GB/T 18091-2015Optical and thermal performance of glass curtain wall (English PDF)
玻璃幕墙光热性能
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 11, 2015
Implementation date
August 1, 2016
Scope
GB/T 18091-2015 is the English-translated version of 玻璃幕墙光热性能.
GB/T 18091-2015 is the Chinese standard "Optical and thermal performance of glass curtain wall". Its scope clause reads: This standard specifies the terms and definitions of glass curtain wall light and heat performance, general provisions, requirements and testing.
This standard applies to the glass curtain wall light thermal performance rating and testing. Its clauses include terms and definitions.
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Document preview — GB/T 18091-2015
National Standard of the People's Republic of China
- ICS
- 91.060.10
- Classification
- P 32
- Replacing
- GB/T 18091-2000
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 Glass curtain wall light and heat performance
- 3.2 Solar radiation
- 3.3 Color colourdifference
- 3.4 General color rendering index
- 3.5 Color transmission index
1 Scope
This standard specifies the terms and definitions of glass curtain wall light and heat performance, general provisions, requirements and testing.
This standard applies to the glass curtain wall light thermal performance rating and testing.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 11942 color supplies color measurement method
GB/T 11976 of windows lighting performance classification and test methods
GB/T 18915.1 coated glass - Part 1. solar control coated glass
GB/T 18915.2 coated glass - Part 2. Low-E coated glass
GB/T 21086 building walls
JGJ/T 151 building doors and windows of glass curtain wall thermal calculation procedure
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Glass curtain wall light and heat performance
And glass curtain wall solar radiation-related optical and thermal performance. In visible light transmittance, light reduction factor, total solar energy transmittance,
Shading coefficient, heat than light, color and the color of the transmitted index characterization.
3.2 Solar radiation
From the sun, 300nm ~ 2500nm wavelength range of electromagnetic radiation.
3.3 Color colourdifference
deltaE
Two different color differences perceived to be quantified, a complex difference tone, brightness and color saturation of these three attributes.
3.4 General color rendering index
Ra
Light on the No. 1 to No. 8 standard color samples International Commission on Illumination (CIE) was prescribed the average color rendering index.
3.5 Color transmission index
RTa
General color rendering index of solar radiation through the glass after.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Cited by
- YC/T 396-2020Evaluation standard for green industrial building of tobacco industry
- GB/T 38388-2019Test method of solar PV system for curtain wall and skylight of building
- GB/T 12454-2017Method of evaluating luminous environment
- GB/T 31433-2015General specification for building curtain walls, windows and doors
- YC/T 396-2011Evaluation standard for green industrial building of tobacco industry
- GB/T 21086-2007Curtain wall for building
Similar standards
Editions of GB/T 18091
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 18091-2015 | Optical and thermal performance of glass curtain wall | current edition | Current |
| GB/T 18091-2000 | Optical and thermal performance of glass curtain wall | previous edition | Superseded |
This page sells the current edition, GB/T 18091-2015. Earlier editions are listed for reference only.
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