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Rockfall prevention work "Rock Adhesive DK Bond Method" *Over 4000 construction achievements
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[Data] DK Bond Method Construction Performance Site Investigation Record (Hanshin-Awaji Earthquake)
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[Data] DK Bond Method Construction Performance Site Investigation Record (Western Tottori Prefecture, Geiyo)
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news list
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[December 14 (Tuesday) and 15 (Wednesday), 2021] Announcement of participation and presentation at the Construction Technology Fair 2021 in Chubu.
Our company will be exhibiting at the "Construction Technology Fair 2021 in Chubu" held at the Fukiage Hall (Nagoya Small and Medium Enterprise Promotion Center). This exhibition aims to promote the construction-related industry, advance technological development, and expand commercial transactions, widely introducing the appeal of construction technology and the necessity of social infrastructure development. Additionally, our company will be giving a presentation on the theme "Rockfall Countermeasures - Rockfall Prevention Works Considering the Landscape" at Presentation Venue 1 (2nd Fashion Exhibition Hall) on December 14 (Tuesday) from 13:25 to 13:55. We sincerely look forward to your visit.
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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.

About一般社団法人 全国落石災害防止協会
The Rock Bonding DK Bond Method integrates floating rocks with the bedrock by filling, sealing, and bonding the cracks and openings in the rock mass with DK Bond Mortar, thereby preventing rock falls.
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.