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Slab Jacking and Void Grouting | Case Study
Project: Renovation of Ivy Farms Apartments, Newport News, Virginia

Slab Jacking and Void Grouting
Slab Jacking and Void Grouting
Slab Jacking and Void Grouting
• Architect- Burkhart Thomas, P.C.
• Geotechnical Engineer- Herbert and Associates, Ltd.
• Structural Engineer- Donald Coghlan P.C.
• General Contractor- Beacon Construction Company
• Financing- Virginia Housing Development Authority

Description- The apartment complex was built over a landfill around 1960. The project consists of one hundred and forty-four, two story, wood framed apartment units that have brick veneer exteriors. The exterior walls are on pilings with concrete grade beams. The interior slabs are floating on grade construction. There is severe to moderate interior settlement and voids between the slabs and sub-soils.

Solution
- Herbert and associates recommended slab jacking and pressure grouting for the problem areas. Advanced Builders, Inc. designed an injection schedule and a layout grid to complete the following . . .

Slab Jacking and Void Grouting-
• Apartments- 54 total
• Foyer/ Entrance Halls- 1 total

Pressure Grouting to 11' Below Grade-
• Apartments- 7 total
• Foyer/ Entrance Halls- 1 total

A total of 396 cubic yards of stabilizing cementitious grout was utilized for the jacking and grouting process, which filled the voids and achieved corrections of the slabs with lifts as great as 8".

Exterior Problems- Several of the units showed signs of exterior settlement, which consisted of cracking of the foundation and masonry veneers. The solution was to install Magnum 3" steel piers, with heavy-duty Magnum angle brackets. The piers were installed 6' on center, as directed by the Architect, to stop further settlement and stabilize the affected areas.

• Magnum Piers Installed- 38 total
• Average Depth- 39' deep
• Average Ultimate Bearing Capacity- 30 kips
• Average Working Bearing Capacity- 15 kips

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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