GB/T 3409.1-2008Instrument for dam monitoring rebar strain meter - Part 1: Unbonded elastic wire resistance rebar strain meter (English PDF)
大坝监测仪器 钢筋计 第1部分：差动电阻式钢筋计
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 9, 2008
Implementation date
July 1, 2008
Scope
GB/T 3409.1-2008 is the English-translated version of 大坝监测仪器 钢筋计 第1部分：差动电阻式钢筋计.
GB/T 3409.1-2008 is the Chinese standard "Instrument for dam monitoring rebar strain meter - Part 1: Unbonded elastic wire resistance rebar strain meter".
Its scope clause reads: This section GB/T 3409 specifies the structure and composition of the differential resistance of reinforced meter, specifications and main parameters, technical requirements, test side Method, inspection rules and signs, instructions, packaging, transportation and storage.
This section applies to internal monitoring embedded in the concrete building structure in steel reinforced stress differential resistance meter. Its clauses include terms and definitions.
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Document preview — GB/T 3409.1-2008
National Standard of the People's Republic of China
- ICS
- 07.060
- Classification
- P 10
- Replacing
- GB/T 3409-1994
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
1 Scope
This section GB/T 3409 specifies the structure and composition of the differential resistance of reinforced meter, specifications and main parameters, technical requirements, test side
Method, inspection rules and signs, instructions, packaging, transportation and storage.
This section applies to internal monitoring embedded in the concrete building structure in steel reinforced stress differential resistance meter.
2 Normative references
The following documents contain provisions which, through reference to GB/T 3409 to the present, constitute provisions of this section. For dated references,
All subsequent amendments (excluding corrections) or revisions do not apply to this section, however, encourage an agreement under this section
Parties to study the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 191 Packaging - Pictorial signs
GB/T 5080.7-1986 Equipment reliability testing efficiency constant failure rate assumption under the MTBF of the verification test
Inspection program
GB/T 6388 transceiver flag Transport Package
GB 9969.1 Instructions General Industrial Products
GB/T 15406-2007 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 GB/T 3409 this part.
3.1
Steel stress measurement sensor.
3.2
In a pair of differential changes in the wire as the sensing element measuring steel reinforced stress meter (hereinafter referred to as reinforcement meter).
3.3
Sensitive elements of the two differential change in wire resistance values R1 and R2 ratio.
Z = R1R2
3.4
Reinforced meter resistance ratio measured value when compared with the amount of change in resistance corresponding to the input is zero.
3.5
Reinforced meter calibration curve resistance and temperature above 0 °C portion between. With independent linearity method of fitting a straight line in the resistance value
Axis intercept ohms (ohm).
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 3409.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 3409.1-2008 | Instrument for dam monitoring rebar strain meter - Part 1: Unbonded elastic wire resistance rebar strain meter | current edition | Current |
| GB/T 3409-1994 | Instrument for dam monitoring rebar strain meter - Part 1: Unbonded elastic wire resistance rebar strain meter | previous edition | Superseded |
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