9BANTHIA N,CHAN C.Use of Recycled Aggregate in Plain and Fiber Rein forced Shotcrete.ACI Concr Int,2000,22(6):41-45.
10POON C S,ANN T W YU,NG L H.On Site Sorting of Construction and Demolition Waste in Hong Kong.Resources,Conservation and Recycling,2001,32(2):157-172.