span factor 中文意思是什麼

span factor 解釋
翼展系數
  • span : n 1 一?〈手指張開時,拇指尖至小指尖的長度,通常九英寸〉。2 (常有短的涵義的)一段時間;很小的間隔...
  • factor : n 1 〈英國〉經銷人;(代客買賣收取傭金的)經紀人;代理商;代辦人;〈蘇格蘭語〉 土地經管人。2 要素...
  1. In fact, stuff quality of space grid structures member, manufacturing accuracy and construction management are major factor that influence development with high quality and high - level of space grid structures, space grid structures commonly with large span, and more is public buildings, important buildings, mass man under it, dearness equipments on it, erecting at high level, hardest strengthen when happen problems

    事實上,當前網格結構構件的材料質量,加工精度以及施工管理是影響網格結構高質量高水平發展的主要因素。網格結構一般跨度較大,而且多為公共建築,重要建築,下面人員眾多,設備貴重,網架建在高空,出了問題極難加固。
  2. According to roof safety factor of 1. 2 for the mined - out area, minimum safety roof thickness at different rock in various span mined - out area was calculated by flac software, which transfixion of plastic zone was taken as criteria of roof breakage by using strength reduction technology and dichotomy theory

    摘要利用強度折減技術和二分法原理,以塑性區的貫通作為頂板破壞的標準,當采空區頂板的安全系數等於1 . 2時,利用flac軟體計算得出各種跨度空區在不同巖層中的最小安全頂板厚度。
  3. Coil span factor

    線圈節距系數
  4. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模型的參數等值線圖,率定了不同設計頻率的改正系數,使設計者只需在地形圖上獲取集水面積,河道平均坡降和流域形狀系數,在參數等值線圖上查得橋涵所在地的相應參數,使用計算器即可迅速計算出設計流量,大大縮短了設計周期,且精度較高,設計的洪水流量一般低於傳統方法,從而可減小橋涵跨徑,節省投資。
  5. Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained

    本文採用風洞模型試驗和計算機數值計算相結合的方法,對杭州大劇院大跨度橢球屋蓋和倒圓錐面幕墻組合結構的風振機理、風振形態、風振響應以及風振系數進行了較系統的研究,取得了有意義的結論。
  6. As is well known, the effective width depends on several factors, such as the cross - section width, the height of web, the spacing of span and so on. we can conclude that width / span ratio ( overhang width / span and central width / span ) is the governing factor of the effective width

    影響箱形截面樑上翼緣有效寬度的因素很多,如上翼緣寬度、梁高、跨度以及結構體系等,通過大量計算表明寬跨比[翼緣部分寬度、箱室部分寬度與跨度的比值]是有效寬度的控制影響因素。
  7. This paper applies nonlinear finite element program bsnfem to analyze the behaviors of eccentrically braced steel frames under cyclic load. the study that comprehensive and systematic analyze the factor of links length, thickness of links flange, distance of links rib, thickness of links rib and angle of brace to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel frames have been some studied before. this paper fills the black in the filed factor of high - span ratio, brace stiffness and brace - to - beam connections to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel trames and any factor to be changed affect energy - dissipation capacity of y shape eccentrically braced steel frames

    對耗能梁段的長度、耗能梁段腹板的厚度、耗能梁段翼緣的厚度、耗能梁段加勁肋的間距、耗能梁段加勁肋的厚度、支撐的夾角等因素的改變對d形、 k形偏心支撐鋼框架耗能的影響,前人已有一些研究,本文對這些因素的影響進行了全面系統的分析,完善了理論分析的不足;而結構高跨比、支撐剛度、支撐與梁的連接形式等因素對d形、 k形偏心支撐鋼框架破壞機理的研究以及各種因素對y形偏心支撐鋼框架破壞機理的影響,則很少有人涉及,本文對此也進行了深入系統的分析,填補了這一研究空白。
  8. 3. the mid - span deflection of slight corrosion specimens is smaller than that of non - corrosion specimens on the static loads and the fatigue loads ; the maximum crack width of slight corrosion specimens is larger than that of non - corrosion specimens ; fatigue life of slight corrosion specimens is shorter than that of non - corrosion specimens ; the corrosion of re - bars is a sensitive factor to fatigue life

    ( 3 )輕微銹蝕試件梁的跨中撓度在靜載和循環荷載下比未銹蝕梁小;輕微銹蝕試件梁的最大裂縫寬度比未銹蝕試件梁的最大裂縫寬度大;輕微銹蝕試件梁的疲勞壽命比未銹蝕試件梁的疲勞壽命降低,鋼筋銹蝕是疲勞壽命的敏感因素。
  9. In fictions, tune scale, an important factor in time ' s artistic construction, refers to the time span of the stories

    摘要時長作為小說時間藝術構建的重要一元,指的是小說故事的時間跨度。
  10. Wind tunnel investigation of large span flat roof was carried out. mean local shape factor and extreme local shape factor distributed on the roof of the structure with two exposures are measured. effects of terrain exposures on the mean local shape factor and extreme local shape factor are discussed

    然而,對于大多數的屋蓋結構,由於其自身結構和風荷載的復雜性,我國的有關荷載規范中並沒有這方面的建議條文,因此對于大跨度屋蓋結構風荷載特性的研究,已成為一項急需進行的重要課題。
  11. This paper introduces the development and present situation of vibration absorb technology in the world ; generally analysis the rubber - bearing ( rb ) and lrb " s operative mechanism, function and the calculation of parameter ; advance the concept of standardization to lrb ; on the basis of generally analyzing the connected factor such as the site category, the diameter of lead bar, the height of bearing, the designing carrying capacity, the span of bridge, the inherent period and the displacement of rb, determine the parameter, the absorbing vibration target, the method and the process of standardization to lrb ; then according to the two - step rule of resisting and defending earthquake, and combining with the response spectrum theory in the seismic vibration of bridge, make a lot of calculation and analysis of vibration absorb design to the real bridge collected and combined by finite element program ; at last, gives the result of standardization through diagram and explains to its usage

    本論文介紹了國內外減震技術的發展和現狀;綜合分析了普通板式橡膠支座和鉛銷橡膠支座的工作機理、性能及參數的計算;提出了鉛銷橡膠支座標準化的概念;在綜合分析場地土、鉛銷直徑、支座高度、設計承載力、橋梁跨徑、固有周期以及支座變位等影響因素的基礎上,確定了鉛銷橡膠支座標準化的參數、減震目標、方法和過程;並根據抗震設防兩階段原則,結合橋梁地震振動理論的反應譜法,運用有限元程序對收集和組合的實橋進行了大量減震設計的計算和分析;最後以圖表的形式給出了鉛銷橡膠支座標準化的結果,並說明了其使用方法。
  12. The rules obtained from the background modal analysis method based on the quasi - steady assumption in frequency - domain are similar to those obtained by the analysis method in time - domain, and the influence of high modes can be considered. finally, the dissertation suggests that for engineering design, it is better to use equivalent wind load factor defined the ratio of wind - induced total displacement to static displacement for computing the equivalent static wind load of long - span grid roof structures, and the equivalent wind load factor of the roof of taizhou stadium is calculated

    最後通過對大跨網架屋蓋結構的風振系數的研究,提出了在實際工程設計中,採用位移風振系數來計算大跨屋蓋的等效靜力風荷載既正確又方便使用,並且給出了臺州體育中心看臺屋蓋進行分塊統計后的位移風振系數,以供設計參考。
  13. Based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and equivalent wind load factor of the long - span grid roof of taizhou stadium subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained. in the matter of wind tunnel tests, the distribution rules of roof under various wind directions are obtained through the data got from the wind tunnel tests for rigid model of long - span grid roof of taizhou stadium

    在風洞試驗方面,通過對臺州體育中心屋蓋剛性模型在模擬大氣邊界層風洞中進行的不同風向角下的風洞試驗所得數據的研究,獲得了結構在各種情況下的屋面風壓分佈規律,並且繪制了臺州體育中心屋蓋在各個風向角下的屋蓋平均風壓系數和脈動風壓系數分佈等值線圖。
  14. Based on the study of transverse vibration of 469q gasoline engine, this paper proposes that the span length of the synchronous belt is the main factor affecting the vibration amplitude and frequency, and this has been verified on 469q gasoline engine

    摘要通過對469q汽油機正時同步帶傳動進行橫向振動的分析研究,提出了影響同步帶橫向振動頻率和振幅的共同因素主要是同步帶跨度,並且通過試驗驗證了結論的正確性。
  15. An experimental study on steel fiber reinforced concrete ( sfrc ) thick cap with four piles indicates that the factors affecting its ultimate loads are composed of its effective thickness, steel fiber volume ratio, concrete strength grade, shear span length, steel ratio and the form of reinforcement, in which the factor of the form of reinforcement affecting the ultimate loads of pile cap is distinct

    摘要鋼纖維混凝土四樁厚承臺的性能試驗研究結果表明,影響其極限荷載的因素主要有承臺有效厚度、鋼纖維體積率、混凝土基體強度等級、承臺的剪跨比、縱向鋼筋配筋率和配筋形式等,其中,配筋形式對鋼纖維混凝土厚承臺承載力的影響是很顯著的。
  16. The contents include as follows : the influencing factors of the displacement ductility factor of the unbonded partially prestressed concrete frame structures, such as stirrup reinforcement characteristic value, nominal shear span ratio, axial compression ratio, the appearing order of plastic hinges and partial prestressing ralio ( ppr ) are discussed. the formula of displacement ductility factor of the unbonded partially prestressed concrete frame structures is suggested by regression analysis. with regard to the aseismic design and the request of ductility and energy dissipation, the restriction of the flat - beam / column sectional size and aseismic reinforced design are discussed

    本文主要包括以下內容:討論了配箍特徵值、名義剪跨比、軸壓比、塑性鉸出現順序、預應力度等因素對無粘結部分預應力混凝土框架位移延性系數的影響,回歸了考慮影響因素的位移延性系數計算公式;對無粘結部分預應力混凝土扁梁框架結構,闡述了抗震設計對扁梁、柱截面尺寸的要求與限制;對滿足延性和耗能要求的無粘結部分預應力混凝土扁梁控制截面抗震配筋進行了探討;通過對無粘結部分預應力混凝土扁梁梁端的受力分析,改進了以往扁梁梁端扭矩設計值計算公式。
  17. The process by which the size of the job is determined usually by defining the jobs according to certain agreed factors such as know - how, span of control, complexity etc and applying a score to each factor

    職位相對價值的系統化方法,評定職位等級的過程一般根據某些議定的因素例如知識管轄范圍復雜性等
  18. Long - span bridges service under long - term transportation loads, strength degradation of structure materials because of fatigue cumulative damage is key factor of durability

    大型鋼橋是在交通載荷作用下長期工作的,疲勞累積損傷引起結構材料強度逐漸退化,成為大型鋼橋耐久性的關鍵因素。
  19. It is difficult for us to find a mathematic function existed to explain the relation ship between the parameters of the load factor and the life spsan, we had to establish a mathematic model to explain the relation ship between the parameters of the load factor and the life span

    此外,很難找到失效負載與被求參數的函數關系,解決這一問題的最佳辦法就是採用數學建模的思想,建立可靠性模型,通過對模型的求解,外推出真實情況下的失效參數,計算可靠性指標。
  20. Based onthe analysis of the behavior of joints, further analysis about the composite steel frame isproceeded. in this way, the stiffness matrix of the frames is inferred, and the formula of thefixed moment calculation about beam element with semi - rigid connections is presented. at theend of this paper, a two - span and five - story composite steel frame is analyzed using finiteelement software ansys8. 0. the analysis indicates that the semi - rigid behaviour of joints havesome influence on the mechanical behavior of frame, but the main factor of influence is the

    最後採用ansys對一雙跨五層組合鋼框架進行了結構分析,分析表明,連接節點的半剛性性能對組合鋼框架的受力性能有影響,但半剛性組合鋼框架的受力性能的主要影響因素是節點約束系數,本文詳細分析了約束系數對框架受力性能的影響,指出在組合鋼框架設計當中,考慮連接的半剛性性能能使框架內力分配更為合理。
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