內(nèi)蒙某礦立井施工組織設計

內(nèi)蒙某礦立井施工組織設計中天合創(chuàng)能源有限責任公司門克慶礦井一號回風立井井筒掘砌施工組織設計中煤第一建設有限公司第十工程處二0一0年七月二十八日目錄TOC\o"1-2"\h\z\u第一章工程概況 3一、礦井簡介 3二、回風立井井筒特征 4三、井筒工程地質(zhì)情況 5四、瓦斯 18第二章鑿井施工方案及機械化作業(yè)線配置 23一、施工方案的確定 23二、機械化作業(yè)線配置 23（一）機械化作業(yè)線配置方式及內(nèi)容 23（二）提升懸吊系統(tǒng)選型 26（三）輔助系統(tǒng)選型設置 42（四）配套安全設施設置 50第三章施工準備工作及施工總平面布置 52一、先期施工條件 52二、技術準備 52三、施工人員進場 52四、工程準備 52五、井筒施工準備 54第四章井筒施工工藝 55一、雙層井壁段施工 55二、單層井壁段施工 56三、凍結(jié)段信息化施工 66四、施工中遇到問題及對策 66五、解凍后井壁壁后空隙處理措施 78六、揭煤安全施工 78七、井筒凍結(jié)與掘砌配合措施 79八、井筒穿過不良地層施工措施 79九、井筒綜合防治水措施 80十、勞動組織及循環(huán)作業(yè)方式 81第五章進度計劃和工期保證措施 91一、進度計劃和工期安排 91二、工期保證措施 92第六章資源配置及主要技術經(jīng)濟指標 93第七章質(zhì)量目標、質(zhì)量保證體系及保證質(zhì)量的主要措施 97一、工程質(zhì)量目標 97二、建立健全質(zhì)量保證體系 97三、質(zhì)量標準及技術要求 97四、質(zhì)量控制點 98五、關鍵工序的控制措施 98六、保證質(zhì)量目標的主要措施 100七、質(zhì)量檢測監(jiān)測手段 102第八章安全技術措施 105一、安全目標 105二、安全管理、組織機構 105三、各項安全管理制度 105四、組織、技術措施 113第九章文明施工、環(huán)保、消防措施 131一、文明施工 131二、環(huán)境保護措施 131三、消防措施 132四、安全質(zhì)量標準化施工措施 132第十章計劃、統(tǒng)計和信息管理 134一、計劃、統(tǒng)計報表的編制與傳遞 134二、信息管理 134第十一章施工中需要補充專項安全技術措施 135前言一、編制原則：二、編制依據(jù)：第一章工程概況一、礦井簡介1、交通門克慶井田位于鄂爾多斯市烏審旗圖克鎮(zhèn)，井田位于東勝煤田呼吉爾特礦區(qū)，地處內(nèi)蒙古自治區(qū)鄂爾多斯市境內(nèi)，行政區(qū)劃隸屬烏審旗和伊金霍洛旗。井田南北走向長度約7.4km，東西傾斜寬約13.4km，井田面積約98.08km2，地質(zhì)資源量2727.85Mt。本區(qū)地表為風積沙，居民稀少且分散，各居民點之間多為沙石便道。井田的北側(cè)有306省道（府谷～深井）通過，東部邊界以外13km處有G210國道呈南北向通過，經(jīng)G210國道向南可到達陜西省榆林市，向北可到達鄂爾多斯市東勝區(qū)。東勝區(qū)是鄂爾多斯市政治、經(jīng)濟、文化、通信中心和重要的交通樞紐，交通網(wǎng)絡四通八達，北距包頭市108km，南至包（頭）～神（木）鐵路大柳塔車站78km，西達烏海市360km，東抵準格爾旗薛家灣鎮(zhèn)120km。根據(jù)最新的鐵路規(guī)劃方案，烏審地方鐵路從新包西鐵路上的新街站接軌，從門克慶井田北部邊緣東西向通過，并為門克慶礦井井設有接軌點，是本礦井煤炭外運的主要通路。該區(qū)公路、鐵路暢通，交通較為便利，為煤炭外運及其它物資的運輸創(chuàng)造了比較有利的交通條件。2、地形地貌本井田位于鄂爾多斯高原的東北部，區(qū)內(nèi)地形總體趨勢是東南部較高，西北部較低。最高點海拔標高為+1341.20m；最低點位于井田西部邊緣，海拔標高為+1304.50m3、河流水系區(qū)內(nèi)無常年地表徑流，雨水多通過風積沙滲入地下。井田的西北角有一小型泄洪溝，流向東北，該泄洪溝較淺，平時無水，只有在大雨或暴雨時才有水流過；井田以北約2.0km有一察汗淖堿湖。4、氣候地震區(qū)內(nèi)氣候特征屬于干旱的溫帶高原大陸性沙漠氣候，太陽輻射強烈，日照較豐富，干燥少雨，風大沙多，無霜期短。冬季漫長寒冷，夏季炎熱而短暫，春季回暖升溫快，秋季氣溫下降顯著。據(jù)鄂爾多斯市氣象局歷年資料：當?shù)刈罡邭鉁貫?36.6℃,最低氣溫為-30.1℃；年降水量為194.7～531.6mm，平均為396.0mm，且多集中于7、8、9三個月內(nèi)；年蒸發(fā)量為2297.4～2833mm，平均為2534.2mm，年蒸發(fā)量為年降水量的5～10倍。區(qū)內(nèi)最大風速為28.7m/s,一般風速2.3～5.2m/s，且以西北風為主。凍結(jié)期一般從10月份開始至次年5月份，最大凍土深度為1.74m，最大沙塵暴日為50d井田所在地烏審旗、伊金霍洛旗的地震烈度為6度，屬弱震區(qū)。5、建筑材料區(qū)內(nèi)建筑材料匱乏。礦區(qū)主要建筑材料多從外地運入。目前區(qū)內(nèi)已有幾處小型建材廠，多處小規(guī)模機磚廠，礦井初期建設所需的磚、瓦、沙、石等大宗建材可由當?shù)靥峁?，但當?shù)厣场⑹鄶?shù)質(zhì)量不高，使用時應嚴把質(zhì)量關。6、供電礦井工業(yè)場地內(nèi)新建臨時110kV變電站，出線電壓等級10KV，可滿足礦井施工用電負荷要求。二、回風立井井筒特征一號回風立井井筒井口設計標高+1305.8m，井筒凈直徑8.0m，井筒深度736.4m；采用全井凍結(jié)。井筒主要技術特征見下表：回風立井井筒主要技術特征表序號項目單位風井1井口中心座標mX=4311487.636Y=19364409.5662井口設計標高mZ=+1305.8003提升方位角90°00′00″4設計凈直徑m85設計凈斷面m50.36井底車場標高m+580.8（深度725）7凍結(jié)深度m7458井筒深度m736.49井壁厚度雙層段mm500/700單層段mm800或1000按井壁結(jié)構的不同將井筒由上而下分為井頸段15m（井深0～15m）、雙層井壁段225m（井深15～240m）、單層井壁段496.4m（井深240～260m、井深260～530m、530-736.4m）。風井井筒井壁結(jié)構見下表。風井井筒井壁結(jié)構表序號井筒深度m井壁結(jié)構砼強度等級內(nèi)壁mm外壁mm10—15預留風硐及安全出口段215—240鋼筋砼700鋼筋砼500C30-C503240—260鋼筋砼1200C504260—530鋼筋砼800C55-C655530—736.4鋼筋砼1000C65-C75三、井筒工程地質(zhì)情況1、井筒地層及工程地質(zhì)根據(jù)地質(zhì)勘察報告，井筒穿過的地層為：第四系(Q3+4)地層，包括第四系上更新統(tǒng)薩拉烏素組(Q3s)和第四系全新統(tǒng)風積砂(Q4eol)；白堊系下統(tǒng)(K1)地層，為志丹群(K1zh)；侏羅系中統(tǒng)(J2)地層，包括安定組(J2a)、直羅組(J2z)和延安組(J2y)。風井井筒檢查孔地質(zhì)柱狀見表1；風井井筒穿過地層埋深匯總表2；風井井筒檢查孔巖土物理、力學性能試驗成果見表3；志丹群巖石物理力學性質(zhì)統(tǒng)計見表4；安定組巖石物理力學性質(zhì)統(tǒng)計見表5；直羅組巖石物理力學性質(zhì)統(tǒng)計見表6；延安組巖石物理力學性質(zhì)統(tǒng)計見表7；門克慶井檢查孔冷凍樣抗壓強度測試結(jié)果匯總見表8。風井井筒檢查孔(3#孔)地質(zhì)柱狀表1序號巖性層厚(m)累厚(m)序號巖性層厚(m)累厚(m)序號巖性層厚(m)累厚(m)1中砂48.5048.5029細粒砂巖2.20477.0957粉砂巖4.15676.412粉砂7.5056.0030砂質(zhì)泥巖2.40479.4958煤0.90677.313粘土13.0069.0031細粒砂巖10.25489.7459砂質(zhì)泥巖1.10678.414細粒砂巖49.81118.8132中粒砂巖4.86494.6060粉砂巖7.00685.415中粒砂巖30.93149.7433粉砂巖6.70501.3061中粒砂巖23.21708.626細粒砂巖31.14180.8834中粒砂巖12.80514.1062粗粒砂巖3.70712.327中粒砂巖7.15188.0335細粒砂巖2.10516.2063煤7.18719.508細粒砂巖32.29220.3236中粒砂巖4.20520.4064粉砂巖1.01720.519粉砂巖14.44234.7637粉砂巖7.50527.9065細粒砂巖2.55723.0610細粒砂巖48.00282.7638細粒砂巖4.30532.2066煤0.50723.5611粉砂巖4.75287.5139粉砂巖4.87537.0767粉砂巖9.56733.1212細粒砂巖24.57312.0840細粒砂巖1.70538.7768砂質(zhì)泥巖8.55741.6713粉砂巖11.50323.5841粉砂巖4.65543.4269細粒砂巖3.58745.2514細粒砂巖4.70328.2842中粒砂巖1.30544.7270砂質(zhì)泥巖1.00746.2515粉砂巖11.49339.7743細粒砂巖3.99548.7171中粒砂巖6.29752.5416細粒砂巖13.62353.3944砂質(zhì)泥巖3.00551.7172粗粒砂巖3.00755.5417粉砂巖21.72375.1145中粒砂巖2.70554.4173粉砂巖4.00759.5418細粒砂巖1.40376.5146砂質(zhì)泥巖4.35558.7674煤3.56763.1019粉砂巖2.75379.2647粉砂巖13.20571.9675砂質(zhì)泥巖0.60763.7020細粒砂巖3.75383.0148中粒砂巖7.54579.5076細粒砂巖3.92767.6221粉砂巖14.45397.4649粉砂巖20.12599.6277粉砂巖6.50774.1222中粒砂巖4.30401.7650粗粒砂巖21.97621.5978細粒砂巖1.00775.1223細粒砂巖4.30410.8651粉砂巖6.01627.6079粉砂巖5.42780.5424粉砂巖20.56431.4252砂質(zhì)泥巖1.60629.2080細粒砂巖14.76795.3025細粒砂巖2.20433.6253粉砂巖14.80644.0081砂質(zhì)泥巖3.80799.1026粉砂巖2.55436.1754粗粒砂巖22.57666.5782粗粒砂巖5.07804.1727中粒砂巖31.62467.7955粉砂巖4.05670.6228粉砂巖7.10474.8956細粒砂巖1.64672.26井筒穿越地層埋深匯總表(單位：m)表2井筒名稱第四系(Q3+4)白堊系下統(tǒng)侏羅系中統(tǒng)志丹群(K1zh)安定組(J2a直羅組(J2z)延安組(J2y)風井(3#孔)0~69.0069.00~353.39353.39~520.40520.40~666.57666.57~804.17風井井筒檢查孔(3#孔)巖石物理、力學性能試驗成果表表3樣品編號巖石名稱采樣深度(m)天然容重g/cm3干容重g/cm3孔隙率%含水率%抗壓強度(MPa)變形指數(shù)天然抗剪抗拉強度(MPa)干燥飽和彈模(10GPa)泊松比內(nèi)聚力(MPa)內(nèi)摩擦角(度)6細粒砂巖81.00~83.802.472.4412.22.3215.8010.700.7450.240.8537.560.427細粒砂巖90.40~91.692.442.4013.72.9516.2011.200.7450.250.8637.650.458細粒砂巖103.00~104.212.562.549.91.966.503.800.4120.260.4236.420.239細粒砂巖113.00~113.982.462.4411.30.3812.407.400.5320.240.5036.250.2610細粒砂巖128.00~128.982.362.3213.40.8910.206.100.4920.250.5237.450.2811細粒砂巖140.00~151.152.342.3312.71.406.003.500.4120.260.4336.540.2312細粒砂巖161.50~162.992.502.4610.21.0819.2011.901.0210.231.0637.980.5813細粒砂巖179.60~180.632.502.4710.83.1814.909.200.7450.240.7237.56036.14中粒砂巖186.80~187.862.612.596.51.236.604.400.4570.260.4836.450.2415細粒砂巖192.00~193.002.572.548.32.216.904.700.4260.270.4636.580.2316細粒砂巖199.50~202.132.592.585.50.655.903.500.3120.270.4236.210.2317細粒砂巖207.50~208.562.412.3711.20.268.605.200.3290.260.4336.240.2418細粒砂巖215.50~217.302.642.618.72.5016.5010.200.7580.240.8537.420.4519粉砂巖223.70~224.842.382.3710.92.0414.609.300.7690.250.8037.120.4120粉砂巖229.70~231.012.382.3113.81.0416.5010.900.4120.240.4537.520.2421細粒砂巖240.00~240.992.602.558.61.598.005.000.4020.260.4236.980.2322細粒砂巖246.50~247.632.642.626.72.165.903.500.3950.260.4336.890.2323細粒砂巖260.00~260.892.452.4411.61.894.602.600.4020.270.4136.450.2324細粒砂巖268.00~268.902.572.567.61.806.103.600.3560.260.4336.750.2325細粒砂巖274.00~275.002.452.4210.41.005.603.200.4120.270.4636.240.2326細粒砂巖280.00~280.992.562.556.20.987.204.900.4120.300.4236.450.2427粉砂巖284.50~285.542.512.506.70.946303.900.3260.290.4636.240.2628細粒砂巖293.00~294.072.532.476.81.9614.909.400.6520.260.7136.890.3629細粒砂巖299.50~298.462.582.566.21.686.904.100.4920.260.5136.250.2630細粒砂巖304.50~305.512.592.555.61.847.604.600.5720.280.6036.410.3031細粒砂巖310.00~311.042.572.565.51.258.605.200.5120.240.5336.180.2832粉砂巖313.80~319.932.532.513.51.8014.909.700.7540.230.9037.250.4533粉砂巖321.50~322.502.612.584.11.168.505.400.4690.260.5236.450.2634細粒砂巖326.50~327.432.452.4311.31.4214.509.100.7590.270.8437.150.4235粉砂巖331.50~332.792.572.564.81.3412.808.200.7020.260.7237.450.3936粉砂巖338.50~339.632.522.5011.031.386203.700.4590.260.5236.520.2637細粒砂巖344.30~345.232.342.3212.451.424.502.400.4120.270.4936.450.2538細粒砂巖352.00~353.022.432.4212.321.968.905.400.4290.260.5336.290.2639粉砂巖355.30~356.862.412.3910.490.8536.8028.002.5140.192.6239.451.3240粉砂巖362.50~363.632.452.4212.320.8928.9020.802.3150.202.4238.651.2341粉砂巖367.90~371.272.412.359.620.6924.5017.402.1790.212.2638.451.1542細粒砂巖373.00~374.002.562.537.330.7426.4019.301.9580.202.0938.751.0643細粒砂巖375.30~375.942.502.4313.213.4630.2023.002.4580.192.6238.621.3644粉砂巖377.00~377.912.352.3413.970.9126.9020.702.3590.202.4938.251.2645細粒砂巖380.20~381.342.472.3714.753.1623.5016.202.2480.202.4138.121.2346粉砂巖384.30~385.342.462.4211.680.4330.6022.002.3150.202.4938.751.2646-1粉砂巖390.50~391.462.682.6210.271.9631.2022.203.4120.192.5238.651.2747粉砂巖396.00~397.062.422.3811.851.2721.8014.602.1230.222.2438.561.1248中砂巖398.50~399.472.472.4112.681.2134.1024.902.5480.182.6538.951.3049粉砂巖404.30~405.512.562.5114.633.7740.2029.303.1250.183.1239.581.5650細粒砂巖409.30~410.302.532.5211.891.7133.2023.602.3560.212.4538.641.2651粉砂巖411.30~412.322.622.587.861.2529.7020.802.4120.202.5238.121.2752粉砂巖417.00~418.052.592.587.191.0428.6020.002.5070.232.5638.651.2853粉砂巖423.30~424.432.742.685.962.4141.7032.503.1860.183.1239.891.5954粉砂巖429.50~430.412.592.558.602.0029.6021.302.5410.232.4538.451.2655細粒砂巖431.50~432.582.512.4710.511.2118.5013.001.8570.221.9838.460.9856粉砂巖433.70~435.012.472.4410.620.45214015.402.1350.212.2438.541.1257中粒砂巖436.30~437.212.482.4710.510.4519.9013.701.7580.201.8538.210.9858中粒砂巖440.50~441.432.502.478.520.4217.9012.401.5240.231.6537.560.8859中粒砂巖447.26~448.542.502.4710.510.7416.2010.501.6090.241.6538.650.8560中粒砂巖452.70~454.442.672.615.431.5614.708.501.1300.241.2537.240.6561中粒砂巖457.66~458.902.672.626.430.9112.507.401.0030.251.0336.540.5662中粒砂巖463.25~464.242.672.655.021.4712.807.801.0090.261.1036.120.5563粉砂巖466.50~467.292.672.643.651.9117.5010.501.2010.261.2136.450.6564粉砂巖467.90~470.202.652.625.761.3121.5015.301.9580.232.0138.121.0165粉砂巖472.40~474.042.592.586.20.7621.6015.302.1360.232.2138.541.1266細粒砂巖475.60~476.582.762.724.60.3426.9019.402.3740.212.4336.981.2367砂質(zhì)泥巖477.60~478.522.622.604.40.5228.6020.602.4710.202.5038.451.2568細粒砂巖482.60~484.202.372.3713.40.6214.9010.101.2950.241.3237.450.6569中粒砂巖488.30~489.122.362.3414.30.9713.909.200.9520.231.0136.210.5570粉砂巖492.50~494.172.612.589.22.2812.708.100.7420.250.8636.420.4571中粒砂巖503.45~504.292.592.5610.82.5118.6014.601.4130.241.6538.020.8872中粒砂巖508.70~509.732.552.519.02.7021.8015.502.0180.232.2038.451.1073細粒砂巖514.50~516.262.612.5810.42.7718.9013.001.5870.231.9838.650.9874中粒砂巖519.30~520.132.392.3612.61.2417.4011.801.6520.241.8537.690.8875粉砂巖526.40~527.502.592.5310.03.4326.9019.402.3010.202.4138.451.2176細粒砂巖528.20~529.132.562.5210.02.2024.3017.302.4010.192.4338.211.2377粉砂巖532.50~533.382.602.5611.12.3728.1021.402.3950.192.4538.451.2678細粒砂巖536.80~537.662.442.4013.01.7224.6018.202.3100.202.4038.351.2079粉砂巖541.80~542.632.622.599.43.0121.5015.302.2850.222.3938.951.2080中粒砂巖543.60~544.462.392.3513.00.7523.9017.402.3690.212.4538.651.2381細粒砂巖547.30~548.032.592.5610.22.6625.6019.202.4180.232.5038.451.2582中粒砂巖550.70~551.522.502.4810.80.8127.8021.102.4080.202.5138.621.2683砂質(zhì)泥巖557.70~558.642.602.5610.82.7629.6023.102.4960.192.6038.291.3084粉砂巖560.30~561.282.612.568.20.9328.1021.902.3510.192.4538.451.2685粉砂巖568.18~569.172.622.609.72.1229.4022.901.3250.181.4238.421.2486中粒砂巖576.60~577.602.592.598.52.1628.5021.702.3010.192.4139.421.2387粉砂巖581.40~582.292.632.618.42.3427.6016.302.5070.202.5038.141.2688粉砂巖588.60~589.452.652.646.00.2824.5016.702.4980.222.4938.751.2589粉砂巖597.90~598.932.492.478.90.7023.9017.402.3480.212.4338.651.2390粗粒砂巖604.20~605.262.512.4810.80.2518.6013.801.8570.231.9538.470.9891粗粒砂巖612.29~613.282.492.455.00.3717.6012.101.4210.241.6537.980.8892粗粒砂巖619.25~620.102.462.457.20.4218.5012.601.4820.231.6037.850.8893粉砂巖624.30~625.112.472.4411.90.3824.8018.102.1390.202.2438.651.1294砂質(zhì)泥巖627.70~628.772.572.558.90.3226.7019.502.1530.192.4538.451.2395粉砂巖630.75~631.262.512.508.81.3025.8017.802.3180.232.4338.651.2396粉砂巖637.50~638.342.622.587.51.1221.6015.602.4150.222.5038.421.2597粉砂巖642.00~643.022.652.627.10.0826.8019.602.3690.192.4638.541.2498粗粒砂巖649.50~650.652.622.614.00.3328.9020.502.3950.192.5238.651.2799粗粒砂巖654.00~654.932.392.388.12.7823.5016.202.5000.202.4238.541.23100粗粒砂巖658.20~659.302.542.5310.03.3921.5015.902.1030.212.1938.651.10101粗粒砂巖665.10~666.022.412.379.20.9518.4013.601.5920.231.6238.420.85102粉砂巖667.00~667.932.532.506.72.0820.4014.101.9850.222.0438.961.02103細粒砂巖670.80~671.692.432.409.81.0428.9019.702.3570.192.4938.451.26104粉砂巖672.50~674.792.592.557.31.9628.4020.402.4310.182.5238.241.27105煤675.00~676.001.411.337.03.5830.9023.202.3140.192.4538.451.27106砂質(zhì)泥巖676.80~677.502.462.446.90.9534.2026.002.4850.182.6038.651.35107粉砂巖677.50~678.842.542.507.12.0541.6032.903.2100.153.2040.211.65108中粒砂巖692.30~693.172.532.509.42.3233.1024.202.4160.192.5639.541.32109中粒砂巖398.80~699.842.472.467.91.0224.3017.502.3020.202.4138.121.21110中粒砂巖707.20~708.142.552.517.42.0726.4020.102.3790.192.4638.451.23111粗粒砂巖709.00~710.012.572.538.31.9623.5016.202.4080.222.4138.171.21112粉砂巖717.50~718.582.502.498.10.9521.9016.002.1980.212.2637.651.15113細粒砂巖721.10~722.322.412.409.10.2326.3018.702.2680.202.4638.951.23114粉砂巖724.70~725.882.562.537.32.2729.4021.502.4120.192.4539.121.27115粉砂巖729.80~730.922.442.429.40.7025.6018.202.3180.192.4638.411.26116砂質(zhì)泥巖733.20~734.152.432.4110.70.4828.9020.802.5070.182.5138.521.25117砂質(zhì)泥巖739.90~740.822.542.518.70.6128.9021.102.4580.192.4339.021.23118細粒砂巖742.00~743.102.602.585.81.5130.2020.802.4780.182.5238.751.27119砂質(zhì)泥巖745.60~746.012.522.514.60.5332.6023.502.6070172.6038.651.30120中粒砂巖748.60~749.492.612.595.80.9424.8016.902.5870.222.4938.471.24121粗粒砂巖752.60~753.472.462.448.60.4326.8017.202.4780.192.5138.651.25122粉砂巖755.60~756.702.592.576.50.9627.9019.002.5230.202.5638.251.27123砂質(zhì)泥巖762.50~763.632.602.586.20.7024.6017.002.4710.222.4638.451.24124細粒砂巖767.40~768.562.402.477.10.8527.6.19.302.4190.192.3837.951.20125粉砂巖770.00~771.032.512.507.41.1130.4021.902.3140.192.4338.651.24126細粒砂巖774.30~775.052.622.616.50.2028.6019.702.3080.192.4139.121.26127粉砂巖776.50~779.272.402.389.51.2926.9018.302.4750.202.4537.451.25128細粒砂巖780.60~781.652.552.535.91.1830.4022.202.4980.192.5338.251.28129細粒砂巖793.80~794.932.542.533.41.3828.4020.202.3840.202.4638.641.23130砂質(zhì)泥巖795.60~796.662.652.614.00.5026.5017.802.4190.212.4237.491.22131粗粒砂巖801.00~801.962.682.655.01.2126.5018.302.3020.202.4138.941.21.志丹群巖石物理力學性質(zhì)統(tǒng)計表表4巖類指標粉砂巖類細粒砂巖中粒砂巖最小-最大均值(樣數(shù))標準差最小-最大均值(樣數(shù))標準差最小-最大均值(樣數(shù))標準差天然容重(g/cm3)2.32-2.612.47(20)0.08712.12-2.752.46(71)0.13822.22-2.612.36(4)0.1752干容重(g/cm3)2.28-2.582.44(20)0.09302.05-2.662.42(71)0.14352.15-2.592.29(4)0.2022孔隙率2.0-17.79.85(20)4.57730.80-23.6011.41(71)5.84786.50-22.7017.40(4)7.3729比重2.46-2.812.68(20)0.07782.36-2.882.74(71)0.08522.74-2.802.77(4)0.0250含水率(%)0.26-10.31.77(20)2.10510.26-10.722.76(71)2.43531.23-6.824.10(4)2.3927抗壓強度（Mpa）干燥5.80-20.7012.28(20)3.88004.50-24.3010.02(71)4.32136.60-10.207.70(4)1.6852飽和3.10-12.807.56(20)2.49222.40-15.606.10(71)2.75374.10-6.204.73(4)0.9912軟化系數(shù)0.53-0.660.61(20)0.02860.53-0.690.60(71)0.02940.58-0.670.61(4)0.0434變形指數(shù)彈模×104Mpa0.29-0.850.53(20)0.17710.24-1.020.47(71)0.16530.25-0.460.35(4)0.0842泊松比0.23-0.290.26(20)0.01950.23-0.300.26(71)0.01810.24-0.290.26(4)0.0216天然抗剪C(Mpa)0.28-0.900.57(20)0.18790.24-1.060.49(71)0.18420.23-0.480.32(4)0.1156Φ(度)36.22-37.8937.07(20)8.302935.98-37.9836.81(71)0.486936.45-36.9836.78(4)0.2300抗拉強度(Mpa)0.12-0.480.29(20)0.10680.12-0.580.26(71)0.10460.12-0.240.16(4)0.0566安定組巖石物理力學性質(zhì)統(tǒng)計表表5巖類指標粉砂巖類細粒砂巖中粒砂巖最小-最大均值(樣數(shù))標準差最小-最大均值(樣數(shù))標準差最小-最大均值(樣數(shù))標準差天然容重(g/cm3)2.12-2.742.43(41)0.17322.15=2.762.48(17)0.12552.11-2.672.40(23)0.1662干容重(g/cm3)2.06-2.682.39(41)0.17672.10-2.722.44(17)0.12862.02-2.652.36(23)0.1824孔隙率3.65-22.9012.78(41)5.59764.60-23.1011.75(17)4.58805.02-27.3014.10(23)6.5336比重2.54-2.982.74(41)0.09472.63-2.862.77(17)0.07022.46-2.862.74(23)0.0804含水率(%)0.43-11.193.45(41)3.36070.34-10.172.52(17)2.90470.42-13.004.40(23)4.0605抗壓強度（Mpa）干燥10.70-43.8027.48(41)6.725313.30-40.2025.60(17)7.330912.50-35.221.90(23)7.7820飽和6.20-32.5019.08(41)5.56917.70-28.9017.65(17)5.64777.40-24.914.49(23)4.6686軟化系數(shù)0.58-0.780.69(41)0.05200.58-0.760.68(17)0.05230.58-0.730.65(23)0.0370變形指數(shù)彈?！?04Mpa0.77-3.412.11(41)0.57550.85-2.791.95(17)0.51010.95-2.551.75(23)0.4519泊松比0.18-23.000.77(41)3.55810.19-18.001.27(17)4.31190.18-0.260.22(23)1.010.0202天然抗剪C(Mpa)0.88-3.122.14(41)0.54800.89-2.802.03(17)0.52321.01-2.651.81(23)0.4497Φ(度)36.25-39.8938.07(41)0.903636.98-49.2538.65(17)2.780836.12-38.9637.69(23)0.8226抗拉強度(Mpa)0.41-1.591.08(41)0.28070.45-1.461.04(17)0.27120.55-1.300.93(23)0.2229直羅組巖石物理力學性質(zhì)統(tǒng)計表表6巖類指標粉砂巖類細粒砂巖中粒砂巖粗粒砂巖最小-最大均值(樣數(shù))標準差最小-最大均值(樣數(shù))標準差最小-最大均值(樣數(shù))標準差最小-最大均值(樣數(shù))標準差天然容重(g/cm3)2.12-2.742.43(41)0.17322.15=2.762.48(17)0.12552.11-2.672.40(23)0.16622.25-2.632.46(12)0.1131干容重(g/cm3)2.06-2.682.39(41)0.17672.10-2.722.44(17)0.12862.02-2.652.36(23)0.18242.21-2.602.42(12)0.1101孔隙率3.65-22.9012.78(41)5.59764.60-23.1011.75(17)4.58805.02-27.3014.10(23)6.53365.60-19.6010.75(12)4.5600比重2.54-2.982.74(41)0.09472.63-2.862.77(17)0.07022.46-2.862.74(23)0.08042.56-2.832.71(12)0.0931含水率(%)0.43-11.193.45(41)3.36070.34-10.172.52(17)2.90470.42-13.004.40(23)4.06050.46-10.302.87(12)3.2391抗壓強度（Mpa）干燥10.70-43.8027.48(41)6.725313.30-40.2025.60(17)7.330912.50-35.221.90(23)7.782020.30-32.2025.57(12)3.2834飽和6.20-32.5019.08(41)5.56917.70-28.9017.65(17)5.64777.40-24.914.49(23)4.668614.50-23.8018.06(12)2.5554軟化系數(shù)0.58-0.780.69(41)0.05200.58-0.760.68(17)0.05230.58-0.730.65(23)0.03700.68-0.760.71(12)0.0284變形指數(shù)彈模10GPa0.77-3.412.11(41)0.57550.85-2.791.95(17)0.51010.95-2.551.75(23)0.45191.69-2.402.06(12)0.2253泊松比0.18-23.000.77(41)3.55810.19-18.001.27(17)4.31190.18-0.260.22(23)1.010.02020.19-0.220.22(12)0.0144天然抗剪C(Mpa)0.88-3.122.14(41)0.54800.89-2.802.03(17)0.52321.01-2.651.81(23)0.44971.85-2.432.15(12)0.2012Φ(度)36.25-39.8938.07(41)0.903636.98-49.2538.65(17)2.780836.12-38.9637.69(23)0.822636.78-39.4237.90(12)0.8196抗拉強度(Mpa)0.41-1.591.08(41)0.28070.45-1.461.04(17)0.27120.55-1.300.93(23)0.22290.88-1.261.09(12)0.1146延安組巖石物理力學性質(zhì)統(tǒng)計表表7巖類指標粉砂巖類細粒砂巖中粒砂巖最小-最大均值(樣數(shù))標準差最小-最大均值(樣數(shù))標準差最小-最大均值(樣數(shù))標準差天然容重(g/cm3)2.25-2.742.50(43)0.11972.35-2.762.50(17)0.09962.36-2.672.51(13)0.1077干容重(g/cm3)2.21-2.682.47(43)0.12222.34-2.722.46(17)0.09972.32-2.652.47(13)0.1073孔隙率3.65-22.4010.36(43)4.48863.40-15.1010.77(17)3.37815.02-16.8010.65(13)3.5875比重2.57-2.972.76(43)0.08712.64-2.862.76(17)0.06602.68-2.852.76(13)0.0459含水率(%)0.43-9.432.18(43)2.29160.34-3.461.50(17)0.93670.38-3.471.34(13)0.9592抗壓強度(Mpa)干燥17.50-41.7031.05(43)6.071414.90-43.6028.96(17)7.301512.50-41.8022.65(13)0.9301飽和10.50-32.5022.51(43)5.139010.10-31.4020.68(17)5.81677.40-31.8015.49(13)7.4182軟化系數(shù)0.60-0.780.72(43)0.03580.60-0.780.70(17)0.03870.58-0.760.66(13)0.0511變形指數(shù)彈?！?04Mpa1.20-3.412.43(43)0.37001.30-2.762.25(17)0.33910.95-2.751.74(13)0.6089泊松比0.16-0.260.20(43)0.02030.17-0.240.21(17)0.01870.16-0.260.22(13)0.0290天然抗剪C(Mpa)1.21-3.122.47(43)0.32611.32-2.862.33(17)0.35181.01-2.821.82(13)0.6060Φ(度)36.45-39.8938.58(43)0.669436.98-39.4538.33(17)0.695336.12-40.1237.83(13)1.1413抗拉強度(Mpa)0.65-1.591.25(43)0.16110.65-1.461.18(17)0.19510.55-1.420.93(13)0.2918門克慶井檢查孔冷凍樣抗壓強度測試結(jié)果匯總表表8層位試樣編號取樣深度（m）干密度g/cm3含水量（%）試驗溫度℃抗壓強度MPa破壞

應變(%)3#鉆孔2-5-151.65～51.801.6123.53-109.3815.612-5-352.00～52.201.6222.73-108.7915.542-5-652.60～52.801.6522.32-109.8613.432、井筒水文地質(zhì)2.1、含隔水層水文地質(zhì)特征2.1.1第四系上更新統(tǒng)薩拉烏素組孔隙潛水含水層全區(qū)分布，巖性為灰黃色、灰綠色中粒砂及粉細砂，下部夾有黃土狀亞砂土薄層，含鈣質(zhì)結(jié)核，疏松。在井筒地段組厚55.00～70.30m，2、1號孔段較薄，3號孔處較厚。根據(jù)2、3號鉆孔抽水試驗資料，水位分別埋深0.85m、1.05m，含水層厚度48.15～47.45m，靜止水位標高1301.50～1302.19m。沙層潛水的水溫為9℃～10℃，屬冷水。從抽水結(jié)果看，沙層潛水富水性按統(tǒng)降統(tǒng)徑單位涌水量為中等～強。因2號孔處沙層含水層粒度以中粒級居多，夾粉沙、細沙、粗粒沙層，而3號孔處以中細沙為主，夾粉沙、粉土。所以2號孔水量比3號孔明顯較大。2.1.2白堊系下統(tǒng)志丹群風化基巖孔隙、裂隙承壓水含水層含水層為白堊系下統(tǒng)志丹群洛河組砂巖，全區(qū)分布，在井筒區(qū)厚度286.25～306.55m，平均293.87m。含水層巖性為磚紅色中、粗粒砂巖，次為細粒砂巖。巖層上部風化裂隙發(fā)育，下部孔隙發(fā)育較強，總體巖石疏松、易碎，是地下水運移儲存的有利巖層。根據(jù)本次2、3號鉆孔抽水試驗資料，水位埋深1.07～2.10m，靜止水位標高1300.94～1301.48m，水柱高度354.18～359.45m，含水層厚度286.25～306.55m，水位降深11.81～15.53m，涌水量5.618L/s，單位涌水量0.362～0.476L/s.m，滲透系數(shù)0.116～0.138m/d，富水中等。志丹群地下水溫度10.5℃。2.1.3侏羅系中統(tǒng)安定組碎屑巖類孔隙、裂隙承壓水含水層巖性為紫褐色中細粒砂巖夾灰綠色粉砂巖。根據(jù)1號鉆孔抽水試驗資料，含水層厚度83.85m，水位埋深28.10m，水位標高1278.27m，水柱高度472.25m。抽水試驗最大水位降深24.36m，涌水量0.912L/s，單位涌水量0.0374L/s.m(統(tǒng)降單位涌水量0.0105L/s.m)，滲透系數(shù)0.0404m/d，富水性弱。該含水層主要含水層段為侏羅系中統(tǒng)安定組地層（J2a）的砂巖，從水文地質(zhì)剖面可以看出，安定組巖性砂巖與較致密的粉砂巖、砂質(zhì)泥巖含量基本均等。2.1.4侏羅系中統(tǒng)直羅組及延安組孔隙、裂隙承壓水含水層直羅組厚度173.00～176.55m，延安組揭露厚度84.08～135.95m。含水層巖性主要為粗、中、細粒砂巖，直羅組含水層厚度85.00m左右，延安組75.00m左右，累計160.00m左右。垂向上與粉砂巖、泥巖及砂質(zhì)泥巖隔水層成互層狀分布。根據(jù)3號孔抽水，直羅、延安組水位埋深20.64m，水位標高1281.91m，水柱高度783.36m。最大降深39.10m，涌水量0.260L/S，單位涌水量0.00665L/S.m(統(tǒng)降統(tǒng)徑單位涌水量0.00457L/s.m)，滲透系數(shù)0.00332m/d，影響半徑22.50m。由于本巖組砂巖巖石致密較堅硬，裂隙發(fā)育微弱，故含水層富水性弱。該含水層為井田的直接充水含水層和主要充水含水層，對井筒而言為弱充水層。該含水層段含水巖層主要為煤層頂板的各粒級砂巖，縱向上與粉砂巖、砂質(zhì)泥巖及泥巖等隔水巖層成互層狀分布。煤層底板巖層以粉砂巖、泥巖為主，含水性能極差。2.2、井筒涌水量根據(jù)井筒所穿透的各含水層富水性，其主要充水層位為第四系松散砂層段、白堊系志丹群強風化巖段。砂層水水源豐富，補給條件有利，涌水強度大，井壁結(jié)構松散極不穩(wěn)定，是井筒第一強充水層。第二充水層志丹群強風化巖段，該層段雖然滲透系數(shù)小，但厚度大，水源充沛，巖石松軟易碎，充水容易攜帶巖屑，并脫落井壁，造成充水層出水量不斷增大。安定、直羅延安組裂隙承壓水水源補給條件差，透水性差，充水量及強度微弱。但其承壓水頭高，泥巖、砂質(zhì)泥巖易風化，在節(jié)理、裂隙發(fā)育處對井筒充水量會有所增大。從鉆孔抽水試驗資料可以看出，各井筒經(jīng)過的松散砂層段屬于中等～強富水，志丹群強風化巖段為中等富水，其它含水層為弱富水。井筒的主要充水途徑為松散砂層孔隙和巖層中發(fā)育的風化裂隙及構造節(jié)理裂隙和粗顆粒巖層的孔隙。以圍巖孔隙涌水和裂隙涌水為主要充水方式。各充水層以水平透水、匯水為特征，隨著井筒的垂直向下延伸，水位（水頭）壓力也不斷增大，井筒圍巖滲水面壓力也增大，引起軟巖段充水通道松弛，導水裂隙易張裂掉塊，發(fā)生充水相對集中狀況。井筒涌水量預算結(jié)果見表9。風井(3#孔)各含水層水位半降深條件涌水量預算成果表表9含水層參數(shù)第四系志丹群安定組直羅及延安組備注K（m/d）4.1940.1160.04040.00332H（m）47.45354.18472.25783.36h（m）23.725177.0900M（m）47.45286.2582.15160.02S（m）23.725177.09472.25783.36R（m）1338.751206.29949.21451.37r（m）3.753.753.753.75Q（m3/d）3789.335654.871626.93490.80合計11561.93Q（m3/h）157.89235.6267.7920.45合計481.76從表中可見，第四系與白堊系地層涌水量很大，侏羅系安定組也富水性較強。應當指出的是：風井井筒凈半徑以3.75m計算的，目前風井井筒凈半徑變?yōu)?.0m，按新的井壁凈半徑計算則涌水量會更大。因此，全井施工采用凍結(jié)法封水。四、瓦斯、煤塵及煤的自燃、地溫及其它1.瓦斯據(jù)鉆孔瓦斯測定成果見表10，煤層甲烷含量在0.00～0.19ml/g·rad之間。自然瓦斯成分中甲烷在0.00～12.25%之間，瓦斯分帶為二氧化碳～氮氣帶及氮氣～沼氣帶。礦井為低瓦斯礦井。鉆孔瓦斯測試成果表表10煤層號瓦斯含量(ml/g.燃)自然瓦斯成分(%)瓦斯分帶CH4CO2CH4CO2N2C2-C62-10.00-0.060.02(9)0.00-0.050.03(9)0.00-10.352.43(9)0.36-12.323.33(9)85.75-99.6494.23(9)0.00(9)2-2中0.00-0.060.02(15)0.00-0.220.04(15)0.00-11.463.53(15)0.57-15.484.46(15)77.58-98.8992.01(15)0.00(15)3-10.00-0.150.03(20)0.01-0.060.03(20)0.00-7.632.90(20)0.77-18.253.64(20)79.35-99.0993.46(20)0.00(20)4-10.00-0.120.03(20)0.00-0.090.03(20)0.00-7.192.48(20)0.76-12.494.78(20)81.41-98.3292.73(20)0.00(20)4-2中0.01(1)0.06(1)0.22(1)7.24(1)92.54()0.00(1)5-10.01-0.050.03(7)0.00-0.070.03(7)0.55-5.372.09(7)0.83-8.454.38(7)86.18-98.2893.53(7)0.0097)5-20.01-0.040.02(8)0.01-0.080.03(8)0.38-5.561.87(8)1.91-6.173.49(8)90.63-97.1594.64(8)0.00(8)6-2上0.01-0.050.03(5)0.01-0.090.04(5)0.00-9.502.71(5)0.56-14.475.94(5)85.53-95.4591.34(5)0.00(5)6-2中0.00-0.190.04(17)0.01-0.110.04(17)0.00-12.253.46(17)0.87-14.445.77(17)80.92-96.3190.77(17)0.00(17)井田內(nèi)煤層埋藏深，煤礦在生產(chǎn)時應加強通風，對井下瓦斯進行嚴密監(jiān)測，以防事故發(fā)生。2.煤塵各可采煤層的揮發(fā)分產(chǎn)率較高，一般在30～40%，屬易爆炸煤層。煤芯樣煤塵爆炸性試驗結(jié)果：當火焰長度＞400mm時，抑止煤塵爆炸最低巖粉量為65～80%，煤塵有爆炸性。3.煤的自燃據(jù)鉆孔煤芯樣自燃趨勢測試結(jié)果見表11：煤吸氧量在0.57～1.15cm3/g，煤層自燃等級為Ⅰ～Ⅱ級，自燃傾向性為容易自燃～自燃。自燃趨勢試驗成果表表11煤層號煤吸氧量cm3/g自然等級自燃傾向2-10.79-1.040.90(4)Ⅰ容易自燃2-2中0.57-1.150.79(12)Ⅰ～Ⅱ容易自燃～自燃3-10.60-0.890.76(13)Ⅰ～Ⅱ容易自燃～自燃4-10.57-0.980.80(13)Ⅰ～Ⅱ容易自燃～自燃4-2中0.66-0.780.73(3)Ⅰ～Ⅱ容易自燃～自燃5-10.45-0.900.75(13)Ⅰ～Ⅱ容易自燃～自燃5-20.59-0.990.77(10)Ⅰ～Ⅱ容易自燃～自燃6-2上0.63-0.930.76(10)Ⅰ～Ⅱ容易自燃～自燃6-2中0.62-0.950.78(13)Ⅰ～Ⅱ容易自燃～自燃煤層易發(fā)生自燃的主要因素有：(1)煤的變質(zhì)程度較低，揮發(fā)分較高，含氧較高。(2)煤中絲炭含量較高，吸氧性強，易氧化。(3)煤層中所含黃鐵礦結(jié)核及薄膜在潮濕狀態(tài)下氧化放熱促進煤的自燃。據(jù)“內(nèi)蒙古煤礦設計院”近年來對部分電廠用煤調(diào)查結(jié)果表明，東勝煤田各煤層的自燃發(fā)火期一般為40～60天，存放地點、堆積高度及堆積方式均與自燃有關，望有關部門加強管理，確保安全。4.地溫井田內(nèi)有6個鉆孔進行了簡易地溫測量見表12，結(jié)果表明：最大地溫梯度為3.01℃/100m，最小地溫梯度為2.59℃/100m，平均2.75℃/100m，其中有一個鉆孔的地溫梯度大于3℃/鉆孔簡易測溫統(tǒng)計表表12鉆孔號變溫帶地溫(℃)恒溫帶地溫(℃)增溫帶地溫(℃)地溫梯度（℃/100m）20m80m80m120m120m終點深度m地溫HS1110.410.710.711.311.386033.63.01MS199.110.310.311.011.090033.12.83MS268.611.211.211.711.788032.02.67MS328.411.211.212.012.088533.22.77MS338.010.010.010.710.790031.02.60MS3413.014.414.414.914.988034.62.59平均9.611.311.311.911.932.92.7510.511.622.45.放射性經(jīng)對自然伽瑪曲線進行認真分析研究，確定井田內(nèi)無自然伽瑪異常層。第二章鑿井施工方案及機械化作業(yè)線配置一、施工方案的確定根據(jù)井筒設計技術特征、工程地質(zhì)條件及我處多年立井施工經(jīng)驗及鑿井設備裝備能力，進行該井筒施工方案的選擇，為保證井筒掘砌施工技術的可靠性、先進性及其施工的持續(xù)穩(wěn)定性，確定采用立井綜合機械化配套施工方案，凍結(jié)法鑿井。二、機械化作業(yè)線配置（一）機械化作業(yè)線配置方式及內(nèi)容井架：Ⅴ型鑿井井架三盤：鋼結(jié)構封口盤、固定盤和雙層吊盤提升：兩套單鉤提升。主提采用2JKZ—4/15絞車，副提采用2JK—3.5/20絞車，主提采用5m3座鉤式吊桶，副提采用4m3(3m鑿巖：SJZ—6.10型傘鉆打眼，高威力抗凍水膠炸藥，長腳線毫秒延期電雷管，中深孔光面爆破。裝巖：HZ-6型中心回轉(zhuǎn)抓巖機2臺，YC60型挖掘機。支護：采用4m段高YJM型液壓整體金屬模板砌壁，裝配式組合金屬模板套壁砼攪拌與運輸：兩臺JS-1500強制式攪拌機集中攪拌砼，PL-3000配料機，主提采用3m3底卸式吊桶下放砼，副提采用2.4通風：采用FBDNO7.1/2×37KW型風機4臺，兩趟∮800mmPVC阻燃抗靜電風筒壓入式通風。壓風：GA110—8.5型空壓機集中供風。排水：DC50-80×10型臥泵排水。照明：地面各機房、配電所、穩(wěn)車房等室內(nèi)照明采用日光燈，在工業(yè)場區(qū)、馬路及排矸場所使用節(jié)能燈具，井筒及井口棚內(nèi)照明采用煤礦防爆專用照明燈具。通訊與信號：井筒設置主、副提各自獨立的聲光信號、通訊電纜各一趟,井上、下直通電話。翻矸臺上設有二套獨立的聲光信號，可以和井口進行聯(lián)系。井口與絞車房采用獨立的聲光信號和直通電話，配備電視監(jiān)控系統(tǒng)。項目部安裝小型程控電話交換機，實現(xiàn)地面各車間辦公室的互相通話，井下吊盤、井口吊盤上安裝本質(zhì)安全型電話，通過耦合器接入程控交換機，實現(xiàn)井口、井下與項目部的聯(lián)系，井下吊盤與井底采用氣喇叭進行聯(lián)系。監(jiān)控系統(tǒng)：井筒設置監(jiān)控電纜一趟。在吊盤下設置瓦斯、一氧化碳傳感器，在井口封口盤下設置瓦斯、一氧化碳傳感器，在地面設置監(jiān)控室，對井下工作面及井筒內(nèi)的有害氣體進行監(jiān)控。附圖：回風立井井筒平面布置圖（外壁段）回風立井井筒平面布置圖（內(nèi)壁段）回風立井穩(wěn)絞平面布置圖回風立井穩(wěn)絞立面布置圖門克慶煤礦回風立井穩(wěn)絞設施及鋼絲繩配套一覽表門克慶煤礦回風立井穩(wěn)絞設施及鋼絲繩配套一覽表序號用途及名稱吊重(kg)總重(kg)絞車天輪鋼絲繩安全系數(shù)規(guī)格型號數(shù)量(臺)規(guī)格型號數(shù)量(臺)合計規(guī)格數(shù)量(根數(shù)×長度)單重（kg）總重（kg）懸吊導向1主提升絞車9805145662JKZ-4/151Φ2.51118×7+FC-Φ40-1770-特1×900561656167.92副提升絞車8115108212JK-3.5/201Φ2.51118×7+FC-Φ34-1770-特1×900405940597.73吊盤穩(wěn)車5052581383JZ-25/130041×Φ1.054486×19+FC-ф46-1770左2右24×8405628225126.454風、水管路穩(wěn)車23932316682JZ-16/800A12×Φ0.81126×19+FC-Φ38-1670左1右12×840341068206.25排水管穩(wěn)車20432273762JZ-16/800A12×Φ0.81126×19+FC-Φ36-1770左1右12×840382276446.46抓巖機穩(wěn)車907312117JZ-16/800A21×Φ0.822418×7+FC-Φ32-17701×840335233526.17安全梯穩(wěn)車25003461JZA2-5/100011×Φ0.6512318×7+FC-Φ18-16701×84094518906.28模板穩(wěn)車3300046888JZ-16/800A41×Φ0.84486×19+FC-Φ36-1770左2右24×8403822152888.19主提穩(wěn)繩穩(wěn)車763010369JZ-16/800A11×Φ0.651126×19+FC-Φ