Rockfall prevention work "Rock Adhesive DK Bond Method" *Over 4000 construction achievements
[47 Years of Durability Verification] Can be constructed without heavy machinery! A rockfall prevention structure that harmonizes with nature and preserves the landscape. No changes observed even after the Hanshin-Awaji Earthquake and the Great East Japan Earthquake.
The "Rock Adhesion DK Bond Method" is a technique that uses adhesive material (DK Bond Mortar) to bond unstable rock masses to solid bedrock, thereby achieving stability by integrating them. The method aims to prevent the fall of floating stones and rolling stones that are the source of rockfalls, and is applied directly to the source of rockfall. 【Features】 ■ Effective for large boulders and high-altitude rocks ■ Easy to combine with other methods ■ Effective for preserving natural landscapes *For more details, please download the PDF or feel free to contact us.
basic information
【Can be used in such places】 ■ Scenic conservation areas ■ On steep cliffs and high places ■ Even on very unstable boulders 【Construction achievements】 Over 4,000 cases nationwide (as of August 2024) *For more details, please download the PDF or feel free to contact us. The downloaded materials contain information as of May 2023.
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For more details, please download the PDF or feel free to contact us.
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Added construction results for stone wall (stone masonry) repairs【Odawara Castle Goyomei Kurwa】.
The Rock Bond DK method is a technique that stabilizes unstable rock masses by bonding them to stable bedrock using an adhesive material (DK Bond Mortar). Since the first public works project implemented in Okayama Prefecture in 1977, there have been approximately 3,700 construction achievements across all 47 prefectures in Japan by June 2020, spanning over 40 years. In addition to construction on rock masses and boulders, there has been an increase in requests for construction on stone walls due to the inconspicuous nature of the work. This time, we carried out construction at the rice granary of Odawara Castle. *Please refer to the related catalog for construction photos.
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Added construction results for stone wall (stone masonry) repairs at Takaoka Kojo Park, Asaharubashi.
The rock bonding DK bond method is a technique that stabilizes unstable rock masses by using an adhesive material (DK bond mortar) to bond and integrate them with stable bedrock. Since the first public works project implemented in Okayama Prefecture in 1977, there have been approximately 3,700 construction achievements across all 47 prefectures in Japan by June 2020, spanning over 40 years. In addition to construction on rock masses and boulders, requests for construction on stone walls have also increased due to the inconspicuous nature of the work. This time, we carried out construction at Asaharubashi in Takaoka Kojo Park, Takaoka City, Toyama Prefecture. DK bond mortar was filled into the empty spaces of the bridge pier. *Please refer to the related catalog for construction photos.
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Added construction results for stone wall (stone masonry) repairs at Bitchu Matsuyama Castle ruins.
The Rock Adhesion DK Bond Method is a technique that stabilizes unstable rock masses by bonding them to stable bedrock using an adhesive material (DK Bond Mortar). Since the first public works project implemented in Okayama Prefecture in 1977, there have been approximately 3,700 construction achievements across all 47 prefectures in Japan by June 2020, spanning over 40 years. In addition to construction on rock masses and boulders, there has been an increase in requests for construction on stone walls due to the inconspicuous nature of the work. This time, we carried out repairs at the Bitchu Matsuyama Castle ruins in Takahashi City, Okayama Prefecture. We repaired cracks in the natural bedrock that serves as the foundation for the stone wall. *Please refer to the related catalog for construction photos.
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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.
