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  1. Home
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  6. The superiority of the α Damper ExII in suppressing the reduction of building strength due to major earthquakes.

The superiority of the α Damper ExII in suppressing the reduction of building strength due to major earthquakes.

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last updated:Nov 26, 2025

トキワシステム
トキワシステム
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We are offering a free document explaining the advantages of "α Damper Ex II"!

This document introduces the advantages of the "α Damper Ex II," which suppresses the reduction of building strength due to major earthquakes. It includes graphs comparing the seismic performance goals during major earthquakes, as well as the effectiveness of seismic construction methods and the combination of seismic construction methods with the "α Damper Ex II." The "α Damper Ex II" helps maintain the structural performance of buildings even during large-scale earthquakes that occur very rarely (approximately once every few hundred years) or during multiple major earthquakes. Detailed information is available for free. Please view it by clicking the download button. [Contents Included] ■ Setting seismic performance goals ■ Comparison graphs of seismic construction methods and seismic construction methods + "α Damper Ex II" *For more details, please refer to the PDF document or feel free to contact us.

    Structural MaterialsVibration isolation, vibration control, and earthquake resistance constructionEarthquake-resistant construction method
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The superiority of the α Damper ExII in suppressing the reduction of building strength due to major earthquakes.

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  • Related Link - http://www.tokiwa-system.com/
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The superiority of the α Damper ExII in suppressing the reduction of building strength due to major earthquakes.

The superiority of the α Damper ExII in suppressing the reduction of building strength due to major earthquakes.

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トキワシステム

トキワシステム

Building materials, supplies and fixtures manufacturers

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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.

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