[3] MEGUID M A, DANG H K. The effect of erosion voids on existing tunnel linings[J]. Tunnelling and Underground Space Technology, 2009, 24(3): 278-286.

[10] YAMAN I O, HEARN N, AKTAN H M. Active and non-active porosity in concrete part I: experimental evidence[J]. Materials and Structures, 2002, 35(2): 102-109.

[12] AMIANTI M, BOTARO V R. Recycling of EPS: a new methodology for production of concrete impregnated with polystyrene (CIP)[J]. Cement and Concrete Composites, 2008, 30(1): 23-28.

[13] MILED K, SAB K, ROY R L. Particle size effect on EPS lightweight concrete compressive strength: experimental investigation and modelling[J]. Mechanics of Materials, 2007, 39(3): 222-240.