Larger-Diameter MRXX Pile Construction Method and Acquisition of Performance Evaluation
First written in FY2017. 3 of 7 entries say "Advanced", first in FY2020. Latest entry: FY2025.
2 other companies' latest entry also says "Advanced".
- FY2025AdvancedAnnual report
「We completed obtaining regulatory approvals for RANK-PHC and RANK-ST piles, high-strength piles used in our core construction methods, including the MRXX method, the Hyper Straight method and the Hyper-NAKSⅡ method.」
The company completed obtaining regulatory approvals for the high-strength piles used in the MRXX method and other methods, establishing a framework to fully leverage the capabilities of its core construction methods. - FY2024ReframedAnnual report
「We are also working to obtain regulatory approvals for new pile materials used in our core construction methods, including the MRXX method, the Hyper Straight method and the Hyper Straight NT method.」
The description of the company's efforts has expanded from training activities following certification of the MRXX method to obtaining regulatory approvals for new pile materials used in core construction methods, including the Hyper Straight methods. - FY2021AdvancedAnnual report
「We focused on training managers and skilled workers to ensure awareness of the performance, construction quality and construction management methods for the MRXX method, one of our core construction methods, for which we obtained a modified certification from the Minister of Land, Infrastructure, Transport and Tourism in the previous consolidated fiscal year.」
For the MRXX method, the company has progressed to training activities to ensure that managers and skilled workers are familiar with its performance, construction quality and construction management methods following the certification obtained from the Minister of Land, Infrastructure, Transport and Tourism in the previous fiscal year. - FY2020AdvancedAnnual report
「As part of efforts to expand the application range of the MRXX method, one of our core construction methods, we obtained a performance evaluation from the Japan Building Center that relaxed the applicable ground N-value range and partially increased the end-bearing capacity coefficient, and subsequently obtained certification from the Minister of Land, Infrastructure, Transport and Tourism.」
For the MRXX method, the company obtained certification from the Minister of Land, Infrastructure, Transport and Tourism in addition to a performance evaluation from the Japan Building Center, marking progress toward expanding its application range. - FY2019RestatedAnnual report
「We will continue efforts to expand the application range of the MRXX method undertaken in the previous consolidated fiscal year.」
The company continues efforts to expand the application range of the MRXX method. - FY2018ReframedAnnual report
「To expand the application range of the MRXX method, one of our core construction methods, we worked to increase its diameter and obtain regulatory approval for the evaluation formula for pullout strength.」
The policy of expanding the application range of the MRXX method continues, but the explanation has been made more specific and organized, shifting from obtaining a performance evaluation to increasing the diameter and obtaining regulatory approval for the evaluation formula for pullout strength. - FY2017First statedAnnual report
「To meet demand arising from higher axial loads on individual columns in recent years, we worked to increase the diameter of the MRXX method and sought to obtain a performance evaluation from the Japan Building Center.」
The company is increasing the diameter of the MRXX method and seeking to obtain a performance evaluation from the Japan Building Center as measures to address demand arising from higher axial loads.