INTROdUCTION
Sitecast Structure Bay Cast-in-place concrete systems were developed before pre-cast concrete and steel systems became a viable option. Many new technolozation
of
finishing,
have
kept
30’-0”
fundamentals
gies, such as re-usable formwork and mechanisitecast
construction a favorable option. Construction time is much longer due to the assembly of formwork and reinforcing bars. This type
of
system
must
be
constructed
floor-by-floor. Two sitecast systems commonly used for parking garages are a Two-Way Flat Slab with Drop
types
Panels and a One-Way Joist Slab.
Two Way Slab with Drop Panels
15’-0”
Requires no beams and is heavily reinforced. The typical slab depth is between 5 to 12 inches which minimizes floor-to-floor height. Drop panels are used to thicken the concrete in order to spans.
However this system requires a large
amount of columns.
1.1
1.2
8’-0” 18”
SOURCES
PLANNING AND DESIGN
resist high shear forces which allows for longer
30’-0”
15’-0”