WorldWide Drilling Resource

ISEE is on the Move The International Society of Explosives Engineers (ISEE) announced it has officially moved its headquarters from Cleveland, Ohio, to Lexington, Kentucky. After many wonderful years in Cleveland, this move marks a new era of growth and opportunity for ISEE. From its new location, ISEE plans to continue expanding the value of membership by offering even more ways to connect, learn, and grow within the explosives engineering community. In a news release, the organization stated: We want to thank our members for being at the heart of everything we do. Your passion, expertise, and engagement drive our mission to enhance the safety, science, skill, and benefits of explosives engineering worldwide. We look forward to serving our members from Kentucky and to all the exciting developments ahead. For a link, click on this box in our online issue. No online issue? Register at worldwidedrillingresource.com WHO’S IN THE NEWS Additional announcement from Liebherr USA, Co. can be found in our online issue at: worldwidedrillingresource.com Robit Strengthens its Organization with New Appointments Robit announced the appointment of Rumisha Chaithram as VP Australasia and Michael Williams as VP North America. “These new appointments support the company’s strategic objective to strengthen its position as a global supplier of drilling consumables and lay the foundation for the next phase of development,” said Group CEO Mikko Kuusilehto. 13 DECEMBER 2025 WorldWide Drilling Resource® Filling in the Voids Adapted from Information by the NCFI Geotechnical Northwestern University is in the process of constructing a new football stadium in Illinois. As part of this project, a sheet pile retaining wall was installed providing permanent support for the section of the stadium built below ground level. To reinforce the wall, anchors and walers were incorporated by drilling holes through the sheet pile and into the underlying soil. However, during installation, the anchor points were not completely sealed, resulting in gaps allowing soil to escape through the wall. If not addressed, this issue posed a risk of developing voids and compromising the structural stability of the wall. To ensure the retaining wall’s integrity throughout the construction phase and prevent soil migration, Lincoln Company LLC was contracted to seal the anchor penetrations. This repair required a quicksetting material capable of creating a robust seal behind the sheet pile, resistant to the pressure of the surrounding soil. Crews excavated some of the nearby soil to provide adequate space for the sealing material to establish a backstop. Terrathane™ 24-010, a high-performance dual-component polyurethane system from NCFI Geotechnical Polyurethanes, was selected due to its rapid expansion and effective sealing properties. Once injected, the foam functioned like a cork, securely anchoring itself behind each opening to prevent further soil loss and potential water infiltration. The polyurethane injection effectively sealed all anchor points, stopping soil intrusion and safeguarding the area behind the wall from the risk of void formation. By promptly and efficiently addressing the issue with Terrathane™ 24-010, the project team ensured the structural integrity of the retaining wall remained intact, allowing the stadium construction to proceed without interruptions. This solution provided lasting durability without necessitating any disruptive excavation or reconstruction efforts. GEOTECH

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