本文關(guān)鍵詞： 高速公路 互通式立交 雙喇叭 連接線 交織區(qū) 收費(fèi)站　出處：《長(zhǎng)安大學(xué)》2014年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：隨著我國(guó)經(jīng)濟(jì)建設(shè)的快速發(fā)展和汽車(chē)保有量的大幅增加，交通擁擠及高速公路互通式立交規(guī)模問(wèn)題日益突出，成為人們廣泛關(guān)注的焦點(diǎn)。互通式立交是高速公路路網(wǎng)系統(tǒng)完善的重要組成部分，是相交道路通過(guò)空間分離實(shí)現(xiàn)車(chē)輛交通轉(zhuǎn)換的紐帶，而雙喇叭類(lèi)互通式立交是目前應(yīng)用較廣的互通式立交組合型式之一。雙喇叭類(lèi)互通式立交的適應(yīng)性和技術(shù)指標(biāo)是雙喇叭類(lèi)互通式立交設(shè)計(jì)合理規(guī)�？刂萍氨ＷC車(chē)輛運(yùn)行順暢的關(guān)鍵，也是雙喇叭類(lèi)互通式立交設(shè)計(jì)理論不斷發(fā)展和成熟的基礎(chǔ)。 本文對(duì)雙喇叭類(lèi)互通式立交進(jìn)行研究分類(lèi)，并對(duì)其交通條件、自然條件、社會(huì)條件、管理方式及經(jīng)濟(jì)性等影響因素進(jìn)行分析。同時(shí)通過(guò)對(duì)車(chē)輛的運(yùn)行特性、速度特性、交織區(qū)交通流特性、收費(fèi)站交通流特性等特性的分析，基于不同路段的特點(diǎn)運(yùn)用不同的交通量計(jì)算模型，，建立了雙喇叭類(lèi)互通式立交的通行能力計(jì)算模型。通過(guò)對(duì)目前服務(wù)水平等級(jí)劃分和評(píng)價(jià)方法的分析，基于交通流穩(wěn)定性分析，以車(chē)輛的運(yùn)行速度和交通密度作為立交各部分服務(wù)水平的劃分標(biāo)準(zhǔn)，提出了不同設(shè)計(jì)速度下的服務(wù)水平分級(jí)指標(biāo)及服務(wù)水平的選取方法。 另外，根據(jù)連接線是否設(shè)置收費(fèi)站，分別研究連接線技術(shù)指標(biāo)�；诶硐氚踩g隙模型計(jì)算出不同設(shè)計(jì)速度條件下交織區(qū)理想安全間隙值，根據(jù)最小換車(chē)道長(zhǎng)度模型得出不同設(shè)計(jì)速度不同車(chē)道數(shù)條件下連接線的長(zhǎng)度建議值。分析汽車(chē)行駛軌跡和舒適性計(jì)算出收費(fèi)廣場(chǎng)漸變率合理取值；以圓形軌跡換道模型為基礎(chǔ)計(jì)算不同速度條件下收費(fèi)廣場(chǎng)長(zhǎng)度取值；通過(guò)研究大型車(chē)輛在收費(fèi)廣場(chǎng)的安全停車(chē)距離，提出了不同情況下收費(fèi)廣場(chǎng)至匝道分流端的長(zhǎng)度與坡度的建議值。
[Abstract]:With the rapid development of China's economic construction and the great increase of automobile quantity, the traffic congestion and highway interchange scale problems have become increasingly prominent, has become the focus of attention. The interchange is an important part to improve the highway network system is the intersection of road traffic separation link to realize the conversion through space, and double horn such interchange is one of the most widely used interchange combinations. Double trumpet interchange and the adaptability of technical indicators is a double trumpet interchange design model control rules and reasonable key to ensure the smooth operation of the vehicle, and also is the foundation of development of double trumpet interchange design theory and mature.
This paper studied the classification of double trumpet interchange, and the traffic conditions, natural conditions, social conditions, influence factors and economic management. At the same time, through the analysis of vehicle operation characteristics, speed characteristics, weaving area traffic flow characteristics, analysis of the toll station traffic flow characteristics characteristics, different characteristics the use of different sections of the traffic volume based on the calculation model, established the calculation model of double trumpet interchange capacity. Through the analysis of the current level of service classification and evaluation method, traffic flow stability analysis based on the vehicle speed and traffic density as the division standard of interchange each part of the service level, put forward the method of choosing different design speed of the service level classification index and service level.
In addition, according to the connection line is set to the toll station, respectively connecting line technical indicators. Ideal security clearance values interweave ideal safe gap model to calculate the different design speeds based on suggestions according to the length of connecting line minimum length model of lane changing different design speed under the condition of different lane number value. Analysis of the vehicle trajectory and comfort the calculated charge square transition ratio is calculated on the basis of reasonable value; different speed conditions to the toll plaza length circular track lane changing model; through the study of large vehicles in the Toll Plaza parking safety distance is proposed, and the length of slope under different conditions to the toll plaza ramp on the end of the recommended value.

【學(xué)位授予單位】：長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：U412.352.1

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