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FP McCann - Cadeby Precast Concrete Tunnelling Time-lapse

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Time-lapse showing FP McCann's precast tunnel segments being installed in cadeby tunnel project by HB Tunnelling.
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Опубликовано:

22 авг 2024

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Комментарии : 10

@ABanksy Год назад

This is one of the best caisson videos on RU-vid. Very cool to see them hit the water table.

@andrewthomas695 Год назад

I really dig this.

@shaunmurphy9438 4 месяца назад

Happy memories from years ago. Well, sort of

@phill9765 Год назад

Was the concrete ring liner sinking under its own weight/mass ? Or was it being pushed down by hydraulics ?

@FPMcCann1 18 дней назад

While excavating the ground, the weight of the ring causes it to sink down.

@ssajid40 2 года назад

How does it sink without nothing pushing down?

@stevenmitsy1 Год назад

The weight of the segments and the fact of the digging machine is undermining the ground under the cutting edge ..ive put down 12 meter shafts without using the jacks but still need them incase it sticks for any reason ..Plus you can use digging machine to nudge it down also by putting the weight of the bucket on top of shaft