發(fā)布時(shí)間：2018-05-09 10:15

  本文選題：超限車(chē)輛 + 最優(yōu)路徑　； 參考：《湖南大學(xué)》2015年碩士論文

【摘要】：公路橋梁是道路的咽喉,如果遭到破壞坍塌,就會(huì)造成該橋梁所在的整條線路都不能允許車(chē)輛通行,嚴(yán)重限制了線路的通行能力。然而超限車(chē)輛通過(guò)橋梁時(shí),其荷載很大,通常都會(huì)對(duì)橋梁造成相當(dāng)大的損壞,因此在過(guò)橋前應(yīng)該驗(yàn)算超限車(chē)輛對(duì)橋梁產(chǎn)生的荷載效應(yīng)以及橋梁結(jié)構(gòu)的承載能力,并綜合經(jīng)濟(jì)性和風(fēng)險(xiǎn)性?xún)煞矫?依據(jù)驗(yàn)算結(jié)果在超限車(chē)輛運(yùn)輸前確定超限車(chē)的行駛路線。因此,建立一個(gè)安全、可靠、簡(jiǎn)單、實(shí)用的最優(yōu)路徑選取的方法,為超限車(chē)輛快速選取通行最優(yōu)路線意義重大。本文主要從以下三個(gè)方面做了相關(guān)的研究工作:(1)運(yùn)用可靠指標(biāo)法從承載能力極限狀態(tài)和正常使用極限狀態(tài)兩方面分別判別廣西區(qū)某區(qū)域路網(wǎng)中橋梁超限車(chē)輛的通過(guò)權(quán),即通過(guò)比較不同跨徑和設(shè)計(jì)荷載等級(jí)下各超限車(chē)輛的過(guò)橋可靠指標(biāo)與規(guī)定的橋梁構(gòu)件最低容許可靠指標(biāo)的大小,判別超限車(chē)輛的通過(guò)權(quán);(2)詳細(xì)介紹了兩種網(wǎng)絡(luò)連通可靠度的計(jì)算方法,即:串聯(lián)、并聯(lián)和混聯(lián)體系的失效概率估算法和基于事件樹(shù)的系統(tǒng)失效概率估算�；陲L(fēng)險(xiǎn)分析理論,提出了超限車(chē)輛最優(yōu)運(yùn)輸路徑的確定方法;(3)以廣西某區(qū)域?qū)嶋H路網(wǎng)為實(shí)例,分別建立了廣西區(qū)五軸、六軸超限車(chē)輛總重與超限車(chē)通行網(wǎng)絡(luò)連通可靠度的線性回歸模型;運(yùn)用風(fēng)險(xiǎn)理論,結(jié)合安全性與經(jīng)濟(jì)性對(duì)超限車(chē)可能通行各路徑總費(fèi)用進(jìn)行了計(jì)算,并確定超限車(chē)最優(yōu)路徑,大致得到了超限車(chē)從起點(diǎn)至終點(diǎn)各軸重段最優(yōu)路徑的判別準(zhǔn)則。
[Abstract]:The highway bridge is the throat of the road. If it is destroyed and collapses, the entire line in which the bridge is located will not be allowed to allow vehicles to pass through, which seriously limits the capacity of the line. However, when the vehicle passes through the bridge, the load is very heavy, which usually causes great damage to the bridge. Therefore, the load effect caused by the over-limit vehicle on the bridge and the bearing capacity of the bridge structure should be checked before crossing the bridge. According to the results of checking calculation, the route of the overrun vehicle is determined before the transportation of the overrun vehicle. Therefore, it is of great significance to establish a safe, reliable, simple and practical optimal route selection method for overrun vehicles. This paper mainly from the following three aspects of the relevant research work: 1) using the reliability index method from the bearing capacity limit state and the normal use of the limit state of two aspects, respectively, in a regional road network in Guangxi area bridge over the passage of vehicles right. That is, by comparing the bridge reliability index of each overrun vehicle and the minimum allowable reliability index of bridge member under different span and design load grade, In this paper, two methods to calculate the reliability of network connectivity are introduced in detail, that is, the method of estimating the failure probability of series, parallel and hybrid systems and the estimation of system failure probability based on event tree. Based on the theory of risk analysis, this paper puts forward the method of determining the optimal transportation route for vehicles in excess of the limit. Taking the actual road network in a certain area of Guangxi as an example, the five-axis of Guangxi region is established separately. The linear regression model of the connectivity reliability between the total vehicle weight of six axle overrun vehicle and the traffic network of the overrun vehicle is established, and the total cost of each possible passage path of the overrun vehicle is calculated by using the risk theory, combined with the safety and economy, and the optimal route of the overrun vehicle is determined. The criteria for determining the optimal path of each axle load section from the starting point to the end of the overrun vehicle are obtained.
【學(xué)位授予單位】：湖南大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：U447

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 王松根;李松輝;;公路橋梁限載標(biāo)準(zhǔn)的可靠性分析方法[J];工程力學(xué);2010年10期

2 白建軍;;超限運(yùn)輸?shù)奈：爸卫沓薜膶?duì)策[J];現(xiàn)代經(jīng)濟(jì)信息;2009年14期

3 劉勇;項(xiàng)莉;謝軍;嚴(yán)寶杰;;城市路網(wǎng)可靠性計(jì)算方法[J];交通運(yùn)輸工程學(xué)報(bào);2007年03期

4 劉海旭;蒲云;;基于關(guān)鍵路段的路網(wǎng)可靠性的改進(jìn)[J];西南交通大學(xué)學(xué)報(bào);2006年05期

5 梁穎;陳艷艷;任福田;;城市路網(wǎng)暢通可靠性分析[J];公路交通科技;2005年12期

6 韓傳峰;城市公交路網(wǎng)性能的綜合計(jì)算評(píng)估[J];哈爾濱工業(yè)大學(xué)學(xué)報(bào);2005年06期

7 陳艷艷,高愛(ài)霞,劉小明,榮建;道路交通運(yùn)行狀態(tài)可靠性評(píng)價(jià)方法綜述及展望[J];公路;2003年10期

8 陳艷艷,杜華兵,梁穎;城市路網(wǎng)暢通可靠度優(yōu)化遺傳算法[J];北京工業(yè)大學(xué)學(xué)報(bào);2003年03期

9 鮑衛(wèi)剛;大件運(yùn)輸車(chē)輛過(guò)橋能力檢算分析軟件編制[J];公路;2003年09期

10 孫立軍,楊陽(yáng),張小寧,杜豫川,馮健理,王曉龍,項(xiàng)富遠(yuǎn),朱寶羅;上海市城市橋梁管理系統(tǒng)研究[J];華東公路;2000年02期

相關(guān)碩士學(xué)位論文 前5條

1 陳飛;基于可靠性分析的橋梁超限車(chē)通過(guò)權(quán)判別研究[D];湖南大學(xué);2014年

2 何浚華;超限運(yùn)輸管理系統(tǒng)的開(kāi)發(fā)[D];湖南大學(xué);2012年

3 吳麗;基于概率的網(wǎng)絡(luò)層次橋梁最優(yōu)維護(hù)決策研究[D];湖南大學(xué);2010年

4 劉多貴;基于概率的路網(wǎng)級(jí)橋梁性能評(píng)定研究[D];湖南大學(xué);2009年

5 宗雪梅;重載道路橋梁安全性評(píng)定與管理研究[D];長(zhǎng)安大學(xué);2003年

，

本文編號(hào)：1865637