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Pile wall
Construction sequence
Secant pile wall construction sequence [example shown using twin rotary-drive technique see cased auger pile]
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Fields of application
• Can be installed throughout certain types of obstacles and old basement foundations (i.e. underground masonry).
• Depending on the applied technique (see § ‘Technical specifications’), drilling can be done through rock layers or concrete.
• Adaptable to irregular geometry and layout of excavations, difficult contours (with respect to diaphragm walls, pile walls have an increased construction alignment flexibility)
• Excavations of limited size (small-scale, with reduced dimensions)
• Sinking or reception shaft for seepage works.
Environmental impact
• Vibration-free
• Removal of soil
• Low noise pollution
• A stable, dry and flat work platform is needed.
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