GB/T 41447-2022 in English

VALID

Technical specification for three-dimensional modeling of urban underground space

Issued on:2022-04-15
Implemented on:2022-04-15
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $310.00
$301.00

Standard No:	GB/T 41447-2022
Document status:	VALID
Title in English:	Technical specification for three-dimensional modeling of urban underground space
Title in Chinese:	城市地下空间三维建模技术规范
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2022-04-15
Implemented on:	2022-04-15
ICS Classification:	07.040-Astronomy. Geodesy. Geography
Chinese Classification:	A75-Mapping in general
Professional Classification:	GB-National Standard
Related Keywords:	underground space modeling underground space digital urban underground space introduction analysis three-dimensional modeling underground transportation hub case
Related Topics:	three dimensional 3D modeling 3D standard modeling Modeling Standard Modeling Standard city area Indoor 3D modeling Surveying and Mapping of Urban Underground Space Urban Space Mapping Maintenance modeling+ Ternary space space version Underground Space Standards GBT41447 GB/T 41447-2022 model-based modeling 3D modeling technology Urban 3D Model Technology 3D modeling specifications and Three-dimensional modeling technology of urban underground space 3D modeling group 3D model modeling standards Urban three-dimensional geological body modeling technology 3D modeling development Three-dimensional solid model parametric modeling technology Urban 3D geological modeling gb41447

《GB/T 41447-2022城市地下空间三维建模技术规范》由TC230（全国地理信息标准化技术委员会）归口，主管部门为自然资源部(测绘地理)。

Introduction

Analysis of the whole process of underground space digital modeling

The collaborative mechanism of engineering BIM model and laser scanning technology was included in the national standard system for the first time, marking that my country's underground space modeling has entered a new stage in the whole life cycle...

Comparative analysis of core standard elements

Model type	LOD1	LOD2	Attribute information accuracy
Structure	Simplified cube	Coating information	Above 90%dpi	Material name
Geological body	Mono surface	Layered structure	JuanCamp value	0.5-3 centipoise

Engineering scenario practice route

New city underground transportation hub case

In the Chengdu East Railway Station project, through GCB2000 coordinate matching, more than 370 special models including comprehensive pipe gallery/support structure/traffic guide tunnel are integrated...

More samples: DL/T 5154-2012 QC/T 942-2021 JC/T 2453-2018

Sample only — not a preview of GB/T 41447-2022

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