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DBT74-2018: (Earthquake disaster remote sensing assessment earthquake geological disaster)
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DB/T 74-2018	English	329	Add to Cart	3 days [Need to translate]	(Earthquake disaster remote sensing assessment earthquake geological disaster)

DBT74-2018: (Earthquake disaster remote sensing assessment earthquake geological disaster)

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(Earthquake disaster remote sensing assessment earthquake geological disaster) ICS 91.120.25 P15 People's Republic of China Earthquake Industry Standard Earthquake disaster remote sensing assessment of earthquake geological disasters 2018-12-26 released 2019-03-01 Implementation Issued by China Earthquake Administration

Table of contents

Foreword Ⅰ Introduction Ⅱ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Basic regulations 2 5 Data collection and processing 3 6 Interpretation of signs 4 7 Interpretation and evaluation 4 8 Result evaluation and result revision 5 Appendix A (Normative Appendix) Remote Sensing Interpretation Table 6 of Earthquake and Geological Disasters Appendix B (Normative Appendix) Earthquake and Geological Disaster Remote Sensing Evaluation Form 7 Appendix C (Normative Appendix) Site Sampling Checklist of Earthquake Geological Disasters 9 Reference 10

Foreword

This standard is one of the series of "Earthquake Disaster Remote Sensing Assessment". The standard structure and name of the series are expected to be as follows. ---Evaluation of earthquake disasters by remote sensing of earthquake disasters; ---Evaluation of building damage by remote sensing of earthquake disaster; ---Evaluation of highway earthquake damage by remote sensing of earthquake disaster; ---Remote sensing of earthquake disasters to assess railway system earthquake damage; ---Destruction of key targets in remote sensing assessment of earthquake disasters; ---Evaluation of earthquake disaster area by remote sensing of earthquake disaster; ---Evaluation of earthquake intensity by remote sensing of earthquake disaster; ---Evaluation of the direct economic loss of earthquake disaster by remote sensing; ---Earthquake disaster remote sensing evaluation product output technical requirements; This standard was drafted in accordance with GB/T 1.1-2009 "Guidelines for Standardization Part 1.Standard Structure and Compilation". This standard was proposed by the China Earthquake Administration. This standard is under the jurisdiction of the National Seismic Standardization Technical Committee (SAC/TC225). Drafting organizations of this standard. Institute of Geology, China Earthquake Administration, Institute of Earthquake Prediction, China Earthquake Administration, Crustal Stress Research, China Earthquake Administration Research institute. The main drafters of this standard. Zhang Guifang, Shan Xinjian, Wang Xiaoqing, Liu Yunhua, Song Xiaogang, Gong Wenyu, Chen Xiaoli, Zhang Jingfa. Important note. If you have any comments or suggestions during the implementation of this standard, please send them to or send them to the Secretariat of the National Seismological Standardization Technical Committee (Address. South Road, Minzu University, Haidian District, Beijing No. 5, Institute of Geophysics, China Earthquake Administration; Zip code. 100081), and indicate the contact information.

Introduction

After a severely destructive earthquake occurs, quickly and accurately determine the type of earthquake disaster, the extent and scope of the earthquake disaster, is the earthquake emergency rescue command and operation. Important basis for movement. Remote sensing technology has the characteristics of all-time, all-weather, and not affected by the earthquake damage in the disaster area. Therefore, after the earthquake, the earthquake should be rescued. Aid China can quickly obtain information on the disaster situation in earthquake-stricken areas in a comprehensive and macroscopic manner. There are many types and wide distribution of earthquake disasters, different types of disaster information extraction, There are obvious differences in the evaluation objects and methods, and it is difficult to adopt a single standard to regulate. For the coordinated, orderly, efficient and accurate extraction and evaluation For different types of earthquake disasters, it is necessary to standardize the methods, indicators, procedures and results of remote sensing evaluation. Remote Sensing Evaluation" series of standards. Earthquake geological disasters are an important basis for the assessment of the extent of the extremely disaster-stricken area, the earthquake intensity, and the direct economic loss of the earthquake. This standard It is based on the experience of remote sensing evaluation of many earthquake geological disasters at home and abroad in recent years, and at the same time, it is formulated with reference to seismic and geological related standards of. Considering the ability and feasibility of using remote sensing technology to extract information from earthquake geological hazards, it specifies the earthquakes evaluated in this standard. Geological disasters include earthquake landslides and collapses, earthquake debris flows, and earthquake surface rupture zones. The seismic geological disasters that are interpreted include dammed lakes, sand For soil liquefaction, the disaster levels of earthquake geological disasters are divided into four levels. super large, large, medium and small. On the basis of the level of catastrophe On this basis, refer to the classification method of earthquake geological disasters in GB/T 30352-2013 "Emergency Assessment of Earthquake Disasters". This standard specifies Evaluate the classification standard of the earthquake geological hazard level of an earthquake event and the earthquake geological hazard level of a certain area in space. Earthquake disaster remote sensing assessment of earthquake geological disasters

1 Scope

This standard specifies the content, method and result expression of seismic geological disaster assessment based on remote sensing. This standard applies to the use of remote sensing to carry out seismic and geological disaster assessment.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. DB/T 80-2018 Earthquake disaster remote sensing evaluation product output technical requirements

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Earthquake geological disaster Disasters caused by deformation or destruction of geological bodies under the action of earthquakes. [GB/T 18207.2-2005, definition 6.1.7] 3.2 Earthquake landslides and collapses The phenomenon of rock or soil slipping along an inclined surface or falling away from the parent body caused by ground motion, and accumulation. 3.3 Earthquake debris flow A phenomenon in which a mixture of water, mud, and rocks flows due to ground motions. [GB/T 18207.2-2005, definition 6.1.7.4] 3.4 Earthquake surface rupture zone The general term for the rupture and deformation caused by the seismic source fault dislocation on the surface, including seismic faults, seismic bulges, seismic cracks, seismic grooves, etc. composition. [GB/T 18207.2-2005, definition 3.3.5] 3.5 Sand liquefaction After the saturated sand is shaken, the structure and properties change seriously, the pore water pressure increases, the effective stress decreases, and the sand loses its strength. It is in a liquid state, so that the shear strength and bearing capacity are seriously reduced. 3.6 Earthquake subsidence Earthquakes cause uneven settlement of soft soil foundations and cause damage to buildings (structures). ...