China project / Shenzhen-Huizhou
Shenzhen-Huizhou intercity rail segment samples pass inspection
PowerChina's Sinohydro Bureau 14 reported on August 6, 2026 that shield-segment steel mold and rebar-cage samples for the Shenzhen-Huizhou intercity rail Lot 1 Qianbao-Wuhe project passed first-article inspection on August 4, moving segment production toward batch manufacturing.
Key points
- The first-article inspection covered shield-segment steel mold and rebar-cage samples before batch segment production.
- The reinforced-concrete segment rings have an 8,800 mm outside diameter, 8,000 mm inside diameter, 400 mm thickness, 1,800 mm ring width and seven blocks per ring.
- The listed segment parameters include C50/C60 concrete, P12 impermeability grade, mesh polypropylene fiber, 18.99 cubic meters of concrete per ring, HPB300 and HRB400E reinforcement, staggered assembly and oblique bolted connections.
Source context
Source: China Water Resources and Hydropower 14th Engineering Bureau / PowerChina. Open the original publication for dates, figures and full context.
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View original sourceSource details
- Project: Shenzhen-Huizhou intercity rail Lot 1, Qianbao-Wuhe section.
- Publisher: China Water Resources and Hydropower 14th Engineering Bureau Co., Ltd.; internal source line: Rail Engineering Company.
- Event date: August 4, 2026; publisher date: August 6, 2026.
- Inspection participants listed by the source included construction owner, design, supervision, construction and segment-production units.
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