It absorbs the shaking of earthquakes and reduces building deformation by about half. Over 10,000 buildings in total!
The Kumamoto earthquake that occurred on April 14, 2016, made us re-recognize the dangers of direct earthquakes. The current seismic standards of the building code are set to withstand seismic intensity of 6 strong or higher, but it is also necessary to consider the damage from repeated aftershocks, as seen in the Kumamoto earthquake, which caused significant damage to buildings. This is where the option of "damping" in addition to seismic resistance becomes important. The Tokiwa System's α Damper ExII reduces earthquake damage to buildings by about half and is effective against repeated aftershocks. Our reliable and proven damping technology will protect you and your loved ones from earthquakes. Seven reasons to choose the 'α Damper ExII': 1. Can be installed on all types of wooden houses (new, existing, traditional frame, 2x4). 2. Highly durable and maintenance-free. Comes with a reassuring 20-year warranty. 3. Simple installation that can be done by one person in about half a day. 4. Effectively absorbs the shaking from repeated earthquakes. 5. Low price that allows for standard adoption by housing brands. 6. Layout planning for the α Damper ExII is provided free of charge by the manufacturer. 7. Over 10,000 units installed, trusted by major builders.
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basic information
The α Damper Ex II is a hydraulic (oil) vibration control damper that utilizes principles similar to those of a car's shock absorber. By adopting it in addition to seismic construction methods, it reduces deformation caused by earthquake shaking by approximately half, preventing damage to the structural joints and non-structural components of the building. Unlike brace-type vibration control devices, it is compact and can be distributed around the perimeter, providing stable vibration control effects. Performance tests have been conducted at various public testing institutions and universities. For a two-story wooden house with a total floor area of about 40 tsubo, approximately 24 units are installed, and it can be easily installed using dedicated screws, requiring only a moderate amount of effort. If you provide us with the drawings, we can consider the installation positions (free of charge).
Price range
P3
Delivery Time
P2
Applications/Examples of results
Seismic control (vibration control) devices for wooden houses have been adopted in over 8,000 buildings, primarily in the Tokai and Tonankai earthquake warning areas.
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Company information
Tokiwa System Co., Ltd. is a company that develops, manufactures, and sells the seismic control device αDamperExII. It is a pioneer in seismic control devices using hydraulic dampers. The αDamperExII has received the number one track record and trust in the Tokai and Tonankai earthquake warning areas, and it will soon be adopted in 10,000 buildings. The αDamperExII is a hydraulic seismic control device that reduces building deformation caused by earthquake shaking by approximately half.
