Additional Deep Excavation Case Studies
The following table provides basic information on additional case studied for deep excavations. The majority of the deep excavations are supported by slurry walls. Wall Types: RCDW: Reinforced Concrete Diaphragm Wall, SPTC: Soldier Pile & Tremie Wall, SPW: Sheet Pile Wall, SP: Soldier Pile and Lagging, TPW: Tangent Pile Wall, SMW: Soil Mix Wall
| Project Name | Year | RCDW | Exc. Depth (feet) | Support System | General Soil Conditions |
|---|---|---|---|---|---|
| State Transportation (Boston, MA) | 1982 | RCDW | 27 | 2 Lev. TB, R | Fill, Org., Clay, Glacial Till |
| One Memorial Drive (Boston, MA) | 1985 | RCDW | 30 | 2 Lev. TB | Fill, Org., Clay, Glacial Till |
| 500 Boylston (Boston, MA) | 1987 | RCDW | 42 | 4 Lev. TB | Fill, Org., Clay, Glacial Till |
| Amoco Standard Oil (Chicago, IL) | 1971 | RCDW | 23 - 44 | 1 Lev. TB | Fill, Org., Clay, Glacial Till |
| Water Tower (Chicago, IL) | 1973 | RCDW/ SPTC | 44 | 1 Lev. TB and 1 Lev. R | Fill, Org., Clay, Glacial Till |
| Prudential 2 (Chicago, IL) | 1986 | RCDW/ SPTC | 25 | 1 Lev. TB, and 1 Lev. R | Fill, Org., Clay, Glacial Till |
| AT & T Corp. Center (Chicago, IL) | 1987 | RCDW | 27 | 3 Lev. Rakers | Fill, Org., Clay, Glacial Till |
| Northwestern University (Chicago, IL) | 1993 | RCDW | 23 | 1 Lev. Tiebacks | Fill, Org., Clay, Glacial Till |
| Museum of Science and Industry (Chicago, IL) | 1996 | RCDW | 34 | 3 Lev. Tiebacks | Fill and Stiffer Clays |
| 60 State Street Bldg. (Boston, MA) | 1975 | RCDW | 32 | 3 Lev. Tiebacks | Fill, Glacio-Marine |
| Dana Farber Tower (Boston, MA) | 1995 | RCDW | 88 | 6 Lev. Rakers | Fill, Glacio-Marine, Bedrock |
| World Bank Bldg. (Washington, DC) | 1991 | RCDW | 60 | 5-Lev. Tiebacks | Mixed Sands, Silts & Clays, Rock |
| Washington Conv. Center (Washington, DC) | 2000 | RCDW | 30 | 1-Lev. TB, and 1 Lev. R | Mixed Sands, Silts & Clays |
| 75 State Street Building (Boston, MA) | 1983 | RCDW | 65 | 6-Lev. Top/Down | Fill, Org., Clay, Till, Bedrock |
| Rowes Wharf (Boston MA) | 1984 | RCDW | 55 | 5-Lev. Top/Down | Fill, Glacio-Marine, Bedrock |
| 125 Summet Street Bldg. (Boston, MA) | 1990 | RCDW | 60 | 6-Lev. Top/Down | Fill, Org., Clay, Till, Bedrock |
| Post Office Square Garage (Boston, MA) | 1989 | RCDW | 75 | 7-Lev. Top/Down | Fill, Org., Clay, Till, Bedrock |
| Beth Israel Hospital (Boston, MA) | 1994 | RCDW | 55 | 7-Lev. Top/Down | Fill, Org., Clay, Till, Bedrock |
| Millenium Place Bldg. (Boston, MA) | 1998 | RCDW | 55 | 7-Lev. Top/Down | Fill, Glacio-Marine, Bedrock |
| Guest Quarters Hotel (Chicago, IL) | 1989 | RCDW | 35 | 3-Lev. Top/Dow | Fill, Org., Clay, Glacial Till |
| M.B.T.A. South Cove (Boston, MA) | 1973 | RCDW | 53 | 3-Lev. Cross Lot Braces | Fill, Org., Clay, Till, Bedrock |
| Flagship Wharf Bldg. (Boston, MA) | 1989 | RCDW | 47 | 3-Lev. Cross Lot Braces | Fill, Org.,Glacial Outwash, Glacial Till, |
| Petworth Subway Station (Washington, DC) | 1995 | RCDW | 60 | 6-Lev. Cross Lot Braces | Fill, Sands |
| C.N.A Tower . Building (Chicago, IL | 1970 | RCDW | 31 | 1 Lev. Rakers and Berms | Fill, Org., Clay, Glacial Till |
| Sears Tower (Chicago, IL) | 1971 | RCDW | 32 | 3 Lev. Rakers and Berms | Fill, Org., Clay, Glacial Till |
| CB-1 (Yerba Buena) Tower (San Francisco, CA) | 1999 | RCDW | 66 | 2 Lev. Struts, 1 Lev. Rak, (Alt Tieback) | Fill, Org., Sand, Bay Mud. |
| Beso Mare (Patras, Greece) | 2001 | 25 (7.5 m) | 1 Lev. TB | Interbedded Clays & Silts |
*Most of these case studies have been compiled through graduate research at MIT. We would like to recognize and thank all companies and individuals for their contributions, making such an extensive compilation possible. These include (but not limited), GEI consultans, Haley & Aldrich, STS consultants, Mueser Rutledge Consulting Engineers, Shnabel Foundattions, and Clark Foundations.
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