超高性能钢纤维混凝土抗二次接触爆炸性能研究  

Study on the Characteristics of Ultra-High Performance Steel Fiber Reinforced Concrete under the Second Explosion

作　　者：戎志丹[1,2] 孙伟[1,2] 张云升[1,2] 佘伟[1,2] 

机构地区：[1]江苏省土木工程材料重点试验室,江苏南京211189 [2]东南大学材料科学与工程学院,江苏南京211189

出　　处：《华北水利水电学院学报》2012年第6期1-4,共4页North China Institute of Water Conservancy and Hydroelectric Power

基　　金：国家自然科学基金项目(5070201);江苏省土木工程材料重点实验室基金项目

摘　　要：采用复合技术制备了两种强度等级的超高性能钢纤维混凝土(UHPSFRC),对6块靶体进行了抗一次和抗二次接触爆炸试验,对比分析了靶体材料的抗爆炸性能.结果表明,制备的超高性能钢纤维混凝土具有优异的抗一次和抗二次爆炸性能.对压缩系数进行了计算分析,建议超高性能钢纤维混凝土(有粗骨料)CF150的压缩系数取为0.112,超高性能钢纤维混凝土(无粗骨料)CF200取为0.096,且CF200的抗二次爆炸压缩系数要降低到80%左右.Two kinds of ultra-high performance steel fiber reinforced concrete （UHPSFRC） were prepared by composite technology to improve the compressive strength of concrete used in defense works and its anti-repeat-strike ability. Six tests on concrete targets under one time explosion and second explosion were performed and the characteristics were analyzed. The results indicated that the materials prepared had remarkable anti-one-time-explosion and anti-second-time-explosion. The explosive compression coefficients were computed and it was found that the explosion compression coefficients of CF150 and CF200 were 0.112 and 0. 096 respectively. The explosive compression coefficients of CF200 under the second explosion were reduced to 80%.

关 键 词：超高性能钢纤维混凝土 二次爆炸 压缩系数 

分 类 号：TU528.572[建筑科学—建筑技术科学]