Abstract: Based on the test method and technical requirements of JT/T 1369—2020 standard, analysis of its test and evaluation methods, and combined with the test data of 12 commercial buses frontal crash, the structural safety of the front part of the buses and the injury of the passengers inside the buses are studied and analyzed, the improvement measures for improving bus frontal crash safety are put forward, which can provide a useful reference for bus product safety design and development.

Key words: JT/T 1369—2020; Commercial buses; Frontal crash safety; Occupant residual space; Occupant protection

摘要： 基于 JT/T 1369—2020 标准的试验方法及技术要求，解析其测试评价方法，并结合 12 辆营运客车正面碰撞的试验数据，研究分析客车前部结构安全性及车内乘员损伤情况，提出 客车正碰安全性提升改进措施，为企业产品安全性设计开发提供参考。

关键词: JT/T 1369—2020；营运客车；正碰安全性；乘员生存空间；乘员保护