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Lessons learned from a segmental retaining wall failure

Authors
Journal
Geotextiles and Geomembranes
0266-1144
Publisher
Elsevier
Publication Date
Volume
19
Issue
7
Identifiers
DOI: 10.1016/s0266-1144(01)00016-4
Disciplines
  • Criminology
  • Design

Abstract

Abstract A hybrid segmental retaining wall system using both steel and geosynthetic reinforcement failed in 1998. This segmental retaining wall failure is analyzed with respect to the design, and construction to determine the cause/causes of the failure. The results of the forensic analysis are presented along with the remedial measures necessary to correct the problem. The analysis identified the connection between the soil reinforcement and the segmental concrete units as the primary cause of the failure. The design of the wall used a proprietary software program that did not consider the connection strength of the hybrid system used. The remediation included the removal of the wall face and reconstruction increasing the connection capacity between the segmental concrete units and the reinforcement by a factor of three.

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