Passive Ground Anchors
Passive Ground Anchors
(OP)
We have some footings founded on rock that need to be anchored to the ground to prevent overturning. We'd like to core into the rock, clean the hole, and use a grouted rebar to engage the rock mass. All the literature I have seen suggests that post-tensioned anchors are typically used. Is this required or could a non-post-tensioned anchorage such as I've suggested be used? Is there any literature out there on this subject? The only time the anchors will see tension is when there's a design wind or earthquake load.





RE: Passive Ground Anchors
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RE: Passive Ground Anchors
RE: Passive Ground Anchors
RE: Passive Ground Anchors
RE: Passive Ground Anchors
http://www.williamsform.com/Ground_Anchors/Polyest...
http://www.williamsform.com/Ground_Anchors/Spin-Lo...
RE: Passive Ground Anchors
RE: Passive Ground Anchors
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RE: Passive Ground Anchors
RE: Passive Ground Anchors
RE: Passive Ground Anchors
RE: Passive Ground Anchors
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RE: Passive Ground Anchors
RE: Passive Ground Anchors
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RE: Passive Ground Anchors
RE: Passive Ground Anchors
If the drill holes are angles such that grout could run out of the drill hole, then one might use the resin cartridges. However, cartridges can be hard to mix if you are trying to spin a long, heavy ground anchor tendon. Pre-mixed grout is much more expensive than regular cement and water.
The bond for cement grout to smooth steel may not be the same as the bond for epoxy grout to smooth steel.
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RE: Passive Ground Anchors
RE: Passive Ground Anchors
EIT
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