
Prefabricated square tubes are ideal for a variety of applications, including tunnels, drainage systems, and short-span bridges. They effectively manage large volumes of water flow in drainage networks.
These square tubes are also well-suited for highway and railway structures. Their design allows them to withstand heavy vehicle loads without the need for additional surface filling or finishing, providing an integrated, durable solution that minimizes traffic disruption.
Compared to other materials and traditional cast-in-place methods, prefabricated square tubes require no backfilling after installation. This feature enables traffic to resume smoothly and quickly, reducing downtime and inconvenience.














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