Abstract
Metaconcrete has the potential ability of wave attenuation and vibration reduction, but there is still a lack of engineering component preparation and dynamic performance testing. In this research, metaconcrete slabs were designed and prepared, and modal tests and explosion tests were carried out. The high modal damping performance and vibration reduction characteristics of metaconcrete slabs were verified through modal tests. The wave attenuation performance, dynamic damping effect, anti-cracking and anti-spalling performance of metaconcrete slabs were verified through explosion tests. It is found that after adding resonators, the damping coefficient of the concrete slab significantly increases, and the crack width and spalling range decrease under blast load. These results show that metaconcrete slabs exhibit good dynamic performance and have the potential to be used in protective engineering.
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