采动岩体裂隙网络注浆扩散时空演化及堵水机制研究

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河(略)然(略)金

项目主持人

杨(略)

项目受资助机构

许(略)

项目编号

2(略)0(略)0(略)

立项年度

2(略)

立项时间

未(略)

研究期限

未(略) (略)

项目级别

省(略)

受资助金额

未(略)

学科

地(略)

学科代码

未(略)

基金类别

青(略)基(略)

关键词

采(略) (略)隙(略);(略) (略)空(略);(略)注(略) (略)i(略)i(略)c(略)r(略) (略)c(略)e(略)f(略)t(略) (略)w(略) (略)r(略)a(略) (略)t(略)-(略)p(略)l(略)a(略)i(略) (略)u(略)g(略)t(略)h(略)l(略)n(略)a(略)

参与者

未(略)

参与机构

未(略)

项目标书摘要:地下(略)国地下空间开发利用(略)视化采动覆岩裂隙网(略)建采动覆岩裂隙网络(略)程,对采动裂隙网络(略)得到以下结论。建立(略)方体可视化分析模型(略)的分形维数进行了计(略)隙的时空演化特征进(略)着时间的推移采动岩(略)上具有递增趋势,采(略)加的过程。对采动过(略)行了计算分析,利用(略)的方法对裂隙场中的(略)。获得了近距离煤层(略)中重复采动岩体裂隙(略)化特征。重复采动岩(略)化的特点。上行开采(略)推进方向上随着煤层(略)发生波动。下行开采(略)面的推进呈周期性变(略)逐渐增加,系统趋向(略)于混乱,导水裂隙带(略)据分析模型,对实际(略)过程中动水流量、注(略)的变化特征进行了研(略)可视化分析模型。并(略)注浆工程为例,基于(略)量的时空变化特征,(略)注浆突水危险性进行(略)

Applicati(略): Water i(略)ters in u(略)engineeri(略)ome the m(略)to the de(略)nd utiliz(略)derground(略)hina.Base(略)sualizati(略)volution (略)nduced ov(略)k fractur(略)xperiment(略)y constru(略)tural mod(略)g induced(略)rock frac(略)k.Combine(略)ting engi(略)patiotemp(略)is of dyn(略)injection(略)n mining (略)cture net(略)ducted,an(略)wing conc(略) obtained(略)mporal cu(略)ation ana(略) for mini(略)rock frac(略)stablishe(略)ractal di(略)rock frac(略)g mining (略)ted.Final(略)iotempora(略) characte(略)fractures(略)lized and(略)ased on G(略)goes by,t(略)dimension(略)re entrop(略)ning rock(略)an overal(略)g trend,a(略)ture syst(略)ining roc(略) process (略)ng entrop(略)otemporal(略)s of frac(略)g mining (略)ated and (略)d the dev(略)atus of f(略) the frac(略)was ident(略) a combin(略)acture fi(略) and frac(略)on.Obtain(略)tal dimen(略)acture en(略)tion char(略) of repea(略)rock frac(略)g the upw(略)nward min(略)es of clo(略)al seams.(略) of rock (略)n repeate(略)s the cha(略) of perio(略).During t(略)ining pro(略)acture en(略) periodic(略) the adva(略)tion of t(略)face with(略)eam minin(略)not fluct(略) the down(略) process,(略) of fract(略) periodic(略)he advanc(略)e working(略)ally incr(略) the adva(略)the worki(略) system t(略)complex,t(略)n of frac(略) to be ch(略)he rock m(略)water con(略)cture zon(略).Based on(略)mporal da(略) model,th(略) characte(略)parameter(略)g the wat(略) effect,s(略)mic water(略)and grout(略)during th(略)process o(略)acture ne(略)actical e(略)were stud(略)patiotemp(略)ization a(略)el for sl(略)ion was e(略)Taking th(略)oal Mine (略)tured roc(略)ting proj(略)xample,ba(略)spatiotem(略)tion char(略) of the d(略)r flow ra(略)ting amou(略)ractured (略)he risk o(略)ush throu(略)water gro(略)e mining (略)racture n(略)evaluated(略)

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