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Re: Reamer/Belling Bucket Toppling[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: <seaint(--nospam--at)seaint.org>
- Subject: Re: Reamer/Belling Bucket Toppling
- From: "R G TAYLOR" <abuild(--nospam--at)xtra.co.nz>
- Date: Tue, 28 Nov 2000 09:27:22 +1300
From Roy Taylor abuild(--nospam--at)xtra.co.nz
REAMER/BELLING BUCKET TOPPLING
A man was killed on a construction site in New Zealand recently when a 4.5 tonne, 1.2 metre diameter, 3.5 metre high reamer/belling bucket fell over on him.
The device is used for belling out the bottom of bored concrete foundation piles and it has been sitting upright on the ground unattached, when it toppled on its circular base and crushed the man.
Our sister company is preparing a report on the geotechnical aspects and unfortunately we are not able to disclose more details at this stage.
Any comments on the following inter alia would be appreciated:
toppling failures of reamers
practice for handling reamers
of placing reamer on soft ground
of incremental toppling of a reamer on a circular base with increasing bearing
capacity and decreasing segmental contact stress.
Anyone wishing to compare notes on a confidential basis could contact me on abuild(--nospam--at)xtra.co.nz
Thank you in anticipation.
Roy G Taylor
Peng (British Columbia)
Registered Engineer (New Zealand)
Facsimile: +64 4 478 3424
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