本文關(guān)鍵詞：公路邊坡表面變形監(jiān)測(cè)及工程應(yīng)用　出處：《重慶交通大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 激光測(cè)距 表面變形監(jiān)測(cè) 數(shù)據(jù)分析 工程應(yīng)用

【摘要】：隨著我國(guó)基礎(chǔ)建設(shè)的不斷完善,公路交通的不斷發(fā)展,高等級(jí)公路、新建公路及改建公路過(guò)程中難免產(chǎn)生大量的邊坡,但由于受自然地質(zhì)構(gòu)造和人工活動(dòng)的影響,邊坡失穩(wěn)破壞日趨增加。如何對(duì)邊坡進(jìn)行監(jiān)測(cè)分析其穩(wěn)定性,最終對(duì)邊坡變形趨和失穩(wěn)破壞勢(shì)進(jìn)行預(yù)測(cè),從而降低或者避免邊坡失穩(wěn)破壞帶來(lái)的人員傷亡以及經(jīng)濟(jì)損失顯得非常重要。論文的主要研究?jī)?nèi)容:采用激光測(cè)距技術(shù)進(jìn)行了邊坡表面位移變形監(jiān)測(cè),基于位移監(jiān)測(cè)結(jié)果建立數(shù)學(xué)模型分析邊坡變形趨勢(shì),結(jié)合GTS軟件模擬邊坡位移動(dòng)態(tài)以綜合分析邊坡穩(wěn)定性。主要研究成果及工作如下:①對(duì)比分析基于激光測(cè)距監(jiān)測(cè)技術(shù)與其他變形監(jiān)測(cè)技術(shù)的優(yōu)缺點(diǎn),得到基于激光測(cè)距技術(shù)在公路邊坡表面變形監(jiān)測(cè)中更具優(yōu)勢(shì)。②歸納了公路邊坡的分類、變形破壞影響因素以及破壞機(jī)理,對(duì)公路邊坡變形破壞特征進(jìn)行了系統(tǒng)的總結(jié)。利用邊坡的基本信息結(jié)合日常檢查分析邊坡表面變形風(fēng)險(xiǎn)。③利用有限元軟件GTS模擬邊坡表面變形位移以及改進(jìn)的強(qiáng)度折減法計(jì)算出不同折減系數(shù)對(duì)應(yīng)模擬位移值,結(jié)合實(shí)際位移監(jiān)測(cè)值進(jìn)行對(duì)比分析。④根據(jù)變形監(jiān)測(cè)數(shù)據(jù)建模分析預(yù)測(cè)變形趨勢(shì)以及運(yùn)用數(shù)值模擬分析了邊坡安全系數(shù)并結(jié)合邊坡工程的實(shí)際情況綜合分析了邊坡?tīng)顟B(tài)。研究結(jié)果表明,將邊坡表面變形位移與有限元數(shù)值模擬分析方法相結(jié)合,可以根據(jù)位移值分析邊坡動(dòng)態(tài),并結(jié)合數(shù)學(xué)模型分析變形趨勢(shì)能很好的應(yīng)用在邊坡的穩(wěn)定性分析中。
[Abstract]:With the continuous improvement of our country's infrastructure and the continuous development of highway traffic, a large number of slopes are inevitably produced in the process of high-grade highway, new highway and highway reconstruction. However, due to the influence of natural geological structure and artificial activities, slope instability is increasing day by day. How to monitor and analyze the slope stability, and finally predict the slope deformation trend and instability failure potential. Therefore, it is very important to reduce or avoid the casualties and economic losses caused by slope failure. The main research content of this paper is: laser ranging technology is used to monitor the displacement and deformation of slope surface. Based on the results of displacement monitoring, a mathematical model is established to analyze the trend of slope deformation. Combined with GTS software to simulate slope displacement dynamics to comprehensively analyze slope stability. The main research results and work are as follows: 1. The advantages and disadvantages of laser ranging monitoring technology and other deformation monitoring technology are compared and analyzed. Based on laser ranging technology in monitoring the surface deformation of highway slope, the classification of highway slope, the influence factors of deformation and failure and the failure mechanism are summarized. 2. The characteristics of deformation and failure of highway slope are systematically summarized. The risk of slope surface deformation is analyzed by using the basic information of slope combined with daily inspection. 3. 3. The finite element software GTS is used to simulate the surface deformation displacement of slope and its modification. The forward strength reduction method calculates different reduction coefficients corresponding to the simulated displacement values. Based on the data of deformation monitoring, the deformation trend is analyzed and the slope safety factor is analyzed by numerical simulation, and the edge is analyzed synthetically according to the actual situation of slope engineering. Slope state. The results show that. By combining the surface deformation of slope with the finite element numerical simulation method, the slope dynamics can be analyzed according to the displacement value, and the deformation trend can be well applied to the stability analysis of the slope combined with the mathematical model.
【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】：2015
【分類號(hào)】：U416.14

【參考文獻(xiàn)】

相關(guān)期刊論文 前5條

1 蘭孝奇;楊永平;黃慶;嚴(yán)紅萍;;建筑物沉降的時(shí)間序列分析與預(yù)報(bào)[J];河海大學(xué)學(xué)報(bào)(自然科學(xué)版);2006年04期

2 任克峰;候立平;連云飛;石虹惠;;邊坡破壞影響因素及其防治措施[J];科學(xué)技術(shù)與工程;2008年06期

3 葉英;穆千祥;張成平;;隧道施工多元信息預(yù)警與安全管理系統(tǒng)研究[J];巖石力學(xué)與工程學(xué)報(bào);2009年05期

4 許強(qiáng);曾裕平;錢江澎;王承俊;何成江;;一種改進(jìn)的切線角及對(duì)應(yīng)的滑坡預(yù)警判據(jù)[J];地質(zhì)通報(bào);2009年04期

5 鈄春紅;何萬(wàn)平;;大壩表面變形監(jiān)測(cè)的技術(shù)方案研究[J];中國(guó)水運(yùn)(下半月刊);2011年02期

相關(guān)碩士學(xué)位論文 前1條

1 許斌;小灣電站高邊坡GPS形變監(jiān)測(cè)系統(tǒng)研究[D];河海大學(xué);2005年

，

本文編號(hào)：1436281