High-strength plastic-steel composite sheet piles are a new type of hydraulic protection material manufactured through one-time extrusion molding using polymer-reinforced composite materials with a specialized formulation. Unlike traditional steel sheet piles, concrete piles, or timber piles, their shape follows mechanical principles, featuring a high-moment-of-inertia cross-section design paired with CT-type interlocking joints. This allows rapid assembly into continuous, watertight, and highly lateral-bending-resistant revetment/flood protection walls. flood walls. Available in standard and eco-friendly variants with ecological openings, they balance flood resistance with aquatic connectivity. Designated as an advanced applicable technology by China’s Ministry of Water Resources, these panels are widely deployed in river flood control, channel bank protection, lake remediation, and emergency flood response projects.
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