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GB/T 31540.5-2019: Fire safety engineering guide -- Part 5: Movement of fire effluents
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31540.5-2019 | English | 279 |
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Fire safety engineering guide -- Part 5: Movement of fire effluents
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GB/T 31540.5-2019
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Basic data | Standard ID | GB/T 31540.5-2019 (GB/T31540.5-2019) | | Description (Translated English) | Fire safety engineering guide -- Part 5: Movement of fire effluents | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | C80 | | Classification of International Standard | 13.220.01 | | Word Count Estimation | 14,159 | | Date of Issue | 2019-10-18 | | Date of Implementation | 2019-10-18 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 31540.5-2019: Fire safety engineering guide -- Part 5: Movement of fire effluents---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.
Fire safety engineering guide--Part 5. Movement of fire effluents
ICS 13.220.01
C80
National Standards of People's Republic of China
Fire Safety Engineering Guide
Part 5. Fire smoke movement
Published on.2019-10-18
2019-10-18 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 symbol 1
5 Introduction to Subsystem 2 2
6 Subsystem 2 evaluation process 4
7 Engineering Method 8
Foreword
GB/T 31540 "Fire Safety Engineering Guide" is divided into the following sections.
--- Part 1. Application of performance in design;
--- Part 2. Fire occurrence, development and generation of smoke;
--- Part 3. Structural response and the external spread of indoor fires;
--- Part 4. Detection, start-up and fire suppression;
--- Part 5. Fire smoke movement;
This part is the fifth part of GB/T 31540.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part is proposed by the Emergency Management Department of the People's Republic of China.
This part is under the jurisdiction of the National Fire Protection Standardization Technical Committee (SAC/TC113).
This section drafted by. Sichuan Fire Research Institute of Emergency Management Department, Fire Rescue Bureau of Emergency Management Department.
The main drafters of this section. Li Le, Liu Jiyang, Liu Junjun, Zhang Han, Rong Jianzhong, Liu Yubo, Li Junhua.
Introduction
In the event of a fire in a building, a large amount of smoke is inevitable, and the smoke generated by the fire can cause serious damage to people inside the building. therefore,
Effective control of flue gas is one of the important goals of building fire protection design. At present, building fire smoke control mainly adopts two methods, one is
According to the relevant method, the technical indicators and requirements for smoke and smoke prevention are given by the relevant technical specifications; the other is the fire safety engineering method, which is mainly adopted.
Fire model and related calculation formulas or calculation software to predict the occurrence and development of fire smoke by setting fire scenes and fire scale
And on this basis, put forward control measures to slow down the deterioration of the environment at the scene of the fire, increase the chances of people being rescued, and thus reduce the fire smoke.
The hazards that gas movement can bring. This part of GB/T 31540 can use fire safety engineering methods to predict fire smoke for engineers and technicians.
Guide to gas movement.
Fire Safety Engineering Guide
Part 5. Fire smoke movement
1 Scope
This part of GB/T 31540 specifies the evaluation methods, input and output parameters and engineering methods of fire smoke movement.
This section applies to the basic guidelines for building fire safety engineering and fire risk assessment and related engineering applications.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 5907.1-2014 Fire vocabulary Part 1. General terms
GB/T 31540.1-2015 Fire safety engineering guide Part 1. Application of performance in design
GB/T 31540.2-2015 Fire Safety Engineering Guide Part 2. Fire occurrence, development and smoke generation
GB/T 31540.4-2015 Fire Safety Engineering Guide Part 4. Detection, Startup and Extinguishing
GA/T 999-2012 smoke control system field performance test method hot smoke test method
3 Terms and definitions
The following terms and definitions as defined in GB/T 5907.1-2014 apply to this document.
3.1
Fire smoke fireffluent
All gases, entrained air, particulate matter or aerosol droplets generated from combustion or pyrolysis.
3.2
Fire plume fireplume
In the fire, the flame above the fire source and the smoke flow generated by the combustion.
3.3
Ceiling jet ceilingjet
The smoke flow in the horizontal movement under the ceiling.
3.4
Open smoke flow ventflow
From the door and window opening on the indoor wall, the smoke flows into the open space outside.
4 symbol
The following symbols apply to this document.
p pressure in Pascal (Pa)
Δp differential pressure in Pascals (Pa)
00 ambient air density in kilograms per cubic meter (kg/m3)
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