GB/T 34342-2017 English PDF

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GB/T 34342-2017: Test method for heat transfer coefficient of building envelope
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34342-2017	279	Add to Cart	3 days	Test method for heat transfer coefficient of building envelope	Valid

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Basic data

Standard ID: GB/T 34342-2017 (GB/T34342-2017)
Description (Translated English): Test method for heat transfer coefficient of building envelope
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: P32
Classification of International Standard: 91.060.10
Word Count Estimation: 14,122
Date of Issue: 2017-10-14
Date of Implementation: 2018-05-01
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

GB/T 34342-2017: Test method for heat transfer coefficient of building envelope

---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.
Test method for heat transfer coefficient of building envelope ICS 91.060.10 P32 National Standards of People's Republic of China Heat transfer coefficient detection method of enveloping structure 2017-10-14 Published 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 detection principle 2 5 test conditions 2 6 test step 2 7 data processing 5 8 test report 6 Appendix A (Normative) testing equipment 7 Appendix B (normative) hot box device calibration verification 9

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. This standard by the National Building Energy Standardization Technical Committee (SAC/TC452) centralized. This standard drafting unit. Beijing Jianzhong Building Research Institute Co., Ltd., Guangzhou Institute of Building Research Co., Ltd., Anhui Province built Building Science Research and Design Institute, Tianjin Construction Engineering Quality Inspection Center, Tianjin Institute of Housing Science and Technology Co., Ltd., China Building Research Institute, China Construction Bureau (Group) Co., Ltd., Xinjiang Academy of Building Research, Guizhou Zhongjian Building Research and Design Institute Co., Ltd., Shanghai Construction Building Science Research Institute (Group) Co., Ltd., Tianjin Tianjin Bell Construction Engineering Testing Technology Co., Ltd., Qingdao City, construction quality inspection Center Co., Ltd., Beijing Yanhua Tianjian Construction Engineering Co., Ltd., Harbin Institute of Technology, Shenzhen Jinzhong Engineering Limited Testing Limited Company, Hebei Academy of Building Research, China Power Investment Engineering Research and Assessment Center, Beijing Xinyuan Bo Heng Detection Technology Co., Ltd., River North Tianbo Construction Technology Co., Ltd., Tianjin Building Materials Product Quality Supervision and Testing Center, China Building Standard Design and Research Institute Co., Ltd. Secretary, China Construction Third Engineering Bureau Co., Ltd., Wuhan University of Technology, Beijing Construction Engineering Quality Inspection Co., Ltd. Sixth. The main drafters of this standard. Duan Kai, Wang Zhiyong, Yang Yuzhong, Zhang Jiahai, Yu Yue, Zhao Wenhai, Liu Qiang, Fang Xiu Mu, Li Shengying, Ren Shuhua, Li Changkun, Shang Jingyuan, Liu Xiaochun, Ye Jinting, Cao Yiran, Chen Xinhong, Zhai Chuanming, Du Jialin, Yang Anqi, Lei Yan, Yang Jiankun, Ren Jing, Zhang Jinhua, Zhang Guojun, Li Cuiling, Tian Dixin, Wu Shaopeng, Zhang Chi, Zhao Hujun, Li Yong, He Yuan, Pang Ling, Tang Ning, Li Jian, Li Huatao, Gao Jian, Bai Tao, Tang Baohua, Zhu Jianfei. Heat transfer coefficient detection method of enveloping structure

1 Scope

This standard specifies the terms and definitions of the building envelope detection method of heat transfer coefficient, detection principle, test conditions, testing procedures, Data processing, test report. This standard applies to the homogeneous structure of buildings and non-homogeneous structure of building envelope heat transfer coefficient on-site inspection. Not suitable for translucent protective knot Heat transfer coefficient detection.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 8484 building exterior doors and windows insulation performance classification and testing methods GB/T 13475 Determination of heat transfer steady - state properties of heat transfer Calibration and protection of hot box method Specification for thermal design of civil buildings

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Heat transfer coefficient heattransfercoefficient Under steady-state conditions, the heat transferred through the unit area per unit of time when the air temperature difference between the two sides of the envelope is 1K. 3.2 Hot box device hot-boxdevice On-site detection of building envelope heat transfer coefficient of the device. In the test site inside, the establishment of heat transfer test environment, measured by the hot box, the environment plus Heater and controller. 3.3 Cold box device cold-boxdevice Auxiliary on-site detection of heat transfer coefficient of the envelope structure of the device. On the outside of the site under test, lower the air temperature outside the area under test from the cold box Box and refrigeration components. 3.4 Hot box method methodwithhotbox The use of hot box device (if necessary, with the cold box device) to measure the calorific value inside the hot box and the measured site inside and outside temperature, through the meter Calculate the measured part of the heat transfer coefficient detection method. 3.5 Heterogeneitystructurebuildingenvelope In the heat transfer process, due to uneven internal structure, the formation of conduction heat flow and the surface temperature of non-uniform envelope. ......

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