Sinkhole Solution (Available in Geo-Environmental Special Issue only)

by James D. Hussin, (M.ASCE), Dir. of Engrg. and Business Development; Hayward Baker, Inc., Tampa, FL,
Joseph A. Eduardo, (M.ASCE), Sr. Engr.; Ardaman & Assocs., Bartow, FL,
Dean A. Elliott, Proj. Mgr.; Hayward Baker, Tampa, FL,

Serial Information: Civil Engineering—ASCE, 1999, Vol. 69, Issue 10, Pg. 8A-16A

Document Type: Feature article


In the summer of 1998, a large sinkhole developed overnight in the center of the two-year-old Eagle Ridge Mall in Haines City, FL. The surface depression measured approximately 4.3 m deep and 12.2 m in diameter. Once the area was discovered the next morning, it was quickly partitioned off with temporary walls, and flowable fill was used to fill the depression and allow access for exploration equipment. Following a full geotechnical investigation, a remediation program of compaction grouting was recommended to stabilize the zone. While the stabilization was continuing, a second sinkhole developed in an anchor store that was part of the mall. The same methods were used to repair that depression.

Subject Headings: Sinkholes | Shopping centers | Fills | Compaction grouting | High-rise buildings | Urban areas | Walls | Geotechnical investigation | Florida | United States

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