Alternative Title

Paper No. 1.01

Location

St. Louis, Missouri

Session Start Date

3-8-1998

Session End Date

3-15-1998

Abstract

This paper discusses a case history involving two buildings which were constructed over compressible soils at a site along the Christina River in Wilmington, Delaware. The buildings, which were constructed in 1987, have undergone significant settlement of both shallow and deep foundation elements. As of early 1995, some of the pile foundations for one of the buildings were observed to have settled as much as 8 inches, while portions of the floor slab were observed to have settled as much as 9-112 inches since the completion of construction. As a result of these large settlements, the owner retained the author's firm to evaluate site soil and structural conditions and provide recommendations for remedial action. This paper presents a summary of the soil conditions, the settlements which occurred after construction, as well as the remedial measures taken to repair the structure.

Department(s)

Civil, Architectural and Environmental Engineering

Appears In

International Conference on Case Histories in Geotechnical Engineering

Meeting Name

Fourth Conference

Publisher

University of Missouri--Rolla

Publication Date

3-8-1998

Document Version

Final Version

Rights

© 1998 University of Missouri--Rolla, All rights reserved.

Document Type

Article - Conference proceedings

File Type

text

Language

English

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Case History of Two Building Experience Large Post Construction Settlements - Wilmington, Delaware

St. Louis, Missouri

This paper discusses a case history involving two buildings which were constructed over compressible soils at a site along the Christina River in Wilmington, Delaware. The buildings, which were constructed in 1987, have undergone significant settlement of both shallow and deep foundation elements. As of early 1995, some of the pile foundations for one of the buildings were observed to have settled as much as 8 inches, while portions of the floor slab were observed to have settled as much as 9-112 inches since the completion of construction. As a result of these large settlements, the owner retained the author's firm to evaluate site soil and structural conditions and provide recommendations for remedial action. This paper presents a summary of the soil conditions, the settlements which occurred after construction, as well as the remedial measures taken to repair the structure.