本文選題：開采沉陷 + 概率積分法��； 參考：《采礦與安全工程學(xué)報》2017年01期

【摘要】：為準(zhǔn)確掌握地下開采造成的地表點在任意方向上的移動變形狀態(tài)及主變形值大小,基于概率積分法基本原理分析了地表點在開采影響下的移動變形狀態(tài),建立了地表主變形及其方向的計算方法;采用"應(yīng)變花"思想,構(gòu)建了已知任意2個不同方向地表傾斜、水平移動計算地表任意方向的傾斜、水平移動及其主變形值和方向的計算模型以及已知任意3個不同方向的曲率、水平變形值計算該點在平面上任意方向的曲率、水平變形、扭曲、剪切及其主變形值和方向的公式。以2個計算案例說明了公式的使用方法及采用地表移動最大值進行建筑物影響等級判斷的重要性。"應(yīng)變花"算法可以計算地表點任意方向的平面變形狀態(tài),易于與現(xiàn)有開采沉陷預(yù)計程序結(jié)合,對準(zhǔn)確掌握開采地表移動變形情況、建(構(gòu))筑物損害評估及采空區(qū)上方抗變形建筑物設(shè)計具有指導(dǎo)意義。
[Abstract]:In order to accurately understand the movement deformation state and the main deformation value of the surface points in any direction caused by underground mining, the moving deformation state of the surface points under the influence of mining is analyzed based on the basic principle of probability integral method. In this paper, the method of calculating the principal deformation and its direction of the earth surface is established, and by using the idea of "strain flower", the slope of any two known different directions is constructed, and the inclination in any direction of the surface is calculated by horizontal movement. The calculation model of horizontal movement and its principal deformation value and direction as well as the curvature of any three different directions known. The horizontal deformation value calculates the curvature, horizontal deformation and distortion of the point in any direction on the plane. The formula of shear and its principal deformation value and direction. Two examples are given to illustrate the application of the formula and the importance of using the maximum value of surface movement to judge the influence grade of buildings. " The strain flower algorithm can calculate the plane deformation state of the surface point in any direction, and it is easy to combine with the existing mining subsidence prediction program to accurately grasp the ground surface movement and deformation. The damage assessment of construction and the design of deformable buildings above goaf are of guiding significance.
【作者單位】： 中國礦業(yè)大學(xué)(北京)地球科學(xué)與測繪工程學(xué)院;中國礦業(yè)大學(xué)環(huán)境與測繪學(xué)院;
【基金】：中央高�；究蒲袠I(yè)務(wù)費項目(2013QD01) 國家科技支撐計劃項目(2012BAC10B03) 湖南科技大學(xué)煤炭資源清潔利用與礦山環(huán)境保護湖南省重點實驗室開放基金項目(E21224)
【分類號】：TD325

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本文編號：2019876