Research Of The Electrode Construct Based On The Carbon Fiber Reinforced Concrete Structure Healthy Monitoring System

The fatigue, damage or unexpected calamity of using civil engineering structure will threaten the property and the security of people's life. It's an important science and technique problem related to the country's sustainable development to research self-monitor and exploration of the self-adaptive control system of great building infrastructure. It's becoming more and more attention for the Carbon fiber cement has wiled application in non-damage online monitoring and repair of civil engineering. The mainly monitoring object is material's property in pressure-sensitivity property of Carbon fiber-reinforced cement-based composites, through the fractional change in electrical resistance, the safe, damage and destroy stage of carbon fiber-reinforced cement-based composites can be detected. yet the electrode is the bridge connect sample and apparatus. The electrode's assign, content of examine, range of examine, stress state and test precision related to the electrode.It's important to assign the electrode when determine the position of damage, range of examine, and test precision. Difference stress situation can be reflected through the well assign of electrode, yet this problem has not been pay enough attention. We do think that electrodes and its' construct is one of the key points of the self-monitoring system of carbon fiber-reinforced cement, The development of electrode's constructed plays an important role in carbon fiber concrete.We compare two mainly kinds of electrode form in carbon fiber cement base composite resistance measurement: scenes shape electrode, pole shape electrode, Studies show that pole shape electrode has superior performance in small area test the resistance of the carbon fiber concrete, flexible assign, monitoring data, than that of scene of shape electrode.This article research electrode construct including electrode interval, diameter of the electrode, way of connective affect the test result.All of these offer the experiment basis for further concrete component, assign of the structure electrode. Compare the stress of carbon fiber concrete component (roof beam, column) of pole shape electrode with that of strain gage. The result indicates, in the component normal stage, well placed pole electrode, can perceive the stress gradient of the component, and it has one to one mapping with strain gage. The pole electrode also sensibility, has self- forecast. We...