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GB/T 21997.2-2008 English PDF

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GB/T 21997.2-2008: Instrument for soil test -- Liquid limit device -- Part 2: Fall cone liquid limit device
Status: Valid
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GB/T 21997.2-2008English209 Add to Cart 3 days [Need to translate] Instrument for soil test -- Liquid limit device -- Part 2: Fall cone liquid limit device Valid GB/T 21997.2-2008

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Basic data

Standard ID GB/T 21997.2-2008 (GB/T21997.2-2008)
Description (Translated English) Instrument for soil test -- Liquid limit device -- Part 2: Fall cone liquid limit device
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N93
Classification of International Standard 07.060
Word Count Estimation 9,912
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 cone liquid limit device terminology and definitions, classification and composition, technical requirements, test methods, inspection rules, signs and instructions, packaging, transportation, storage and so on. This section applies to soil test instrument capable of measuring liquid limit clay cone liquid limit device.

GB/T 21997.2-2008: Instrument for soil test -- Liquid limit device -- Part 2: Fall cone 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 2. Fall cone liquid limit device ICS 07.060 N93 National Standards of People's Republic of China Liquid limit soil test equipment tester Part 2. cone 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 221,997. 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 2. cone liquid limit device

1 Scope

This section GB/T 21997 specifies the terms and definitions, classifications and structure of soil test equipment in cone liquid limit device composition, technology Requirements, test methods, inspection rules, signs and instructions, packaging, transportation, storage and so on. This section applies to soil test instrument capable of measuring liquid limit of cohesive soil cone 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 Use cones in a predetermined weight to sink within the time specified in the test instrument to measure depth of cohesive soil liquid limit, generally means a straight reading circle Cone liquid limit device. 3.2 Photoelectric measuring principle read subsidence depth cone cone Macrofunction instrument within a specified time.

4 Classification and structures

4.1 Classification Cone liquid limit device by reading the display is divided into cone liquid limit direct reading instrument (hereinafter referred to as liquid limit device) and the photoelectric cone liquid plastic limit tester (Hereinafter referred to as photoelectric Macrofunction instrument). 4.2 structure and composition Liquid limit device consists of a cone (including a handle, cone, counterweight), cuvette, base composition, its structure shown in Figure 1.

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