荷載組合系數 的英文怎麼說
中文拼音 [hézǎizǔgěxìshǔ]
荷載組合系數
英文
load combination factor- 荷 : 荷名詞(蓮) lotus
- 載 : 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 ...
- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 組合 : 1 (組織成為整體) make up; compose; constitute 2 (組織起來的整體) association; combination3 [...
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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The comprehensive treatment project of lin jia ya slide el consists of whittling slope, anti - slide pile with anchoring cable, retaining wall, building ground drainages, level ing off and calking slope, vegetation protection etc. after managing, under the action of earthquake load and watery the stability coefficient of slide is up to 1
林家崖號滑坡的綜合治理方案是由削方、錨索抗滑樁、護坡擋墻、地表排水、整坡填縫、生物防護等多種工程措施優化組合而成。治理后,在飽水有地震荷載狀態下滑坡的安全儲備系數為1 . 10 。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載荷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法,使其可應用於變形體連接的多體系統,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)組成的多體系統.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系數因子和阻尼系數因子Assemblage ) represented the coastal shallow - water environment ; factor 2 ( protelphidium tuberculatum assemblage ) represented the alongshore cold - water current area or cold shallow sea environment ; factor 3 ( elphidium magellanicum assemblage ) represented the sh allow sea ( < 20 - 30m depth ) deposit ; factor 4 ( ammonia ketienziensis assemblage ) represented the shallow - sea water more than 50m depth ; and factor 5 ( buccella frigida assemblage ) represented the colder - water sea environment ; and the distribution of factor load accorded with the character of benthic foraminifer community
Q型因子分析揭示ey02 - 2孔5種有孔蟲組合,分別對應濱岸鹽沼環境、黃海沿岸流冷水分佈區、高潮坪淺海沉積環境、水深大於50m的現代淺海環境及較冷的沉積環境。因子載荷的分佈與有孔蟲群落特徵吻合較好。南黃海有孔蟲含量? ?水深轉換函數關系式有一定的局限性,並不能在南黃海陸架地區推廣使用。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
本課題針對重載道路路面設計中所存在的問題,從重載交通特性出發,收集分析了國內幾條重載道路的交通及軸載組成情況,根據重載交通的特點,分析原有荷載圖式的不足,提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,通過對重載路面軸載換算公式的進一步研究,分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討,系統地提出了重載路面的設計方法,並使之有效地運用到工程實踐中。To have a further study of the new type soft subgrade reinforcing system of geocell reinforced gravel mattress and gravel pile composite foundation of its mechanism of load capacity and settlement development, three comparative model tests were designed and carried out under the direction of similarity theory and similarity criterions deduced through dimension analysis method
摘要為深入研究土工格室碎石墊層碎石樁復合地基這一新型多元復合地基加固體系的承載力和沉降變形機理,應用量綱分析法推導了土工格室碎石墊層碎石樁復合地基模型試驗的相似準則,根據相似理論設計和完成了3組具有可比性的模型試驗,獲得大量荷載沉降、樁土應力比和應力分佈數據。The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided
本文僅就嘉定電廠二期工程中的三根試驗樁的靜載試驗進行了分析和研究,利用樁土體系荷載傳遞分析計算的基本微分方程及應力-應變轉換原理,結合預埋電測元件的樁身率定,對三組不同種類、不同施工工藝、不同持力層中的樁的豎直、水平承載特性進行了分析、比較和歸納,通過大量、全面的實測數據,經過整理、轉換和推演,揭示了不同試驗樁在豎直、水平荷載作用下的應力變化規律和樁身變位、撓曲變化規律,最終提供試驗場地土層和樁的承載特性,為該工程合理設計樁型提供了可靠的設計參數,為確定科學的施工工藝提供了有力的依據。In this paper, considering the additional bending moments of the axial load about the lateral displacements ( i. e. the second - order effect ), an iterative computer analysis procedure is proposed to predict the load - deformation relations and ultimate loads of steel - concrete composite columns of arbitrary cross section
本文考慮長柱在軸向荷載作用下的附加彎矩影響(二階效應) ,提出了一種適用於任意截面形式鋼-砼組合長柱的荷載-變形關系分析和極限承載力分析的數值迭代計算機方法。Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology
綜合考慮了拉索抗彎剛度、垂度的影響,研究了粘彈性阻尼器對斜拉橋拉索的空間振動控制,聯合中心差分方法及狀態空間法,得出了拉索麵內、外振動各階模態可能達到的最大阻尼比及相應的最優阻尼器系數,並對斜拉橋拉索的阻尼器設計提出了參考建議:考慮拉索抗彎剛度、垂度及幾何非線性,導出了索-阻尼器系統的空間振動非線性方程組,結合newmark方法及偽力( pseudo - force )方法,創新地提出了求解非線性方程組的雜交方法,根據拉索-阻尼器系統的阻尼特性,在各種荷載作用下,對索-阻尼器系統的非線性瞬態振動響應進行了研究,從系統響應的角度更加直接地驗證了阻尼器的控制效果。5. utilizing the grey clustering method, mathematics and mechanics knowledge, the safety states of dams under typical load combinations are analyzed and evaluated. 6
利用灰色系統中的灰色聚類方法,並結合數學、力學知識,對大壩在各種荷載組合作用下的安全性態作了分評價。Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present
具體工作有以下幾方面: 1 )收集整理漫灣水電站大壩運行監測資料,並對其進行了系統分析,從觀測資料本身直觀的分析了大壩的運行狀況; 2 )總結位移反分析的理論及方法,建立了考慮先驗信息多介質位移反分析模型,基於神經網路非線性映射功能,建立了神經網路時間序列預測模型; 3 )以ansys軟體為平臺,開發了漫灣水電站砼重力壩運行狀態評價模塊,結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行狀態分析系統;實現了對漫灣水電站運行狀態的動態「反演-預測」分析; 4 )利用漫灣水電站砼重力壩運行狀態分析系統,在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上,系統的分析並預測了大壩運行狀態。Multi - span plastic greenhouse structure design theory has been studied systemic which include design loads, design methods and system optimization designs aimed at the situations above - mentioned, meanwhile, theory analysis and designs have been completed for series east - china multi - span plastic greenhouses in accordance with the local climate characteristic. some elementary conclusions are summed up : ( 1 ) in the aspect of multi - span plastic greenhouse structural design loads researches, based on the contrast analysis of loads provided in foreign and chinese standards, analysis and discussion are mentioned about the definition loads, the estimation and load cases for multi - span plastic greenhouse structural design in details, some conclusions are summed up first : i, wind load : under the present conditions, it is unnecessary to
得到一些初步的結論: ( 1 )在連棟塑料溫室結構設計荷載研究方面,從分析比較國外關于溫室建築及我國工業與民用建築設計荷載規范的角度出發,針對連棟塑料溫室結構設計中的荷載定義方法、計算取值、荷載組合等進行了較深入的探討和分析,首次得到以下結論: 、風荷載:在現有條件下,考慮風壓高度變化系數、陣風作用因子和風荷載體型系數,按中國建築結構荷載規范( cbj9 ? 87 )計算風荷載是可以的,不必進行重現期博士學位論文摘要修正。Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result
西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。The comfortable degree and impact coefficient of pedestrian passage bridge under moving vehicle load is studied in this thesis by ansys finite element procedure
本文應用ansys有限元程序就二次預應力超薄梁組合結構在移動車輛荷載作用下行人過橋的舒適度和橋梁的沖擊系數兩個問題進行了研究。The model of the problem is composed of two half spaces with half circular lining inclusion. horizontal surfaces of the half spaces are loaded with undetermined anti - plane force in order to satisfy continuity conditions at linking section, or with some certain forces to appear cracks. a series of fredholm integral equations of the first kind for determining the unknown forces can be set up through continuity conditions that expressed by using of the green " function
然後將問題的模型視為「契合」問題,即將其剖分為兩個含半圓環形襯砌的彈性半空間,分別在其剖分面上加置未知的出平面荷載,並在欲出現裂紋位置加置出平面反力使之產生裂紋,接下去利用green函數表示出界面連續條件,建立決定待解外力系的第一類fredholm積分方程組。( 2 ) the finite element program ansys is used to analyze the elastic buckling of rectangular tube, consequently the buckling load pcr and the simulating formula for the restraint coefficient &, is obtained. the results derived from the program are compared with the british standard and china standard
( 2 )採用有限元程序ansys對矩形鋼管板組進行了彈性屈曲分析,得出其臨界荷載p _ ( cr ) ,彈性屈曲模態與解析法所作假設相符,並擬合出均勻受壓下的矩形鋼管約束系數k _ 1的公式,並與英國規范和我國規范進行比較。On the model of the optimum design, it ' s proceed modal of fea ; with the superior design, structural vibration period is studied for providing the theories calculation of construction engineering ; calculating many load cases, some parameters are given and provide the beneficial datum for actual engineering. the research in task evinces the construction cost can be reduced by optimize design and has good dynamic characteristic. optimum technology has a better project applying value in structural design
並在優化設計模型的基礎上,對其進行模態有限元分析;研究其在最優設計條件下,結構自振特性問題,為工程結構的動力分析提供理論計算依據;同時對剛架進行多工況荷載組合抗震計算,得出地震作用參與荷載工況組合時,各設計參數間的關系並得出結論,為實際工程設計提供有益的參考資料。Which has high strength, good ductility, impact bearing, erode - bearing, besides, its linear expanding coefficient is almost equivalent to concrete, and it has excellent performance - price ratio etc. this paper is related to 8 rc - poles wrapped by gfrp ( sgfw430 ) and rc - poles are compressed axially, in order to analyze the influence of different stick layer over the pole ' s work performance and the influence between three type axial compress ratio ( 0, 0. 8, 1. 1 ) with one layer gfrp with the contrast poles about limit load - bearing capability, failure state, ductility, section stiffness, restrict losing owing to stress - difference
其具有強度高,延性好;抗沖擊、耐腐蝕;線膨脹系數與混凝土接近;性能價格比高等多個特點。本文通過8根外包單向gfrp ( sgfw430 )的rc組合柱,以及混凝土對比柱在軸心荷載作用下的試驗為基礎,具體詳細地分析柱子在粘貼不同層數的高性能玻璃纖維和在不同的軸壓比( 0 、 0 . 8 、 1 . 1 )下粘貼一層的高性能玻璃纖維后混凝土組合柱相對對比柱在極限承載能力、破壞形態、延性、截面剛度、應力差帶來的約束損失等方面的變化情況。Several types of buckling mode and several types of collapse mode for the stiffened panels are mostly analyzed. it is emphasized on the influence of position of loading plane on the ultimate strength of stiffened panels and numerical calculation of stiffener tripping. at last the interaction of ultimate strength for stiffened panels combined different loads is discussed
文中主要分析了加筋板的幾種屈曲模式和幾種失效模式,並著重討論了加載偏心對極限強度的影響和加筋板的側傾強度數值分析,和簡單討論哈爾濱工程大學博士學位論文了組合載荷作用下的加筋板極限強度的相互關系。The effect of load on the crack is discussed using numerical simulation approach. then, the data mining approach to the unfavorable load combination of the crack is proposed using artificial neural network. the rule of the unfavorable load combination of the crack is generated and three dimensional load combination is given
( 2 )概要闡述了溫度場的模擬,研究了薄層單元和分佈裂縫模型,應用數值模擬分析方法,結合工程實際,分析了荷載對裂縫的作用效應;在對人工神經網路方法與數據挖掘關系深入研究的基礎上,提出了基於神經網路的裂縫不利荷載組合挖掘方法,提取裂縫的不利荷載組合,並研製了三維荷載組合曲面圖。A distributed computer control system which is used in an helicopter airscrew multi - channel harmony loading test project is introduced in this paper. the paper analyses the construct and the model of the system
論文結合實際的工程項目,以某型號直升機旋翼氣動載荷模擬為研究內容,對加載計算機控制系統的組成、系統數學模型進行分析和研究。分享友人