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礦井水害應(yīng)急預(yù)案(已修改)

2025-04-29 07:21 本頁面
 

【正文】 目 錄 一、礦井水害應(yīng)急預(yù)案..........................................................................1㈠、水害類型和危害程度分析..................................................................礦井水文地質(zhì)類型及充水因素...............................1..................................................................4............................................................................5...........................................5...........................................................................6..................................................7..................................................................................7㈡、應(yīng)急處置基本原則............................................................................7..................................................................................7..................................................................................7..................................................................................6..................................................................................8..................................................................8............................................................................8㈢、組織機(jī)構(gòu)及職責(zé)...............................................................................8.........................................................................................8........................................................................................11㈣、預(yù)防與預(yù)警....................................................................................14....................................................................................14.......................................................................................19㈤、信息報(bào)告程序.................................................................................20.................................................................20.................................................................................聯(lián)絡(luò)方式..........................................報(bào)警形式和內(nèi)容....................................................21.............................................................................21㈥、應(yīng)急處置.....................................................................................21.............................................................................21.......................................................................................21㈦、應(yīng)急物資與裝備保障.......................................................................25二、現(xiàn)場(chǎng)處置方案.................................................................................26㈠、現(xiàn)場(chǎng)應(yīng)急處置..................................................................................26㈡、應(yīng)急措施......................................................................................26㈢、技術(shù)支持........................................................................................27㈣、應(yīng)急搶險(xiǎn)........................................................................................27㈤、應(yīng)急控制........................................................................................27㈥、現(xiàn)場(chǎng)維護(hù)與穩(wěn)定..............................................................................27㈦、人群疏散與安置..............................................................................28㈧、妥善安撫與善后.............................................................................28㈨、信息發(fā)布與宣傳報(bào)道.......................................................................28㈩、現(xiàn)場(chǎng)恢復(fù)與應(yīng)急結(jié)束.......................................................................2839 / 42一、礦井水害應(yīng)急預(yù)案㈠、水害類型和危害程度分析 、礦井水文地質(zhì)類型及充水因素 礦區(qū)內(nèi)出露的地層由老到新有中二疊統(tǒng)茅口組(P2m)、上統(tǒng)龍?zhí)督M(P3l)、長(zhǎng)興+大隆組(P3c+d)、下三疊統(tǒng)夜郎組(T1y)和茅草鋪組(T1m)及第四系(Q)。地層的巖性特征及含(隔)水層性能分述于下: 、二疊系中統(tǒng)茅口組(P2m)—強(qiáng)含水層。礦區(qū)內(nèi)未有出露,根據(jù)區(qū)域水文地質(zhì)資料該組厚度約340m~870 m。地貌上多為溶丘—洼地,發(fā)育寬大溶隙、落水洞和溶洞,尤其落水洞較多,深淺不一,深者可達(dá)百余米,形狀為豎井狀、錐狀、管狀及不規(guī)則狀。該組基巖裸露區(qū)面積大,吸收大氣降水能力強(qiáng),為該層地下水的強(qiáng)補(bǔ)給區(qū),地下水豎向徑流強(qiáng)烈,徑流深度大,礦區(qū)內(nèi)地表泉點(diǎn)少見,地下水在河谷地帶排泄。據(jù)區(qū)域水文地質(zhì)資料,該組地下水一般為PH值中性、低礦化度的HCO3——Ca型水。區(qū)域看, 在老鬼山背斜的樓下河,~, 標(biāo)高約為1125m,℃,一般為21~38℃,水質(zhì)為HCO3-Ca型, 有時(shí)為SO4HCO3-Ca型,~ g/L。該組富水性為強(qiáng)至極強(qiáng),含水不均勻。、峨嵋山玄武巖組 (P3β)—弱含水層礦區(qū)內(nèi)未有出露,根據(jù)區(qū)域水文地質(zhì)資料該組厚度約70m237m。巖性主要為灰綠色玄武巖、拉斑玄武巖、火山角礫巖。該組出露地段地形較陡接受降雨補(bǔ)給條件差。根據(jù)泥堡勘探區(qū)內(nèi)揭穿該段的鉆孔資料顯示,區(qū)內(nèi)該組地層的鉆孔未發(fā)現(xiàn)有涌漏水現(xiàn)象。該組含水性弱。、二疊系上統(tǒng)龍?zhí)督M(P3l)—弱含水層。該組地層呈條帶狀出露于礦區(qū)及外圍,巖性以細(xì)砂巖、粉砂巖、泥質(zhì)粉砂巖、粉砂質(zhì)泥巖、泥巖等碎屑巖為主,夾數(shù)層煤及灰?guī)r,地層平均厚度223m。該組地層由于以碎屑巖為主,巖石含泥質(zhì)成分多,因而巖石普遍抗風(fēng)化能力弱,露頭區(qū)有較厚的強(qiáng)—中風(fēng)化帶,易滲入大量大氣降水,含淺層風(fēng)化裂隙潛水,越往深部,巖石裂隙發(fā)育程度減弱,巖石含水性相應(yīng)降低,僅含微弱基巖風(fēng)化裂隙水和構(gòu)造裂隙水,該組為一弱含水層。水質(zhì)為SO4-CaMg 型有時(shí)為HCO3SO4-Ca型,~ g/l,, 具腐蝕性。、二疊系上統(tǒng)長(zhǎng)興組(P3c)—中等含水層該組呈條帶狀出露于礦區(qū),巖性以燧石灰?guī)r、泥質(zhì)粉砂巖為主,厚度105~148m,平均116m。露頭區(qū)灰?guī)r遭受風(fēng)化作用和巖溶作用較強(qiáng)烈,巖溶裂隙發(fā)育,含較豐富的巖溶裂隙水,為區(qū)內(nèi)中等含水層。水質(zhì)為HCO3-Ca型, ~ g/l。、三疊系下統(tǒng)飛仙關(guān)組第一、二段(T1f1+2)—弱含水層(隔水層)由灰綠色、灰黃色薄層狀粉砂巖、泥質(zhì)粉砂巖及粉砂質(zhì)泥巖組成。厚度169~221 m,平均為198m。根據(jù)
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