王  琴¹，张学恒²
（1 山东建筑大学工程鉴定加固研究所，济南250014; 2 山东建筑大学设计研究院，济南2500141)

[摘要] 通过商场扶梯改造的几个典型工程实例，简单介绍了扶梯改造的设计要点及注意事项。可供类似工程的改造加固设计参考。
[关键词] 扶梯改造；增大截面加固；植筋技术

Strengthening and  alternation  of existing commercial building for additional escalator
Wang Qin¹,  Zhang Xueheng²
(1 Engineering Research Institute of Appraisal and Strengthening, Shandong Jianzhu University,  Jinan 250014, China; 2 Institute of Design and Research,  Shandong Jianzhu University,  Jinan 250014, China)

Abstract: Design key points and considerations on commercial building strengthening and alternation for additional escalator are briefly introduced through serveal typical examples. These exmaples can be used as references for the similar strengtheing projects.
Keywords: altemation of escalator; section enlargement; planting-bar technique