重力位厚度 的英文怎麼說
中文拼音 [zhònglìwèihòudù]
重力位厚度
英文
geopotential thickness- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 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...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
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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、垂直荷載高度或埋深、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載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。The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account
研究結果表明:對于本文的長圓形主鏡,採用正六邊形輕量化孔,鏡體結構剛性品質最好,正方形次之,正三角形最差;主鏡鏡體厚度存在最佳值;主鏡組件在1g重力、均勻溫升4共同作用的工況下,主鏡柔性支撐簧片厚度越小、高度越高,主鏡綜合面形誤差( p - v值)越小,但同時主鏡組件的剛體位移增大、固有頻率下降,因此柔性支承結構參數的確定要綜合考慮主鏡的綜合面形誤差和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因素。According to the state of an illness, it adopts the principle of full burdened, part burdened or part no burdened to incrassation, lower or even alter the width of the orthosis in the corresponding position, so that optimize the distribution of force and realize the perfect rectificatory function. nowaday, domestic orthosis was produced mainly by hand, so it ca n ' t meet the needs of markets in terms of quantity and quality
它是根據足底病變情況採取全負重或部分負重、部分免荷原理,根據每個人足底受力和病變情況,在鞋內托的相應位置區域上增厚或減薄、甚至伸縮寬度,從而改變足底的受力分佈,實現舒適或矯治功能。So it is quite important for sfrc to be used in those essential parts, such as the vicinity of frame column or shear wall in basement. the sfrc greatly improves the punching shear carrying capacity in raft foundation, or reduces the thickness of raft foundation in the same load. this in turn offers convenience in construction, reduces hydration heat in concrete and saves investments
因此,將鋼纖維混凝土用於特別需要的那些部位顯得尤為重要,比如用於筏形基礎的框架柱或剪力墻附近,大大提高基礎的抗沖切承載力,在荷載一定的條件下可減小筏板的厚度,將會給施工帶來方便,減少水化熱,節約建設投資。Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last
本文採用因素法定量化評價各地塊定級單元的相關性和權重性,最終選定了有機質含量、土層厚度、土壤質地、鹽堿化程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位,土地利用方式等因子作為定級的指標,使用了加權加和因素法進行了的定級計算,逐步完成了農用地質量情況的評價,劃分出了級別。Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction
目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素,以便充分掌握影響孔度大小、分佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程,它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究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。Meanwhile, the key research topics are focused on how to reduce the differential settlement between the main tall building and the anex on soft ground, where to set the post - cast strip, and what cause the smart change of the internal force of plate under the core canister of tall building. an experiential equation for estimating the maximum moment of plate is advanced. a method for calculating the range and the thickness of the local enganced plate and another experiential equatio n for estimating the increment of maximum moment of the local plate are also suggested
同時著重就軟弱地基中減小高層建築主裙房之間沉降差異的措施、施工后澆帶的設置位置,以及高層建築核心簡體下筏板內力變化劇烈等問題展開了分析,提出了筏板最大彎矩估算值的經驗公式,獲得了簡體下局部筏板加厚處加厚范圍及加厚厚度的取值方法及加厚處最大彎距增幅估算值的經驗公式,為今後設計同一類型高層建築提供一些借鑒。On the basis of detailed comparison and analysis, the paper proposed ways of using the k2 bogie and hdsa light - duty solid wheel, getting through the partition wall, canceling the longitudinal sill of the roof and decreasing the thickness of the board where the value of stress is low, using high intensity steel, increasing section dimensions of center sill and side sill, to improve the whole carrying capacity
本文在比較分析的基礎上,提出了裝轉k2轉向架,採用hdsa輕型碾鋼輪,打通隔墻,取消車頂縱向梁,在應力小的部位減薄壁厚的減重對策;採用高強度耐候鋼,加大中梁、側梁的截面尺寸等措施,提高車輛的承載能力。Which often produces some unexpected problems, such as prolonging time limit of project, increasing engineering quantities and cost, etc. through test on the site, dynamic value analysis, finite element unit method, the paper researchs construction technology of in - situ pile, transfer theory, thickness of supporting layer of head slab and depth of pile in karst area, provides some important conclusions, directs effectively the design and construction of this kind of projects
但因溶洞的分佈規律性差,現有勘探手段難於事先查明它的準確位置及大小,因而常常給施工帶來意想不到的問題:工期延長、工程量增加及工程費用增加等。本文通過現場試驗、理論計算和有限單元分析,對巖溶地區鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面進行了較為系統的研究,得出了一些重要結論,有效地指導了該類工程的設計和施工。Manufacturing is on the foundation, one state modernization rest up on mightiness reliable advance manufacturing foundation, is " reliable modernization, secure modernization " ; of economic development possess. it is one importance field that set obtain employment incompatible ; it was not only high and new technology " s bearer, but its power also. it is important attribute and object in our country ' s industrializatoon, it is also driving force in urbanized. manufacturing production mode is confronted with graveness change, it is confronted with from " ford mode " transiting to " flexible mode ", from extensive management transiting to intensive farming, it is still confronted with advanced technology and powerful capital competition abroad after intered into wto ; it is backbone industries and dominant strength and primary revenue source industry in zhejiang economic development, actually zhejiang is becoming manufactured product critical industry export depot of inland, zhejiang manufacturing possess unique industrial organize form, created unique institution and culture, it has become theoretical investigation prototype of inland. this article handles active branch of modern economics - industrial economics, to investigation the importance industry in this representative region, in the hope of obtain beneficial research findings
製造業在經濟發展中具有重要地位,它是一個國家經濟發展的基石,也是增強國家競爭力的基礎,一個國家現代化建立在強大可靠的先進製造業基礎上,是「可靠的現代化、安全的現代化」 ;製造業是解決就業矛盾的一個重要領域;製造業不僅是高新技術的載體,而且是高新技術發展的動力。在我國製造業現代化是工業化的重要標志和目標,也是城市化的推動力。製造業的生產模式面臨重大變革,面臨從「福特模式」向「柔性模式」轉變,從粗放經營向集約經營轉變,還面臨入世后國外先進技術和雄厚資本的競爭;製造業在浙江是支柱產業,是浙江經濟發展的主導力量,如今浙江已成為國內重要的工業製成品出口基地、主要的稅收來源產業,浙江製造業還具有獨特的產業組織形態,創造了獨特的制度與文化,成為國內理論研究的典型樣板。Then using ansys analysis software, we are with an emphasis on studying stress and strain of up - press - board and low - press - board of main engine structure and find the rules for the stress and strain of up - press - board and low - press - board in the different boundary conditions. these rules provide theory for designing reasonable thickness of up - press - board and low - press - board. this article also discusses the best locations for installing vertical displacement sensors
然後利用ansys分析軟體,重點對系統中主機結構的上、下壓板的應力應變進行分析研究,找出在不同的邊界條件下,上、下壓板的應力應變變化規律,為設計出合理的上、下壓板厚度提供理論依據並確定了縱向位移傳感器在上、下壓板的最佳安裝位置。And the best scheme among them has been proposed. in the last, with design opt of ansys, assigning roof plate ' s and base plate ' s thickness as design variables, making them meet the constraints of displacement of roof plate and base plate, and assigning the maximum stress of the structure as the goal function, the pile - boots structure has been optimized
最後利用ansys自帶的優化求解器designopt ,以對樁靴結構強度和變形影響較大的頂板和底板厚度為設計變量,在滿足重要部件?頂板和底板豎向位移的約束條件下,把結構的最大等效應力設為目標函數,採用一階優化方法,對樁靴結構進行了優化設計,並得到了最優解。( 1 ) car body stands in quite identical stress level by decreasing the thickness of plates, ameliorating structure and so on in strength affluence position under five cases ; ( 2 ) without changing stress distribution, holes are dug in bearing the weight of positions by wiped off material in order to decrease weight
( 1 )在強度富裕處通過降低板厚、改進結構等手段,使得整車在強度規范的五種工況下,各處均處于較為相當一致的應力水平; ( 2 )在各種承載部位,在不改變其應力分佈的前提下開設減重孔,利用去除材料來達到減重的目的。分享友人