1. H. Qi, Investment in fixed assets in transportation will exceed 3.2 trillion Yuan in 2019, Econ. Daily, 2019.
2. Research progress and development trends of highway tunnels in China;He;J. Modern Transport.,2013
3. Statistical bulletin of transport industry development in 2019;M.o.t.o.t.p.s.R.o. China,;China Tunnel Construct.,2020
4. Review of the flame retardancy on highway tunnel asphalt pavement;Qiu;Constr. Build. Mater.,2019
5. Warm mix asphalt: an overview;Rubio;J. Cleaner Prod.,2012