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Subsurface Investigations
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02-25-2008, 05:24 PM
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#1 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Subsurface Investigations
The other week we were talking about ways to detect rock at a site, and I noticed not too many guys know alot about test borings and soil testing. Anyway, I've been taking some pics of the different methods since. Enjoy...
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02-25-2008, 05:26 PM
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#2 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Re: Subsurface Investigations
GPR for utility locations...found a big one
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02-25-2008, 05:28 PM
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#3 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Re: Subsurface Investigations
test pit to find depth of footings
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02-25-2008, 05:30 PM
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#4 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Re: Subsurface Investigations
ground water monitorings wells, first and last photos shows setup for a permiabilty test (to estimate how fast water will flow into the excavation)
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02-25-2008, 05:33 PM
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#5 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Re: Subsurface Investigations
Drill rigs, truck mounted CME 45 and track mounted CME 55, last photo, shows mud rotary drilling with the 45
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02-25-2008, 05:35 PM
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#6 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Re: Subsurface Investigations
Standard penetration test, 1st pic 2" split sampling spoon, 2nd pic 140lb hammer dropped 30" for 2' interval. 3rd pic is the soil sample
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02-25-2008, 05:38 PM
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#7 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Re: Subsurface Investigations
3-7/8" tricone roller bit for soil, NX core barral for rock, close up of diamond bit
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02-25-2008, 05:42 PM
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#8 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Re: Subsurface Investigations
1st: 5' rock core from about 100' in NJ,
2nd: me and a driller with 10' rock core from about 600' in NY |
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02-25-2008, 05:47 PM
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#9 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Re: Subsurface Investigations
1st: a 55 pulling 50' of rods next to the heli landing pad at the airport
2nd: Mini rig drilling under a transformer at a substation. Yes that baby was live, notice all the 5' long rods. Thats all we could pull or it would arc over. |
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02-25-2008, 06:47 PM
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#10 |
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Vagitarian
Trade: site and utility contractor
Join Date: Jan 2006
Location: Dallas, PA
Posts: 3,092
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Re: Subsurface Investigations
How can those guys see what they are doing when they have those black blobs surrounding their faces all the time ??
__________________
Life is hard. It is harder when you are stupid Uncle Sam wants YOU....to speak ENGLISH |
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02-25-2008, 06:54 PM
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#11 |
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Pro
Trade: Geotechnical PE
Join Date: Nov 2005
Location: North NJ
Posts: 317
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Re: Subsurface Investigations
I always ask before taking a photo, some guys said they didn't want their face on the internet. Probably because I told them the website was drillerfantasy.com, anyway got to respect that.
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02-25-2008, 07:14 PM
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#12 |
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Moderator
Trade: GC - Remodeling Specialists
Join Date: Jul 2006
Location: Arkansas
Posts: 4,618
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Re: Subsurface Investigations
Re: Black Blobs.
I thought I had discovered the mother lode of folks in the federal witness protection program or something. Working under that transformer, scary. You do some really cool stuffs Ch0mpie.
__________________
"My clients’ wishes are the center of my attention." -- David Guido, a contractor in Woodstock, N.Y. New York Times, July 20, 2006 |
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