GB 50996-2014 GB 50996-2014地下水封石洞库施工及验收规范：英文 - 工标库
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GB 50996-2014 GB 50996-2014地下水封石洞库施工及验收规范：英文现行
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中华人民共和国住房和城乡建设部公告
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Announcement of the Ministry of Housing and Urban-Rural Development of the People’s Republic of China
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Foreword
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1 General provisions
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2 Terms
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3 Basic requirements
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4 Construction preparations
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4.1 Construction investigation
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4.2 Technical preparations
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4.3 Sites and temporary works
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4.4 Materials preparation
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5 Construction survey
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5.1 General requirements
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5.2 Ground surface control survey
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5.3 Underground control survey
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5.4 Cross-section survey
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5.5 Breakthrough survey
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5.6 Storage capacity survey
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6 Geological prediction
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7 Open channels,open tunnels and tunnel portal sections
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7.1 Open channels
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7.2 Open tunnels
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7.3 Tunnel portal section
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7.4 Quality acceptance
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8 Excavation
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8.1 General requirements
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8.2 Excavation methods
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8.3 Drilling and blasting
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8.4 Quality acceptance
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9 Muck loading,unloading and transportation
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9.1 General requirements
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9.2 Muck loading,unloading and transportation
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9.3 Quality acceptance
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10 Supporting
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10.1 General requirements
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10.2 Anchor bolts and cables
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10.3 Shotcrete
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10.4 Metal meshes
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10.5 Steel arches
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10.6 Lining
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10.7 Pre-consolidation
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10.8 Quality acceptance
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11 Water curtain system
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11.1 General requirements
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11.2 Construction
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11.3 Water supply to water curtain system
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11.4 Quality acceptance
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12 Shaft construction
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12.1 General requirements
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12.2 Excavation
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12.3 Supporting
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12.4 Quality acceptance
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13 Grouting
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13.1 General requirements
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13.2 Grouting operations
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13.3 Grouting effect inspection
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13.4 Quality acceptance
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14 Ventilation,dust control,compressed-air supply,water supply and power supply
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14.1 Ventilation and dust control
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14.2 Compressed-air supply
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14.3 Water supply
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14.4 Power supply
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15 Drainage
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15.1 General requirements
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15.2 Construction
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16 Shaft equipment and pipeline installation
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16.1 General requirements
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16.2 Shaft lifting system
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16.3 Fabrication and installation of shaft steel structure
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16.4 Coating work
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16.5 Installation of anchor plate,casing pipe support and shaft-bottom cylinder
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16.6 Welding,lifting and installation of casing pipe
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16.7 Installation of inner pipe,pump and auxiliary devices
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16.8 Quality acceptance
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17 Paving and plugging
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17.1 Paving
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17.2 Plugging
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17.3 Quality acceptance
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18 Monitoring and measurement
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18.1 General requirements
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18.2 Measurement items and methods
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18.3 Processing and feedback of measurement data
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19 Safety,environment and health
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20 Project delivery and acceptance
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20.1 General requirements
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20.2 Division of construction quality acceptance units
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20.3 Project construction quality acceptance
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20.4 Procedure and organization of project construction quality acceptance
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Appendix A Main construction methods of underground water-sealing storage cavern
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Appendix B Test and water supply of water curtain system
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Explanation of wording in this code
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List of quoted standards
