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This document is a collection of follow-up investigation photographs related to the Rock Bond DK construction method. It includes observations from construction sites affected by major earthquakes in Japan, including the 1995 Great Hanshin-Awaji Earthquake, as well as recent large-scale earthquakes. The content presents follow-up investigations conducted over "10 years, 15 years" since those events. [Contents] ■ Greetings ■ Follow-up investigation from 1997 construction ■ Follow-up investigation from 2002 construction ■ Follow-up investigation from 2003 construction ■ List of follow-up investigation sites for DK Bond method in Kochi Prefecture ■ Follow-up investigation after the Geiyo Earthquake *For more details, please refer to the PDF document or feel free to contact us.
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The construction method of this technique closes cracks and openings to prevent loosening of the rock due to weathering, while also dispersing concentrated stress in the area. It exhibits excellent durability against repeated loads such as earthquakes and demonstrates a high rockfall prevention effect. When applying this method, its features include: 1. It can be applied to large rocks and high-altitude rocks that have high potential in mountain slopes and similar areas. 2. It can fix natural rock formations in their current state, and the construction traces harmonize with the landscape, making it particularly effective for use in natural parks and scenic areas. 3. Since there are no alterations to the natural features or new structures, and the construction equipment is minimal, it can be easily combined with other methods.