車道分佈 的英文怎麼說
中文拼音 [jūdàofēnbù]
車道分佈
英文
lane distribution-
The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track
摘要分車道行駛輪跡橫向分佈頻率曲線顯示,渠化程度較高的高速公路水泥混凝土路面磨損破壞主要集中在行車道輪跡峰值范圍。The disturbed flow caused by three six - storied residential buildings and a twenty - storied tall tower, respectively, as well as the distribution of traffic tail gas from a nearby road, are simulated by using an urban climate model
應用城市氣候數值模式,分別計算了3棟6層住宅樓和1棟20層住宅樓兩類建築形式產生的風場,以及在此風場中街道汽車尾氣的濃度分佈。Second, we introduce a two - lane traffic model which is based on the ( 0, 2 ) and ( 0, 1, 2 ) models. we mainly study the coupling effect of lanes. in two - lane traffic, vehicles can change lanes and overpass. the interactin between lanes is considered as coupling effect. the computer simulation indicate that ( dthe current of the system with cupling is greater than that without coupling ; 0for a certain initial density, the average flow and speed are indepent on the coupling coefficient which is greater than zero ; when the initial densities ( speeds ) of lanes are different, the characters of traffic system will be different
在單車道模型的基礎上,建立v _ ( max ) = 2雙車道模型,研究車道的耦合效應。雙車道模型中車輛可以進行轉道、超車,兩道之間有耦合作用。模擬結果說明,有耦合時系統的流量比沒有耦合時大;在固定的初密度條件下,只要耦合系數b 0 ,兩道間的耦合強弱對流量和速度無影響;兩道初密度分佈不均勻和速度分佈不均勻都能使交通系統特性發生變化。For the construction of single - arch tunnel within cracked surrounding rocks, 8 tunnel models are set up to study the effect of the earth pressure distribution of the various surrounding rocks due to excavation. the relationships between the loosen zone of tunnel radial earth pressure and the tunnel diameter, the characteristics of surrounding rocks and the exposed time are revealed. it is showed that the pressure loosen radius is 1. 2 ~ 2. 0 tunnel diameters and the strongly loosen radius drops to 0. 5 ~ 1. 0 one for double lane tunnel
對于單拱破碎圍巖隧道的構築問題,作者設置了8個隧道模型,研究開挖對不同隧道圍巖壓力分佈的影響,揭示了洞周徑向壓力的鬆弛范圍與洞徑、圍巖特性、裸露時間的關系,得到雙車道隧道壓力鬆弛半徑為1 . 2 2 . 0倍洞徑,強烈鬆弛區半徑為0 . 5 1 . 0倍洞徑。It was first developed in the 1960s and has since been expanded to become the largest scenic area in guangzhou. other attractions can be seen by taking the cable car up to mingchun valley, hiring a car or walking
由六十年代開始建設,至今已擴展為廣州最具規模的風景區,新舊勝景分佈各處,從山麓南部雲臺花園側的白雲索道,可乘吊車至嗚春谷,亦可自雇汽車或漫布各處風景區。Following are the key topics of the this article : a ) a traffic flow research on a typical jammed road of beijing. based on the research, the conclusion drew out a traffic flow map and the vehicle types description on every traffic flow direction of current traffic state ( normal distribution and poisson distribution ), which generates the traffic model. b ) the frame structure of urtss model
對北京市區某典型擁堵路段交通流進行調查,對調查結果的不同方面進行研究分析,對調查數據採用數理統計方法進行分析,確認北京這樣的大城市部分擁堵路段的交通流分佈情況(正態分佈) ;同時還對各流向的車型構成比例進行了描述,為所開發的城市道路交通模擬系統提供了基於城市道路實際交通流的交通生成模型。The effects to which stations attract passenger flow, trip time, cost, real estate along line, urt feeder other traffic, structure and configuration of city were analyzed. based on the minimize trip time of passenger, the model of optimal average distance between urt ’ s stations and the model of station ’ s coverage and the model of station ’ s cost and benefit were proposed
分析車站分佈對吸引客流、乘客出行時間、工程造價、運營及沿線土地開發、城市軌道交通與其它交通方式的銜接、城市空間結構和城鎮體系布局的影響;建立了基於乘客出行時間最短的最優平均站距模型、車站選取的覆蓋量模型與費用效益模型。In order to model the portland cement concrete ( pcc ) pavement performance, about 200 pavement sections with typical environment and maintenance level were selected from four districts of guangdong province, and then an investigation was made on their pavement structure pattern, distress, traffic volume and wheel path lane coefficient
摘要為了建立水泥混凝土路面典型的使用性能預測模型,在廣東省確定了在環境條件、養護水平等方面均有代表性的四個地區,從中選取有代表性的200條路段,對其結構組成、路面損壞、交通軸載及其車道分佈進行詳細調查。Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著,建立了和研究了二維二速的主幹道模型,該模型模擬了城市交通中一條主幹道,多條支道的交通情況,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中可以有對突發事件發生反應的剎車,在發生堵塞時,路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生,給出了車輛演化的演化方程,並通過計算機模擬,研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。最後,在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下,將此法推廣到對二維bml模型的模擬上,得到了與用以往方法的研究結果相類似的速度-密度圖線,且車輛從運動相到堵塞相轉變的上下臨界密度是一致的,同時分別給出車輛在處于暢通相和堵塞相時, boltzmann函數在格子上的分佈情況,進一步驗證了此法的可行性。Taking dongzhimen station on beijing metro line 13 as an example, authors of the paper adopt cfd three dimensional simulation and one dimensional network simulation respectively to make a predictive analysis on the smoke distribution and air flow during a fire in accordance with the smoke suppression and exhaust system installed in the public area of the station and in the transit tunnels, and point out that the reliability of the smoke suppression and exhaust system is most important to guarantee the capability of passenger evacuation during a fire
摘要以北京地鐵13號線東直門站為例,結合車站公共區與區間隧道的防排煙系統設置情況,分別採用cfd三維模擬與一維網路模擬的方法,對火災時煙氣的分佈及氣流流動善進行預測分析,說明防排煙系統的可靠性對于保證火災情況下的安全疏散能力至關重要。Road safety evaluation base on vehicle speed distribution
基於汽車速度分佈的道路安全評價分析Taking the city ' s roads system into consideration, this paper argues that the position of the lrt shall be determined according to the situation of the passenger flow, the station distribution, the scale and the type of the station, the situation of the transportation of the city, as to optimize the synthetic transportation system of the city
在設計過程中,首先要根據城市道路網規劃,深入研究、合理確定有軌電車的線路走向及其在道路斷面中的位置,結合沿線客流情況確定車站分佈、布置原則,選擇車站位置及結構形式。While we are exploring various options, including different tolling regimes, to achieve a better distribution of cross - harbour traffic among the three tunnels, significant improvement would only be brought about with the cwb in place such that there will be more flexibility for the motorists to select a tunnel which is most appropriate to their cross harbour trips
盡管我們現正研究多個方案包括不同的收費制度,以期令使用三條隧道過海的車輛數目更平均分佈,但必須在繞道建成后,才能帶來顯著的改善。這樣駕車人士便會有更大的彈性,選取一條最切合其過海路線的隧道。Under different wind speed conditions, the dispersion characteristics of vehicular pollutant within a single driveway street canyon of 3 : 1 ratio of high to width were studied, and the effect of the position and intension of pollutant line source on the distribution and the dispersion of vehicular pollutant within a double driveway street canyon of 3 : 2 ratio of high to width were discussed
對不同風速條件下高寬比為3 : 1的單車道街道峽谷內的機動車排氣污染物的擴散規律進行了研究;討論了在街道高寬比為3 : 2的雙車道街道峽谷內,污染源的位置及強度對街道內機動車排氣污染物分佈及擴散的影響。First, the difference between the stm and utm is compared and analyzed. the results show that it can accurately simulate the unsteady flow process of piston wind and the pollutant distribution in tunnel after train left the tunnel, can analyze and calculate the good effect of inertial action of piston wind if using utm
文中首先分析和比較了傳統隧道通風設計所採用的恆定流理論與非恆定流理論的差別,表明運用非恆定流理論不僅更能準確模擬隧道內活塞風的非恆定流動過程,而且能模擬列車通過隧道過程中隧道內污染物濃度的分佈,同時還能考慮利用隧道內氣流(活塞風)慣性作用促進隧道通風,節約通風能耗。Road vehicles. distribution of loads on the axles of trailers. method of calculation
道路車輛.掛車軸載荷分佈.計算方法Road vehicles. distribution of loads on the axles of semi - trailers. method of calculation
道路車輛.半掛車軸載荷分佈.計算方法Road vehicles. distribution of loads on the axles of commercial vehicles. method of calculation
道路車輛.運輸汽車的軸載荷分佈The effect of axial load series of train and the distribution of load by the rigidity of track of support is noticed
注意到了列車軸向載荷的影響以及由於支撐軌道的剛性引起的載荷分佈。However, the administration of distribution is very much difficult in actual and subjected to many elements effects, such as, being difficult to formulate the distribution plan, being difficult to the selection of distribution way, being difficult to deliver goods on time, the evaluating criterion not definite, driver work time not sure, easily fatigue, loss and damage of goods in the process of distribution ; meanwhile, distribution, still is subjected to many un - controlled elements effects in the process of operation, for example, the distribution areas of client communication networks in way the limitation of vehicle passing through service time requirement change of stream of cars and so on
然而現實當中物流配送管理非常困難,受到許多因素的影響,如難以制訂配送計劃、難以選擇配送路徑、難以按時交貨、配送績效評價基準不明確、司機工作時間不定、易疲勞以及貨物在配送過程中的遺失和損壞等;與此同時,物流配送在操作的過程中,還受到許多不可控因素的影響,如客戶的分佈區域、道路交通網路、車輛通行限制、送達時間要求、車流量變化等,為此必須加強物流配送系統的規劃和設計。分享友人