Review on Research Progress and Application of Seismic Reinforcement Technology at Home and Abroad
DOI:
https://doi.org/10.54097/hydsen46Keywords:
Seismic Reinforcement Technology, Traditional Reinforcement Technology, New Material Reinforcement, Energy Dissipation and Vibration Reduction, Base Isolation Technology, Self-Recovery Technology, Structural Type, Development TrendAbstract
Earthquake disasters pose a serious threat to human life, property and infrastructure, and improving the seismic performance of existing buildings has become a global focus. Some existing buildings in China are in urgent need of scientific reinforcement due to problems such as low design standards and aging materials. The international community has also accumulated rich achievements in this field. In this paper, the seismic strengthening technology at home and abroad is systematically reviewed, which is divided into traditional technology ( increasing section, wrapped steel ), new material technology ( FRP, steel fiber reinforced concrete ), energy dissipation and shock absorption, isolation and self-centering technology. The principle, scope of application, advantages and disadvantages of each technology are deeply analyzed, and the differentiated strengthening requirements of masonry, reinforced concrete and steel structure are compared. Combined with typical cases such as reinforced-mortar strip reinforced masonry buildings and CFRP reinforced high-rise residential buildings, the technical effectiveness is verified. The research points out that the future seismic reinforcement technology will develop in the direction of green and intelligent materials, diversified technology integration, prefabrication and digitization of construction technology, perfection of theoretical norms and sustainable functionalization, providing key technical support for the construction of resilient cities.
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