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DBT88-2022: (Seismic Network Operation Specifications Earth Tilt and Earth Strain Observation)
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| DB/T 88-2022 | English | 409 |
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(Seismic Network Operation Specifications Earth Tilt and Earth Strain Observation)
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DB/T 88-2022
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Basic data | Standard ID | DB/T 88-2022 (DB/T88-2022) | | Description (Translated English) | (Seismic Network Operation Specifications Earth Tilt and Earth Strain Observation) | | Sector / Industry | Chinese Industry Standard (Recommended) | | Classification of Chinese Standard | P15 | | Classification of International Standard | 91.120.25 | | Word Count Estimation | 18,11 | | Date of Issue | 2022-12-29 | | Date of Implementation | 2023-05-01 | | Issuing agency(ies) | China Earthquake Administration | DBT88-2022: (Seismic Network Operation Specifications Earth Tilt and Earth Strain Observation)
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ICS 91.120.25
CCSP15
Seismic Industry Standard of the People's Republic of China
Observation of Earth Tilt and Earth Strain in Operation of Seismic Network
Released on 2022-12-29
2023-05-01 implementation
Released by the China Earthquake Administration
table of contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Basic Regulations 2
5 Observatory operation 4
6 Provincial business center operation6
7 National business center operation 7
Appendix A (Normative) Observation log type code table 9
Appendix B (informative) Contents of monthly and annual reports of ground tilt and ground strain observation 11
Reference 14
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
This document is proposed by the China Earthquake Administration.
This document is under the jurisdiction of the Earthquake Monitoring and Forecasting Standardization Technical Committee.
This document was drafted by. Hubei Earthquake Administration, China Earthquake Network Center, National Academy of Natural Disaster Prevention and Control of the Ministry of Emergency Management, China Earthquake Networks
The first monitoring center of the earthquake bureau.
The main drafters of this document. Lu Pinji, Tang Lei, Chen Zhiyao, Qiu Zehua, Zhang Yan, Wu Kai, Li Zhengyuan, Li Hui, Zhou Kechang, Meng Qingxiao.
Observation of Earth Tilt and Earth Strain in Operation of Seismic Network
1 Scope
This document specifies the basic requirements for the operation and maintenance, quality control and product output of the ground tilt and ground strain observation network.
This document is applicable to the operation of ground tilt and ground strain observation stations, provincial operational centers and national operational centers.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 19531.3-2004 Technical requirements for observation environment of seismic stations Part 3.Observation of crustal deformation
DB/T 4 Seismic station codes
DB/T 51-2012 Earthquake precursor database structure station observation
JJF1001-2011 general measurement terms and definitions
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
earth tilt observation station crustaltiltstation
Meet the requirements of technical standards, configure ground tilt observation technical facilities, and conduct continuous tilt observation places.
[Source. DB/T 40.1-2010, 3.3]
3.2
ground strain observation station crustalstrainstation
Meet the requirements of technical standards, configure ground strain observation technical facilities, and conduct continuous strain observation.
[Source. DB/T 40.1-2010, 3.4]
3.3
Observation point
The position where the earthquake precursor observation instrument receives the signal.
[Source. DB/T 51-2012, 3.3]
3.4
Calibration calibration
According to the provisions of 4.10 in JJF1001-2011, input the known displacement signal to the ground inclinometer or ground strain gauge to detect its grid value parameters,
Modify the grid value parameter if necessary.
3.5
data preprocessingdatapreprocessing
Correct the responses caused by non-crustal changes on the ground tilt and ground strain record curves, including removing various factors caused by instrument failures and human manipulation.
Spikes and step changes caused by invalid data, reset zeroing, etc.
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