Experimental Investigation Shiming Chen,Toi Limazie,Jianyao Tan D8@200 Φ14 5Φ10@225 Φ8@200 014 50106@225 器 0 50 5015050 1000 1000 (a)Specimen SCSFB 1 (c)Specimen SCSFB 3 Φ8@200 6010@200 D14 6010@200 Φ14 08@200 0 50 25D 000 1000 (b)Specimen SCSFB 2 (d)Specimen SCSFB 4 Experimental Investigation Shiming Chen, Toi Limazie, Jianyao Tan