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Micro Piles |
Pressure Grouting |
Rock Anchors |
Permeation Grouting
Soil Nailing |
Compaction Grouting |
Micropiles |
Injection Grouting |
Chemical Grouting
Our
techniques apply when adding new structures:
especially
rock anchor,
microfine cement,
soil nailing,
micropile
installations for
foundation support.
We
specialize in
slope stabilization,
anchors,
permeation grouting,
foundation repair
and support,
grouting,
soil nails,
rock drilling,
micropile installations, and
sinkholes. We
use a
problem-solving approach geotechnical
architecture of buildings, bridges,
water plants, sewage plants, tunnels,
sinkholes,
caisson,
shoring,
underpinning,
agriculture, and
roads
construction. We
are experienced in these applications:
micro piles,
sinkhole repair,
permeation grouting, pressure
grout,
soil nails,
chemical grouting,
micropiles,
compaction grout, and
rock anchors.
Our specialties are
rock anchor,
acrylamide and
compaction grouting,
mini piles,
sinkhole repair,
micropiles,
acrylamide grouting, and
soil nailing.
We will continue to
dedicate ourselves to
excellence,
including
insurance mortgage, in our performance, in our
integrity, and in our relationships with our
customers. We will carefully weigh our
decisions, actions, and results to make sure
that we remain the most trusted name in the
geotechnical contracting industry. Please
visit our website
http://www.rembco.com/.
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JULY
1997
Tiebacks, Tiedowns, and Soil Nails
11-10
Soil nailing is a cost-effective alternative to conventional retaining wall structures when
used in situations with ground formations suitable for nailing.
Common nail wall applications include the following:
APPLICATION
DESCRIPTION
1
Temporary and permanent walls for building excavations.
2
Cut slope retention for roadway widening and depressed roadways.
3
Bridge abutments – addition of traffic lanes by removing end slopes from in
front of existing bridge abutments.
4
Slope stabilization.
5
Repair or reconstruction of existing structures.
Soil nail wall construction is sensitive to ground conditions, construction methods, equip-
ment, and excavation sequencing. For soil nail walls to be most economical, they should be
constructed in ground that can stand unsupported on a vertical or steeply slope cut of 3 to 6
feet for at least one to two days, and that can maintain an open drilled hole for at least
several hours.
Construction Sequence
Soil Nail Wall Construction Sequence is as follows:
SEQUENCE
DESCRIPTION
1
Excavate a vertical cut to the elevation of the soil nails.
2
Drill the hole for the nail.
3
Install and grout the soil nail tendon.
4
Place the geocomposite drain strips, the initial shotcrete layer, and install
the bearing plates and nuts.
5
Repeat process to final grade.
6
Place the final facing (for permanent walls).
Engineer’s Responsibility
The Structure Representative shall ensure that the soil nail wall is being built in accordance
with the contract documents. The Engineer is responsible for reviewing and approving the
Contractor’s submittal of construction details. The Structure Foundations Branch of the