Taiwan Professional Engineers Paper Proposes Durable Bridge Drainage Systems
Structures · Construction methods · Smart operations
An article in Taiwan's civil engineering newsletter analyzes bridge drainage leakages and joint failures, advocating for durable HDPE pipes and mechanical joints over conventional PVC standards.
Writing for the Taiwan Professional Civil Engineers paper, industry specialists address bridge water leakage caused by aging PVC pipes and traffic vibrations. Citing a 26-year operational track record of HDPE pipes on Taiwan's West Coast Expressway, the authors propose durable mechanical joints, flexible buffer connectors, and life-cycle costing, urging authorities to update design specifications.
Key takeaways
- Traditional PVC drainage pipes suffer degradation and joint loosening; authors recommend high-weatherability HDPE pipes with mechanical anti-pullout joints.
- To resolve clogging and corrosion at junctions, the paper proposes enclosed helical buffer joints optionally paired with air release valves to improve hydraulic capacity.
Source：台灣省土木技師公會｜技師報 Read the original ↗
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