均變荷載 的英文怎麼說

中文拼音 [jūnbiànzǎi]
均變荷載 英文
uniformly varying load
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : 荷名詞(蓮) lotus
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的化規律進行了研究,分析了加錨支護對隧洞圍巖應力、形的影響。
  2. Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented

    摘要基於砂井等應固結模型,考慮初始有效應力沿深度化,忽略井阻和豎向排水固結的影響,應用平孔隙比與平有效應力的對數關系,建立砂井非線性徑向排水固結的分層計算模型,並求得常作用下的徑向排水固結解析解。
  3. Unfortunately, the numerating model used in such method is quite different from the actual instance, and the constraints are to o simple, the effects of the side load, elastic modular of the stone body of the foundation and the compatible structural deformation are not involved in. due to the asymmetry of the spatial load, it is quite different between the analysis results and the test data

    這種集中計算方法力學模型的建立與結構的實際受力情況出入較大,且對邊界條件考慮過于簡單,對邊的影響、基礎巖體彈模的影響及結構本身形協調一致等未能一併考慮,對于空間受力不對稱的狀況,作為二維問題分析時計算結果與應力測試結果出入較大。
  4. Under action of uniformly or polynomial distributed load, upper and lower critical loads of revolving shells ( including conical shells, spherical shells and quartic polynomial shells ) with uniform thickness, linearly, exponentially or polynomial variable thickness were evaluated

    給出了布或多項式分佈作用下,等厚度、線性、指數型或多項式型厚度的圓錐殼、球殼或四次多項式型旋轉殼的上、下臨界
  5. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的值和方差,並計算出了相應的襯砌結構可靠指標。
  6. The linear elastic slope deflection equations of gable portal frames when occur the side - sway and non - sway buckling are derived. the equations considere the rafter slope and the vertical uniform loading subjected on the rafter. the established equations of non - sway buckling can consider the effect of snap change effect of gable frame

    推導了山形門式剛架有側移失穩和無側移失穩的線彈性位移方程,方程考慮了斜梁傾角和斜樑上豎向的影響;建立了能考慮山形門式剛架跨效應的無側移失穩位移方程。
  7. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活動是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下水位升高降低了滑坡體的有效應力,另一方面是由於地下水的長期浸泡降低滑體及滑帶的力學強度,這兩方面的因素將直接降低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間化時滑體條塊的受力化,從而使對作用於滑坡體上的力系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、雨季(暴雨或長期降雨狀態) 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相應的作用的計算方法,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性綜合分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。
  8. Measured results from in - site loading tests in tannin harbor and from in - door model tests were compared with predictions from the limit equilibrium methods. a method of estimating the bearing capacity for inhomogeneous medium was suggested to meet every case ; 4. according to the results from model tests, the elastoplastic fem were performed to study the procession of the change of the stress and strain in inhomogeneous medium and to simulate the procession of the forming of the failure surface during loading, and the failure mechanism was studied ; 5

    4 、結合模型試驗結果,確定出了符合非質介質規律的彈塑性模式,在此基礎上分別運用二維、三維彈塑性有限元程序,模擬出了外作用過程中非質介質內部應力、形以及破壞面的發展過程,分析得出了非質介質地基的破壞機理; 5 、在港口工程地基設計當中,已經引入了可靠度理論計算分析基礎穩定性。
  9. When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made

    當交通為長期時,討論了各相關因素,包括管道埋深、管徑、地基形模量、地基泊松比和車輛輪壓大小分別對管道mises應力和豎向位移的影響;當交通為移動恆時,計算並分析了車輛行駛過程中管道mises應力和豎向位移的化規律,討論了車速和車輛輪壓對這兩個管道力學性狀的影響;當交通為穩態簡諧時,計算並分析了作用時間內管道mises應力和豎向位移的化規律,討論了車速和車輛輪壓對管道力學性狀的影響。
  10. 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和水平反復作用下的對比試驗,研究了帶翼緣墻在水平反復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 ,剛度及形能力也有較大提高的結論,墻體驗算公式中應當考慮縱橫墻共同作用的影響。
  11. For the first time, based on frame structure with large thick raft plinth and many engineering examples, analytic method of interaction that means the analysis on three parts above as a whole with a full consideration of interaction thereof that met the need of the deformation correspond on the boundary was used to research on the interaction of structure and groundsill in this paper. and five models were adopted, which were : ( 1 ) a tube with symmetrical double - axis structure and symmetrical loads, ( 2 ) two tubes with symmetrical double - axis structure and symmetrical loads, and ( 3 ) a tube with symmetrical single - axis structure and symmetrical loads, and ( 4 ) two tubes with symmetrical double - axis structure and unsymmetrical loads, and ( 5 ) two tubes with unsymmetrical structure and loads. based on the middle - thick slab theory from mindli and the model for groundsill from winkle, the deformation character of raft foundation and the distributing rule for resisting force of fundus were studied in details by using b ig - style fem ( finite element member ) software, ansys

    本文結合了大量的工程實例,以大底盤框架厚筏結構形式為研究對象,針對單個和多個塔樓布置於同一個大底盤框架厚筏基上的復雜結構體系,分( 1 )一個塔樓:結構布置雙軸對稱,對稱的情況; ( 2 )兩個塔樓:結構布置雙軸對稱,對稱的情況; ( 3 )一個塔樓:結構布置單軸對稱,對稱的情? ; ( 4 )兩個塔樓:結構布置雙軸對稱,不對稱的情況; ( 5 )兩個塔樓:結構布置和不對稱的情況等五種組合情況,全面系統地探討了上部結構?基礎?地基相互作用的大跨度基礎、基礎板形特徵及其基底反力的分佈規律。
  12. Steel structure of light - weight buildings with gabled frames is a widely used steel structural style in china at present. this paper starts with the deficiency of the specificaion in calculating the effective length factors of gable portal frames. when the gable portal frame subjected to the vertical uniform loading, it conducts the arch effect ? 1. rafter axial force is large when the slope of rafter is big

    門式剛架輕型房屋鋼結構體系是目前廣泛應用的一種結構形式,本文從規范中門式剛架柱的計算長度系數取值的不足出發,針對山形門式剛架在豎向作用下產生的拱效應? ? 1 、斜梁傾角較大時產生較大的梁內軸力; 2 、產生跨效應; 3 、高跨比較小的山形門式剛架會發生躍越失穩,採用整體分析的方法對山形門式剛架的穩定進行了分析。
  13. Abstract : based on the systematic analysis of the shear behavior for r. c. beams, the tests of 11 simple supported beams under the top concentrated loads and the uniform loads are supplemented. the prime variable is shear span ratio, span depth ratio, horizontal web reinforcement ratio and vertical web reinforcement ratio. according to the test results, the working behavior, the prime shear failure modes, the effect of concrete and web reinforcement ( horizontal web reinforcement and vertical web reinforcement ) and other aspects of r. c. beams are analysed. the uniform calculation method for shear capacity of deep beams, short beams and shallow beams for practical is presented

    文摘:在對國內外鋼筋混凝土梁的受剪性能進行較系統分析的基礎上,補充了11根鋼筋混凝土簡支短梁在頂部集中作用下的試驗,試驗梁的主要化參數為剪跨比、跨高比、水平腹筋率和垂直腹筋率.根據試驗結果,對試驗梁的工作性能、主要的剪切破壞形態、混凝土項的抗剪作用、抗剪腹筋(包括水平腹筋、垂直腹筋)的作用等進行了較為深入的分析,提出了可適用鋼筋混凝土深梁、短梁和淺梁相互協調的受剪承力的統一計算方法
  14. Firstly, with uniaxial symmetrical rectangle cross section, the warping displacement function and tangential displacement function under anti - symmetrical load are supposed. then taking shear deformation into account and with potential principle, the governing differential equation for distortion angle subjected to uniformly distributed distortion load is established

    首先,以單軸對稱矩形截面薄壁桿件為研究對象,假設其在反對稱作用下翹曲位移和切向位移的分佈函數,考慮剪切形的影響,利用最小勢能原理建立單位布畸作用下的畸角微分方程。
  15. Under action of uniformly distributed load or line load along inside edge, the upper and lower critical loads of truncated spherical shells with exponentially variable thickness and rigidly clamped edge were consistent with those obtained by other methods

    或內邊緣布線作用下,指數型厚度固定夾緊開頂球殼的上、下臨界得到了同其他方法一致的結果。
  16. Under action of uniformly distributed load, line load along inside edge or uniform moments along outside edge, upper and lower critical loads of truncated conical shells and spherical shells with linearly variable thickness were computed

    出了在、內邊緣布線或外邊緣布力矩作用下,線性厚度開頂圓錐殼、球殼的上、下臨界
  17. By using the method of plate load test, the deformation and settlement characteristics of foundation soils are systematically studied in this paper and the rules of deformation and settlement under homogeneously distributed load are discussed, which can complete the insufficiency of test technology in load test. the content includes followings : 1

    本文以平板試驗為主要測試手段,對地基土體的形及沉降特性進行了較系統的研究,探討了地基在下的形與沉降規律,完善了現有試驗測試技術中的一些不足。
  18. 3. as for side web girder, the principle of minimum potential energy has been introduced. by assuming different displacement function, the force and stress formulae for flanges under uniform loading, horizontal axial force, or vertical concentrated force have been derived

    對于邊主肋截面主梁,本文介紹了能量分法,通過假定板不同的軸向位移函數,推導了懸臂梁在、水平軸向力、豎直集中力作用下的微分方程和應力計算公式。
  19. In these examples, the results indicate that moments of every floor are very close, and each story obviously has an inflection point except ground floor in ordinary frame under the concentrated load. the moments get larger from top floor to ground floor, and the columns of ground floor and side columns of the stories close to the top floor do not have inflection point in ordinary frame under the trigonometry load or uniform load

    結果表明,無轉換層時,頂點集中下,各樓層的彎矩非常接近,除底層外,每層都有明顯的反彎點;而在倒三角下,各樓層彎矩由上至下逐漸大,接近頂端幾層的外柱和最底層柱沒有出現反彎點。
  20. Structure deformations rely mainly on shearing deformation in structures above the transfer girders under the trigonometry load or uniform load, and rely mainly on linear deformation under the concentrated load

    轉換梁以上結構在頂點集中形以直線形為主,在倒三角形以剪切形為主。
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