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Earthquake Engineering

The National Center for Research on Earthquake Engineering (NCREE) of NARLabs equipped with a tri-axial shaking table, an L-shape reaction wall system, and a large strong floor test bed allows earthquake engineering simulations of structural components or systems in full-scale. NCREE links researchers and practicing professionals to build interdisciplinary knowledge and expertise using a variety of computational and experimental facilities in earthquake-related fields. Thus, NCREE engages in basic and applied researches that resolve critical seismic engineering issues. Due to the needs on pre-earthquake preparedness, emergency response, and post-earthquake recovery, the center brings together national academic resources, implements integrated research projects and develops enabling technologies for earthquake hazard mitigation.

Cloud network of early warning system for bridge collapses

NARLabs integrated its NCREE, TTFRI, CIC, ITRC, NCHC, NDL to develop an early warning system for bridge collapses. The system can estimate the extent of bridge scour at the midstream and downstream of rivers and give warning as early as six hours before the scour emerges. Moreover, the system can monitor water level, flow velocity, and the depth of pier scour and notify the authorities via cloud network. The system had
been installed on road and highway bridges in the Jhuoshuei River basin for long-term monitoring and system verification to ensure bridge safety.

Taiwan new high-strength reinforced concrete
A revolutionary new material for the construction industry
To implement carbon reduction and promote environmental sustainability, NCREE has promoted the "Taiwan new high-strength reinforced concrete structure" in recent years. Specifically, the strength of the steel and concrete was increased and became 1.8 and 3.6 times, respectively, higher than the conventional strength level. Such approach can effectively increase the floor height of buildings in cities, the internal space of buildings, and the external green area, thereby enhancing urban living quality.

Development of earthquake-resistant technology for nuclear power plants
Mastering critical technology, enhancing nuclear power safety
Frequent earthquakes in Taiwan show the importance of earthquake resistance capability of nuclear power plants. In response to the 2011 Japanese nuclear disaster, NCREE has conducted basic research and tests centering on the earthquake resistance capability of nuclear power plants, safety assessment, validation mechanism, and retrofitting technology, and has assisted Taiwan Power Company to ensure adequacy of the earthquake resistance capability and safety of domestic nuclear power plants.

A comprehensive system for early earthquake warning and loss estimation
Constructing an intelligent living space in terms of earthquake hazards reduction
The system provides assessment of structural safety and planning and training for earthquake disaster prevention before earthquakes. The system can give alarm ten more seconds before the arrival of devastating shear waves, helping people to evacuate and automatically closing hazardous pipelines and mechanical equipment to reduce disaster losses. In addition, the system can simultaneously monitor the building structure and assess the building safety, thereby expediting post-earthquake reconstruction.

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