News & insights
Foundations & basements
Diaphragm walls, bored piles, driven and jacked piles, and basements built open-cut or top-down.
Articles
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Diaphragm wall construction method
Guide walls, panel excavation under supporting fluid, cage installation, joint waterproofing and tremie concreting, with typical problems and remedies.
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Bored pile construction method
Equipment, fluid checks, drilling, cage installation, base cleaning and concreting of bored piles, with typical problems and remedies.
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Driven and jacked precast piles: construction method
Preparation, pile checks, driving sequence, jacking stop criteria, load testing and how to prevent cracked or broken precast concrete piles.
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Open-cut (bottom-up) basement construction
Retaining systems, king piles, installing and preloading struts, excavating a strutted pit, with common mistakes and remedies.
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Top-down basement construction
Kingposts, the top-down sequence for the ground and basement slabs, ventilation, lighting and diaphragm wall monitoring during excavation.