煤矿立井井筒施工技术措施范本

PAGE/r/n-167-/r/n//r/nNUMPAGES/r/n167/r/n前言/r/n编制本施工组织设计大纲的指导思想是：贯彻执行国家及本行业部门有关建设方针和技术政策，采纳先进的科学技术，充分利用本处的施工能力和技术经验，提高矿井建设的综合效益，在确保安全和工程质量的前提下，合理安排施工顺序及工程进度。本着工期短、效率高、质量优、效益好的原则，建设本矿井。/r/n严格贯彻我处质量、环境、职业健康安全三体系即ISO9001、ISO14001、GB/T28001标准《治理手册》、《程序文件》中的相关规定，确保工程施工的每一个时期、每一个环节、每道工序处于受控状态，从而确保工程质量。/r/n本施工组织设计的编制依据是：/r/n1、《/r/n淮南矿业/r/n（/r/n集团/r/n）/r/n有限责任公司/r/n顾桥煤矿/r/n东回/r/n风井/r/n井筒及相关硐室掘砌工程/r/n》/r/n施工合同、施工/r/n设计图纸/r/n；/r/n2、矿山井巷施工：/r/n（1）、《煤矿井巷工程质量验收规范》（GB50/r/n213/r/n-2010）；/r/n（2）、《煤矿井巷工程质量检验评定标准》（MT5009-94）/r/n；/r/n（3）、《煤矿井巷工程施工规范》（GB50511-2010）；/r/n（4）、《煤矿安全规程》/r/n（/r/n新/r/n版）/r/n；/r/n（5）、《防治煤与瓦斯突出规定》（2009年版）/r/n；/r/n（6）、《煤矿防治水规定》（2009年版）/r/n；/r/n（7）、《建设工程监理规范》（GB50319-2000）/r/n；/r/n（8）《煤矿建设安全规范》（AQ1083-2011）/r/n；/r/n（/r/n9/r/n）、国家、省市和行业相关法律、法规、规范要求。/r/n3、混凝土结构工程：/r/n（1）/r/n、/r/n《/r/n混凝土/r/n结构/r/n工程施工质量验收规范》（GB50204-20/r/n11/r/n）；/r/n（2）/r/n、/r/n《混凝土质量操纵标准》（GB50164-/r/n2011/r/n）/r/n；/r/n（3）/r/n、/r/n《/r/n/r/n锚杆喷射混凝土支护技术规范》（GB50086-2001/r/n）/r/n；/r/n（4）/r/n、/r/n《一般混凝土用砂、石质量及检验方法标准》（JGJ52－2006）/r/n；/r/n（5）/r/n、/r/n《混凝土外加剂》（GB8076-2008）/r/n；/r/n（6）/r/n、/r/n《混凝土外加剂应用技术规范》（GB50119-2003）/r/n。/r/n4、/r/n钢筋连接/r/n（1）/r/n、/r/n《钢筋焊接与验收规范》（JGJ18-2003）/r/n；/r/n（2）/r/n、/r/n《钢筋焊接接头试验方法》（JGJ/T27-2001）/r/n；/r/n（3）/r/n、/r/n《钢筋混凝土用热轧带肋钢筋》（GB1499-2007）/r/n；/r/n（4）/r/n、/r/n《/r/n钢筋等强度剥肋滚轧直螺纹连接技术规程/r/n》（/r/nQYJ107-2010/r/n）/r/n。/r/n

/r/n第一章概况/r/n一、工程概况/r/n淮南矿业（集团）有限责任公司顾桥煤矿行政区划隶属安徽省淮南市凤台县管辖，位于安徽省淮南市凤台县城西北，东距凤台县县城约/r/n20km/r/n。矿门紧靠凤（台）～利（辛）公路，交通方便。顾桥煤矿于/r/n2007年4月28日/r/n投产，20/r/n10/r/n年矿井核定生产能力为9.0Mt/a。为了保证正常采掘接替和解决矿井下山开采、高地温、高地压、高瓦斯等问题而启动顾桥矿安全改建及二水平延深工程项目。/r/n其要紧内容为：中央区新增深部进风井、东区新增进风井及回风井、井底车场及大巷、一水平至二水平延深巷道等相关工程，并配套/r/n“/r/n一通三防/r/n”/r/n、降温及其他辅助设施。/r/n东风井工程位于凤台县丁集乡境内的顾桥矿东区工广内（矿井中央区工业场地向东约3km），由煤炭工业合肥设计研究院设计。设计在工广内布置东进风井和东回风井2个井筒，两井筒中心东西相距90m，南北相距35m。东回风井井口场地自然标高+23.5m，设计标高+25.6m，井筒深度1035.6m，净直径/r/nФ/r/n7.0m，井底水平标高暂定为-1000m，位于13/r/n-1/r/n煤层底板约25m。/r/n为实现井筒安全/r/n、高效/r/n掘/r/n砌，井筒采纳/r/n“/r/n上冻下注/r/n”/r/n法施工，即表土段采纳冻结法施工（冻结深度464m），基岩段采纳地面预注浆加固围岩和封水，可能井筒注浆段剩余漏水量小于6m/r/n3/r/n/h。井筒地面预注浆工程由安徽煤田三队施工，井筒冻结工程由中煤三建淮南工程处施工，监理单位是河南工程咨询监理公司。/r/n东回风井井筒基岩段地面预注浆工程采纳/r/n“内圈直孔+/r/n外圈/r/nY型孔/r/n+L型孔/r/n”/r/n注浆方式，/r/n内圈/r/n直孔直孔段8个，布孔圈径12.5m；/r/n“Y”型/r/n孔4/8个，地面布置4个，注浆段8个，地面布孔圈径暂定40/r/n～/r/n42m，注浆段钻孔落点圈径12.5m；L型孔布孔4个，注浆落点进入车场靶域，利用/r/n“Y”型/r/n孔，在830m处打分叉钻孔，并依照井底车场方向选择所需利用的钻孔。注浆起止深度为443/r/n～/r/n1046.2m，共划分为10个段高（包括岩帽段），总注浆段高为603.2m（含岩帽段）。其中/r/n内圈直孔注浆起止深度为/r/n443/r/n～/r/n670/r/nm/r/n，与冻结段重合21m，划分4个段高（含岩帽段），段高总长227m，分二轮施工/r/n；“Y”型分支孔注浆起止深度为/r/n,660/r/n～10/r/n46.2/r/nm/r/n，/r/n“Y”型分支孔注浆与/r/n与内圈直孔在孔深660m处对接,/r/n注浆段重合10m/r/n，划分为6个段高，段高总长386.2m，分二轮施工；Y孔施工结束后，利用/r/n“Y”型/r/n孔，在/r/n830m/r/n处打L型钻孔，四台钻机各施工1个，一轮施工/r/n。内圈/r/n直孔于2013年6月17日开工，9月底施工结束，随即撤出钻机进行冻结灰土盘施工，10月10日冻结造孔开工，可能12月底施工完毕，2014年元月中旬正式送冷，4月初具备试挖条件。/r/n东回风井井筒为中央区二水平北一、东一采区开采时的回风井。井筒内敷设瓦斯管2趟，防火灌浆管1趟。可能东回风井于2014年4月16日正式开挖。/r/n二、工程内容及工程特点/r/n1、工程内容：/r/n顾桥煤矿东回/r/n风井井筒/r/n及/r/n相关硐室/r/n掘砌/r/n工程/r/n。/r/n2、井筒特点：/r/n东回/r/n风井/r/n井筒设计净直径为/r/nΦ/r/n7.0/r/nm，井筒全深/r/n10/r/n35.6/r/nm（含/r/n水窝深度10m/r/n）/r/n，设计表土及风化基岩段为冻结法凿井，/r/n基岩段采纳地面预注浆法施工/r/n，新生界/r/n表土层厚度（地表标高）401.7/r/nm/r/n，基岩风化/r/n底界/r/n面（地表标高）422.2/r/nm/r/n，井筒风化带厚度40.5m，井筒/r/n冻结深度/r/n464/r/nm。/r/n井/r/n筒中心/r/n坐标，X=36/r/n32/r/n330/r/n./r/n0/r/n00，Y=394/r/n6/r/n3370/r/n.000/r/n，/r/n地表自然标高/r/n+2/r/n3.5/r/nm/r/n、设计井口标高/r/n+2/r/n5.6m。/r/n井壁结构为：/r/n冻结段设计为内、外双层钢筋/r/n混凝土/r/n井壁，+/r/n25.6/r/nm~-/r/n1/r/n4/r/n4.4/r/nm段内、外层井壁支护厚度分不为/r/n55/r/n0mm、/r/n55/r/n0mm/r/n，砼标号C30~C/r/n4/r/n0；-/r/n1/r/n4/r/n4.4/r/nm～-/r/n289/r/n.4/r/nm段内、外层井壁支护厚度分不为/r/n75/r/n0mm、/r/n7/r/n0/r/n0mm/r/n，/r/n混凝土/r/n标号C/r/n4/r/n0~C/r/n6/r/n0；-/r/n289.4/r/nm～-/r/n413.4/r/nm/r/n段内、外层井壁支护厚度分不为/r/n95/r/n0mm、/r/n85/r/n0mm/r/n，混凝土标号C/r/n60/r/n~C6/r/n5/r/n；-/r/n413.4/r/nm～-/r/n426.4/r/nm段/r/n为整体浇筑段，井壁支护厚度为/r/n1/r/n8/r/n00/r/nmm，/r/n混凝土/r/n标号C/r/n65/r/n；/r/n-/r/n426/r/n.4m～-/r/n428/r/n.4m为井壁支撑圈，井壁支护厚度为1/r/n1/r/n50mm，混凝土标号C/r/n65/r/n；/r/n冻结段-/r/n14.4/r/nm~-/r/n1/r/n9/r/n4.4/r/nm段外壁外铺设/r/n25/r/nmm/r/n聚苯乙烯泡沫塑料板/r/n；-1/r/n9/r/n4.4m~-/r/n377/r/n./r/n9/r/nm段外壁外铺设/r/n50mm/r/n聚苯乙烯泡沫塑料板/r/n。/r/n+/r/n25.6/r/nm~-/r/n413/r/n基岩段设计为单层素混凝土井壁，-/r/n428.4/r/nm～/r/n-/r/n674.4/r/nm/r/n段井壁为单层素混凝土，支护厚度/r/n5/r/n0/r/n0mm，混凝土等级为C40；/r/n-/r/n674.4/r/nm/r/n～-/r/n10/r/n1/r/n0.0/r/nm/r/n段井壁为单层素混凝土，支护厚度/r/n3、相关硐室工程/r/n预留风道口/r/n；/r/n-1000m/r/n井筒连接处（马头门）/r/n施工/r/n暂按/r/n3/r/n5m长度考虑/r/n。/r/n具体见下表：/r/n序号/r/n井筒部位/r/n高度/r/n井壁形式及厚度/r/n砼标号/r/n1/r/n+25.6m~-144.4/r/nm/r/n170m/r/n内层/r/n(/r/n550mm/r/n)/r/n外层/r/n(/r/n550mm/r/n)/r/nC30、C40/r/n2/r/n-144.4m~-289.4m/r/n145m/r/n内层/r/n(/r/n750mm/r/n)/r/n外层/r/n(/r/n700mm/r/n)/r/nC40、C50、C60/r/n3/r/n-289.4m~-413.4m/r/n124m/r/n内层/r/n(/r/n950mm/r/n)/r/n(/r/n外层800mm/r/n)/r/nC60、C65/r/n4/r/n-413.4m~-426.4m/r/n13m/r/n壁座（1800mm）/r/nC65/r/n5/r/n-426.4m~-428.4m/r/n2m/r/n井壁支撑圈（1150mm）/r/nC65/r/n6/r/n-428.4m~-674.4/r/n246m/r/n单层（500mm）/r/nC40/r/n7/r/n-674.4m~-1010m/r/n335.6m/r/n单层（600mm）/r/nC45/r/n三、井筒地质及水文地质资料/r/n（一）、井筒地质/r/n顾桥矿井位于淮南复向斜之中部，属陈桥背斜东翼与潘集背斜西部衔接带，煤系地层总体形态为一走向近南北，倾向东倾角多为5°~15°的反“S”型单斜构造。煤系地层之上覆盖新生界巨厚松散冲积层，厚在265~/r/n325m/r/n，东南薄，西北厚，要紧由松散的砂、砾、砂质粘土组成。底部有片状分布在基岩面上，岩性为灰白、紫红色砂岩、砾岩，偶夹薄层固结粘土的碎石层。煤系地层要紧为二叠系厚度大于/r/n954m/r/n，划分为七个含煤段。底部以海相泥岩与太原组分界。本区的6-2煤层和8煤层位于二叠系下统下石盒子组；其中8煤层位于下石盒子组第二含煤段上部。本区第二含煤段厚106~/r/n265m/r/n，平均厚/r/n111m/r/n，含煤9层，平均总厚/r/n8.54m/r/n，含煤系数7.69%。底部为中粗砂岩，具冲刷特征，其上有花斑泥岩与铝质泥岩，是煤岩对比的标志。/r/n东回/r/n风井位于顾桥勘探区十线与十线北之间。通过检查孔揭露井筒地质有新生界地层和二叠系上盒子组地层（即淮南煤田的第三、第四、第五、第六和第七含煤段）。/r/n（二）、/r/n煤层/r/n检查孔穿过煤系地层第三、四、五、六、七含煤段的11～25煤，共见煤17层，其中/r/n≥/r/n0.80m/r/n的表明可采煤层6层。和以往勘探成果对比，煤层的厚度、结构、特征均较吻合，层位正常。具体煤质指标及见煤情况见表/r/n要紧煤质指标综合成果表/r/n煤层/r/nMad/r/n(%)/r/nAd/r/n(%)/r/nVdaf/r/n(%)/r/nStd/r/n(%)/r/nQbad/r/n(MJ/kg)/r/nPd/r/n(%)/r/nX/r/n(mm)/r/nY/r/n(mm)/r/nG/r/n煤类/r/n22/r/n1.61/r/n33.27/r/n35.58/r/n0.67/r/n22.15/r/n0.010/r/n49/r/n14/r/n58.16/r/nQM/r/n13-1/r/n1.54/r/n34.56/r/n35.80/r/n0.50/r/n21.59/r/n0.014/r/n50/r/n14/r/n84.66/r/nQM/r/n（三）、构造/r/n本井筒区域地层倾角平缓，近于水平，一般3/r/n°/r/n-5/r/n°/r/n，仅在780/r/n-790m/r/n处出现岩芯较破裂，滑面裂隙发育及挤压揉皱现象。属构造简单类型、地层层间距正常。/r/n东回风井见煤情况表/r/n序号/r/n煤层/r/n底板深度（m）/r/n厚度（m）/r/n采长（m）/r/n长度/r/n采取率（%）/r/n顶板/r/n底板/r/n夹矸/r/n1/r/n25/r/n621.55/r/n0.25/r/n0.20/r/n80/r/n中粗/r/n砂岩/r/n泥岩/r/n2/r/n24/r/n635.95/r/n0.45/r/n0.00/r/n0/r/n泥岩/r/n泥岩/r/n3/r/n煤/r/n642.05/r/n0.55/r/n0.53/r/n96/r/n砂质/r/n泥岩/r/n砂质/r/n泥岩/r/n4/r/n23/r/n649.15/r/n1.25/r/n1.20/r/n96/r/n砂质/r/n泥岩/r/n砂质/r/n泥岩/r/n5/r/n煤/r/n662.80/r/n0.45/r/n0.00/r/n0/r/n泥岩/r/n炭质/r/n泥岩/r/n6/r/n煤/r/n667.40/r/n0.40/r/n0/r/n0/r/n砂质泥岩/r/n砂质泥岩/r/n7/r/n煤/r/n671.00/r/n0.35/r/n0.35/r/n100/r/n粉砂岩/r/n砂质/r/n泥岩/r/n8/r/n22/r/n682.15/r/n0.35/r/n(0.30)/r/n0.60/r/n0.34/r/n(0.30)/r/n0.60/r/n99/r/n砂质/r/n泥岩/r/n粉砂岩/r/n粉砂岩/r/n9/r/n20/r/n803.70/r/n0.95/r/n0.95/r/n100/r/n泥岩/r/n粉砂岩/r/n10/r/n19/r/n820.55/r/n0.50/r/n0.45/r/n90/r/n砂质/r/n泥岩/r/n粉砂岩/r/n11/r/n18/r/n829.50/r/n0.65/r/n0.65/r/n100/r/n中砂岩/r/n砂质/r/n泥岩/r/n12/r/n17/r/n-2/r/n878.80/r/n0.95/r/n0.90/r/n95/r/n泥岩/r/n泥岩/r/n13/r/n13-2/r/n989.30/r/n0.50/r/n0.50/r/n100/r/n泥岩/r/n泥岩/r/n14/r/n煤/r/n990.55/r/n0.30/r/n0.30/r/n100/r/n泥岩/r/n泥岩/r/n15/r/n13-1/r/n1002.55/r/n5.30/r/n5.25/r/n99/r/n细砂岩/r/n泥岩/r/n16/r/n11-2/r/n1072.90/r/n1.15/r/n1.10/r/n96/r/n砂质泥岩/r/n砂质/r/n泥岩/r/n17/r/n11-1/r/n1075.20/r/n0.65/r/n0.64/r/n98/r/n砂质泥岩/r/n泥岩/r/n（三）、/r/n井筒检查孔煤层瓦斯和瓦斯突出危险指标/r/n1/r/n、/r/n煤层瓦斯/r/n井筒检查孔共见真厚/r/n≥/r/n0.8m/r/n厚的煤层6层，其中采集瓦斯样11个，瓦斯突出样6个。各煤层瓦斯含量、成分比例及成分分带见瓦斯测试成果表/r/n瓦斯样测试成果汇总表/r/n/r/n煤层/r/n底板/r/n深度/r/n（m）/r/n厚度/r/n（m）/r/n瓦斯成份（%）/r/n瓦斯含量ml/g/r/n瓦斯/r/n分带/r/nN2/r/nCH4/r/nCO2/r/nN2/r/nCH4/r/nCO2/r/n煤/r/n642.05/r/n0.55/r/n81.30/r/n14.28/r/n4.42/r/n5.15/r/n0.93/r/n0.26/r/nN2带/r/n23/r/n649.15/r/n1.25/r/n58.98/r/n0.81/r/n32.48/r/n5.56/r/n0.06/r/n2.60/r/nN2-CO2/r/n22/r/n682.15/r/n0.35（0.30/r/n）/r/n0.60/r/n48.06/r/n47.91/r/n4.03/r/n3.95/r/n3.39/r/n0.38/r/nN2-CH4/r/n20/r/n803.7/r/n0.95/r/n10.02/r/n86.06/r/n3.12/r/n2.19/r/n6.59/r/n0.55/r/nCH4/r/n19/r/n820.55/r/n0.50/r/n67.71/r/n20.65/r/n9.90/r/n7.56/r/n2.09/r/n0.94/r/nN2-CH4/r/n18/r/n829.50/r/n0.65/r/n40.89/r/n47.31/r/n10.4/r/n4.06/r/n4.36/r/n0.87/r/nN2-CH4/r/n17/r/n878.80/r/n0.95/r/n26.07/r/n71.13/r/n2.80/r/n3.55/r/n5.97/r/n0.34/r/nN2-CH4/r/n13-2/r/n989.30/r/n0.50/r/n56.50/r/n33.52/r/n8.38/r/n9.41/r/n5.17/r/n1.70/r/nN2-CH4/r/n13-1/r/n1002.55/r/n5.30/r/n17.25/r/n63.85/r/n9.21/r/n3.75/r/n7.11/r/n1.07/r/nN2-CH4/r/n11-2/r/n1072.90/r/n1.15/r/n37.46/r/n54.77/r/n6.67/r/n6.55/r/n6.71/r/n0.89/r/nN2-CH4/r/n11-1/r/n1075.20/r/n0.65/r/n66.80/r/n27.49/r/n4.59/r/n8.98/r/n3.32/r/n0.56/r/nN2-CH4/r/n井筒部分煤层瓦斯测试值与矿区相比偏低，可能是现场取样不当所致，鉴于阻碍瓦斯值的因素较多，建议上述测试值参考使用。/r/n2、突出危险指标/r/n依照瓦斯突出样测试成果，除13-1煤层突出危险性指标（K）较高外,其余煤层由于牢固性系数（f）值增大，瓦斯放散初速度(/r/n△/r/nP)相对变小，在2-6之间，突出危险性指标（K）在3.23～12.00值之间,不具备突出威险性。但由于干扰指标的因素较多，且假如瓦斯在局部地段聚拢，煤层则会具备产生瓦斯突出危险性的条件，因此，实际生产中，应注意煤层瓦斯的区域突出危险性。/r/n瓦斯突出危险指标汇总及评价表/r/n/r/n煤层/r/n底板深度（m）/r/n牢固性系数（/r/nf/r/n）/r/n放散初速度/r/n(/r/n△/r/nP)/r/n突出危险性指标（/r/nK/r/n）/r/n突出危险性/r/n区域突出危险性/r/n23/r/n649.15/r/n0.62/r/n2/r/n3.23/r/n无突出危险/r/n突出危险区域/r/n22/r/n682.15/r/n0.55/r/n2/r/n3.64/r/n无突出危险/r/n突出危险区域/r/n20/r/n803.70/r/n0.50/r/n3/r/n6.00/r/n无突出危险/r/n突出危险区域/r/n17/r/n878.80/r/n0.52/r/n4/r/n7.69/r/n无突出危险/r/n突出危险区域/r/n13-1/r/n1002.55/r/n0.46/r/n8/r/n17.39/r/n有突出危险/r/n突出危险区域/r/n11-2/r/n1072.90/r/n0.50/r/n6/r/n12.00/r/n无突出危险/r/n突出危险区域/r/n（四）、/r/n地温概况/r/n东/r/n回风井检查孔完成近似稳态的井温施测，依照淮南地区恒温带深度/r/n30m/r/n，温度为/r/n16.8/r/n℃/r/n,本孔地温曲线中性点深度/r/n380m/r/n,温度为/r/n26.8/r/n℃/r/n。井底/r/n1080m/r/n时岩温/r/n46.8/r/n℃/r/n（/r/n五/r/n）、/r/n井筒水文地质与井筒涌水量预测/r/n东回/r/n风井井筒掘砌过程中要紧揭露新生界松散层含、隔水层以用煤系砂岩裂隙含、隔水组。/r/n1、井筒新生界水文地质特征/r/n本区内施工两个孔，主检孔对新生界松散层仅操纵基岩面，未取芯，岩性由测井解释。辅检孔取芯，详细划分与描述了岩性，新生界松散层厚度见表1。/r/n表1检查孔新生界厚度表/r/n孔号/r/n辅检孔/r/n主检孔/r/n新生界厚度（m）/r/n262.90/r/n267.20/r/n因本区位于基岩古隆起（潜山）之处，新地层沉积覆盖于基岩古隆起之上，厚度变化大。因此，上含、上隔、中含上段发育完整，中含下段、中隔及整个下部含水组缺失，底部碎石层普遍发育，厚度为4.80～5/r/n.00m/r/n。/r/n依照辅检孔资料，本区上部含(隔)水组底界埋深/r/n110.40m/r/n，含水砂层总厚/r/n56.20m/r/n，其中上段弱含水层底界埋深/r/n27.80m/r/n，由细砂、中砂、砂质粘土组成，含水砂层厚/r/n15.70m/r/n，占组厚的88.2%；中段隔水层底界埋深/r/n58.00m/r/n，由砂质粘土及砂质粘土组成，厚/r/n30.20m/r/n；下段含水层底界埋深/r/n110.40m/r/n，要紧由粗砂、中砂、细砂、粉砂、砂质粘土组成，含水砂层总厚/r/n40.50m/r/n，占组厚的77.3%。/r/n上部隔水层底界埋深/r/n139.15m/r/n，要紧由砂质粘土及粘土组成，组厚/r/n28.75m/r/n。/r/n中部上段含水层底界埋深/r/n242.20m/r/n，组厚/r/n103.05m/r/n，要紧由细砂、粉砂、砂质粘土组成，含水砂层总厚/r/n69.85m/r/n，占组厚的67.8%。/r/n中部上段隔水层底界埋深/r/n258.10m/r/n，组厚/r/n15.90m/r/n，要紧由粘土、砂质粘土组成。/r/n底部碎石层底界埋深262.90，组厚/r/n4.80m/r/n。/r/n见表2。/r/n新生界松散冲积含水层中的地下水差不多处于区域性封闭状态,没有明显的自然排泄口，中、下部的地下水在自然条件下差不多不流淌。依照《淮南煤田顾桥勘探区综合勘探精查地质报告》，本区上部松散层地下水流向差不多与现代地形一致，即水流由西北向东南，水力坡度为1/12500。/r/n表2新生界含、隔水层组结构表/r/n含隔水组名称/r/n埋深（m）/r/n厚度（m）/r/n砂层/r/n土层/r/n砂层占/r/n百分比（%）/r/n顶界/r/n底界/r/n层数/r/n累厚（m）/r/n层数/r/n累厚（m）/r/n上/r/n部/r/n上段弱含水组/r/n10.00/r/n27.80/r/n17.80/r/n2/r/n15.70/r/n1/r/n2.10/r/n88.2/r/n中段隔水层/r/n27.80/r/n58.00/r/n30.20/r/n2/r/n30.20/r/n下段含水层/r/n58.00/r/n110.40/r/n52.40/r/n8/r/n40.50/r/n3/r/n11.90/r/n77.3/r/n上部隔水层/r/n110.40/r/n139.15/r/n28.75/r/n4/r/n28.75/r/n中部上段含水层/r/n139.15/r/n242.20/r/n103.05/r/n19/r/n69.85/r/n8/r/n33.20/r/n67.8/r/n中部上段隔水层/r/n242.20/r/n258.10/r/n15.90/r/n2/r/n15.90/r/n底部碎石层/r/n258.10/r/n262.90/r/n4.80/r/n1/r/n4.80/r/n100/r/n2、井筒基岩段水文地质特征/r/n（1）、/r/n筒基岩含水层的划分结果1、/r/n第一含水层（风化带底）/r/n起始深度442.2～454/r/n.3m/r/n，层厚/r/n12.10m/r/n，位于基岩面下/r/n40.80/r/nm/r/n处，为风化带直接覆盖含水层。纵向裂隙发育，局部岩芯破裂，RQD=90%，见1组垂向裂隙，泥浆消耗0.48/r/n-0.80m/r/n（/r/n2/r/n）/r/n、第二含水层（25煤以上）/r/n二迭系石千峰（P22）地层，起始深度470.8～494/r/n.6m/r/n，厚/r/n23.60m/r/n，砂岩厚/r/n16.0m/r/n，占本段的37.80%，其中，中粗砂岩厚/r/n7.3m/r/n，粗粒结构，裂隙率3～8条/米，粉砂岩厚/r/n12.80m/r/n，局部夹紫红色花斑，上部含较多中粗砂，由上至下粒径变小，局部裂隙较发育，裂隙率3-5条/米。细砂岩厚/r/n0.80m/r/n，裂隙发育一般，泥浆消耗0.24/r/n-0.38m/r/n3/r/n（/r/n3/r/n）/r/n、第三含水层（25煤以上）/r/n二迭系石千峰（P22）地层，起始深度511.4～535/r/n.0m/r/n，厚/r/n23.60m/r/n，由泥岩及砂岩交互成层。砂岩厚/r/n11.3m/r/n，占本段的47.88%，其中粗砂岩/r/n3.40m/r/n，砾径3/r/n-4mm/r/n，裂隙发育一般；粉细砂岩/r/n7.9m/r/n，杂暗紫红色花斑，并夹少许中粗砂岩，裂隙率4条/米，消耗量0.16～0/r/n.32m/r/n3/r/n（/r/n4/r/n）/r/n、第四含水层（23煤以上）/r/n二迭系上石盒子组（P21）地层，起始深度612.9～640/r/n.7m/r/n，层厚/r/n27.8m/r/n，由中粗砂岩、泥岩、薄煤交互成层，其中砂岩厚/r/n12.5m/r/n，占本段的44.96%，由中粗砂岩及细砂岩组成。中粗砂岩厚/r/n8.40m/r/n，含细砾，砾径2/r/n-3mm/r/n，其上部岩芯破裂，裂隙发育，充填方解石脉，下部偶见裂隙充填白色钙质膜，RQD=100%，泥浆消耗1.28/r/n-1.6m/r/n3/r/n/h；细砂岩厚/r/n4.10m/r/n，下部岩芯破裂，裂隙发育，裂隙率5条/米。泥浆消耗0.32/r/n-0.48m/r/n（/r/n5/r/n）/r/n、第五含水层（17-2～13-1煤）：/r/n埋深969.8～988/r/n.40m/r/n，厚/r/n18.60m/r/n，由2层中砂岩及1层泥岩组成，砂岩厚/r/n16.80m/r/n，占本段的90.32%，中粒结构，在983.4/r/n-983.5m/r/n见粗砂岩薄层，显缓斜层理，2层砂岩均于底部各见1组斜切裂隙及纵向裂隙。泥浆消耗/r/n0.16m/r/n3/r/n（/r/n6/r/n）/r/n、第六含水层（13-1～11-2煤）：/r/n埋深1032～1041/r/n.80m/r/n，层厚/r/n9.80m/r/n，由细砂岩及中砂岩组成,细砂岩厚/r/n4.2m/r/n，裂隙6条/米；中砂岩厚/r/n5.6m/r/n，裂隙发育，裂隙率8条/米，本段消耗量/r/n0.16m/r/n3/r/n上述六个含水层之间，均有相对有效的隔水层存在。垂向上各含水层无直接水力联系。/r/n东回风井井筒涌水量可能表/r/n含水层编号/r/n起止深度/r/n（m）/r/n厚度/r/n（m）/r/n要紧岩性/r/n井筒涌水量（m/r/n³/r/n/h）/r/n方法一/r/n方法二/r/n方法三/r/n方法四/r/n1/r/n～/r/n石英砂岩/r/n0.480/r/n2/r/n～/r/n粗砂岩/r/n粉细砂岩/r/n中粗砂岩/r/n粉砂岩/r/n细砂岩/r/n0.66/r/n6/r/n77.74/r/n3/r/n～/r/n粉砂岩/r/n细砂岩/r/n粉砂岩/r/n粗砂岩/r/n0.489/r/n2.03/r/n2/r/n49.34/r/n4/r/n～/r/n中粗砂岩/r/n细砂岩/r/n0.640/r/n2.726/r/n23.642/r/n5/r/n～/r/n中砂岩/r/n1.212/r/n5.44/r/n8/r/n3.898/r/n6/r/n细砂岩/r/n中砂岩/r/n0.740/r/n3.34/r/n7/r/n5.578/r/n

/r/n第二章施工预备/r/n一、技术预备/r/n1、组织技术与治理人员认真批阅图纸，学习技术规范，组织图纸会审，并在此基础上编制实施性施工组织设计、施工技术措施、项目质量打算、填报项目开工报告，预备好各种技术资料和表格，开工前对技术人员、治理人员及施工人员做好技术交底。/r/n2、组织测量人员做好接点复测工作，按业主提供的导线、水准点进行全面复核校验，进行井口十字基桩的布设。/r/n二、施工队伍预备/r/n1、为确保本工程施工速度和工程质量，特在本处内精选素养好、经验丰富、从事过/r/n三/r/n次以上类似工程施工的施工队伍进场施工。/r/n2、依照施工进度情况，按总体施工打算，陆续组织各作业队、各岗位、各工种人员进场，所有人员在上岗前10天到岗，以便了解现场情况，按本/r/n处/r/n质量、环境、职业健康安全三体系即ISO9001、ISO14001、GB/T28001标准。以及ZM71/r/n//r/nQEO-CX-/r/n2008/r/n《培训操纵程序》要求组织学习培训。/r/n三、施工现场预备及总平面布置图/r/n第一批人员进场后，要及时开展进场四通一平的预备工作，施工必需的生活、办公、卫生、生产等临时设施。/r/n工广临时设施布置，遵循“方便有用、文明施工、节约用地、安全可靠、兼顾环保、CI达标、尽可能避开永久建筑物”的原则，各临时建筑的相互位置要符合施工工艺要求，动力设施要靠近负荷中心，尽量幸免人流、物流的交叉、倒流，幸免器材的长距离搬运。/r/n生产性临时建筑围绕井口布置，绞车房、搅拌站、料场通风机均布置在井口附近，以缩短运输距离，提高工作效率。钢筋棚、加工车间等也设在井口附近。生活福利建筑物布置在业主指定的工广内。/r/n各临时建筑的布置，均依据地形而建，不设统一的室内标高，但室内标高均应比室外标高高/r/n200mm/r/n。/r/n井筒施工大临平面布置图见表2-1，临时设施用地表见表2-2。/r/n四、施工技术装备与材料供应安排/r/n我处施工技术力量雄厚，装备精良，有充足的大型矿井施工成套机械化设备，/r/n要紧机械设备表见表2-3，试验和检测仪器设备表2-4。/r/n由处机电、试验、材料供应部门组织设备、仪器、周转材料等调运工作，确保施工设备、试验、检验设备、测量设备等迅速进场。其余设备和周转材料依照工作进度工程进展情况，按打算陆续进场。/r/n组织物资供应人员进行市场调查，按本处质量、环境、职业健康安全三体系即ISO9001、ISO14001、GB/T28001标准，以及ZM71/QEO-CX-2008《物质采购操纵程序》，选择合适的供应商，落实货源，安排订货打算，设立堆放场地，搭设库房等。/r/n项目部成立以项目经理为组长，项目副经理及各施工队队长为副组长，各相关部门负责人为组员的材料设备供应治理机构，负责本工程的材料设备供应工作。/r/n工程物资的采购、供应和治理将严格执行我处规定的物资治理方法，工程所需材料均严格按程序采购、供应和治理。接到中标通知书后，我处将尽快组织物资采购人员进行市场调查，确定各种材料的供货地点和运输方式，并保证采购的所有材料质量合格、价格合理、供应及时。同时在施工过/r/n程/r/n中做好季节性材料储备，幸免停工待料现象发生。/r/n施工中应依照进度打算编制各种材料、设备、工器具供应打算，并落实设备、材料、工器具的进场与保管。提早落实各种材料的货源及采购，特不是钢材、木材、水泥以及砂、石等大宗材料，/r/n及时/r/n做好材料/r/n送检/r/n工作。关于进点后立即开展的施工项目，/r/n所需的/r/n设备、工器具/r/n等/r/n施工材料均应提早预备。/r/n在设备配置时，应选调性能良好、低污染、高效率的设备，入场前均进行检校，确保投入施工现场的机械/r/n设备/r/n良好。关于施工中需要连续运转使用的设备考虑一定的备用量，幸免因设备故障而阻碍工期或造成损失。/r/n

/r/n表2/r/n-2/r/n井筒施工大临工程一览表/r/n序号/r/n用途/r/n结构/r/n形式/r/n面积/r/n位置/r/n备注/r/n单位/r/n数量/r/n1/r/n主提绞车房/r/n轻钢结构/r/nm/r/n2/r/n252/r/n井口一侧/r/n2/r/n副提绞车房/r/n轻钢结构/r/nm/r/n2/r/n220/r/n井口一侧/r/n3/r/n绞车、稳车设备基础/r/n混凝土/r/nm/r/n2/r/n520/r/n井口两侧/r/n4/r/n机电修车间/r/n轻钢结构/r/nm/r/n2/r/n84/r/n井口附近/r/n5/r/n材料库/r/n轻钢结构/r/nm/r/n2/r/n147/r/n工广内一隅/r/n6/r/n井口配电/r/n轻钢结构/r/nm/r/n2/r/n42/r/n井口附近/r/n7/r/n井口值班/r/n轻钢结构/r/nm/r/n2/r/n126/r/n井口附近/r/n8/r/n钢筋棚/r/n钢筋防雨棚/r/nm/r/n2/r/n96/r/n工广内一隅/r/n9/r/n砂、石料场/r/n混凝土铺地/r/nm/r/n2/r/n500/r/n井口附近/r/n10/r/n职工宿舍/r/n轻钢结构/r/nm/r/n2/r/n780/r/n工广内一隅/r/n11/r/n食堂/r/n轻钢结构/r/nm/r/n2/r/n126/r/n工广内一隅/r/n12/r/n浴室/r/n轻钢结构/r/nm/r/n2/r/n80/r/n工广内一隅/r/n13/r/n更衣室/r/n轻钢结构/r/nm/r/n2/r/n20/r/n工广内一隅/r/n14/r/n办公室/r/n轻钢结构/r/nm/r/n2/r/n260/r/n工广内一隅/r/n15/r/n卫生间/r/n轻钢结构/r/nm/r/n2/r/n43/r/n工广内一隅/r/n16/r/n临时变电所/r/n轻钢结构/r/nm/r/n2/r/n136/r/n工广内一隅/r/n

/r/n表2-3要紧施工机械设备表/r/n序号/r/n设备名称/r/n型号规格/r/n数量/r/n国不/r/n产地/r/n制造年份/r/n额定/r/n功率/r/n生产能力/r/n备注/r/n1/r/n凿井井架/r/nV型凿井井架/r/n1/r/n2013/r/n2/r/n主提升机/r/n2JKZ-4.0×2.65/15/r/n1/r/n洛阳/r/n20/r/n12/r/n2/r/n×/r/n1000/r/n3/r/n副提升机/r/nJKZ-3.2×3/18/r/n1/r/n洛阳/r/n20/r/n11/r/n1250/r/n4/r/n提升天轮/r/nTXG-3.0/r/n/3.5/r/n2/r/n宿州/r/n2009/r/n5/r/n吊桶/r/n6/r/n.0/r/n//r/n5/r/n.0/r/n//r/n4/r/n.0m/r/n3/r/n5/r/n宿州/r/n201/r/n3/r/n6/r/n底卸式吊桶/r/nDX-/r/n4.0//r/n3.0/r/n/r/n4/r/n宿州/r/n201/r/n3/r/n7/r/n钩头/r/n1/r/n8/r/nt/r/n、11t/r/n2/r/n沈阳/r/n20/r/n13/r/n8/r/n稳车/r/nJZ-16/1000/r/n2/r/n徐州/r/n20/r/n12/r/n55/r/n9/r/n稳车/r/nJZ-10/800/r/n2/r/n宿州/r/n20/r/n11/r/n22/r/n10/r/n稳车/r/nJZ-25/1300/r/n11/r/n徐州/r/n20/r/n10/r/n45/r/n11/r/n稳车/r/nJZA-5/1000/r/n1/r/n宿州/r/n2010/r/n22/r/n12/r/n悬吊天轮/r/n1.0/r/n5/r/nm重型单槽/r/n1/r/n7/r/n宿州/r/n20/r/n13/r/n13/r/n悬吊天轮/r/n1.0m/r/n重型双槽/r/n1/r/n宿州/r/n201/r/n1/r/n14/r/n悬吊天轮/r/n0.6m/r/n单槽/r/n3/r/n宿州/r/n20/r/n12/r/n15/r/n装载机/r/nZL-50/r/n1/r/n徐州/r/n20/r/n13/r/n16/r/n自卸汽车/r/n10t/r/n4/r/n长春/r/n20/r/n12/r/n17/r/n喷浆机/r/nPC-7/r/n1/r/n2/r/n江西/r/n201/r/n3/r/n3/r/n18/r/n砼震动器/r/nZNQ-50/r/n16/r/n方园/r/n201/r/n3/r/n19/r/n整体模板/r/nMJY-3./r/n6/r/nm/r/n1/r/n自制/r/n201/r/n3/r/n20/r/n注浆机/r/nXPB-90E/r/n2/r/n天津/r/n2011/r/n90/r/n21/r/n变压器/r/nS/r/n11/r/n-/r/n5000/10/6/r/n1/r/n盐城/r/n20/r/n11/r/n22/r/n变压器/r/nS/r/n11/r/n-/r/n4/r/n1/r/n盐城/r/n20/r/n11/r/n2/r/n3/r/n变压器/r/nS/r/n11/r/n-/r/n25/r/n1/r/n盐城/r/n20/r/n12/r/n2/r/n4/r/n变压器/r/nS/r/n11/r/n-800/6/0.4/r/n2/r/n盐城/r/n20/r/n12/r/n2/r/n5/r/n变压器/r/nKBSG/r/nZY/r/n-/r/n500/r/n/6/0./r/n69/r/n2/r/n浙江/r/n20/r/n12/r/n2/r/n6/r/n变压器/r/nKBSG/r/nZY/r/n-/r/n500/r/n//r/n10/r/n/0./r/n69/r/n1/r/n浙江/r/n201/r/n2/r/n27/r/n开闭锁/r/nKBSY-6/r/n1/r/n徐州/r/n201/r/n3/r/n（/r/n续上表/r/n）/r/n序号/r/n设备名称/r/n型号规格/r/n数量/r/n国不/r/n产地/r/n制造年份/r/n额定/r/n功率/r/n生产能力/r/n备注/r/n2/r/n8/r/n开闭锁/r/nKBSY-10/r/n1/r/n淮北/r/n201/r/n3/r/n2/r/n9/r/n开闭锁/r/nKBSY-0.4/r/n1/r/n淮北/r/n201/r/n2/r/n30/r/n低防开关/r/nKBZ-400/r/n6/r/n宿州/r/n2011/r/n3/r/n1/r/n地质钻机/r/nZDY-3200S/r/n2/r/n西安/r/n201/r/n2/r/n15/r/n3/r/n2/r/n调度绞车/r/nJD-11.4/r/n4/r/n徐州/r/n20/r/n12/r/n11.4/r/n3/r/n3/r/n电焊机/r/nBX/r/n5/r/n-400/r/n2/r/n合肥/r/n201/r/n3/r/n3/r/n4/r/nBQW50-20/30/r/n2/r/n山西/r/n201/r/n3/r/n160/r/n3/r/n5/r/n排水泵/r/nMD35/r/n-1/r/n1/r/n0×10/r/n2/r/n博山/r/n201/r/n3/r/n280/r/n3/r/n6/r/n吊盘/r/n1/r/n自制/r/n201/r/n3/r/n3/r/n7/r/n轮锯机/r/n11Kw/r/n1/r/n合肥/r/n201/r/n3/r/n11/r/n3/r/n8/r/n车床/r/n17Kw/r/n1/r/n合肥/r/n20/r/n11/r/n17/r/n3/r/n9/r/n钻床/r/n5.5Kw/r/n1/r/n合肥/r/n201/r/n3/r/n5.5/r/n40/r/n砂轮机/r/nS/r/n3/r/nSL-300/r/n1/r/n合肥/r/n201/r/n3/r/n3/r/n4/r/n1/r/n伞钻/r/nSJZ6.10/r/n1/r/n宣化/r/n201/r/n2/r/n4/r/n2/r/nHZ-6/r/n2/r/n徐州/r/n20/r/n13/r/n4/r/n3/r/nFBD-Ⅱ-NO8.0/r/n2/r/n侯马/r/n201/r/n2/r/n2×55/r/n4/r/n4/r/nFBD-Ⅱ-NO/r/n7.1/r/n2/r/n侯马/r/n201/r/n2/r/n2×/r/n30/r/n4/r/n5/r/nYT-28/r/n8/r/n沈阳/r/n201/r/n3/r/n4/r/n6/r/nBQF-50/25/r/n5/r/n常州/r/n201/r/n3/r/n47/r/nPC60/r/n2/r/n小松/r/n201/r/n3/r/n48/r/nJS-1/r/n5/r/n00/r/n2/r/n山东/r/n201/r/n3/r/n

/r/n表2-4试验和检测仪器设备表/r/n序号/r/n设备名称/r/n型号规格/r/n数/r/n量/r/n国不/r/n产地/r/n制造/r/n年份/r/n已使用台时数/r/n用途/r/n备注/r/n1/r/n锚杆拉力计/r/nZY-20/r/n1/r/n北京/r/n2013/r/n2/r/n钢尺/r/nLGS100/r/n1/r/n北京/r/n2013/r/n3/r/n收敛仪/r/nJSS/r/n30A/r/n1/r/n北京/r/n2013/r/n4/r/n全站仪/r/n科力达KTS/r/n-442L/r/n1/r/n苏州/r/n2013/r/n5/r/n水准仪/r/nNAL224/r/n1/r/n苏州/r/n2013/r/n6/r/n靠尺/r/nJZC/r/n2/r/n浙江/r/n2013/r/n7/r/n自动称量上料机/r/nPLD-1600/r/n2/r/n山东/r/n2013/r/n8/r/n塌落筒/r/nTLY-1/r/n2/r/n北京/r/n2013/r/n9/r/n分析天平/r/nSJ/r/n1/r/n天津/r/n2013/r/n10/r/n激光指向仪/r/nYBT/r/n2/r/n北京/r/n2013/r/n11/r/n磅秤/r/n500kg/r/n1/r/n徐州/r/n2013/r/n12/r/n回弹仪/r/nHT/r/n225A/r/n1/r/n山东/r/n2013/r/n13/r/n砼强度检测仪/r/nSHJ-30/r/n1/r/n北京/r/n2013/r/n14/r/n砼取样钻机/r/nHZ-15/r/n1/r/n杭州/r/n2013/r/n15/r/n锚喷质量检测仪/r/nMPJ-8/r/n1/r/n山东/r/n2013/r/n16/r/n锚杆探测仪/r/nMT-2/r/n1/r/n山东/r/n2013/r/n17/r/n便携式瓦检仪/r/nJCB4（A）/r/n20/r/n北京/r/n2013/r/n

/r/n第三章/r/n施工方案的选择/r/n工程施工优选最佳施工方案，实现安全、快速、质优为目的。最大限度地推广采纳新技术、新工艺、新材料、新设备，严格按照ISO9001国际质量治理体系、ISO14001环境治理体系及GB/T28001职业健康安全治理体系运行，确保工程施工的每一个时期、每一个环节、每一道工序都处于受控状态，确保工程质量。/r/n依照井筒的技术特征及工程、水文地质，为加快井筒施工速度，井筒施工采纳短段掘砌，四班制滚班作业。采纳“四大一深”工艺进行施工，即“大绞车”、“大吊桶”、“大抓岩机”、“大模板”和“中深孔爆破”。/r/n详见表3-1立井施工机械化配套方案。/r/n一、/r/n井筒/r/n十字基桩/r/n、/r/n稳绞基础施工/r/n及工广/r/n回填施工方案/r/n井口及生活区工广占地范围内回填/r/n工程，/r/n采纳矸石/r/n进行/r/n分层压实。/r/n井筒十字基桩、/r/n地面稳绞基础按照/r/n施工/r/n设计放线施工，/r/n测量人员/r/n在地面/r/n标号/r/n十字基桩/r/n及稳绞基础位置后，立/r/n模/r/n浇筑/r/n混凝土/r/n。/r/n井筒十字基桩、/r/n临时锁口/r/n水平面与设计标高+25.6m一致。/r/n二、/r/n冻结/r/n表土/r/n及风化基岩段/r/n施工方案/r/n冻结段采纳在井筒中布置/r/nPC60/r/n挖掘机/r/n、/r/nHZ-6/r/n型/r/n中心回转抓岩机挖土装罐，配以人工用铁锹、高效风铲、B87型气动破裂机掘进刷帮、两套单钩提升、金属整体模板砌筑外壁。内壁施工采纳/r/n拼块/r/n模/r/n板/r/n砌筑，底卸式吊桶下放混凝土。/r/n三/r/n、/r/n井筒/r/n基岩段施工方案/r/n采纳钻爆法掘进/r/n，/r/n伞钻钻眼/r/n、/r/n中深孔爆破，中心回转式抓岩机装岩出矸，采纳液压挖掘机（防爆电机型）辅助清底，两套单钩提升，整体金属模板砌壁，底卸式吊桶下放/r/n混凝土/r/n。/r/n四/r/n、与井筒相连接的相关工程施工方案/r/n与井筒相连接的相关工程包括马头门及相关硐室等。这些工程均采纳一般钻爆法掘进，随井筒掘砌一并施工，井筒与井底车场连接处的施工，可利用耙矸机耙矸，将破裂矸石先耙入井筒内，再由抓岩机配合吊桶出矸；利用钢木组合模板砌筑。/r/n

/r/n表3-1/r/n东回风井/r/n施工机械化配套方案/r/n序号/r/n项目/r/n施工设备配套方案/r/n1/r/n井筒直径、深度/r/n井径/r/n7.0/r/nm，/r/n井筒/r/n深度/r/n10/r/n35.6/r/nm/r/n2/r/n作业方式/r/n混合作业/r/n3/r/n凿岩机钻架/r/nSJZ/r/n-/r/n6/r/n.1/r/n0/r/n型伞钻/r/n（配YGZ-70风钻/r/n6/r/n部）/r/n4/r/n抓岩机/r/nHZ-6/r/n型/r/n中心回转抓岩机/r/n2/r/n台/r/n；/r/nPC60/r/n挖掘机/r/n1台/r/n辅助/r/n出矸、/r/n清底/r/n5/r/n主提升机/r/n2JKZ-4.0×2.65/15/r/n一台/r/n6/r/n副提升机/r/nJKZ-3.2×3/18/r/n一台/r/n7/r/n提升吊桶/r/n主提升使用/r/n6/r/n/5/r/nm/r/n3/r/n吊桶/r/n（/r/n90/r/n0/r/nm更换为/r/n5/r/n.0m/r/n3/r/n吊桶/r/n，/r/n主提/r/n下放伞钻/r/n）；/r/n副提升/r/n使用5/r/n/4/r/nm/r/n3/r/n吊桶（/r/n85/r/n0/r/nm更换为/r/n4/r/n.0m/r/n3/r/n吊桶/r/n）；主/r/n提升/r/n使用/r/n4//r/n3/r/nm/r/n3/r/n底卸式/r/n吊桶/r/n，副提/r/n升使用3/r/nm/r/n3/r/n底卸式吊桶/r/n8/r/n凿井井架/r/nV型凿井井架/r/n9/r/n凿井稳车/r/nJZ/r/n-25/r/n/1/r/n3/r/n00/r/n十一/r/n台/r/n（/r/n吊盘六台/r/n、模板三台、风水管悬吊绳两台/r/n）/r/n；JZ-10//r/n800/r/n两/r/n台/r/n（/r/n放炮电缆/r/n、/r/n排水/r/n电缆/r/n各一/r/n台）/r/n；/r/nJZ-16//r/n10/r/n00/r/n二/r/n台/r/n（/r/n抓岩机/r/n）/r/n；/r/nJZ/r/nA/r/n-5/1000一台（安全梯）/r/n10/r/n砌壁/r/n外壁模板/r/nMJY-/r/n7/r/n.0/r/n/3./r/n6/r/n型整体液压金属模板/r/n内壁模板/r/n拼块模板/r/n搅拌机/r/nJS-1/r/n5/r/n00型搅拌机两台，PLD/r/n-1600A/r/n配料系统两套/r/n11/r/n排水泵/r/n吊盘上布置/r/nMD35/r/n-1/r/n1/r/n0×10/r/n卧泵排水。/r/n12/r/n通风/r/n采纳FBD-Ⅱ-NO/r/n8.0/r/n型/r/n2×55/r/nkw对旋式风机，/r/n一/r/n路/r/nФ/r/n1000mm/r/n胶质/r/n风筒/r/n（/r/n封口盘悬吊/r/n）/r/n；/r/nFBD-Ⅱ-NO/r/n7.1/r/n型2×/r/n30/r/nkw对旋式风机/r/n，/r/n一路/r/nФ/r/n8/r/n00mm/r/n的玻璃钢风筒/r/n（/r/n井壁/r/n固定）/r/n。/r/n13/r/n通信、信号操纵台/r/nKJTX-SX-1型1套/r/n14/r/n照明设备/r/nDd250/127型2台/r/n15/r/n测量/r/n全站仪、经纬仪、水准仪/r/n，比长钢尺（1200m）/r/n16/r/n翻矸方式/r/n自动卸矸/r/n17/r/n防水排水/r/n当基岩段涌水量大于/r/n10m/r/n3/r/n/h时，采取注浆、封水治水措施/r/n，/r/n18/r/n揭煤施工/r/n在/r/n井筒中布置Ф/r/n325/r/n×/r/n8/r/nmm瓦斯抽放管路，使用抽排法揭煤/r/n，/r/n管路在井壁上固定/r/n。/r/n

/r/n第四章/r/n施工工艺/r/n施工中以人为本，发挥人才优势，推动技术进步，组织科研攻关小组，积极配合支持院校和科研单位搞好科技攻关，克服施工技术难题。加强治理，采取激励机制，提高劳动者的积极性，提高职工操纵机械设备的熟练程度，确保/r/n施工作业/r/n正规循环，/r/n同时/r/n提高劳动效率，加快施工速度。加强机电设备维护治理，实行定人定岗维修，使设备处于100%完好状态。严把材料进货验收关，杜绝不合格产品入/r/n场/r/n。采纳新工艺、新技术、新设备、新材料，严格按照ISO9001国际质量治理体系、ISO14001环境治理体系及GB/T28001职业健康安全治理体系运行，确保工程施工的每一个时期、每一个环节、每一道工序都处于受控状态，确保工程质量。/r/n一、采纳“四新”加快施工速度/r/n1、新工艺/r/n冻结/r/n及风化基岩/r/n段使用/r/nPC60/r/n挖掘机/r/n挖土装罐/r/n；/r/n基岩段施工采纳/r/nSJZ/r/n-/r/n6/r/n.1/r/n0/r/n型伞钻，/r/nHZ-6/r/n抓岩机/r/n出矸/r/n，使用PC60挖掘机辅助清底/r/n；MJY型整体金属大模板、大吊桶、大绞车、座钩式自动翻矸、自卸汽车排矸等配套的机械化作业新工艺。/r/n2、新技术/r/n3、新材料、新设备/r/n采纳/r/n2JKZ-4.0×2.65/15/r/n、/r/nJKZ-3.2×3/18/r/n新型凿井专用绞车、/r/n6/r/nm/r/n3/r/n大吊桶、/r/nG1/r/n8/r/nt新型钩头，/r/nφ/r/n3.5m新型天轮，/r/n全新设计的/r/n高强度/r/n整体/r/n拼块/r/n模板/r/n套壁/r/n、/r/n新型抗冻早强剂，/r/n二/r/n、临时锁口的施工/r/n及井筒试挖/r/n1、井筒试挖/r/n把井筒施工所必要的临时工程和凿井设备设施安装等工作全部完成后，再依照冻结实际情况，适当选择井筒开挖时机，一般认为在水文观测孔的各层水位均已有规律的上升并冒水，最后一层水位持续溢出水7天后并保持稳定，测温孔温度降至设计要求值，证实冻结壁已全部交圈，且浅部的冻结壁厚度和强度足以抵抗预挖深度的地压以及能保证施工的连续性，即可进行试挖。通过试挖核实冻结壁已具有一定的厚度和强度，能适应井筒正式施工要求，且凿井设施及地面辅助系统均已预备完毕，方可进行开挖。/r/n井筒试挖时期，掘砌段高不大于2./r/n5/r/nm，以不片帮为原则。/r/n试挖段施工，以挖掘机挖掘为主，人工为辅。在/r/n土层掘进时挖掘由井中向周边扩展，利用在井中挖超前小井，集控静积水，台阶式挖掘以防井帮塌落。/r/n试挖结束前应将大模、刃脚、吊盘、中心回转大抓、压风管等悬吊设备吊挂整齐，/r/n25/r/nm/r/n试挖结束后即可预备正式开挖。/r/n2、锁口施工/r/n在施工预备期内，在凿井井架安装完毕后，将井筒施工用天轮平台、翻矸系统等悬吊设施安装完毕。提升绞车、凿井绞车等井筒施工要紧设备及其它施工辅助系统平行施工，确保在试挖前完成筹备。/r/n吊盘在井筒开挖前即悬吊在/r/n井口/r/n上方，/r/n先期作为爱护盘，/r/n待开挖达到吊盘安装深度后，进行封口盘的铺设工作。然后安装各种悬吊设备、管线及其它凿井设施，转入井筒施工时期。/r/n回风井临时锁口施工时，封口盘钢梁坐于井筒外壁上，外壁上口标高依照封口盘钢梁总高及封口盘上面标高确定。封口盘钢梁/r/n布置好后，在钢梁间隔处用红砖砌实，砖墙厚度与外壁厚度一致。外壁/r/n竖向钢筋留够搭接长度，便于下一步施工时钢筋搭接。/r/n表土挖掘采纳人工配风镐挖掘，用装载机将土石转运至指定堆放场地。临时锁口砌筑混凝土时，采纳/r/n整体金属模板立模/r/n，搭设平台人工翻灰砌壁。安装临时锁口封口盘时，严格按照封口盘设计图施工。/r/n3/r/n、/r/n风道口施工/r/n风道口与临时锁口/r/n、冻结沟槽/r/n一并施工/r/n。/r/n风/r/n道/r/n口上口标高为+24.449m，下口标高为+13.833m，净宽为6000mm，净高1/r/n0.616/r/nmm,预留口采纳槽钢碹骨配5mm厚钢板进行封堵。水平钢碹骨采纳［20槽钢，间距800mm；垂直槽钢采纳［10槽钢，间距500mm，且与水平槽钢满焊；风硐预留口两侧采纳［10槽钢/r/n间距/r/n500mm配5mm厚铁板封堵，并采纳/r/nL/r/n50角钢/r/n间距/r/n600mm作为斜撑与槽钢封堵骨架焊接。/r/n为增强防水性，在钢支撑与岩体间，增加300mm厚素混凝土/r/n井壁/r/n加强支护。/r/n三、井筒冻结段施工/r/n（一）冻结表土段/r/n掘砌/r/n依照井筒穿过的地层地质及井筒技术特征，采取综合措施通过/r/n粘土/r/n层，在保证施工安全、质量的前提下，把握有利时机，组织快速施工。/r/n1、/r/n掘进：冻结土层采纳人工用铁锹、高效风铲、B87型气动破裂机掘进刷帮，/r/nPC60/r/n挖掘机装土，/r/nHZ-6/r/n型中心回转抓岩机装岩。若挖掘时围岩稳定性较差，/r/n掘砌段高严格操纵在/r/n2.5m/r/n内，并减少围岩暴露时刻，/r/n可先在井中挖掘超前小井，再由井中向周边扩展，台阶式挖掘，立模前井壁欠挖部分必需用风镐刷至设计的井帮荒径，并将井壁底部浮矸清理洁净。/r/n开挖时应严格操纵冻结壁径向位移/r/n量/r/n小于或等于/r/n50mm/r/n，循环作业时刻符合规范要求/r/n。/r/n2、/r/n提升/r/n悬吊装置及/r/n安全/r/n监控/r/n：/r/n东回/r/n风井/r/n井筒施工主提升采纳/r/n2JKZ-/r/n4/r/n×/r/n2.65/15/r/n绞车，副提升采纳/r/nJKZ-3.2×3/18/r/n绞车，/r/n主提/r/n一套单钩/r/n6/r/n.0m/r/n3/r/n吊桶/r/n、副提配一套5.0/r/n/r/nm/r/n3/r/n提升矸石、下放物料。/r/n吊桶将矸石提升至翻矸平台，通过翻矸台主、副溜槽将矸石倒至地面，然后用ZL-50装载机将土石装/r/n入/r/n自卸汽车转运至指定堆放场地。/r/n提升绞车使用PLC/r/n操纵器，车房配备实时显示监控吊盘位置的工控机画面，配备吊桶接近吊盘时的语音提示或报警。上下井口及车房提升信号装置是带有PLC操纵器及数字显示的本质安全型信号装置。/r/n井筒施工做到可视化，井口、绞车房、工作面、翻矸台等重要场所配备监控装置。/r/n提升悬吊装置在天轮平台上配备压力传感器，实时监控悬吊荷载情况，若超过规定值提示报警，防止悬吊稳车提升时发生过载现象。/r/n3、/r/n砌壁：按照设计半径绑扎钢筋，每循环帮扎完后，整体找线并固定牢固，绑扎时必须保证钢筋与井壁之间的混凝土爱护层达到设计值，钢筋绑扎应保证横平竖直且不得出现缺扣松扣，钢筋上有泥土时必须用钢刷清理洁净/r/n，钢筋绑扎时跟班技术员监督检查，确保钢筋按规范绑扎，钢筋间排距、爱护层厚度、搭接长度/r/n均符合规范同意偏差范围。/r/n依照地层条件不同，/r/n井壁采纳2.5m/r/n~/r/n3./r/n6/r/nm/r/n高MJY整体金属模板砌筑/r/n（深厚粘土层施工时段高/r/n严格操纵在/r/n2.5m/r/n内/r/n）/r/n，配以/r/n0.3m/r/n高环形斜面接茬模板浇筑混凝土，采纳底卸式吊桶下放混凝土，经放置在吊盘上的分灰器浇进模板，分层振捣，实行短段掘砌平行混合作业。施工过程中，要严格按照设计、规范要求，选择合理配合比和外加剂品种及掺量，配制出符合设计要求的/r/n混凝土/r/n。/r/n混凝土/r/n浇筑时要按规定留取/r/n混凝土/r/n试块，/r/n同等/r/n条件下养护28天做抗压强度试验，/r/n同时及时按规定做好砂、石、水泥、外加剂等原材料送检工作，/r/n并保存好资料。/r/n混凝土入模温度/r/n应操纵为/r/n不低于/r/n15/r/n℃/r/n，/r/n4、/r/n采取综合措施施工较厚粘土层/r/n关于较厚粘土层，采取综合治理措施，应加强粘土层的冻结；要缩短段高，/r/n段高严格操纵在/r/n2.5m/r/n内，/r/n快速掘砌，/r/n减少粘土暴露时刻，/r/n使用高性能/r/n混凝土/r/n砌壁，并在/r/n混凝土/r/n中掺入抗冻型高效减水早强剂。/r/n在粘土层施工时，先挖超前小井，释放压力，然后沿周边均匀对称开帮。对较厚粘土层应及时测定井帮的位移量。当变形过快或膨胀量较大时，在外壁与井帮间增铺聚苯乙烯泡塑板，或架设/r/n型钢井圈/r/n、背板作临时支护。同时将砌壁模板高度调整/r/n缩短为/r/n2.5m/r/n，/r/n加快掘砌施工进度，把每段高施工循环时刻操纵在20h以内，以缩短粘土暴露时刻，减少粘土膨胀量确保冻结管的安全。为增强井壁早期强度，浇筑/r/n混凝土/r/n时掺入抗冻型高效减水早强剂，增强/r/n混凝土/r/n的早期强度，以抵抗冻胀压力。依照我们在华东地区山东、安徽两省施工的含较厚粘土层的多对井筒的观看，粘土冻胀力一般在三天后开始明显显现，模板刃角处井壁与粘土层中的泡沫塑料板厚度才明显被挤压减少。如此粘土的冻胀力在施工的前三天由泡沫塑料板的被压缩部分“释放”和减速缓，三天后井壁/r/n混凝土/r/n强度达到设计强度，能够抵抗粘土层冻胀力。/r/n（/r/n二/r/n）/r/n、/r/n过冻结风化基岩段施工/r/n当井筒掘进进入冻结基岩风化带后，风镐风铲挖掘困难时，需采取钻爆法施工。/r/n采纳/r/nSJZ/r/n-/r/n6/r/n.1/r/n0/r/n型伞型钻架打眼，配/r/n6/r/n台YGZ-70型独立回转凿岩机。为防止爆破震动损坏冻结管，可采取操纵装药量、减少装药时刻等措施，爆破采纳/r/n三级水胶炸药/r/n，炮眼深度不得大于/r/n4.0m/r/n。选用B25×/r/n4700mm/r/n中空六角钻杆，/r/nΦ/r/n55mm/r/n十字型合金钢钻头。/r/n8#煤矿许用/r/n毫秒/r/n延期/r/n电/r/n雷管/r/n铜脚线长6.0m（1-5）/r/n段，/r/n专用起爆器/r/n起爆。打眼时要严格按照爆破图表认真找线，分片包干，定/r/n人/r/n定钻，做到“准、直、齐”，坚持光面光底弱冲减震爆破技术。/r/n打周边眼时要依照各段冻结管的偏斜图合理布置炮孔，确保炮孔与冻结管有一定安全距离。/r/n放炮前要通知冻结站，认真观测冻结管路及盐水循环状态。放炮后应先检查盐水箱水位及井帮有无泄漏盐水现象，特不要检查靠近井帮的冻结管情况，当确定无损坏时，再恢复掘进施工。采取钻爆法过冻结基岩风化带施工时，必须专门编制施工安全技术措施、报批后再实施。/r/n外壁砌筑时，当岩石较破裂时，经设计单位及甲方同意后，可适当增加壁厚或采取/r/n架设型钢井圈、背板作临时/r/n支护。/r/n（三）壁座及混凝土支撑圈浇筑/r/n壁座及混凝土支撑圈共1/r/n5/r/nm，永久支护前先采纳锚网喷/r/n一次/r/n支护，锚杆规格Φ/r/n22/r/n×2400/r/nmm/r/n，间排距800×800/r/nmm/r/n，喷厚50/r/nmm/r/n。永久支护采纳/r/n拼块模板砌壁/r/n，砼用DX/r/n-3m/r/n3/r/n（/r/n四/r/n）内壁浇筑/r/n1、施工方案/r/n井筒掘砌施工至累深-/r/n413.4/r/nm停止外壁混凝土浇筑支护，按设计外壁进行锚网喷/r/n一次/r/n支护，一直掘进到累深-/r/n428.4/r/nm（井壁支撑圈底部）找平工作面，绑扎钢筋，依照设计尺寸组装拼块模板。支撑圈（-/r/n428.4/r/nm～-/r/n426.4/r/nm）、壁座段（-/r/n426.4/r/nm～-/r/n413.4/r/nm）及井筒内壁段（-/r/n413.4/r/nm～/r/n+13.833/r/n）施工依次采取钢筋绑扎、模板组装、浇筑混凝土和拆模板等施工工序作业，采纳/r/n1.2m/r/n高强组合式金属模板（模板强度需经验算并符合规范要求），自下而上一次性连续砌筑/r/n。在吊盘上层盘安设分灰器，用于下灰分灰施工，混凝土采纳底卸式吊桶运输，利用凿井吊盘上层盘除去外壁表面冰霜，按设计要求敷设两层/r/n1.5mm/r/n聚乙烯塑料板；在吊盘下层盘绑扎钢筋、组装模板、浇筑振捣混凝土；在吊盘下增加辅助盘用于模板拆除、洒水养护施工。混凝土严格按照配合比进行拌制，坍落度、混凝土初凝、终凝时刻按要求进行试验，并符合规范要求。/r/n2、模板组装/r/n施工中使用凿井吊盘的下层盘做为组装模板的工作盘。每块模板在组装前必须进行涂抹隔离剂，以保证井壁质量及拆卸方便。每浇筑完一套模板后，首先将上沿的混凝土清除洁净，组装模板时，从一个方向按编号顺序组装，要将每一块模板均要用井筒中心线进