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GB/T 21440.1-2008: Instrument for dam monitoring -- Settlement gauge -- Part 1: Hydraulic overflow settlement gauge
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21440.1-2008 | English | 209 |
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Instrument for dam monitoring -- Settlement gauge -- Part 1: Hydraulic overflow settlement gauge
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GB/T 21440.1-2008
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Basic data | Standard ID | GB/T 21440.1-2008 (GB/T21440.1-2008) | | Description (Translated English) | Instrument for dam monitoring -- Settlement gauge -- Part 1: Hydraulic overflow settlement gauge | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P10 | | Classification of International Standard | 07.060 | | Word Count Estimation | 9,930 | | Date of Issue | 2008-02-15 | | Date of Implementation | 2008-05-01 | | Quoted Standard | GB 9969.1; GB/T 17626.5; GB/T 17626.8; GB/T 50279 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.2 (Total No.115) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the settlement gauge plumbing terms and definitions, product classification and composition, technical requirements, test methods, inspection rules and signs, manual, packaging, transport, storage and so on. This section applies to the vertical displacement measurements for settlement gauge pipes and other earth dam safety monitoring of geotechnical engineering. | GB/T 21440.1-2008: Instrument for dam monitoring -- Settlement gauge -- Part 1: Hydraulic overflow settlement gauge
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Instrument for dam monitoring Settlement gauge Part 1. Hydraulic overflow settlement gauge
ICS 07.060
P10
National Standards of People's Republic of China
Instrument for dam monitoring instrument Settlement
Part 1. Water-type settlement gauge
Posted 2008-02-15
2008-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 21440 "dam monitoring instruments settlement gauge" is divided into four parts.
--- Part 1. Water-type settlement instrument;
--- Part 2. Electromagnetic settlement instrument;
--- Part 3. Hydraulic settlement instrument;
--- Part 4. wishbone settlement gauge.
This section GB/T Part of 121,440.
This section proposed by the People's Republic of China Ministry of Water Resources.
This part of the jurisdiction of the People's Republic of China Ministry of Water Resources.
This part mainly drafted by. MWR hydrological instruments and geotechnical engineering Instrument Quality Supervision and Inspection and Testing Center, the National Network Nanjing Automation Institute
Study Institute, Nanjing Hydraulic Research Institute, Nanjing Ministry of Water Resources Hydrological Institute of Automation, Planning and Design Institute of the Yangtze River Survey.
Participated in the drafting of this section. the country's industrial production permit office hydrological instruments and geotechnical engineering Instrument Examination Department.
The main drafters of this section. ZhangYuCheng, Luyou Qing, Guan Ping Hong, Shi Minghua, Zhao Wei.
The drafters of some of the participants. Yuanpu Sheng.
Instrument for dam monitoring instrument Settlement
Part 1. Water-type settlement gauge
1 Scope
This section GB/T 21440 specifies the type settlement gauge pipes terms and definitions, product classifications and composition, technical requirements, test methods,
Inspection rules and signs, instructions, packaging, transportation, storage and so on.
This section applies for the vertical displacement measuring instrument earth dam water sedimentation and other geotechnical engineering safety monitoring.
2 Normative references
The following documents contain provisions which, through reference GB/T 21440 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB 9969.1 Instructions General Industrial Products
GB/T 17626.5 electromagnetic compatibility test and measurement technology surge (impact) immunity test
GB/T 17626.8 Electromagnetic compatibility Testing and measurement techniques - Power frequency magnetic field immunity test
GB/T 50279 Standard for fundamental terms of geotechnical engineering
3 Terms and Definitions
GB/T 50279 and established the following terms and definitions apply to this part of the GB/T 21440 of.
3.1
INSTALLATION earth dam and other geotechnical engineering building and its internal or external surface of the base, which is used to monitor changes in vertical displacement
instrument.
3.2
Communication pipe principle with liquid overflow after connecting pipe ends to maintain the same level of vertical displacement measuring instrument of settlement (3.1).
4 Product Classification and composition
4.1 Categories
Water sedimentation instrument manual measurement points according to their work style and automatic measurement type.
4.2 Composition
Water sedimentation instrument mainly by subsidence probe, piping systems (including into the water, snorkel, drainage and protective tube), water supply systems (including
Tanks, pressure chambers), measurement system (including measuring tube, measuring tape, water dispenser) and other components; automatic measurement of water tube type settlement gauge package should
Including measurement sensors, solenoid valves and control unit and other components.
5 Technical requirements
5.1 Operating Environment
Temperature. -20 ℃ ~ 60 ℃ (Control Unit is -10 ℃ ~ 50 ℃).
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