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Stud-welded Masonry Retrofit Anchor System
The Prudential Building Chicago
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The Chicago Jewellery Exchange
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Stud-welded Masonry Retrofit Anchor System
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| Designed to restore lateral tieback to the supporting steel frame, the nelson® stud-welded masonry retrofit anchor has been successfully installed in repair applications to restore structural
integrity to damaged or deteriorating masonry systems. Combining two diverse material technologies. CINTEC's R&D department working with Boyd Associates, Inc. developed a masonry retrofit anchoring system which combines welded steel studs with
the CINTEC® retrofit masonry anchor system.
The system is installed by first drilling small holes through the masonry to the surface of the structural steel member. A separate bit is then used to lightly mill away any surface rust or buildup on the surface of
the steel member. A threaded stud is then fusion welded onto the steel member using a special adapter mounted on the standard stud gun. Following stud installation, a standard CINTEC® masonry anchor with a special adapter is threaded onto the
stud and completed in the standard manner.
This anchoring system has been used to restore ties to brick and terra cotta in situations which would have otherwise led to mare extensive and costly removal. Current applications have included both short term and
permanent repair of masonry in which the original tie materials were either missing or severely deteriorated. In situations where eventual removal may take place in the future, the threaded studs can remain as the permanent structural tie for the
new masonry.
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Engineers for the Chicago Jewellery Exchange
Jon M. Boyd Consulting
Structural Engineer
Engineers for the Alternative Repair System
to the Prudential Building
Simpson Gumpertz & Heger Inc.
Consulting Engineers |
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