🔔 🔔 🔔 Secant pile walls are constructed by drilling and overlapping primary (unreinforced) and secondary (reinforced) piles to form a continuous retaining structure. They provide excellent groundwater control and structural stability in deep excavations, particularly for shafts, basements, and tunnel portals. The secondary piles are installed between the primary ones, cutting slightly into them to ensure full contact and minimise permeability. https://tunnel.engineering/courses/detail/tunnel-

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15K views · 124 reactions | ️ We’re hiring! Join us as an Engineer Crane & Lifting Equipment and play a key role in our offshore operations. If you’re passionate about safety, precision, and teamwork, we’d love to hear from you.  Bergen ️ Deadline: 04.08.2025  Apply now: https://www.odfjelldrilling.com/career/openings/engineer-crane-lifting-equipment/ #OdfjellDrilling #OffshoreJobs #EngineeringCareers #CraneAndLifting #JoinOurTeam | Odfjell Drilling | Facebook