Development of Seismic Retrofitting Technologies and Expansion of Their Application Scope
First written in FY2016. 9 of 10 entries say "Advanced", first in FY2017. Latest entry: FY2025.
2 other companies' latest entry also says "Advanced".
- FY2025AdvancedAnnual report
「In the fiscal year ended March 2025, we conducted additional experiments to verify the fatigue characteristics of brace materials and worked to improve reliability (10 cumulative construction projects). We also worked on developing a seismic-control component, a buckling-restrained brace, applying the inverted mechanism, and conducted performance-verification tests using full-scale specimens.」
Cumulative construction results for braces using the inverted mechanism reached 10 projects, and development of the seismic-control component progressed to performance-verification tests using full-scale specimens. - FY2024AdvancedAnnual report
「In the fiscal year ended March 2024, we conducted performance-verification tests on friction dampers used for seismic control in new buildings and prepared technical materials.」
The company conducted performance-verification tests and prepared technical materials relating to seismic-control braces and seismic retrofitting. - FY2023AdvancedAnnual report
「We obtained technical certification from the Japan Building Disaster Prevention Association for the seismic-control retrofit method, the first such certification in Japan (100 cumulative construction projects).」
Cumulative construction results for the seismic-control retrofit method increased from 97 to 100 projects, reaching a milestone figure. - FY2022AdvancedAnnual report
「We obtained technical certification from the Japan Building Disaster Prevention Association for the seismic-control retrofit method, the first such certification in Japan (97 cumulative construction projects).」
Cumulative construction results for the seismic-control retrofit method increased from 95 to 97 projects, while verification of the reinforcement effect and data accumulation at applicable projects continued. - FY2021AdvancedAnnual report
「Construction was carried out on 2 projects during the current fiscal year, bringing cumulative construction results to 95 projects.」
For the seismic-control retrofit method, construction was carried out on 2 projects during the current period, bringing cumulative construction results to 95 projects. Cumulative construction results for the seismic-resistant ceiling method were 2 projects. - FY2020AdvancedAnnual report
「During the current fiscal year, we conducted vibration measurements on projects where the method had been implemented to verify the reinforcement effect and accumulate data. Construction was carried out on 3 projects during the current fiscal year, bringing cumulative construction results to 93 projects.」
For the seismic-control retrofit method, the company reported construction results of 3 projects during the current period and 93 projects cumulatively, as well as verification of its effects through vibration measurements at applicable projects. - FY2019AdvancedAnnual report
「During the current fiscal year, we prepared specifications for steel-framed structures and conducted performance-verification tests for a ceiling suspension length of 4.5 m, expanding the applicable range.」
The company conducted performance-verification tests for a 4.5 m suspension length under the seismic-resistant ceiling method, further expanding its applicable range. It also reported verification of data from approximately 3,600 seismic-control braces. - FY2018AdvancedAnnual report
「During the current fiscal year, we conducted performance-verification tests to expand the applicable range of ceiling suspension lengths from 1.5 m to 3.0 m and renewed the construction technology performance certification. The method was also adopted for the first time during the current fiscal year, resulting in 1 order.」
The applicable range of the seismic-resistant ceiling method was expanded from 1.5 m to 3.0 m, its performance certification was renewed, and the company progressed to receiving its first order. - FY2017AdvancedAnnual report
「During the current fiscal year, we continued to conduct vibration measurements on projects where the method had been implemented, as in the previous fiscal year, and accumulated data.」
The company continued vibration measurements and data accumulation for projects using the seismic-control brace method, while advancing development to expand the application of inverted braces to warehouses and other facilities. - FY2016First statedAnnual report
「We obtained technical certification from the Japan Building Disaster Prevention Association for the seismic-control retrofit method, the first such certification in Japan. During the current fiscal year, we conducted vibration measurements on projects where the method had been implemented and accumulated data.」
The company is developing seismic technologies including seismic-control braces, inverted braces and direct pile-to-column connections.