Special Conditions Masonry Wall with Structural Steel Frame

Summary:
When structural steel frames are infilled with concrete block and veneered with
masonry units, flashing installation can get complicated. The system is essentially
a masonry cavity wall with a structural steel frame support system. However,
standard cavity wall detailing is not adequate for the conditions that occur with
the addition of the steel frame. Difficult flashing conditions occur at steel columns
embedded in the concrete masonry. Flashing installation is further complicated
at shelf angle and corner locations. Steel tolerances are substantially greater
than masonry tolerances, so irregular field conditions are to be expected at
the interface of the two materials. A complex series of cuts and folds are required
to install flashing at these locations. Additional time, effort, and skill are required by the mason to produce successful flashing installation.

Format:
Pages :6
Size: 780 kb
Author : Resource Information rom the International Masonry Institute

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