【摘要】：重慶市國省干線公路由于受到山區(qū)地形及建設(shè)資金不足的限制,部分路段存在路線等級(jí)偏低、交通安全設(shè)施設(shè)置不足等問題,隨著社會(huì)機(jī)動(dòng)化水平不斷提高,國省干線公路安保工程改造已迫在眉睫。然而,安保工程改造資金需求量大,在當(dāng)前經(jīng)濟(jì)發(fā)展水平下,安保設(shè)施的改造應(yīng)本著“先評(píng)后改、充分利用”的總原則,在改造中對(duì)原有安保設(shè)施進(jìn)行評(píng)估,充分進(jìn)行再利用。本文正是在此背景下,對(duì)重慶市國省干線公路安保設(shè)施設(shè)置典型問題及再利用技術(shù)開展研究。 首先,本研究對(duì)包括國道212線、210線、319線、省道204線等多條具有典型代表意義的國省干線公路開展安保設(shè)施實(shí)地調(diào)研,包括道路交通標(biāo)志、標(biāo)線、路側(cè)安全設(shè)施、減速安全設(shè)施、其他安保設(shè)施等；在此基礎(chǔ)上,詳細(xì)分析安保設(shè)施存在的典型問題。 在分析國省干線公路安保設(shè)施典型問題基礎(chǔ)上,通過查閱國內(nèi)外相關(guān)研究資料,提出國省干線公路安保工程改造的總體要求。論文分析了標(biāo)志牌再利用、波形護(hù)欄再利用、交叉口安全改造、行車視距協(xié)調(diào)等改造中常見的技術(shù)問題；提出了國省干線公路安保設(shè)施再利用評(píng)估與改造流程,包括既有交通標(biāo)志再利用評(píng)估與改造流程、波形護(hù)欄再利用評(píng)估、交叉口安全評(píng)價(jià)與改造流程。 在研究國內(nèi)外已有道路安保工程改造方法的基礎(chǔ)上,提出標(biāo)志牌改造的原則、再利用評(píng)估方法及改造工藝；提出波形護(hù)欄改造方案及立柱加高方案并分析了波形護(hù)欄改造的效益；提出按照沖突水平劃分的接入口分類標(biāo)準(zhǔn),從視距保證、路宅分離的角度提出接入口實(shí)用改造技術(shù)。 最后,選取國道212線重慶合川合隆至合陽段作為本研究應(yīng)用實(shí)例。在分析該路段安保設(shè)施存在問題的基礎(chǔ)上,提出現(xiàn)有交通標(biāo)志評(píng)估與改造方案、路側(cè)防護(hù)設(shè)施防護(hù)能力評(píng)估與改造方案、交叉口速度控制措施及工程改造措施、減速及視線誘導(dǎo)設(shè)施設(shè)置方案。
[Abstract]:Due to the limitation of mountainous terrain and insufficient construction funds, some road sections in Chongqing have some problems such as low grade of route and insufficient traffic safety facilities. With the development of the level of social motorization, National and provincial trunk road security engineering transformation has been imminent. However, there is a large demand for funds for security engineering renovation. Under the current level of economic development, the reform of security facilities should be based on the general principle of "first evaluating and then reforming, making full use of it", and the existing security facilities should be evaluated and fully reused during the transformation. Under this background, this paper studies the typical problems and reuse technology of the security facilities of Chongqing provincial trunk highway. First of all, this research carries out field investigation on security facilities of many representative national highway lines, such as 212, 210, 319 and 204 national highways, including road traffic signs, marking lines, roadside safety facilities, deceleration safety facilities, and so on, including road traffic signs, marking lines, road side safety facilities, and deceleration safety facilities, including road traffic signs, marking lines, road side safety facilities, and provincial highway 204 lines. Other security facilities and so on; on this basis, detailed analysis of the typical problems of security facilities. On the basis of analyzing the typical problems of the security facilities of the national and provincial trunk roads, the general requirements for the reconstruction of the national and provincial trunk road security engineering are put forward by consulting the relevant research materials at home and abroad. This paper analyzes the common technical problems in the reconstruction of signboard reuse, waveform guardrail reuse, intersection safety reconstruction, traffic visual distance coordination and so on, and puts forward the process of reusing and reconstructing the security facilities of national and provincial trunk roads. It includes the existing flow of reusing and reconstructing traffic signs, the evaluation of waveform guardrail, and the process of safety evaluation and reconstruction of intersections. On the basis of studying the existing methods of road security engineering transformation at home and abroad, the principle of mark plate reconstruction is put forward, and the evaluation method and the reconstruction technology are reused. The improvement scheme of corrugated guardrail and the elevation scheme of column are put forward, and the benefit of the reconstruction of corrugated guardrail is analyzed, and the classification standard of entrance according to the conflict level is put forward, and the practical retrofit technology of connecting entrance is put forward from the angle of the distance of sight and the separation of road and house. Finally, the section from Hechuan to Heyang in Chongqing on National Highway 212 is selected as an application example. Based on the analysis of the existing problems in the security facilities of the road section, the existing evaluation and reconstruction scheme of traffic signs, the evaluation and reconstruction scheme of the protective capability of the roadside protection facilities, the speed control measures at the intersection and the engineering renovation measures are put forward. Plan for setting up deceleration and line of sight guidance facilities.
【學(xué)位授予單位】：重慶交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U491.5

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本文編號(hào)：2283830