本文選題：高速公路 + 換道模型　； 參考：《長(zhǎng)安大學(xué)》2014年碩士論文

【摘要】：中間帶作為高速公路的重要組成部分，其布置型式、寬度、為保證高速公路大修養(yǎng)護(hù)以及緊急狀況下救援搶險(xiǎn)車輛能夠駛?cè)氲綄?duì)向車道上而設(shè)置的開口等都會(huì)對(duì)高速公路的交通安全、通行能力造成影響。所以為了減少中間帶處的交通事故，提高高速公路維修時(shí)的運(yùn)行效率，有必要對(duì)中間帶型式及中分帶開口進(jìn)行研究。高速公路單側(cè)擴(kuò)建方案若保留原有的中分帶，則原有中分帶將成為分隔同向車流的同分帶。同分帶兩側(cè)車輛的運(yùn)行狀況與中分帶不同，同分帶的型式及互通立交及服務(wù)區(qū)前后同分帶開口對(duì)高速公路的交通安全至關(guān)重要。我國(guó)對(duì)同分帶布置型式及開口研究較少，所以有必要在基于安全及運(yùn)行效率的情況下，對(duì)同分帶型式及互通立交、服務(wù)區(qū)前后開口進(jìn)行研究。 論文在總結(jié)國(guó)內(nèi)外相關(guān)研究，分析我國(guó)高速公路中間帶事故特點(diǎn)的基礎(chǔ)上，通過中間帶寬度、護(hù)欄型式、路緣石型式及設(shè)置等方面對(duì)中間帶的型式進(jìn)行了研究，提出了采用分設(shè)型和組合型波形梁護(hù)欄以及整體式和分離式混凝土護(hù)欄時(shí)的中間帶合理寬度建議值；在分析影響同向帶交通安全因素的基礎(chǔ)上，通過同向帶兩側(cè)硬路肩寬度、同分帶寬度、護(hù)欄型式、路緣石的設(shè)置等方面對(duì)同向帶的型式進(jìn)行了研究，提出了用分設(shè)型和組合型波形梁護(hù)欄以及整體式和分離式混凝土護(hù)欄時(shí)的同向帶合理寬度建議值；通過分析高速公路大修采用半幅封閉半幅通車方案時(shí)施工段的長(zhǎng)度，提出了適用于高速公路大修的基本路段開口間距值；通過對(duì)高速公路中分帶開口分析，運(yùn)用車輛換道理論，分別建立了計(jì)算中分帶開口長(zhǎng)度的圓曲線換道模型和緩和曲線換道模型，提出了相應(yīng)模型下的中分帶開口長(zhǎng)度建議值；在分析同分帶開口位置影響因素的基礎(chǔ)上，對(duì)高速公路互通立交及服務(wù)區(qū)等設(shè)施前后對(duì)同分帶開口位置進(jìn)行了研究，提出了同分帶開口位置距互通立交、服務(wù)區(qū)前后的長(zhǎng)度值以及兩處同分帶開口位置的間距值；通過分析同分帶開口處車輛運(yùn)行特性，根據(jù)同分帶左側(cè)硬路肩的設(shè)置與否，運(yùn)用車輛換道理論和分岔、合流理論，建立了計(jì)算同分帶開口長(zhǎng)度的緩和曲線模型和漸變型模型，，提出了相應(yīng)模型下的同分帶開口長(zhǎng)度建議值。
[Abstract]:As an important part of freeway, the intermediate zone is arranged in type and width. In order to ensure the maintenance of highway overhaul and emergency rescue vehicles can drive into the lane and set openings will have an impact on the traffic safety and capacity of the highway. Therefore, in order to reduce traffic accidents and improve the efficiency of highway maintenance, it is necessary to study the type of intermediate belt and the opening of intermediate zone. If the original middle separation zone is retained in the one side extension scheme of expressway, the original middle separation zone will become the same separation zone of the same direction traffic flow. The running condition of the vehicles on both sides of the same belt is different from that of the middle zone. The type of the same belt and the opening of the interchange and the service area are of great importance to the traffic safety of the expressway. There is little research on the layout and opening of the same zone in our country, so it is necessary to study the type of the same zone and the interchanges and the front and rear openings of the service area based on the safety and operation efficiency. On the basis of summing up the relevant research at home and abroad and analyzing the characteristics of the accidents in the intermediate zone of our country, this paper studies the type of the intermediate belt through the width of the intermediate zone, the type of guardrail, the type and setting of the road edge stone, etc. In this paper, the reasonable width of the intermediate band is suggested when the concrete guardrail is divided and combined, and the width of the hard shoulder on both sides of the codirectional belt is analyzed on the basis of the analysis of the factors affecting the traffic safety of the same direction belt, and the width of the hard road shoulder on both sides of the same direction belt is analyzed. In the aspects of the width of the same zone, the type of guardrail and the setting of the road edge stone, the type of the same direction belt is studied, and the reasonable width of the same direction belt is suggested when the corrugated beam guardrail is divided and combined, and the reasonable width of the same direction belt is put forward when the concrete guardrail is integrated and separated. Based on the analysis of the length of the construction section when the expressway overhaul adopts the half-block closed half-block train scheme, the paper puts forward the value of the opening spacing of the basic section suitable for the expressway overhaul, and through the analysis of the opening in the middle of the freeway, applies the theory of changing the way of the vehicle. The circular curve change model and the transition curve change model are established to calculate the opening length of the middle splitter respectively, and the suggested values of the opening length of the middle split band under the corresponding model are put forward, and on the basis of the analysis of the factors affecting the opening position of the same split band, This paper studies the location of the opening of the same zone before and after the expressway interchange and service area, and puts forward the distance between the opening position of the same zone and the interchange, the length of the service area before and after the service area and the distance between the opening positions of the same zone and the same zone. Based on the analysis of the running characteristics of the vehicle at the opening of the same belt, according to the setting of the hard shoulder on the left side of the same belt, the model of the transition curve and the model of gradual variation for calculating the opening length of the same belt are established by using the theory of changing the lane and the bifurcation and the theory of confluence. The suggested opening length of the homogenous band under the corresponding model is proposed.
【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
【分類號(hào)】：U412.366;U417

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