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《Sichuan Building Science》 2013-01
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Experimental research on self-monitoring and self-repairing of concrete bridge

GUO Dianjun(Liaoning Academy of Traffic Sciences,Taiyuan 030006,China)  
By the self-monitoring and self-repairing experiment to the concrete bridge beams along the length of the beam SMA(shape memory alloys) is embedded into.The relationship between the structural deformation of concrete beam and change of the SMA resistance was simulated and analyse when structural was metamorphosing.When,according to the beam embedded forecastly in the SMA implemented the corresponding voltage incentive.With the increase of temperature of alloy wire,martensite phase changed into austenitic phase.At the same time,the state of the plastic deformation disappeared.Under the current,becausing of restore power working to the concrete structure,structure deformation resumed.The self-healing and emergency self-repair of cracks in concrete structure came true.
【CateGory Index】: U446
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 Deng Zongcai Li Qingbin (Tsinghua University);ACTUATING EFFECTS OF EMBEDDED SHAPE MEMORY ALLOY ON CONCRETE BEAM[J];;2002-02
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 CHEN Husen1,ZHU Shifeng2,TANG Zhongbo3(1.Engineering Quality Security Superving,Chongqing 400060,China; 2.Bridge Science Research Institute Ltd.,China Zhongtie Major Bridge Engineering Group,Wuhan 430034,China; 3.Sichuan Road & Bridge Co.,Ltd.,Chengdu 610034,China);Applied exploration of the external vertically tensioned prestress in the reinforcement and reconstruction of old bridge[J];Sichuan Building Science;2011-05
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