Introduction to construction methods that can handle collapses with a presumed slip layer thickness of 1.5m or less as the standard.
This technology is a method to prevent overall landslides that occur across the entire surface layer of a slope, as well as localized collapses that occur within a narrow range between full-threaded deformed steel nails (hereinafter referred to as "nails"). It consists of an effective assembly of components against surface layer collapses by connecting and combining high-strength wire mesh, nails, spike plates, and other materials. There are two types of methods: one that addresses surface sliding using wire mesh and another that addresses falling stones and floating rocks using spider nets. 【Features】 ■ Designed to respond to collapses with an assumed sliding layer thickness of 1.5m or less ■ Effective component configuration against surface layer collapses *For more details, please refer to the PDF materials or feel free to contact us.
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【Results of Technical Review】 ■Performance in Preventing Overall Sliding of the Slope Surface - A safety check of the structure based on the allowable stress method was conducted against the sliding force generated by overall sliding with a sliding layer thickness of 1.5m or less on the slope surface, and a configuration using standard components is possible. - A safety check of the structure based on the allowable stress method was conducted with a maximum nail spacing of 2.5m, and a configuration using standard components is possible. - The validity of the above safety checks was confirmed through full-scale experiments. ■Performance in Preventing Local Collapse of Soil Between Nails - A safety check of the structure based on the allowable stress method was conducted against the sliding force generated by local collapse of each nail, and a configuration using standard components is possible. - The validity of the above safety checks was confirmed through full-scale experiments. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Daichi Corporation is a company that consistently undertakes work to prevent and restore landslides, slope failures, and rockfalls, which are threats from natural disasters (slopes). We carry out everything from the construction of disaster prevention facilities, geological surveys and design necessary for planning these facilities, to their maintenance and management. Please feel free to contact us if you have any requests.