城市轨道交通车站 站台声学要求和测量方法 Acoustical requirement and measurement on station platform of urban rail transit  ICS  13.140 CCS  Q 84   中华人民共和国国家标准 GB/T 14227—2024 代替 GB/T 14227—2006 2024-09-2 9发布 2025-04-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布 目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     声学要求   ······························································································   2 5     噪声测量方法   ·························································································   2 6     混响时间测量方法   ····················································································   3 7     测量报告   ······························································································   4 附录 A （规范性）　站台噪声测点布置   ·································································   5 附录 B （规范性）　混响时间测点布置   ·································································   6 参考文献   ··································································································   7 GB/T 14227—2024     Ⅰ