The development and application of nondestructive testing technology for prestressed
reinforced concrete structures in the field of infrastructure construction were summarized in …

This work devises a method to monitor the width and depth of cracks in underwater concrete
structures employing active sensing technology based on embedded smart aggregates …

A lot of studies have been conducted to introduce self-prestress to structures using Fe-based
shape memory alloys (Fe-SMAs). Technology to introduce self-prestress using Fe-SMAs can …

Damage detection of railway tracks is vital to ensure normal operation and safety of the rail
transit system. Piezoelectric sensors, which are widely utilized to receive ultrasonic wave …

Stress in rock masses is an important parameter in the design and construction of
underground engineering, such as the design and maintenance of mine roadways and the …

Since concrete structures are usually accompanied with cracks during service life, it is of
great significance to conduct health monitoring for damage assessment and warning. In …

In this paper, we designed defects considering different sizes, burial depths and
arrangement modes in the grout-filled lap connection specimens to carry out impact echo …

Carbonation depth is essential to determine the durability and predict the remaining service
life of concrete structures. This study proposes a multi-frequency Rayleigh wave …

Narrowband tone burst excitation with carefully selected frequency is generally utilized to
generate lamb waves for mode purity, dispersion diminution and signal interpretability and …