Epoxy injection repairs to concrete in 225-B Building | Zendy

Florian Vollert | Zendy

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Epoxy injection repairs to concrete in 225-B Building

Author(s) -

Florian Vollert

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/329790

Subject(s) - epoxy , ceiling (cloud) , structural engineering , bracing , cement , portland cement , materials science , nondestructive testing , composite material , flange , engineering , brace , medicine , radiology

In 1982, the damaged anchor areas (67 total) in the Operating Gallery and cold manipulator shop ceiling reinforced concrete slabs were epoxy injection repaired by Construction Technology Laboratories (CTL), Portland Cement Association. The through depth vertical cracks (10 total) in the ceiling slabs in the galleries and manipulator shops were sealed and structurally repaired using epoxy injection procedures. The details of the epoxy reRair are reported. Sonic nondestructive (NDT) testing before and after the epoxy injection repairs were made by CTL to confirm that the repairs are structurally effective. CTL recommended to expedite the installation of lateral bracing for the manipulator monorail in order to avoid re-darnage to the repaired anchor areas

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