荷載系數法 的英文怎麼說

中文拼音 [zǎishǔ]
荷載系數法 英文
load factor method
  • : 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 ...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承力問題進行了實用化的探討,提出了考慮地基變形的地基承力上程計算方;對基於彈塑性理論分析的地基承力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承力界限p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承力的動測進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元計算、土力學計算及深斤試驗四方面進行了深入討論;本文作者根據多年現場試驗的工程實踐,對深井試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加統,該加統具有實用、簡便、穩定及安個等優點。
  2. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方。按照鳥撞問題值計算方逐步深入的思路,統總結了小變形結構動力學有限元值計算方、有限變形的幾何非線性有限元值計算方、粘彈性體非線性形變的本構物理關;對于實施復雜結構有限元動力學計算的增量方提出了對newmark差分的改進以及進行材料與幾何非線性值計算的細致步驟。
  3. Third, according to an example, the influence on soil displacement stress etc under harmonic vibration load induced by infiltration coefficient and loads frequency variation is studied numerically in dissertation. finally, the difference of layered saturated soils consolidation between rectangle and harmonic vibration loads is studied in this dissertation

    再次,以值方研究了簡諧作用下成層飽和地基二維biot固結的一般規律,同時還研究了固結情況受滲透,頻率等參影響的規律。
  4. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方,使其可應用於變形體連接的多體統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度因子和阻尼因子
  5. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方;通過計算分析,深入探討了旋噴樁復合地基變形隨變化規律、樁和樁間土變形協調關、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方和修正參;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方進行了較全面的探討。
  6. The paper described the building process of model that can identify the shock - absorber parameter of landing gear and at the same times optimize performance of system. in this paper, there are also some debate, it include identifying parameter which can not be measured, such as the air polytropic exponent and the orifice discharge coefficient of shock - absorber

    本文利用復合形優化演算建立了起落架緩沖統參識別與統優化模型,對緩沖器空氣壓縮多變指和油孔流量等不可測參的識別和著陸、滑跑多目標優化問題進行了討論。
  7. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜力風和動力風作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振等相應方來加以體現。
  8. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦及摩擦力隨上部結構變化的規律; (二)通過單柱承力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承力、極限變形等參量; (三)通過柱架低周反復試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承力和極限變形、及榫卯減振參; (四)通過斗?低周反復試驗和受壓試驗,測定了古建築木構件與木構件間摩擦,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參等進行了定量分析。
  9. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方;基樁承實驗表明了與摩擦阻力之間的關,並對巖溶地區的嵌巖灌注樁的傳遞和破壞機理、承力特性,進行了富有成果的現場測試工作;試驗據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承力也較設計增加;使用力學值分析方和有限單元,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
  10. 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,將圍巖容重、側壓力、垂直高度或埋深、圍巖的彈性抗力、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作為隨機變量,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均值和方差,並計算出了相應的襯砌結構可靠指標。
  11. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布、矩形垂直均布及條形垂直均布作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形、矩形垂直均布及條形垂直均布作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布中心軸線上的附加應力中心沉降,矩形垂直均布角點下的附加應力角點沉降及條形垂直均布中心軸線上的附加應力進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體理論對一個工程實例進行了計算分析,並與傳統的計算方的計算結果和有限單元方的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  12. Considering special form of the boiler frame, the reconstruction and enforcement method, in addition dynamic analysis are given by particular steps : establishment of the model of boiler steel frame, determination of earthquake loads and distribution form, and anti - side force system for the frame to model and analyze, involving loads on the frame and above it, earthquake loads, damping, sway control installation, hanging bar and plate beam

    考慮鍋爐構架鋼結構的特殊形式,研究並提出了電站鍋爐鋼結構改造加固研究方,及動力分析的具體步驟:建立了鍋爐鋼結構動力分析模型、地震分析方、建立了鍋爐鋼結構布置型式、及整個鍋爐鋼構架抗側力體模擬分析方。具體包括:鋼構架本體及構架上、地震與阻尼確定、制晃裝置確定、吊桿與大板梁簡化。
  13. The result of this method agrees well with that estimated by fem. load ratio coefficients a and p are important to calculate vertical stresses

    本文分析了、對下臥層附加應力的影響並討論了分配、的計算方
  14. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架穩定性能量特徵值方程(通式) ,考慮弧形鋼閘門主框架柱的柱端約束的特殊情況,求出撓曲線函(試解函)通解,得到弧形鋼閘門主框架柱穩定性計算長度方程。其中弧門主框架主橫梁式形框架的臨界比較現行規范推薦的有限元簡單方便、結果精確及物理概念明確等優點。
  15. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分:首先利用frank源匯計算水動力,計算包括不同吃水時的附加質量和阻尼,吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水;然後建立和求解船舶大幅度運動方程,在實際計算時一方面考慮了運動模態之間的耦合,另一方面在計算水動力時,考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力隨吃水瞬時變化,靜浮力的計算精確到船體瞬時濕表面積,最後用四階龍格?庫塔方在時域內求解船舶運動方程,並進行了計算。
  16. Base on the theory of bearing capacity of single pile, we calculated the bearing capacity of single precast pile in zhoushan. the target reliability and partial factors were provided at the same time. according to the theory of settlement of single pile, mindlin solution and layerwise summation method, we also calculated the settlement and provided a settlement prediction method

    結合舟山實際試樁資料,本文對單樁承力進行了估算,在此基礎上進行了可靠度指標的計算和分項、抗力分項的計算;根據沉降理論對單樁沉降應用mindlin解和分層總和進行計算並與資料進行了對比。
  17. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重道路路面設計中所存在的問題,從重交通特性出發,收集分析了國內幾條重道路的交通及軸組成情況,根據重交通的特點,分析原有圖式的不足,提出了適合於重瀝青、重水泥混凝土路面的圖式;同時,在重水泥混凝土路面疲勞方程及重瀝青路面破壞機理研究的基礎上,通過對重路面軸換算公式的進一步研究,分別提出了適合於重水泥及重瀝青路面的軸換算公式;此外,本文還對重水泥、重瀝青路面的設計指標、交通參、材料參及結構組合等方面進行探討,統地提出了重路面的設計方,並使之有效地運用到工程實踐中。
  18. Generally, the skew bridge ' s calculation theories can be divided into three types : the category 1 is the plank theories method, such as the finite difference method, the finite element method and the finite strip method, etc ; the category 2 is the beam theories, such as the grid beam theories, the general grid theories, the rigid cross - beam method, the elastically - supported continuous beam method and the bar system analytical method, etc ; the category 3 is the practical method, such as the g - m revising method, the grid - beam simple method and ghali form coefficient method, etc

    目前關于斜梁橋的計算理論和方概括起來,大致可以分為三類:第一類為板理論方,如有限差分、變分、有限單元、有限條等;第二類為梁理論,如格構梁理論、一般格構理論、剛性橫梁、彈性支承連續、桿件結構的分析方;第三類為實用計演算橫向分佈的計算方如g ? m修正、格構梁的簡易、 ghali表格等。
  19. Based on the full - depth / part - depth shear spring model proposed by luo weide and the theoretical corealation between the pile base resistance and the pile base settlement presented by randolph, a elastic analytical approach for computing the pile compression is conducted

    本文利用羅惟德全深度? ?變深度剪切彈簧模型推導了樁身壓縮量的彈性理論解析計算方,選用randolph的樁端沉降與樁端阻力的關,利用傳遞推導了樁身壓縮量的值計算方
  20. An incrementally - iterative algorithm with constant stiffness, which combines step - by - step time integration scheme with unbalanced load transfer method, is employed in numerically implementing of the proposed constitutive model

    在模型本構關值實施中,採用將時域逐步積分格式與不平衡轉移相結合的增量?常剛度迭代演算
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