【摘要】：為了解決直孔掏槽一次成井中掏槽方式選擇的難題,通過引入逼近理想解技術(shù)(TOPSIS),并將垂面距離代替歐氏距離的正交投影法和傳統(tǒng)TOPSIS相結(jié)合,提出一種基于改進(jìn)TOPSIS法的綜合評價(jià)模型。從安全、技術(shù)、經(jīng)濟(jì)3個(gè)方面綜合考慮選取了7個(gè)評價(jià)指標(biāo),利用變異系數(shù)法(CV)確定指標(biāo)權(quán)重,避免主觀權(quán)重賦值法的人為因素干擾,使得權(quán)重賦值更加客觀化。將該評價(jià)模型應(yīng)用于某礦山一次成井治理采空區(qū)試驗(yàn)中,對初步設(shè)計(jì)的4種掏槽方式進(jìn)行綜合評價(jià),并將最佳的掏槽方式用于工業(yè)試驗(yàn)。研究結(jié)果表明:計(jì)算出每個(gè)方案到正理想解的垂面距離分別為0.125 94,0.089 89,0.060 40,0.041 53,從而確定第4種方案為最優(yōu)方案。與傳統(tǒng)的TOPSIS法評價(jià)結(jié)果相比,改進(jìn)的TOPSIS法評價(jià)結(jié)果的優(yōu)劣程度更加明顯,更加容易甄選出最佳方案。由最佳方案形成的天井上下貫通,達(dá)到設(shè)計(jì)規(guī)格,效果較好。
[Abstract]:In order to solve the problem of how to choose the cutting mode in a straight hole cutting, the orthogonal projection method which replaces the Euclidean distance by the vertical plane distance is combined with the traditional TOPSIS by introducing the technique of approximate ideal solution (TOPSIS),). A comprehensive evaluation model based on improved TOPSIS method is proposed. Seven evaluation indexes are selected from three aspects of safety, technology and economy, and the index weight is determined by using variation coefficient method (CV) to avoid the interference of human factors in subjective weight assignment method, which makes the weight assignment more objective. The evaluation model is applied to a single goaf treatment test in a mine. The four cutting methods designed in the preliminary design are evaluated synthetically and the best cutting method is applied to the industrial test. The results show that the vertical distance from each scheme to the positive ideal solution is 0.125 ~ (94) ~ 0.089 ~ (89) ~ 0.060 ~ 40 ~ (0.041) 53, respectively, and the fourth scheme is considered to be the best one. Compared with the traditional TOPSIS method, the evaluation results of the improved TOPSIS method are more obvious, and it is easier to select the best scheme. The top and bottom of the patio formed by the best scheme can reach the design specification and the effect is good.
【作者單位】： 中南大學(xué)資源與安全工程學(xué)院;
【基金】：國家自然科學(xué)基金資助項(xiàng)目(51374243) 中南大學(xué)博士研究生自主探索創(chuàng)新項(xiàng)目(2017zzts186)~~
【分類號】：TD236

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