关键词: 机械喷射手, 普通湿喷机, 经济性, 混凝土的回弹率, 速凝剂掺量

Abstract:

Economic comparison and analysis are made on robot shotcreting and ordinary wet shotcreting in terms of rebound, accelerator amount, shotcreting labors, energy consumption, working efficiency, working environment and occupational health, with the application of these two shotcreting methods in the construction of the entrance lot of Changhongling tunnel as an example. The study shows that robot shotcreting is superior in cost efficiency and technology and has a broad development prospects.

Key words: robot shotcreting, ordinary wet shotcreting, cost efficiency, rebound, accelerator amount