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A platform for research: civil engineering, architecture and urbanism
Concrete Gravity-Based Structure
The gravity-based structure (GBS) was constructed in the sequences shown in in this article. After the steel skirts were installed, the base slab was placed in four sections. The concrete was pumped from the batching plants and discharged using placement booms at the slab location. Cost-effective and innovative vertical steel-panel bulkheads with horizontal corrugations were used as formwork between the sections because expanded sheet metal was insufficiently robust for a 1.8 and 2.5 m (5.9 to 8.2 ft) high construction joint subjected to high in-plane membrane forces and transverse shear. The steel bulkheads were supported on a concrete strip foundation that was cast to a height above the bottom reinforcement layers. A steel mesh was used above the bulkheads to allow access to the top layers of reinforcement. Headed studs and steel ribs were welded to the bulkheads to resist in-plane forces and to ensure proper bonding between the bulkhead and the concrete.
Concrete Gravity-Based Structure
The gravity-based structure (GBS) was constructed in the sequences shown in in this article. After the steel skirts were installed, the base slab was placed in four sections. The concrete was pumped from the batching plants and discharged using placement booms at the slab location. Cost-effective and innovative vertical steel-panel bulkheads with horizontal corrugations were used as formwork between the sections because expanded sheet metal was insufficiently robust for a 1.8 and 2.5 m (5.9 to 8.2 ft) high construction joint subjected to high in-plane membrane forces and transverse shear. The steel bulkheads were supported on a concrete strip foundation that was cast to a height above the bottom reinforcement layers. A steel mesh was used above the bulkheads to allow access to the top layers of reinforcement. Headed studs and steel ribs were welded to the bulkheads to resist in-plane forces and to ensure proper bonding between the bulkhead and the concrete.
Concrete Gravity-Based Structure
Widianto (author) / Jameel Khalifa / Gus Taborda / Knut Bidne
2016
Article (Journal)
English
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