Recently, the interests for the earthquake disaster reduction of stone pagoda structure have been increased. So, the seismic performance evaluation is required according to the construction types and seismic loads. Therefore, this study presents the structure types according to construction circumstances to compare seismic behavior characteristics of stone pagoda structures.

The integrated gang form system for outer insulation performs together the construction works of gang form and insulation. Therefore, this study presents the composition type of integrated gang form system and provides the several design cases for field application.

The connection parts of electric distribution cable can be damaged by wind and various types of outer loads. So, the reasonable connection system is required to solve these problems. Therefore, this study presents the composition type of self-tensioning connection system for electric distribution cable.

This study presents the experimental process to secure the shear capacity of connections for form integrated insulation structure. To this end, this study evaluates the capacity and safety of connections through the bearing capacity experiment according to the various design variables.

The protective cover system is needed for the safety and bearing capacity of underground cable pipe. This study evaluates the flexural capacity through the experimental study according to the several design variables for the protective covers.

As most infrastructure have low natural frequency for vibration, an energy harvester to operate wireless sensors for them should be aimed to low frequency and have high output efficiency. This study proposes the energy harvester with parallel-connected single crystal ceramic for low frequency in order to gain enhanced efficiency. The performance is confirmed by the experiment using the acceleration data of hangers in Yeongjong Bridge.