本文選題：臨江岸坡 + 指標(biāo)體系�。� 參考：《合肥工業(yè)大學(xué)》2017年碩士論文

【摘要】：臨江岸坡是重要且廣為分布的工程項(xiàng)目,它的穩(wěn)定狀況事關(guān)人類生命財(cái)產(chǎn)安全,有時(shí)甚至關(guān)系到國(guó)家的經(jīng)濟(jì)和社會(huì)的發(fā)展。因此,及時(shí)獲取掌握臨江岸坡的安全狀態(tài)是十分緊迫和重要的。當(dāng)前,大多數(shù)邊坡工程建立邊坡安全監(jiān)測(cè)系統(tǒng)對(duì)邊坡的位移、滲壓、降雨等信息進(jìn)行監(jiān)測(cè),并利用這些監(jiān)測(cè)信息對(duì)邊坡安全進(jìn)行綜合評(píng)判。由于長(zhǎng)江河勢(shì)變化明顯,沿江地質(zhì)環(huán)境復(fù)雜,相互影響因素多,目前的技術(shù)水平還難以準(zhǔn)確獲取臨江岸坡運(yùn)行狀態(tài)的全部信息。如何結(jié)合臨江岸坡監(jiān)測(cè)項(xiàng)目建立其監(jiān)控指標(biāo)體系并逐步展開(kāi)臨江岸坡安全評(píng)判成為當(dāng)前急需探討的問(wèn)題。本文以臨江岸坡為研究對(duì)象,結(jié)合已有邊坡監(jiān)測(cè)經(jīng)驗(yàn),分析影響臨江岸坡安全的主要影響因素,構(gòu)建以突出且具代表性的位移、滲壓、水位和降雨為指標(biāo)的監(jiān)控指標(biāo)體系,通過(guò)模糊綜合評(píng)價(jià)原理對(duì)臨江岸坡安全評(píng)判方法進(jìn)行研究并構(gòu)建安全評(píng)判多層結(jié)構(gòu)體系;對(duì)體系中不同層次不同種類的評(píng)判指標(biāo)采用合理方式劃分評(píng)判等級(jí),依據(jù)各指標(biāo)等級(jí)劃分及其實(shí)測(cè)資料分布規(guī)律,確定各指標(biāo)隸屬函數(shù);利用主觀客觀相結(jié)合的方式對(duì)各指標(biāo)進(jìn)行賦權(quán),分析臨江岸坡綜合評(píng)判向量,確定臨江岸坡安全評(píng)判等級(jí),實(shí)現(xiàn)臨江岸坡安全評(píng)判全過(guò)程。本文采用相關(guān)系數(shù)法選取參與建模的影響因子,并建立回歸統(tǒng)計(jì)因果模型對(duì)臨江岸坡位移、滲壓進(jìn)行預(yù)測(cè),根據(jù)歷史監(jiān)測(cè)資料和預(yù)測(cè)信息,結(jié)合綜合評(píng)判方法對(duì)臨江岸坡后期狀態(tài)進(jìn)行預(yù)評(píng)判。以某段岸坡為實(shí)例,對(duì)該岸坡進(jìn)行安全評(píng)判及預(yù)評(píng)判,實(shí)例應(yīng)用表明,臨江岸坡模糊綜合評(píng)判模型及臨江岸坡預(yù)評(píng)判模型合理可行,對(duì)岸坡工程運(yùn)行管理具有一定的指導(dǎo)意義。
[Abstract]:The bank slope near the river is an important and widely distributed engineering project. Its stability is related to the safety of human life and property, and sometimes even to the economic and social development of the country. Therefore, it is very urgent and important to grasp the safety state of riverside bank in time. At present, most slope engineering establish slope safety monitoring system to monitor slope displacement, seepage pressure, rainfall and other information, and use these monitoring information to comprehensively judge slope safety. Due to the obvious variation of the Yangtze River regime, the complex geological environment along the Yangtze River, and many factors affecting each other, it is difficult to accurately obtain all the information about the running state of the bank slope along the Yangtze River at present. How to establish its monitoring index system combined with the riverside slope monitoring project and gradually launch the safety evaluation of the riverside slope has become a problem that needs to be discussed urgently at present. In this paper, taking the bank slope along the river as the research object, combined with the existing slope monitoring experience, the main influencing factors affecting the safety of the bank slope along the river are analyzed, and the monitoring index system with the prominent and representative indexes of displacement, seepage pressure, water level and rainfall is constructed. Based on the fuzzy comprehensive evaluation principle, this paper studies the safety evaluation method of the bank slope along the river and constructs the multi-layer structure system of safety evaluation, and classifies the evaluation grade of different levels and different kinds of evaluation indexes in the system in a reasonable way. According to the classification of each index grade and the distribution law of the measured data, the subordinate function of each index is determined, the index is empowered by the combination of subjective and objective methods, the comprehensive evaluation vector of the riverside slope is analyzed, and the safety evaluation grade of the riverside slope is determined. The whole process of safety evaluation of bank slope near the river is realized. In this paper, the correlation coefficient method is used to select the influencing factors involved in the modeling, and the regression statistical causality model is established to predict the displacement and seepage pressure of the bank slope along the river, according to the historical monitoring data and forecast information. Combined with the comprehensive evaluation method, the state of the bank slope along the river is evaluated in advance. Taking a certain section of bank slope as an example, the safety evaluation and pre-evaluation of the bank slope are carried out. The application of the example shows that the fuzzy comprehensive evaluation model and the pre-evaluation model of the bank slope near the river are reasonable and feasible, and have certain guiding significance for the operation and management of the bank slope project.
【學(xué)位授予單位】：合肥工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TV698.1;TV861

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本文編號(hào)：1939426