V2EX fire resistance

Fire Resistance

释义 Definition

耐火性;耐火等级/耐火性能:指材料、构件或建筑结构在火灾条件下抵抗燃烧、保持结构完整性与隔热性能的能力,通常以可承受的时间(如 30/60/120 分钟)或测试等级来表示。(工程语境中也常简称为“耐火”)

发音 Pronunciation (IPA)

/far rzstns/

例句 Examples

Fire resistance is required for the doors in this hallway.
这条走廊的门需要达到一定的耐火性能。

The building code specifies the fire resistance rating for load-bearing walls to ensure occupants have enough time to evacuate during a fire.
建筑规范规定了承重墙的耐火等级,以确保火灾时人员有足够时间疏散。

词源 Etymology

fire 来自古英语 fyr(火);resistance 来自拉丁语 resistere(反抗、抵抗)。合在一起,fire resistance 字面意思是“对火的抵抗”,在现代英语中主要用于建筑、材料与消防工程领域,指可被测试与量化的“耐火能力”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • SFPE Handbook of Fire Protection Engineering(《SFPE 消防工程手册》)
  • NFPA 5000: Building Construction and Safety Code(NFPA《建筑施工与安全规范》)
  • *International Building Code (IBC)*(《国际建筑规范》)
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