本文選題：高速公路 + 菱型互通式立交　； 參考：《長安大學(xué)》2014年碩士論文

【摘要】：隨著我國高速公路的建設(shè)的密集度不斷加大，在經(jīng)濟(jì)比較發(fā)達(dá)的地區(qū)，高速公路用地比較緊張的問題就會(huì)越來越突出。在用地比較緊張的地區(qū)和左轉(zhuǎn)交通流量不太大的情況下，相比較于其他的幾種互通立交形式，菱型互通式立交的布置形式比較緊湊，不僅可以保障高速道路上直行車輛的運(yùn)行安全和效率，而且能夠減少土地資源的占用面積、降低立交工程的投資費(fèi)用，如果采用合理的交通組織和管理措施，通行能力也可以較高。 本文先對(duì)國內(nèi)外菱型互通式立交的研究文獻(xiàn)和報(bào)告進(jìn)行了總結(jié)和論述，分析比較了幾種常見的互通式立交的幾何特性、交通適應(yīng)性及其優(yōu)缺點(diǎn)，對(duì)菱型互通式立交進(jìn)行了分類并闡述了各種菱形立交的幾何特性、優(yōu)缺點(diǎn)、交通組織方式及其適應(yīng)的道路交通條件。通過分析菱型互通式立交各方向匝道車輛的運(yùn)行特性及其適宜的設(shè)計(jì)速度，研究匝道及匝道平面交叉范圍內(nèi)平面、縱斷面、橫斷面技術(shù)指標(biāo)并確定了視距的要求。對(duì)菱形互通式立交范圍內(nèi)的平面交叉類型及其平面交叉的交通流特性進(jìn)行分析，確定了匝道平面交叉的交叉角度、適宜的交通管理方式，并對(duì)匝道平面交叉范圍內(nèi)的合理渠化方式、道路的限速措施以及平面交叉范圍內(nèi)的視距要求等進(jìn)行了研究。 通過對(duì)菱型互通式立交在不同影響因素下的適應(yīng)性分析，結(jié)合已有的一些道路平面交叉的通行能力計(jì)算的理論方法和研究模型，，以車輛的跟馳行駛理論為依據(jù)，同時(shí)考慮混合車流對(duì)交通的影響，對(duì)駛出高速公路的左轉(zhuǎn)方向匝道的通行能力進(jìn)行計(jì)算分析；以間隙接受理論為依據(jù)，同時(shí)考慮混合車流對(duì)交通的影響，對(duì)駛?cè)敫咚俟纷筠D(zhuǎn)方向匝道的通行能力計(jì)算分析。最后得出了高速公路菱形互通立交左轉(zhuǎn)匝道在二級(jí)服務(wù)水平下所能適應(yīng)的最大交通量。希望在互通式立交初期階段的規(guī)劃和設(shè)計(jì)、工程建設(shè)以及后期管理運(yùn)營的過程中提供一些相關(guān)參考，這對(duì)于我國土地資源的保護(hù)、保障互通式立交范圍內(nèi)的安全和效率有著重要的作用。
[Abstract]:With the increasing intensity of expressway construction in China, the shortage of expressway land will become more and more serious in economically developed areas. In areas where land use is relatively tight and where the traffic flow to the left turn is not too large, compared with several other interchanges, the arrangement of the rhombohedral interchange is relatively compact. It can not only guarantee the running safety and efficiency of the direct vehicles on the high speed road, but also reduce the occupied area of land resources and the investment cost of the interchange project. If reasonable traffic organization and management measures are adopted, Capacity can also be higher. This paper first summarizes and discusses the research literature and reports of the rhombohedral interchange at home and abroad, and analyzes and compares the geometric characteristics, traffic adaptability, advantages and disadvantages of several common interchanges. This paper classifies the rhombohedral interchange and expounds the geometric characteristics, advantages and disadvantages, traffic organization mode and the suitable road traffic conditions of various rhombohedral interchanges. Based on the analysis of the running characteristics and the suitable design speed of the ramps in different directions of the rhombohedral interchange, the technical indexes of the plane, the longitudinal section and the cross section in the intersection range of the ramp and the ramp plane are studied and the requirements of the visual distance are determined. This paper analyzes the type of plane crossing and the traffic flow characteristics of plane crossing in the scope of rhombus interchange, and determines the intersection angle of ramp plane intersection and the suitable traffic management mode. The reasonable channelization mode within the ramp plane crossing range, the speed limit measures of the road and the requirements of the visual distance in the plane crossing range are also studied. By analyzing the adaptability of the rhombohedral interchange under different influence factors, combining with the existing theoretical methods and research models of the capacity calculation of the road plane intersection, and based on the car-following theory of the vehicle, the paper analyzes the adaptability of the rhombohedral interchange under different influence factors. At the same time, considering the influence of mixed vehicle flow on traffic, the capacity of the left turning ramp is calculated and analyzed, and the influence of mixed vehicle flow on traffic is considered according to the gap acceptance theory. Calculation and analysis of the capacity of the ramp in the left turning direction of the freeway. Finally, the maximum traffic volume of the left turn ramp of the rhombus interchange is obtained under the secondary service level. It is hoped that the planning and design of the interchange in the initial stage, the construction of the project and the later management and operation of the interchange will provide some relevant references for the protection of our country's land resources. It plays an important role in ensuring the safety and efficiency of interchange.
【學(xué)位授予單位】：長安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U412.352.1

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