本文選題：排土場(chǎng)滑坡　切入點(diǎn)：穩(wěn)定性分析　出處：《北京科技大學(xué)》2015年博士論文　論文類型：學(xué)位論文

【摘要】：隨著我國(guó)采礦業(yè)的迅速發(fā)展,排土場(chǎng)在數(shù)量上還是規(guī)模上都逐漸增加。近年來(lái),排土場(chǎng)滑坡事故呈多發(fā)態(tài)勢(shì),造成了嚴(yán)重的生命財(cái)產(chǎn)損失。排土場(chǎng)滑坡預(yù)警方法的研究對(duì)實(shí)現(xiàn)企業(yè)的可持續(xù)發(fā)展、社會(huì)的和諧穩(wěn)定等方面具有重要的理論意義和現(xiàn)實(shí)的深遠(yuǎn)影響。 本文通過(guò)對(duì)近40年來(lái)國(guó)內(nèi)外排土場(chǎng)的50個(gè)典型滑坡事故案例分析,得出排土場(chǎng)滑坡的主要影響因素;依據(jù)極限平衡原理,采用GeoStudio2007軟件對(duì)高村排土場(chǎng)邊坡穩(wěn)定性進(jìn)行建模計(jì)算,得出最小安全系數(shù)值1.346,說(shuō)明高村排土場(chǎng)的穩(wěn)定性較好。 考慮滑坡發(fā)展、發(fā)生的時(shí)間因素,從影響排土場(chǎng)滑坡的內(nèi)因和外因兩方面,提出了露天礦排土場(chǎng)滑坡短期預(yù)警指標(biāo)體系和中長(zhǎng)期預(yù)警指標(biāo)體系,劃分了五個(gè)預(yù)警等級(jí),并給出等級(jí)劃分標(biāo)準(zhǔn)及相應(yīng)的預(yù)警準(zhǔn)則。針對(duì)預(yù)警指標(biāo)的特點(diǎn),應(yīng)用未確知有理數(shù)的概念對(duì)短期預(yù)警指標(biāo)賦權(quán)重,采用基于粗糙集的專家打分法對(duì)中長(zhǎng)期頇警指標(biāo)賦權(quán)重。 根據(jù)短期預(yù)警指標(biāo)的預(yù)警準(zhǔn)則和權(quán)重值,建立了基于可拓理論的排土場(chǎng)滑坡短期預(yù)警模型,確定了排土場(chǎng)滑坡短期預(yù)警的經(jīng)典域、節(jié)域和待評(píng)價(jià)物元,給出了關(guān)聯(lián)函數(shù)的計(jì)算方法,由最大關(guān)聯(lián)度和級(jí)別變量特征值得出排土場(chǎng)滑坡的預(yù)警等級(jí)。工程實(shí)例應(yīng)用效果較好。 整理了100組排土場(chǎng)滑坡的案例庫(kù),給出了基于案例推理(CBR)的排土場(chǎng)滑坡中長(zhǎng)期預(yù)警方法,采用框架法表示滑坡案例,RBF神經(jīng)網(wǎng)絡(luò)和歐式距離相結(jié)合的算法來(lái)實(shí)現(xiàn)案例的檢索,由用戶和專家來(lái)完成案例的修正與調(diào)整,給出了案例學(xué)習(xí)和存儲(chǔ)的閾值。工程實(shí)例應(yīng)用效果較好。 最后,采用Visual Basic6.0程序語(yǔ)言和Access數(shù)據(jù)庫(kù)設(shè)計(jì)并開(kāi)發(fā)了C/S模式的露天礦排土場(chǎng)滑坡預(yù)警管理系統(tǒng),包括用戶管理、數(shù)據(jù)管理、案例管理、預(yù)警管理和應(yīng)急管理五大模塊；主要實(shí)現(xiàn)了排土場(chǎng)滑坡的短期和中長(zhǎng)期預(yù)警功能,軟件界面友好、操作簡(jiǎn)便,在高村排土場(chǎng)進(jìn)行試點(diǎn)應(yīng)用,為企業(yè)的安全生產(chǎn)提供信息化、智能化和科學(xué)化的管理平臺(tái)。
[Abstract]:With the rapid development of mining industry in our country, the number or scale of dump is increasing gradually. In recent years, landslide accidents in dump are more and more frequent. The research on the early warning method of dump landslide has important theoretical significance and profound practical influence on realizing the sustainable development of enterprises and social harmony and stability. Based on the analysis of 50 typical landslide accidents in recent 40 years at home and abroad, the main influencing factors of dump landslide are obtained, and the slope stability of Gaocun dump is modeled and calculated by using GeoStudio2007 software according to the principle of limit equilibrium. The minimum safety factor is 1.346, which indicates that the stability of Gaocun dump is good. Considering the development of landslide and the time factor of occurrence, from two aspects of internal cause and external cause, this paper puts forward the short-term early warning index system and medium and long term early warning index system of landslide in open pit dump, and divides five early warning grades. According to the characteristics of early warning index, the concept of unascertained rational number is applied to assign weight to short-term early warning index, and the expert scoring method based on rough set is used to assign weight to medium and long term warning index. According to the early warning criterion and weight value of short-term early warning index, a short-term early warning model of dump landslide based on extension theory is established, and the classical domain, segment domain and matter-element to be evaluated for short-term early warning of dump landslide are determined. The calculation method of correlation function is given, and the early warning grade of dump landslide is obtained from the eigenvalue of maximum correlation degree and grade variable. In this paper, the case base of 100 groups of landslide in dump is sorted out, and the method of mid-long term early warning of landslide in dump based on CBR (case based reasoning) is given. The algorithm of combining RBF neural network with European distance is used to realize the retrieval of the case, and the frame method is used to express the case of landslide and combine RBF neural network with Euclidean distance. The case correction and adjustment are completed by users and experts, and the threshold of case learning and storage is given. Finally, using Visual Basic6.0 program language and Access database, the paper designs and develops the landslide early warning management system of open pit dump based on C / S model, which includes five modules: user management, data management, case management, early warning management and emergency management. The short and long term early warning functions of dump landslide are mainly realized, the software interface is friendly, the operation is simple, the pilot application is carried out in Gaocun dump, and the information, intelligent and scientific management platform is provided for the safety production of enterprises.
【學(xué)位授予單位】：北京科技大學(xué)
【學(xué)位級(jí)別】：博士
【學(xué)位授予年份】：2015
【分類號(hào)】：TD76

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