Conditions during heavy rain disasters at unit net construction sites.
Asakura City, Fukuoka Prefecture, Haki Hoshimaru, Shimizu Moto District From July 5 to 6, 2017, due to the inflow of warm and very humid air towards the stationary rainy front near the Tsushima Strait, a linear precipitation zone was formed and maintained, resulting in extremely heavy rain in the same location. This led to record-breaking rainfall in the northern Kyushu region and caused a heavy rain disaster. In Asakura City, Fukuoka Prefecture, where this heavy rain disaster occurred, unit nets were adopted and constructed in 2014 as part of a steep slope collapse prevention project. You can view the situation near the unit net construction site immediately after the disaster on the Geospatial Information Authority of Japan's YouTube account. The back side of the three-story building (elementary school) shown around 1:40 in the video below is the site where the unit net method was implemented. Despite numerous landslides occurring in the surrounding mountains, the area where the unit net method was applied did not experience any landslides. For more details, please refer to our company's website column and materials (available for download below).
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Overview of the "Unit Net Method" The "Unit Net Method" is a ground reinforcement technique that stabilizes slopes where trees and other vegetation grow, without cutting down those trees, while preserving the landscape and natural environment. It consists of a unit net that covers the entire slope in question, reinforcement materials (rock bolts) installed at the intersections of the net, and pressure plates at the heads of the reinforcement materials. NETIS Registration Number KK-010068-V (Published until April 2017) ● For more details, please contact us or download the catalog.
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We have a track record of 1,000 projects nationwide, with a total construction area of approximately 710,000 m². *We have construction achievements nationwide in areas such as steep slope measures, mountain conservation work, sediment control work, and road slope work. ● For more details, please contact us or download the catalog.
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Daika Corporation has contributed to the development of Japan's social infrastructure through the sale of industrial explosives since its establishment in 1931. Currently, the range of products handled by Daika includes industrial explosives, construction materials, slope disaster prevention technology, and synthetic resin products, among others. All of these are connected by keywords such as "reduction of environmental impact," "economic efficiency," "safety and security," and "maintenance and management." For example, in slope disaster prevention technology, while improving safety is a fundamental goal, we are also developing construction methods that have low environmental impact and are economically viable. Additionally, synthetic resin products possess the advantages of reducing environmental impact through recycling and excellent economic efficiency. In order to leave a slightly better living environment for the next generation, we aim to enhance our product offerings that seek harmony between the environment and society, contributing to the realization of a livable society now and in the future.