GB/T 40621-2021

Active

Drawing method of cloud-to-ground lightning density distribution map

地闪密度分布图绘制方法

Standard Type
GBT
ICS
91.120.40
CCS
M04
Status
Active
Issue Date
2021-10-11
Implementation
2022-05-01
Centralized Committee
国家标准委
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the method for drawing cloud-to-ground lightning density distribution maps, including data sources, grid division, and statistical calculation procedures. It is applied in the construction industry for lightning protection engineering design, risk assessment, and zoning of buildings and infrastructure. The standard ensures consistent and accurate mapping of lightning strike frequency, supporting safety planning and protective measures for structures in regions with varying thunderstorm activity.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.