜率和應力等之間的關系，並在此基礎上得到了模擬同種材料拉伸曲線的非線性的應力?應變關系；配合我們的實驗過程進行初始損傷和缺陷的檢測以及實驗過程中材料損傷演化過程的動態無損檢測；對我們現有的二維編織c sic復合材料拉伸強度數據進行了分佈擬合。
  15. The study shows that besides boundary conditions, the factors influencing the nonlinear consolidation behavior of soils are the compression index cc, the permeability index ck, the level and the rate of loading, and the thickness of soil, etc. in nonlinear consolidation, especially for layered soils, the average consolidation degree defined by settlement, us is greater than the one defined by effective stress, up, i. e., the rate of the development of settlement is greater than that of the dissipation of excess pore water pressure

    研究表明，除邊界條件外，影響軟土地基一維非線性固結性狀的主要因素是壓縮指數c _ c 、滲透指數c _ k 、荷載大小與加荷速率、土層厚度等。對于非線性固結，特別是成層地基，按沉降定義的平均固結度u _ s大於按有效應力定義的平均固結度u _ p ，即沉降發展速率要快于超靜孔壓消散的速率。
  16. Backed with the above, the plant has a great annual production output as follows : 7, 000 tons odd of pure blending knits, woven yarns including all specifications of acrylic fibers, terylene, polyvinyl alcohol fibers, pure woolen, wool acrylic fiber, wool terylene, etc. ; 6 million pieces of paper tubes. along with fine production facilities and advanced flows, there is a perfect technical team, and scientific qa qc systems in the plant

    棉紡生產以化纖紗線為主，形成滌綸腈綸粘膠維綸及棉等純混紡系列毛紡以純毛毛腈等精紡紗線為主花色線以各種規格的圈圈線tt線節子線等特種紗線為主，形成多規格多品種系列多用途多花色的紡織紗線生產供應基地，年生產能力1 . 5萬噸，工業銷售超2 . 5億元。
  17. In order to analyse the stability of the slop of this area, the longmen apex was chosen as a typical slope

    為分析長白山天池地區斜坡穩定性，選取龍門峰作為典型斜坡，採用有限元法對其進行應力、位移模擬分析，繪制最大、最小主應力等值線圖。
  18. Especially the bridge engineering has to be concerned with high, new and difficult technologies. new technologies firstly adopted are post - tensioned prestressed concrete simply - supported box girder, assembly two - way prestressed concrete simply - supported t - girder, reinforced concrete continuous rigid frame, and steel - concrete composite continuous girder. all these have formed a series of new bridge structures taking prestressed concrete simply - supported box girder as main feature

    由於秦沈客運專線的特殊技術要求，在鐵路建設史上首次採用了后張法預應力混凝土箱形簡支梁、裝配式雙向預應力混凝土t形簡支梁、鋼筋混凝土剛構連續梁、鋼與混凝土結合連續梁等橋跨結構，形成了以預應力簡支箱梁橋跨結構為主要特徵的一系列橋梁新結構。
  19. The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002

    冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中，本文主要研究軸心受壓冷彎方管的承載力性能，內容主要包括以下一些： （ 1 ）對冷彎方管的彈性臨界應力進行有限元分析，並與經典理論結果進行對比，以驗證有限元程序的適應性； （ 2 ）闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法； （ 3 ）採用彈塑性模型，考慮幾何非線性及材料非線性，對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究； （ 4 ）考慮冷彎效應對屈服應力的影響，對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究； （ 5 ）考慮冷彎效應、幾何初始變形，對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究，並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。
  20. The several ones that have more lager sensitivity to embankment settlement are found out. then, aimed at the traditional three - layer bp network ' s shortages : easily getting into local minimum value and slow convergence, the modification combined momentum method with self - adaptation study velocity is made, and one improved bp network is put forward. finally, according to the results from above sensitivity analyses, the nonlinear model main parameters of each natural layer in roadbed are approximately rectified using the improved bp network technology founded on its stronger nonlinear mapping capacity and the settlement measurements

    採用非線性有限元程序，對鄧肯-張模型中8個參數與路堤沉降的關系進行了詳細分析，找到了影響沉降的主要參數；接著，針對傳統的三層bp網路具有收斂速度慢、易陷入局部極小點等不足，對其進行了修正，提出了改進的bp神經網路模型；最後，根據上述靈敏度分析結果，基於改進的bp網路模型較強的非線性映射能力和前期沉降實測資料，對路基中各天然土層的非線性模型主要參數進行了反分析修正； （ 4 ）路堤沉降計算一維法中考慮應力歷史、側向變形的研究。
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