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GB/T 34010-2017: Standard for determination of air permeability of buildings -- Fan pressurization method
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Standard for determination of air permeability of buildings -- Fan pressurization method
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GB/T 34010-2017
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Basic data | Standard ID | GB/T 34010-2017 (GB/T34010-2017) | | Description (Translated English) | Standard for determination of air permeability of buildings -- Fan pressurization method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P31 | | Classification of International Standard | 91.120.10 | | Word Count Estimation | 22,25 | | Date of Issue | 2017-07-12 | | Date of Implementation | 2018-06-01 | | 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 34010-2017: Standard for determination of air permeability of buildings -- Fan pressurization method
---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.
Standard for determination of air permeation buildings
ICS 91.120.10
P31
National Standards of People's Republic of China
Measurement of airtightness of buildings - Fan pressure method
(ISO 9972..2006, Thermalperformance ofbuildings-Determination ofair
permeabilityofbuildings-Fanpressurizationmethod, IDT)
2017-07-12 released
2018-06-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Directory
Preface III
Introduction IV
1 Scope 1
2 normative reference document 1
3 terms, definitions and symbols
4 equipment 3
5 Detection step 4
6 results statement 7
7 Test Report 10
Uncertainty
Appendix A (informative) Description of building pressurization equipment 12
Appendix B (informative) Relationship between air density and temperature, dew point, and atmospheric pressure
Appendix C (informative) Recommended method for estimating the uncertainty of derived values
Appendix D (informative) Po Fu Wind Level (excerpt) 17
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the translation method equivalent to ISO 9972..2006 "Building thermal performance Building air permeability determination Fan pressure test
method".
This standard has made the following editorial changes.
--- Incorporation of amendments to ISO 9972..2006/AMD1..2009.
This standard is proposed by the Ministry of Housing and Urban and Rural Development of the People's Republic of China.
This standard is under the jurisdiction of the National Technical Committee on Building Structure Standardization (SAC/TC454).
This standard is responsible for drafting units. China Architectural Design and Research Institute, National Housing and Residential Environment Engineering Technology Research Center.
This standard participates in the drafting unit. China Architecture Design and Research Institute of Housing Laboratory, Shanghai Real Estate Research Institute, Beijing Zhong Jian Building Branch
Research Institute Co., Ltd., Beijing Century Jian Tong Technology Co., Ltd.
The main drafters of this standard. Jin Ruidong, Yao Minguang, Hao Junhong, Lou Ni, Wang Xixi, Zhang Peng, Wang Yan, Li Xinyu, Gu Xiaoying,
Wang Jiwu, Zhang Chao, Ren Yue.
Introduction
The fan pressure method is intended to determine the air permeation characteristics of the whole or part of the building envelope and can be used to.
a) whether the air permeability of a building or part thereof is tested for compliance with airtight design requirements;
b) compare the relative air permeability between buildings similar to buildings or buildings;
c) determine the leakage point;
d) Determine the degree of air leakage after retrofitting of existing buildings or parts thereof.
This fan pressure method is suitable for the purpose of building and some of the air tightness diagnosis. Although air infiltration, exudation can not be measured directly, but by
The average amount of gas at the leak and the average amount of air flowing from the outside through the airflow device is equal to the average value of the air in the building
, So the test results of this air tightness test method are reliable and reliable. For the expected pressure through the building, the average gap is estimated
The amount of gas and the average air flow through the equipment to determine.
This fan pressure method is not used to measure the air permeability of a building. The test results of the fan pressure method can be used to calculate air penetration
the amount. If you want to get the air permeability measurement directly, you can use other methods to measure. It is best to use fan pressure on the building and composition
Partial air tightness was diagnosed and the air permeability was measured directly by tracer gas method. A single tracer gas measurement method is used to understand building ventilation
And permeability information is limited.
The fan pressure method is suitable for measuring the air flow between buildings inside and outside, and is not suitable for measuring buildings from buildings and buildings
Do not flow to the building outside the air flow.
Proper use of this standard requires knowledge of the principles of air flow and pressure measurement. The ideal test condition for this fan pressure method is
In the case of small temperature difference and low wind speed. When conducting field tests, measure the temperature difference between the environment and the wind speed over ideal conditions
Poor and wind speed is small. Otherwise, it should be avoided in the wind and the greater the temperature difference between indoor and outdoor use this method to test.
Measurement of airtightness of buildings - Fan pressure method
1 Scope
This standard specifies the building as a whole and part of the air tightness of the field measurement method. The method is to use machinery for the building and part of it
Pressure or decompression test method. This standard describes a range of indoor and outdoor static pressure within the range of airflow rate test method.
This standard applies to the detection of individual building spaces in the building envelope air permeability, multi-space building can be opened by the door so that adjacent space
Equal pressure is treated as if it were equivalent to a single space.
This standard includes the terms, definitions and symbols of the fan pressure method, instrumentation, inspection procedures, results statements, test reports and inaccuracies
Fixed degree.
This standard applies to the detection of individual building spaces in the building envelope air permeability, multi-space building can be opened by the door so that adjacent space
Equal pressure is treated as if it were equivalent to a single space.
This standard does not apply to assessing the air tightness of individual components.
2 normative reference documents
The following standards are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all revisions) applies to this document.
ISO 6781 Thermal insulation layer Building envelope Thermal defect Qualitative detection Infrared method (ThermalInsulation-
Qualitativedetectionofthermalirregularitiesinbuildingenvelopes-Infraredmethod)
ISO 7345 Thermal Insulator Insulation and Physical Definition (ThermalInsulation-Physicalquantitiesanddefinitions)
Building Thermal Performance Building Heating and Cooling Energy Calculation (ISO 13790..2004) Thermalperformanceof
buildings-calculationofenergyuseforspaceheatingandcooling)
3 terms, definitions and symbols
3.1 Terms and definitions
ISO 7345 and the following terms and definitions apply to this document.
3.1.1
Air leaks airleakagerate
Air flow through the building envelope.
Note. The amount of air flow here includes the amount of air flowing through the joints, crevices, holes or parts thereof, and its movement is carried out by the air drive equipment of this standard (section 4
Chapter).
3.1.2
Internal volume
Need to inspect the building or part of its associated interior space involving heating, air conditioning or mechanical ventilation. Usually not included
Loft, basement and ancillary space and other non-heating, air conditioning and ventilation parts.
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