模喷技术在北京鹰山特大断面隧道中的应用

Application of Pattern Plate Spraying Technique in Beijing Yingshan Super-large Scale Tunnel

摘要:

针对传统的喷射作业，砼回弹率高，喷射现场粉尘浓度大，介绍了一种“简易模喷”技术，它与“模喷机”相比，具有结构简单、施工方便等特点．

Abstract:

On account of high concrete bounce rate and high dust concentration in traditional operation at thespraying site,a simple and easy pattern plate spraying technique is introduced Compared with the pattern platespraying machine,it provides simple structure and is easy to handle.