PB&A used their in-house soil nail program, “Winslope” in order to develop the design for FCI (Flatiron) Contractors, for this 83 ft. excavation. Because of the unusually high forces on the nails, following the general formula for soil nailing would have resulted in extraordinarily long nails. “Winslope” was used to engineer a post-tensioned soil nailing

• By: pbandainc
• Temporary Soil Nailing
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PB&A, Inc. has had a long history of designing Earth Retention Systems, many of which have employed soldier beam and shotcrete lagging as was used for the San Jose Airport Project. A good example of this is the North Hudson Project in Pasadena, California. The proximity of the I-210 freeway was a hurdle in getting

• By: pbandainc
• Temporary Soil Nailing
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