标准编号:	GB/T 50511-2022
中文名称:	煤矿井巷工程施工标准
英文名称:	Standard for construction of shaft sinking and drifting of coal mine
行业分类:	GB    国家标准
发布机构:	中华人民共和国住房和城乡建设部
发布日期:	2022-10-21
实施日期:	2023-2-1
标准状态:	现行
替代旧标准:	GB 50511-2010 煤矿井巷工程施工规范
翻译语言:	英文
文件格式:	PDF
中文字符数:	111000 字
翻译价格(元):	7770.00 元
交付时间:	付款后 1~5 个工作日

1 General Provisions

1.0.1 To unify the technical requirements for the construction of coal mine shaft engineering, to ensure construction safety and quality, and promote the development of coal mine shaft construction, the development of this standard. 1.0.2 This standard applies to the construction of coal mine shaft engineering.

1.0.3 coal mine shaft engineering contract and engineering technology documents on the construction quality requirements shall comply with the provisions of this standard.

1.0.4 The construction of coal mine shaft engineering should implement modern scientific management, the implementation of green construction

Work, and constantly improve the management level.

1.0.5 The construction of coal mine shaft engineering should actively promote the application of mature new technologies, new techniques, new equipment and new materials.

1.0.6 Materials, equipment and components used in construction shall conform to the design and product quality standards, and shall have a certificate of conformity.

1.0.7 Technical files should be established in the construction of the project, and should do a good job of various test records, concealed works records, quality inspection records and completion of the project drawings and other documents and information collection, collation. Construction summary should be done when the project is completed, the completion data should be true, complete and complete.

1.0.8 The construction of coal mine shaft project shall comply with the standard, in addition to the provisions of the relevant national standards.



2 Terminology

2.0.1 construction organization designconstruction organization design guide the construction of coal mine shaft engineering systemic technical documents.

2.0.2 constructionaloperating rules

According to the construction organization design, combined with the specific engineering geology and hydrogeology conditions and other technical documents for guiding the construction of the project.

2.0.3 technicalmeasures of construction

Used to assist the production system of sporadic engineering construction or in construction conditions change when the construction operating procedures to supplement the technical documents prepared.

2.0.4 Single operationsingle operation is a way of operation in which the two major processes of excavation and permanent support in shaft engineering are constructed in sequence respectively.

2.0.5 Parallel operation

Parallel operation in which two processes of excavation and permanent support are carried out simultaneously in different spaces.

2.0.6 operation by short section excavationand lining

Shaft construction in the same excavation and lining cycle, short section excavation and permanent support of the two processes alternately for construction, can be without temporary support operations.

2.0.7 Alluvium alluvium

Loose strata overlying stable bedrock

2.0.8 base groove

In the safety structure and other special engineering parts of the surrounding rock in the trench cut perpendicular to the axis of the roadway.



3 Construction preparation

3.1.1 The following preparations should be made before the start of the shaft project.

3.1 General provisions

1 The construction unit organizes the review of mine geological data and inspection hole data, and draws the predicted map of shaft engineering geological plan and profile.

2 construction unit organization to complete the design delivery, and drawings will be reviewed

3 Prepare construction organization design, construction operation procedures, construction technical measures.

4 complete the installation of construction facilities and equipment.

Vertical wells, inclined shafts and flat Dong before the start of work, should also complete the following work.

1) measurement base point transfer, project orientation, site measurement, pile laying, site leveling and obstacle removal. In the construction of multiple units, should be unified coordination, verification of measurement

Measurement results

2) Transportation, water supply and drainage, power transmission, communication, lightning protection, fire prevention, flood prevention and other necessary production, living and auxiliary facilities during construction.

3) vertical shaft locking, inclined shaft and flat open groove and wellhead excavation

Reasonable allocation of resources to ensure continuous construction

Handle the start-up procedures



4 Vertical shaft shaft ordinary method construction

4.1 General regulations

4.1.1 Wellbore construction operation shall comply with the following provisions?

1 Wellbore construction operations should be based on the diameter of the wellbore, depth, geological and hydrological conditions and other factors, after a comparison of technical and economic programs to determine.

2 shaft construction is appropriate to use a short section of digging mixed mode of operation, can also use a single line or parallel mode of operation.

3 vertical shaft to flat road construction before the temporary rewinding of the shaft, transport level below the well nest should be reserved to meet the requirements of the over-release distance, over-release distance requirements should be in line with the relevant provisions of the current national "Coal Mine Safety Regulations".

4.1.2 Well Jane digging pointing method should comply with the following provisions: 1 When the well Jane digging depth is not greater than 300m, laser pointing can be used.

When the borehole digging depth is greater than 300m, shaking into the laser pointing, masonry well wall should be used in the vertical line pointing.

3 special accuracy requirements of the shaft, digging and masonry should be used in the plumb line pointing; 4 when using laser pointing, laser pointing instrument should be regularly calibrated, digging allowable deviation value of ten 15mm, masonry police allowable deviation value of ten 5mm.

4.1.3 The construction arrangement of the room connected with the shaft shall conform to the following regulations.

1 should be well connected with the wellbore bunker room measurement positioning orientation work.

2 with the shaft connected to the ketone room or tunnel, in the construction of the shaft, it is appropriate to dig out at the same time 3m ~ 5m, and should be masonry with the shaft.



5 Special method of vertical shaft construction

5.1 General Provisions

When the vertical well shaft passes through the unstable alluvial layer and water-bearing rock layer, the special method 5.1.1 shall be used for construction.

5.1.2 The selection of special construction methods shall be based on geology, hydrogeology, wellbore characteristics, construction technology and equipment and other comprehensive factors, determined by technical and economic analysis and comparison.

5.1.3 Wellbore sections constructed by special methods shall conform to the following provisions.

1 freezing method of construction of the wellbore section, freezing section is not greater than 400m, the water volume should not be greater than 0.5m / h, freezing section is greater than 400m, the increase in water leakage per 100 meters should not be greater than 0.5m * / h.

2 borehole section constructed by drilling method, the water leakage should not be greater than 0.5m/h.

3 After ground pre-grouting, the water leakage should not be greater than 6.0m/h when the grouting section of the wellbore is less than 600m; when the grouting section is greater than 600m, the increase in water leakage should not be greater than 1.0m'/h per 100m; 4 The well wall should not have concentrated water leakage holes and water holes containing sand. The special method of construction of the shaft, in the alluvial layer shall not be reserved or after cutting beam 5.1.4 nest. Installation of well beams should be anchored by anchor rods or other methods that do not damage the well wall. The depth of anchor rods in single-layer well walls should not exceed 3/5 of the well wall thickness, and the depth of wrong rods in double-layer wells should not exceed 4/5 of the inner well wall thickness.

5.2 Freezing method construction

5.2.1 The freezing method can be used in complex formations such as unstable alluvium, loose rock formations, and bedrock aquifers.



6 Extension and recovery of vertical wellbore

6.1 General Provisions

6.1.1 Before extending the depth of the wellbore, the following information shall be obtained.

1 original longitudinal and cross-sectional diagrams, wall structure diagrams, well equipment diagrams, well diagrams and the connection of the bottom of the well yard, and the bottom of the yard plan, section and slope diagrams.

2 mine hoisting and transportation, power supply, drainage, air pressure, ventilation and other equipment capacity and systems

3 need to extend the depth of the shaft related geological, hydrological information and related design documents

6.1.2 The top-down construction method can be used to extend the depth of the wellbore. When conditions allow, it is appropriate to use the bottom-up construction method, and it is appropriate to use the reverse well drilling rig construction. When brushing and expanding support from top to bottom, measures should be taken to prevent blockage of guide holes.

6.1.3 It is appropriate to use the existing facilities of the mine for the shaft extension project, and the facilities used shall meet the requirements of operational safety.

6.14 extension of the center of the shaft Jane and cross-line calibration should comply with the following provisions: when using the protection of rock column protection, to the rock column below the center of the shaft and cross-line transfer process, two wire measurements of the center of the shaft Jane allowed mutual difference should be 20, the calibration value should be taken as its average; two measurements of the cross-line orientation allowed mutual difference should be 2, and the allowable deviation of the design orientation should be Shi 1', the calibration value should be taken as its average.

2 when using artificial protection plate protection, before the construction of the protection plate should be transferred to the center of the shaft and crosshairs below the protection plate, and the allowable deviation of the center of Jane should be 10mm, and the allowable deviation of the crosshair orientation should be 1'.

6.1.5 When the extension project is completed, the abandoned temporary roadway, room should be closed or filled with plugging





7 Inclined shaft and flat towers construction

7.1 General provisions

7.1.1 inclined shaft, flat towers construction program should be selected in accordance with the following provisions: should be a reasonable choice of rock drilling, drainage, lifting, transportation, support and other equipment supporting the way.

2 construction program should be based on the project section, length, slope, support form, geological and hydrological conditions, construction schedule and other factors, through a comprehensive technical and economic program to determine after comparison.

7.1.2 The row research and transportation of the slope pindone shall conform to the following regulations.

1 slope less than 8 ° inclined shaft and flat transport should use trackless rubber wheel transport equipment

Equipment, flat ketone can also be used motor car traction mine car or shuttle transport; 2 slope greater than or equal to 8 slope shafts should be used for rail transport, should be arranged skip and mine car two sets of lifting system, and two sets of lifting system should have independent signal device.

3 inclined shaft, flat ketone construction of rock loading equipment can be used to put the bucket rock loader, can also be used to digging bucket slag loader, shovel loader, side discharge rock loader, the choice of rock loading equipment should meet the requirements of the operating environment and supporting transport conditions.

4 from the working face or transfer station to the ground using the tracked way to row research, it is appropriate to set up a floor-type research stone bin or directly into the row research car at an appropriate location near the wellhead, using the trackless way can be transported directly to the designated place row research.

7.1.3 inclined shafts and ketones should be used in parallel operation construction, and should develop safety technical measures.



8 Roadway construction

8.1 General provisions

8.1.1 The mechanized operation line of flat roadway shall conform to the following provisions.

1 should be based on the nature of the roadway surrounding rock, length, section, construction plans and other program supporting the demonstration, rock drilling, rock loading, shunting, transportation, support and other major processes should be mechanized operations.

2 should obtain reasonable technical and economic indicators.

3 mechanical capacity and performance of each process should be coordinated with each other.

4 supporting equipment selection should be compatible with the mine transportation system, power supply, pressure, air supply and other auxiliary systems, equipment configuration capacity should be sufficient.

8.1.2 The construction of flat road shall conform to the following regulations.

1 The distance between permanent support and digging working face, when using wrong spray for permanent support, should follow the digging working face, the distance between permanent support and digging working face should not be more than 50m for artillery digging, and not more than 100m for machine digging, when using masonry support, should have temporary support, and temporary support should follow the working face.

2 Permanent ditch should not be more than 100m from the digging working face.



9 Concealed shaft and ketone chamber construction

10 Auxiliary work

11 Green construction

Appendix A Classification of Hydrogeological Conditions of Mine Shafts Rock Stability Classification

Appendix B Classification of rock formation stability

Explanation of terms used in this standard

List of referenced standards

1 General Provisions
2 Terminology
3 Construction preparation
4 Vertical shaft shaft ordinary method construction
5 Special method of vertical shaft construction
6 Extension and recovery of vertical wellbore
7 Inclined shaft and flat towers construction
8 Roadway construction
9 Concealed shaft and ketone chamber construction
10 Auxiliary work
11 Green construction
Appendix A Classification of Hydrogeological Conditions of Mine Shafts Rock Stability Classification
Appendix B Classification of rock formation stability
Explanation of terms used in this standard
List of referenced standards

1 总则
1.0.1 为统一煤矿井巷工程施工技术要求,保证施工安全和质量,促进煤矿井巷建设的发展,制定本标准。1.0.2本标准适用于煤矿井巷工程的施工。
1.0.3 煤矿井巷工程承包合同和工程技术文件对施工质量的要求应符合本标准的规定。
1.0.4 煤矿井巷工程施工应实行现代化科学管理,实施绿色施
工,不断提高管理水平。
1.0.5煤矿井巷工程的施工应积极推广应用成熟的新工艺、新技术、新设备、新材料。
1.0.6 施工所用的材料、设备和构件,应符合设计规定及有关产品质量标准，并应具有合格证明。
1.0.7 工程施工中应建立技术档案,并应做好各种测试记录、隐蔽工程记录、质量检查记录和竣工工程图纸等文件资料的收集、整理正作。工程竣工时应做好施工总结,竣工资料应真实、齐全和完整。
1.0.8 煤矿井巷工程的施工除应符合本标准外，尚应符合国家现行有关标准的规定。

2术语
2.0.1施工组织设计construction organization design指导煤矿井巷工程施工的系统性技术文件。
2.0.2施作业规constructionaloperating rules
依据施工组织设计,结合具体的工程地质及水文地质等条件进行编制并用于指导工程施工的技术文件。
2.0.3施技术措施technicalmeasures of construction
用于辅助生产系统的零星工程施工或在施工条件发生变化时对施工作业规程进行补充而编制的技术文件。
2.0.4 单行作业single operation井巷工程中的掘进与永久支护两大工序分别顺序施工的作业方式。
2.0.5平行作业paralleloperation
并巷工程中的掘进与永久支护两大工序在不同的空间内同时进行施工的作业方式。
2.0.6 短段掘砌作业operation by short section excavationand lining
井巷工程施工在同一掘支循环内,短段掘进与永久支护两大工序交替进行施工,可不用临时支护的作业方式。
2.0.7 冲积层alluvium
覆盖于稳定基岩之上的松散地层
2.0.8基槽base groove
在安全构筑物等特殊工程部位的围岩中开凿的垂直于巷道轴线的沟槽。

3施工准备
3.1.1 井巷工程开工前应做好下列准备工作:
3.1般规定
1 建设单位组织审查矿井地质资料和检查孔资料，并绘制井巷工程地质平、剖面预测图。
2建设单位组织完成设计交底,并进行图纸会审
3编制施工组织设计、施工作业规程、施工技术措施。
4完成施工设施及设备的安装。
立井、斜井和平侗开工前,尚应完成下列工作:
1)测量基点移交，工程定向,场地测量，基桩埋设，场地平整及障碍物拆迁。在多家单位施工时,应统一协调、核实测
量成果
2)施工期间的交通运输、给排水、输变电、通信、防雷、防火、防洪涝等工程及必要的生产、生活、辅助设施;
3)立井锁口、斜井和平的明槽及井口掘砌
合理配置资源，确保连续施工。
办理开工手续

4 立井井筒普通法施工
4.1一般规定
4.1.1 井筒施工作业方式应符合下列规定?
1 井筒施工作业方式应根据井筒直径、深度、地质水文条件等因素,经过技术经济方案比较后确定;
2 井筒施工宜采用短段掘砌混合作业方式，也可采用单行或平行作业方式;
3 立井转平巷施工前进行临时改绞的井筒，运输水平以下应预留满足过放距离要求的井窝，过放距离要求应符合国家现行《煤矿安全规程》的有关规定。
4.1.2 井简掘指向方式应符合下列规定:1 当井简掘砌深度不大于 300m 时,可采用激光指向;
当井筒掘砌深度大于300m 时，摇进可采用激光指向，砌筑井壁应采用中垂线指向;
3有特殊精度要求的井筒,掘砌均应采用中垂线指向;4 当采用激光指向时,应定期对激光指向仪进行校验，掘进允许偏差值为十15mm，砌警允许偏差值为十5mm。
4.1.3与井筒相连确室的施工安排应符合下列规定:
1 应做好与井筒相连碉室的测量定位定向工作;
2与井筒相连的酮室或巷道,在井筒施工时，宜同时掘出 3m~5m,并应与井筒一起砌筑。

5 7立井井筒特殊法施工
5.1一般规定
立井井筒穿过不稳定冲积层及含水岩层时，应采用特殊法5.1.1施工。
5.1.2 特殊施工方法的选择应根据地质、水文地质、井筒特征、施工技术装备等综合因素,经技术经济分析比较后确定。
5.1.3 采用特殊法施工的井筒段，应符合下列规定:
1 冻结法施工的井筒段，冻结段不大于 400m 时，水量不应大于0.5m/h,冻结段大于400m时,每百米漏水增加量不应大于0.5m*/h;
2 钻井法施工的井筒段,漏水量不应大于 0.5m/h;
3 地面预注浆后，井筒注浆段小于600m 时，漏水量不应大于6.0m/h;注浆段大于600m 时,每百米漏水增加量不应大于 1.0m'/h;4 井壁不应有集中漏水孔和含砂的水孔。采用特殊法施工的井筒,在冲积层中不得预留或后凿梁5.1.4窝。井梁的安装应采用锚杆固定或其他不破坏井壁的方法。单层井壁的锚杆深度不应超过井壁厚度的 3/5,双层井的错杆深度不应超过内层井壁厚度的4/5。
5.2 冻结法施工
5.2.1 冻结法凿井可用于不稳定冲积层、松软岩层、基岩含水层等复杂地层。

6 立井井筒的延深和恢复
6.1一般规定
6.1.1 井筒延深前,应取得下列资料:
1 原有的纵、横断面图,井壁结构图,井简装备图,井简与井底车场连接部图,并底车场平面、剖面及坡度图;
2矿井提升运输、供电、排水、压风、通风等设备能力和系统
图,以及可供延深工程利用的设备及其能力;
3 需延深井筒相关的地质,水文资料和有关设计文件
6.1.2 井筒延深可采用自上而下的施工方式。条件允许时,宜采用自下而上的施工方式,并宜采用反井钻机施工。自上而下刷扩支护时,应采取防导孔堵塞措施。
6.1.3 井筒延深工程宜利用矿井已有设施，所利用的设施应满足操作安全的要求。
6.14延深井简中心和十字线的标定应符合下列规定:采用保护岩柱防护时,向岩柱下方转设井筒中心和十字线过程中，两次导线测量测得的井简中心允许互差应为20,标定值应取其平均值;两次测得的十字线方位允许互差应为2,与设计方位的允许偏差应为士1',标定值应取其平均值;
2 采用人工保护盘防护时,在保护盘施工前应将井筒中心与十字线转设到保护盘下方，并简中心允许偏差应为 10mm，十字线方位允许偏差应为 1'。
6.1.5 延深工程竣工时,应对废弃的临时巷道、室进行封闭或填堵


7斜井与平碉施工
7.1一般规定
7.1.1斜井、平碉施工方案的选择应符合下列规定:应合理选择凿岩、排矿、提升,运输、支护等设备的配套方式;
2施工方案应根据工程的断面、长度、坡度、支护形式、地质水文条件、施工进度计划等因素,通过综合技术经济方案比较后确定。
7.1.2 斜井平酮的排研及运输方式应符合下列规定:
1 坡度小于 8°的斜井和平运输宜采用无轨胶轮运输设
备,平酮也可采用电机车牵引矿车或梭车运输;2坡度大于或等于8的斜井应采用轨道运输，宜布置箕斗和矿车两套提升系统，且两套提升系统应各有独立的信号装置;
3 斜井,平酮施工的装岩设备可采用把斗装岩机,也可采用挖斗装渣机、铲装机、侧卸式装岩机，选用的装岩设备应满足作业环境和后配套运输条件的要求;
4 从工作面或转载站到地面采用有轨方式排研时,宜在井口附近适当位置设置落地式研石仓或直接装入排研汽车,采用无轨方式时可直接运往指定地点排研。
7.1.3 斜井和平酮宜采用平行作业方式施工,并应制订安全技术措施。

8巷道施工
8.1一般规定
8.1.1 平巷机械化作业线应符合下列规定:
1 应根据巷道围岩的性质、长度、断面,施工计划等进行方案配套论证,凿岩、装岩、调车、运输、支护等主要工序应实现机械化作业;
2应获得合理的技术经济指标;
3各工序的机械能力与性能应相互协调;
4配套设备的选型应与矿井运输系统、供电、压气、供风等辅助系统相适应,设备配置能力应充足。
8.1.2平巷施工应符合下列规定:
1 永久支护与掘进工作面间的距离，当采用错喷作永久支护时，应紧跟掘进工作面，永久支护与掘进工作面间的距离炮掘不宜大于50m,机掘不宜大于100m，当采用砌支护时,应设临时支护，临时支护应紧跟工作面;
2永久水沟距掘进工作面不宜大于100m。

9暗井和酮室施工
10辅助工作
11绿色施工
附录A矿井水文地质条件分类岩层稳定性分类
附录B
本标准用词说明
引用标准名录