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Pressure Grouting | Case Study
Project: Chesapeake City Courts Building Chesapeake Virginia

Pressure Grouting
Pressure Grouting
Description- The new courts building were experiencing settlement of a column footing. Column Footing D-1 experienced ¾”+/- during construction. The structure over the pier area is 4 stories above grade with steel columns and beams supporting concrete slabs over metal decks.

The resulting settlement most likely was due to tunnel construction. The tunnel joins the new courts building with the existing jail and runs under Albemarle Drive.

Column D-1 is 11’6” square and 2’2” thick. It was constructed on undisturbed soils and is 15’ below finished floor to the footing base. The footing had been backfilled, slabs poured, and the contractor was ready to install the interior framing systems and exterior finish.

Solution- Compaction grouting to compact/consolidate sub-soils surrounding and under footing
D-1. A total of 8 injection points were installed to a depth of 18’6” below finished floor. A total of 56.8 Cu. Ft. of grout was injected resulting in slight lift of the structure. As instructed by the engineers only slight lift was desired to confirm compaction. McCallum Testing performed soil borings upon completion of the work.

We are experts in:
foundation repair, slab jacking, helix piles, deep injection, soil densification, DOT, soil stabilization, pavement lifting, coastal damage, emergency repair, storm damage, geotechnical emergencies, sink hole remediation, concrete poly jacking, foam jacking, void fill, cellular concrete, cracked bricks, cracked foundation, cracked concrete, leaning chimney, helix anchors, and helix piers.

Our service area includes:
Virginia Beach, Norfolk, Chesapeake, Newport News, Hampton, Portsmouth, Suffolk, Yorktown, Williamsburg, Eastern Shore, Smithfield, Isle of Wight, Hampton Roads, Richmond, DC, Northern Neck, and Poquoson.

Contact:
(757) 356-1070
info.abinc@gmail.com



About Advanced Builders
Since 1986, our structural services company has provided outstanding foundation repair, slab jacking, helix piles, deep injection, soil densification, DOT, soil stabilization, pavement lifting, coastal damage, emergency repair, storm damage, geotechnical emergencies, sink hole remediation, concrete poly jacking, foam jacking, void fill, cellular concrete, cracked bricks, cracked foundation, cracked concrete, leaning chimney, helix anchors, and helix piers for clients in Virginia Beach, Norfolk, Chesapeake, Newport News, Hampton, Portsmouth, Suffolk, Yorktown, Williamsburg, Eastern Shore, Smithfield, Isle of Wight, Hampton Roads, Richmond, DC, Northern Neck, Poquoson and beyond.

 
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