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Database: 365,228(8 Aug 2026)
standard technical elements vertical fault offset landforms horizontal fault offset landforms measurement objects fault scarps active fault survey-measurement fault scarp folds fault offset gullies draw-off cocks amphibian acute toxicity test scopethis part excellent brand exhibition
DB/T 71-2018 in English

DB/T 71-2018 in English

VALID

Active fault survey-Measurement of faulted landform

  • Issued on:2018-12-26
  • Implemented on:2019-03-01
  • File Format:PDF
  • Delivery:Via email within 5 business days
Price(USD): $360.00
$350.00
Standard No: DB/T 71-2018
Document status: VALID
Title in English: Active fault survey-Measurement of faulted landform
Title in Chinese: 活动断层探察 断错地貌测量
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 5 business days
Issued on: 2018-12-26
Implemented on: 2019-03-01
Professional Classification: DB-Provincial Standard
Related Keywords: standard technical elements vertical fault offset landforms horizontal fault offset landforms
measurement objects fault scarps
active fault survey-measurement
fault scarp
folds fault offset gullies
Related Topics: fault
detecting animals
animal detection
landform
automatic dose detection
wrong
Surprised
fault principle
technology gap
active layer
detecting animals
broken
animal detection
Appearance
Misalignment
Active fault detection db-T15


Introduction

Analysis of the core content of the standard

Technical elements Vertical fault offset landforms Horizontal fault offset landforms
Measurement objects Fault scarps, folds Fault offset gullies, terrace edges
Measurement method Profile measurement/topographic measurement Topographic measurement
Accuracy requirements Plane error ≤ 5cm (1:500), vertical error ≤ 10cm

Key Technical Requirements

Survey Implementation Specifications

When using GNSS measuring equipment or total station, the following must be met:

  • The mapping scale is preferably 1:1000~1:100
  • Point spacing within 10m of the inflection point of the fault scarp is <0.2m
  • LiDAR point cloud density ≥25 points/m² (DEM grid 0.2m)

Standard Evolution Analysis

This standard forms a technical complement to GB/T36072-2018, and for the first time systematically standardizes:

  1. Specialized measurement process for faulted landforms
  2. Vertical/horizontal displacement calculation method
  3. Requirements for the application of new technologies for aerial surveying and LiDAR

Implementation Recommendations

Key Points for Quality Control

  • Use the 2000 National Geodetic Coordinate System as the unified benchmark
  • Field records must include metadata such as weather and instrument parameters
  • Data processing must pass GB/T18316 quality inspection

Sample only — not a preview of DB/T 71-2018
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