Some typical D'Appolonia projects related to forensic analysis and remedial design are provided in the following: |
Forensic Analysis of Foundation Movements and Remedial Design
D’Appolonia was retained to investigate the cause of movements of structural foundations associated with a coal preparation complex in West Virginia. We developed and managed the implementation of several remedial measures including vertical drains, horizontal drains, pond liners, and surface drainage systems.
Evaluation of Changed Conditions and Embankment Redesign
D’Appolonia evaluated various design alternatives related to stabilizing a roadway at several locations. Modifications of the original designs were developed and provided to the Arizona DOT.
Forensic Analysis and Redesign of Failed Rock Slope
D’Appolonia was retained by the City of Pittsburgh to determine the reason for the failure and to redesign a failed 100-foot-high rock slope adjacent to a heavily traveled route. The work included geologic reconnaissance, review of designs by others, stability analyses, development of a remedial design, preparation of plans and specifications, and full-time monitoring of the repair work.
Slope Stability Evaluation at New England Superfund Site
D’Appolonia was retained to plan a geotechnical exploration program, to evaluate the stability of the debris mass associated with a failed landfill embankment slope, and to develop remedial design concepts for closure of the landfill site.
Forensic Evaluation of Floor Slab Cracking and Ground Heave
D’Appolonia performed a forensic geotechnical evaluation for identification of the cause for floor slab cracking and crawl space ground heave at a school in Western Pennsylvania. Our evaluation included review of design and construction documents; reconnaissance of the building interior, exterior and crawl space; a floor slab level survey; and sampling and testing of mine spoil from the crawl space and around the outside of the builing.
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