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  #201   IP: 86.139.112.208
Old 25-04-2016, 12:17 AM
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V8Druid V8Druid is offline
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Default Re: DA Rail Thread

great pix as usual DA ...... keep'em coming

Like the funnel

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  #202   IP: 86.187.171.74
Old 24-05-2016, 11:40 PM
APEarthworks APEarthworks is offline
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Default Re: DA Rail Thread

Just read the whole lot, Great thread great pictures !

Where were you in 2012-2013 in SA ? Which mine site ?
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  #203   IP: 122.150.127.208
Old 30-09-2016, 05:04 PM
DuckingAround DuckingAround is offline
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Default Re: DA Rail Thread

apologies alex, not on much these days.

2012/13 i was building track in Kararra mine and then up to Port hedland for fmg Solomon T155 expansion project.

then SA Iron Knob re opening at Whyalla

DA
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  #204   IP: 1.152.97.5
Old 20-11-2016, 05:42 AM
DuckingAround DuckingAround is offline
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Default Re: DA Rail Thread

Quote:
Originally Posted by V8Druid View Post
great pix as usual DA ...... keep'em coming

Like the funnel

Known as a "tremmie" Gra, it's supposed to stop the aggregate separating when in free fall if pouring over 2m deep we have to use it. Others are solid metre long sections you screw on to one another, we use them to pour the concrete under water if the hole is wet. The concrete goes to the bottom of the tremmie and pushes the water up and out with minimal mixing/deterioration of the concrete. Over pour it by a bit and it pushes all the crap out the top of the hole (in theory).

DA
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  #205   IP: 86.182.78.212
Old 20-11-2016, 12:00 PM
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AtlasRob AtlasRob is offline
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Default Re: DA Rail Thread

Quote:
Originally Posted by DuckingAround View Post
Known as a "tremmie" Gra, it's supposed to stop the aggregate separating when in free fall if pouring over 2m deep we have to use it. Others are solid metre long sections you screw on to one another, we use them to pour the concrete under water if the hole is wet. The concrete goes to the bottom of the tremmie and pushes the water up and out with minimal mixing/deterioration of the concrete. Over pour it by a bit and it pushes all the crap out the top of the hole (in theory).

DA
Very clever, simple, obvious when (if) you stop and think about it,
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