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王  琴¹，張學恒²
（1 山東建筑大學工程鑒定加固研究所，濟南250014; 2 山東建筑大學設計研究院，濟南2500141)

[摘要] 通過商場扶梯改造的幾個典型工程實例，簡單介紹了扶梯改造的設計要點及注意事項?？晒╊愃乒こ痰母脑旒庸淘O計參考。
[關鍵詞] 扶梯改造；增大截面加固；植筋技術

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