后安山隧道工程进口500m范围内采用拱墙铺设双层防水板中间加保温板的防水保温设计方法,为解决如何采用无钉法依次铺设“防水层+保温层+防水层”的问题,在施工现场先后试验了各种铺设方法后,总结出最经济、环保,并且符合设计要求和便于现场操作。 After the Anshan tunnel project within the 500m range of arch walls with double waterproofing board insulation between the middle of the design of waterproof and thermal insulation, in order to solve how to use nailless method followed by the laying of “waterproof layer + insulation layer + waterproof layer” problem , Has tested a variety of laying methods at the construction site, summed up the most economical and environmentally friendly, and meet the design requirements and facilitate on-site operation.