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GB/T 11976-2015: Graduation and test method of daylighting properties for external windows
Status: Valid GB/T 11976: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 11976-2015 | English | 259 |
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Graduation and test method of daylighting properties for external windows
| Valid |
GB/T 11976-2015
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| GB/T 11976-2002 | English | 319 |
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3 days [Need to translate]
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Graduation and test method of daylighting properties for windows
| Obsolete |
GB/T 11976-2002
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| GB/T 11976-1989 | English | 239 |
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2 days [Need to translate]
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Graduation and test method of daylighting properties for windows
| Obsolete |
GB/T 11976-1989
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PDF similar to GB/T 11976-2015
Basic data | Standard ID | GB/T 11976-2015 (GB/T11976-2015) | | Description (Translated English) | Graduation and test method of daylighting properties for external windows | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P32 | | Classification of International Standard | 91.060.50 | | Word Count Estimation | 12,187 | | Date of Issue | 2015-05-15 | | Date of Implementation | 2015-12-01 | | Older Standard (superseded by this standard) | GB/T 11976-2002 | | Quoted Standard | GB/T 5702; GB/T 5823; JJG 245; ISO 9050 | | Regulation (derived from) | National Standard Announcement 2015 No. 15 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the terms and definitions of windows lighting performance classification and detection methods, performance rating and testing. This Standard applies to building external windows and lighting board, light dome and conduit translucent daylighting system reduction coefficient and color grading and testing transmission index. | GB/T 11976-2015: Graduation and test method of daylighting properties for external windows---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Graduation and test method of daylighting properties for external windows
ICS 91.060.50
P32
National Standards of People's Republic of China
Replacing GB/T 11976-2002
Of windows lighting performance classification and test methods
Issued on. 2015-05-15
2015-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 11976-2002 "of windows lighting performance rating and testing methods" and GB/T 11976-2002 phase
Ratio, the main technical changes are as follows.
--- Increased transmission index of windows color grading;
--- Adds color transmission index test equipment requirements and calculation methods;
--- Revised Appendix A, an increase in Appendix B.
The standard proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China.
This standard by the national building curtain wall windows and doors Standardization Technical Committee (SAC/TC448) centralized.
Standard drafting unit. China Academy of Building Research, Guangdong Academy of Building Research, Shanghai Institute of Building Sciences (Group) Co.
Secretary, Henan Province Construction Quality Testing Center Station Ltd., Beijing Polytechnic University, Beijing High-Tech Building Materials Co., Ltd., Hebei Austrian-run
Shunda Window Co., Ltd., Tylenol wind-Thailand (Suzhou) Co., Ltd. insulation materials, Bell Tianjin Construction Engineering Test Detection Technology Co.,
Secretary of Tianjin Branch EEB Environmental Monitoring Limited, Zhejiang New Century Engineering Testing Co., Ltd. Shenzhen Fu-curtain wall decoration works have
Limited, Ningbo University of Technology, Jiangsu Ying Tai Ke Technology Co. EEB.
The main drafters. Zhang Jianping, Luo Tao, Liu Huitao, Yang Shi Chao, Wang Shuxiao, Hao Zhihua, Xu Qin, Li Weimin, SUN Shi Bing, healthy,
Weihe Dong, Mr Tsang, Wang Xinli, Jiang Chan, Gu Jianying, Cai Xianci, Wang Haibo, Zhang Jianjun, Shang Qing Huan.
This standard replaces the standards previously issued as follows.
This standard was first published on December 25, 1989, the first amendment April 28, 2002, this is the second revision.
Of windows lighting performance classification and test methods
1 Scope
This standard specifies the terms and definitions of windows lighting performance classification and test methods, performance rating and testing.
This standard applies for windows and lighting board, a light dome lighting system and conduit transmittance reduction factor and color transmission index points
And level detection.
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 5702 light color evaluation method
GB/T 5823 building windows and doors term
JJG245 light meter
ISO 9050 architectural glass visible light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and glass
Determination of the parameters (Glassin building - Determination oflighttransmittance, solar direct
transmittance, totalsolarenergytransmittance, ultraviolettransmittanceandrelatedglazingfactors)
3 Terms and Definitions
GB/T 5823 defined by the following terms and definitions apply to this document.
3.1
Lighting performance daylightingproperties
Of windows and other lighting systems light transmission capacity under diffuse light irradiation.
3.2
Diffuse incident illumination incidentdiffusediluminance
E0
When no specimen on the interior surface of the receiving measured illumination through the specimen the hole.
3.3
Transmission diffuse illumination transmitteddiffusediluminance
Ew
When the specimen on the interior surface of the receiving measured illumination through the specimen.
3.4
Transmittance reduction factor transmittingrebatefactor
Tr
Diffuse transmittance of the incident light intensity of diffuse illumination.
3.5
Color transmission index colourrenderingindex
Ra
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