A system includes three power information security defense line is constructed, to achieve the information network, information outside the network, scheduling data network depth protection. According to the information security protection requirements, starting from the overall structure of information systems, taking into account the information system to schedule production system as the core, based on independent research and development of core information security isolation unit, set up three lines of defense in the power of information systems, electricity secondary system, information network systems, information systems outside the network partition protection.
An integrated electricity information security monitoring platform is presented, electrical information security integrated real-time monitoring of the state power applied information security systems, security equipment, network equipment, network boundaries, desktop computers, to improve information security monitoring, early warning, emergency response and defense capabilities to protect IT hardware, software and network security, which can guarantee continuous, reliable and efficient operation.
The high temperature characteristic of asphalt is closely associated with the performance of asphalt pavement. In this paper, repeated creep and recovery experiments are conducted for 2 kinds of base asphalt and 4 different kinds of modified asphalt. According to the pavement situation of China, two temperature levels (i.e., 60 °C and 70 °C) and two stress levels (120Pa and 300Pa) are selected in the test. We observe improved performance of the modified asphalt than the base asphalt, owing to the fact that the modified asphalt is a linear viscoelastic material, with special delayed elastic deformation and recovery properties. The high temperature performance of the modified asphalt is vulnerable to changes in temperature, stress and loads. We further perform rutting test and find that result is highly correlated with the viscous composition of creep stiffness (Gv), with the correlation coefficient being 0.9838 and 0.9813, respectively, indicating that Gv can well judge the merits of high temperature performance of different asphalt.
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