Classification and test method for fire resistant performance of curtain wall
Warning: All personnel carrying out this test shall be aware that this test may cause personal injuries. During the test, toxic or harmful smoke dust and fume may be produced. Mechanical injuries and operational hazards may occur during test piece installation, during the test and during the cleaning of test pieces after the test.
Before the test, all potential hazards and health hazards shall be analyzed and safety forecasts shall be made. Necessary training shall be provided for relevant personnel. Laboratory staff shall operate in strict accordance with safety operation procedures and take reliable protective measures.
1 Scope
This document specifies the classification for fire resistant performance of curtain wall, test apparatus and instruments, test conditions, test piece requirements, test piece installation and test zones, measuring instrument layout, test procedures, test results and judgments, and the test report.
This document is applicable to the classification for fire resistant performance of fire-resistant construction of curtain wall (including fire-resistant curtain wall, fire-resistant curtain wall outside spandrel area, firestopping between floor and curtain wall and firestopping between firewall and curtain wall).
2 Normative references
The following documents contain requirements which, through reference in this text, constitute indispensable requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 5907.1 Fire protection vocabulary - Part 1: General terms
GB/T 9978.1 Fire-resistance tests - Elements of building construction - Part 1: General requirements
GB/T 12513 Fire-resistance tests - Elements of building construction - Glazed elements
GB/T 26784 Fire resistance test for elements of building construction - Alternative and additional procedures
GB/T 34327 Terminology for curtain wall
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 5907.1 and GB/T 34327 and the following apply.
3.1
fire-resistant construction of curtain wall
joint protection and perimeter fire barriers which are located at inter-floor slab and firewall between floor and curtain wall, with a certain fire-resistant performance and able to block flame, smoke spread or heat transfer
3.2
fire-resistant performance of curtain wall
ability of a fire-resistant construction of curtain wall to meet the requirements of fire-resistant integrity, fire-resistant heat insulation or reduction of radiation under standard test conditions
3.3
fire-resistant curtain wall
curtain wall construction located at the opening of the external wall of a building and used to prevent the spread of internal and external fire spread
3.4
fire-resistant curtain wall outside spandrel area
construction located between the upper and lower floor openings of the external wall of a building and used to prevent the spread of internal and external fire spread
3.5
firestopping between floor and curtain wall
blocking and sealing system located between inter-floor solid wall or slab and fire-resistant curtain wall outside spandrel area or fire-resistant curtain wall of a building, which has the functions of sealing and expansion deformation under normal use conditions and prevents the internal fire spread in the vertical direction in case of fire
3.6
firestopping between firewall and curtain wall
blocking and sealing system located between firewall and fire-resistant curtain wall of a building, which has the functions of sealing and expansion deformation under normal use conditions and prevents the internal fire spread in the horizontal direction in case of fire
3.7
reduction of radiation
ability of fire-resistant construction of curtain wall to prevent heat radiation under standard test conditions
3.8
internal fire exposure curve
standard curve used to simulate the temperature-time relationship in an internal fire of a building
3.9
external fire exposure curve
standard curve used to simulate temperature-time relationship in an external fire of a building
3.10
assistant fire- resistant member
member which meets the actual requirements for fire resistance rating of engineering, allows the installation and connection of test pieces, and has the functions of a closed test furnace
3.11
furnace closure member
combined member which is composed of supporting frame and/or heat insulation material and has the functions of a closed test furnace
3.12
movement capability
ability of firestopping between floor and curtain wall or firestopping between firewall and curtain wall to adapt to displacement change under the action of reciprocating load in the width direction of blocked joint
Foreword II
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of fire resistance performance
5 Test apparatus and instruments
6 Test conditions
7 Requirements for test pieces
8 Test piece installation and test zones
9 Measuring instrument layout
10 Test procedures
11 Test results and judgement
12 Test report
目次
前言 II
1范围 1
2规范性引用文件 1
3术语和定义 1
4 防火性能分级 3
5 试验装置及仪器 3
6 试验条件 3
7 试件要求 3
8 试件安装及测试区域 3
9 测量仪器布置 3
10 试验程序 3
11 试验结果及判定 3
12 试验报告 3
前言
本文件按照GB/T 1.1-2020《标准化工作导则第1部分:标准化文件的结构和起草规则》的规定起草。
请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。
本文件由中华人民共和国住房和城乡建设部提出。
本文件由全国建筑幕墙门窗标准化技术委员会(SAC/TC 448)归口。
建筑幕墙防火性能分级及试验方法
警告:执行本项试验的所有工作人员都应注意,本试验有可能对人身造成伤害。试验过程中,可能会产生有毒或有害的烟尘和烟气。在试件的安装过程、试验过程和试验后试件的清理过程中,均有可能出现机械性伤害和操作性危险。
试验前要对所有潜在的危险及对健康的危害进行分析,并做出安全预告。对相关人员进行必要的培训。实验室工作人员应严格按照安全操作规程进行操作,并采取可靠的防护措施。
1范围
本文件规定了建筑幕墙防火性能分级、试验装置及仪器、试验条件、试件要求、试件安装及测试区域、测量仪器布置、试验程序、试验结果及判定和试验报告。
本文件适用于建筑幕墙防火构造(包括防火幕墙、防火裙墙、层间防火封堵及隔墙防火封堵)的防火性能的分级及试验。
2规范性引用文件
下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文件,仅该日期对应的版本适用于本文件;不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。
GB/T 5907.1消防词汇 第1 部分:通用术语
GB/T 9978.1建筑构件耐 火试验方法第 1部分:通用要求
GB/T12513镶玻璃构件耐火试验方法
GB/T26784建筑构件耐火试验可供选择和附加的试验程序
GB/T 34327建 筑幕墙术语
3术语和定义
GB/T 5907.1 .GB/T 34327界定的以及下列术语和定义适用于本文件。
3.1
建筑幕墙防火构造fire-resistant construction of curtain wall
位于层间楼板或防火隔墙部位,具有--定防火性能,可阻断火焰、烟气蔓延或热量传递的缝隙封堵及外围护构造措施。
3.2
建筑幕墙防火性能fire-resistant performance of curtain wall
在标准试验条件下,建筑幕墙防火构造满足耐火完整性、耐火隔热性或降辐射热性要求的能力。
3.3
防火幕墙
fire-resistant curtain wall
位于建筑外墙开口部位,用于阻止室内外火灾蔓延的幕墙构造。
3.4
防火裙墙fire-resistant curtain wall outside spandrel area
位于建筑外墙.上、下层开口之间部位,用于阻碍室内外火灾蔓延的构造。
3.5
层间防火封堵
firestopping between floor and curtain wall
位于建筑层间实体墙或楼板与防火裙墙或防火幕墙之间,正常使用情况下具备密封和伸缩变形功能,遇火状态下阻止室内竖直方向火灾蔓延的封堵密封系统。
3.6
隔墙防火封堵firestopping between firewall and curtain wall
位于建筑防火隔墙及防火幕墙之间,正常使用情况下具备密封和伸缩变形功能,遇火状态下阻止室内水平方向火灾蔓延的封堵密封系统。
3.7
降辐射热性reduction of radiation
在标准试验条件下,建筑幕墙防火构造阻止热辐射的能力。
3.8
室内标准升温曲线
internal fire exposure curve
用于模拟建筑室内空间火灾温度-时间关系的标准曲线。
3.9
室外标准升温曲线
external fire exposure curve
用于模拟建筑室外空间火灾温度-时间关系的标准曲线。
3.10
耐火支撑辅件
assistant fire- resistant member
满足实际工程耐火极限要求,具备试件安装和连接条件,兼备封闭试验炉功能的构件。
3.11
炉体封闭构件furnace closure member
由支撑框架和/或隔热材料组成,具备封闭试验炉功能的组合构件。
3.12
位移适应性
movement capability
在封堵缝隙宽度方向往复荷载作用下,层间防火封堵或隔墙防火封堵适应位移变化的能力。