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GB/T 21997.1-2008: Instrument for soil test -- Liquid limit device -- Part 1: Casagrande liquid limit device
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21997.1-2008 | English | 209 |
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Instrument for soil test -- Liquid limit device -- Part 1: Casagrande liquid limit device
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GB/T 21997.1-2008
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Standard similar to GB/T 21997.1-2008 GB/T 21978.5 GB/T 21978.2 GB/T 21978.3 Basic data | Standard ID | GB/T 21997.1-2008 (GB/T21997.1-2008) | | Description (Translated English) | Instrument for soil test -- Liquid limit device -- Part 1: Casagrande liquid limit device | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N93 | | Classification of International Standard | 07.060 | | Word Count Estimation | 9,943 | | Date of Issue | 2008-06-17 | | Date of Implementation | 2008-10-01 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 10 of 2008 (total 123) | | 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 soil test instrument dish liquid limit device terminology and definitions, classification and composition, technical requirements, test methods, inspection rules, signs and instructions, packaging, transportation and storage. This section applies to soil test equipment measured liquid limit clay dish liquid limit device. | GB/T 21997.1-2008: Instrument for soil test -- Liquid limit device -- Part 1: Casagrande liquid limit device
---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.
Instrument for soil test Liquid limit device Part 1. Casagrande liquid limit device
ICS 07.060
N93
National Standards of People's Republic of China
Liquid limit soil test equipment tester
Part 1. Dish liquid limit device
Posted 2008-06-17
2008-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 21997 "liquid limit soil test equipment instrument" is divided into two parts.
--- Part 1. Dish liquid limit device;
--- Part 2. cone liquid limit device.
This section is GB/T Part of 121,997.
This part of the People's Republic of China Ministry of Water Resources and focal points.
This part mainly drafted by. MWR hydrological instruments and geotechnical engineering Instrument Quality Supervision and Testing Center, the State Power Company Nanjing
Electric Power Automation Equipment Factory, Nanjing Soil Instrument Co., Ltd., Nanjing Ministry of Water Hydrological Institute of Automation.
The main drafters of this section. a new chapter, Chen Yu, Xu Yue, Wang Changsheng, Bao-liang obtuse.
Liquid limit soil test equipment tester
Part 1. Dish liquid limit device
1 Scope
This section GB/T 21997 specifies the terms and definitions, classifications and structure of soil test equipment in dish liquid limit device composition, technology to
Requirements, test methods, inspection rules, signs and instructions, packaging, transportation and storage.
This section applies to the determination of clayey soil test equipment liquid limit of dish liquid limit device.
2 Normative references
The following documents contain provisions which, through reference GB/T 21997 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/T 191-2008 Packaging - Pictorial signs (ISO 780.1997, MOD)
GB 9969.1 Instructions General Industrial Products
GB/T 15406 geotechnical engineering instrument basic parameters and general technical conditions
GB/T 15464 instrumentation packaging technology
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 21997 of.
3.1
For the determination of cohesive soil liquid limit of the instrument.
3.2
With soil samples containing copper dish fall hit rubber base way to measure cohesive soil liquid limit of the instrument.
4 Classification and structures
4.1 Classification
Different shaft-driven approach is divided into manual dish liquid limit apparatus and electric meter dish liquid limit two kinds.
4.2 structure and composition
Dish liquid limit device mainly by the base, copper plates, connection blocks, brackets, slide plate, shaft, cam, counters, shaft drive mechanism and the designated slot knives
Composition, the structure shown in Figure 1, Figure 2, Figure 3 and Figure 4.
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