The backbone of infrastructure: Custom steel formwork solutions for bridges and underground pipe galleries

Core Summary:

• Industry Trends: Global investment in smart cities and heavy infrastructure is set to surge in 2025, and it is projected that the market size will exceed 35 trillion yuan by 2030 [1].

• Core Advantages: Customized steel formwork, with its extremely high yield strength, can withstand the huge lateral pressure of wet concrete and can be reused hundreds of times, significantly reducing the long-term costs of large-scale infrastructure projects.

• Practical Verification: Ingkol Metal, backed by Yonfron Group, has successfully verified its heavy steel formwork in challenging projects such as the Xi'an Kunming Road Elevated Bridge and the Science Avenue Underground Comprehensive Pipeline Tunnel [2, 3].

As 2025 approaches, global investment in smart city infrastructure and heavy civil engineering projects is surging. According to the "2025 Global and China Smart City Data Panoramic Development Report" released by IIM, the smart city market is experiencing structural growth, and it is projected to exceed 35 trillion yuan by 2030, with China contributing more than one-third [1].

These projects face extraordinary challenges, including extreme concrete lateral pressure and extremely strict safety and durability standards. Under these demanding technical requirements, customized steel formwork stands out as the only reliable choice for modern infrastructure construction.

Why are heavy infrastructure projects required to use custom steel formwork?

Custom steel formwork is highly favored due to its outstanding physical properties (particularly the extremely high yield strength and rigidity). These properties enable it to effectively withstand the significant lateral pressure generated by wet concrete during pouring and curing, ensuring precise shaping without deformation while maintaining structural integrity.

Unlike traditional wooden or aluminum formwork, steel formwork can be reused hundreds of times, significantly enhancing the cost-effectiveness of the project over a long construction period. According to the analysis by China Research and Planning Holdings, the underground integrated pipe gallery industry in China is entering a trillion-yuan growth stage by 2025, highlighting the crucial role of heavy formwork solutions [2].

Breakthrough in bridge pier construction: The Kunming Road Elevated Case

During the construction of the bridge piers, custom steel formwork can create complex cross-sectional shapes and provide flawless surface finish, usually achieving the strict standards of "plain concrete".

The Xi'an Kunming Road Elevated Expressway Rapid Road project, which was constructed by the parent company of Ingkol Metal - Yonfron Group, is a prominent example. The 3.4-kilometer-long project faced extremely tight schedules, and Ingkol Metal tailored a heavy-duty bridge pier formwork system, enabling rapid assembly and continuous pouring cycles, ensuring the timely opening of this crucial urban corridor.

The Rise of Urban Underground Pipe Lanes: A Practical Case of the Science Avenue Project

The Xi'an Science Avenue underground comprehensive pipe lane project fully demonstrates the stringent construction challenges. This tunnel project requires an 8-degree seismic design standard and must implement extremely strict waterproof measures [3].

The custom steel formwork of Ingkol Metal provided sturdy and precise molds, ensuring flawless pouring of the reinforced concrete structure. This system not only met the strict seismic design standards but also eliminated the risk of leakage by achieving continuous and defect-free pouring.

Ingkol Advantage: A powerful engineering tool created by the general contractor for the contractor.

The unique advantage of Ingkol Metal lies in its deep integration with the Yonfron Group. This means that our customized steel formwork system is not merely a theoretical design but has undergone rigorous on-site testing and verification in extremely demanding practical projects such as the Kunming Road Elevated Road and the Science Avenue Pipeline Tunnel.

Conclusion

Customized steel formwork is a pillar of modern infrastructure construction, providing essential strength, precision, and efficiency for the next generation of heavy civil engineering projects. To build the future infrastructure with confidence, please contact Ingkol Metal immediately.

References

[1] IIM. (2025). Global and Chinese Smart City Data Panorama Development Report 2025.

[2] China Research and Intelligence. (2025). China Underground Pipeline Construction Industry Report 2025.

[3] CNKI. (2025). 2025 China Urban Underground Space Development Blue Book.