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GB/T 27991-2011: Fundamental technical requirements for sediment measurement and particle size analysis instrument in open channel
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 27991-2011 | English | 299 |
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Fundamental technical requirements for sediment measurement and particle size analysis instrument in open channel
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GB/T 27991-2011
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Standard similar to GB/T 27991-2011 GB/T 27992.3 GB/T 27994 GB/T 27992.1 Basic data | Standard ID | GB/T 27991-2011 (GB/T27991-2011) | | Description (Translated English) | Fundamental technical requirements for sediment measurement and particle size analysis instrument in open channel | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N93 | | Classification of International Standard | 07.060 | | Word Count Estimation | 13,196 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-06-01 | | Quoted Standard | GB/T 6005; GB/T 9359-2001; GB/T 18185-2000; GB/T 18522.6; GB/T 19677; GB/T 50095; SL 07-2006 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 of 2011 | | 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 tests and questions sediment particle analyzer (hereinafter referred to as the instrument) the terms and definitions, classification, technical requirements, test methods, inspection rules and signs, packaging, transportation, storage and other requirements. This standard applies to rivers, lakes, reservoirs, channels, and sediment tests and particle analysis instrument. | GB/T 27991-2011: Fundamental technical requirements for sediment measurement and particle size analysis instrument in open channel
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Fundamental technical requirements for sediment measurement and particle size analysis instrument in open channel
ICS 07.060
N93
National Standards of People's Republic of China
Sediment tests and particle analysis instruments
The basic technical conditions
Issued on. 2011-12-30
2012-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by the People's Republic of China Ministry of Water Resources.
This standard by the National Standardization Technical Committee hydrological hydrological instruments Technical Committee (SAC/TC119/SC1) centralized.
This standard was drafted. MWR hydrological instruments and geotechnical engineering Instrument Quality Supervision and Testing Center, Nanjing Automation Hydrological Institute
Studies, Hydrology Bureau of the Yellow River Conservancy Commission.
The main drafters of this standard. Li Gang, NIU Zhan, Lu Xu, Liu, Han Jie, Zhao Shen made.
Sediment tests and particle analysis instruments
The basic technical conditions
1 Scope
This standard specifies the test sediment and particle analysis instruments (hereinafter referred to as the instrument) terms and definitions, classifications, technical requirements, test
Methods, inspection rules and signs, packaging, transportation, storage and other requirements.
This standard applies to tests and sediment particles rivers, lakes, reservoirs, channels, and analysis instruments.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Basic dimensions GB/T 6005 Test sieves - Metal wire cloth, perforated plate and electroformed sheet mesh
GB/T 9359-2001 hydrological instruments environmental testing conditions and methods
GB/T 18185-2000 hydrological instruments reliability technical requirements
GB/T 18522.6 hydrologic instruments - Part 6. inspection rules and signs, packaging, transportation, storage and operation manual
GB/T 19677 Terms and symbols for hydrological Instruments
GB/T 50095 standard hydrological basic terminology and symbols
SL07-20006 suspended sediment sampler
3 Terms and Definitions
Terms and definitions GB/T 19677 and GB/T 50095 apply to this document defined.
4 Requirements
4.1 Technical Data
4.1.1 Sediment sampling
4.1.1.1 suspended sediment sampler
Suspended sediment sampler technical parameters required to execute SL07-2006 in Chapter 5.
4.1.1.2 load sediment sampler
According to the structure principle is different, load sediment sampling can generally be divided into pressure sampler and frame (network type) sampler. As applicable to push
Sediment particle size is different, can be divided into sandy and pebble bed load sampler categories. Differential pressure sampler suitable for sampling sand bed. box
Type (network type) sampler suitable for gravel bedload samples. Load sediment sampling main technical parameters in Table 1.
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