1 September 1999
e. Other Steel Embedments. Other steel embedments will be designed in accordance
with the provisions of ACI Committee 449 Report, "Concrete Nuclear Structures," Appendix B,
f. Special Considerations.
(1) Shear Transfer. The analysis of shear transfer will be in accordance with
provisions of ACI 318. Special attention will be given to transfer of shear at locations such as
shear heads, bases of walls, brackets and corbels.
(2) Compatibility. The combined action of flexible and rigid shear connectors will not be
considered as providing simultaneous shear transfer. Rigid shear connectors include
roughened surfaces and structural shapes. Flexible connectors include bolts, stirrups, dowel
bars, and ties.
(3) Mechanical Anchorage of Reinforcing Steel. Mechanical connections are permitted
for reinforcing steel in accordance with the provisions of ACI 318. There are many applications
that make the use of mechanical connections feasible or more practical. Information on the
types of mechanical connectors, their use, and design requirements can be found in the ACI
Committee 439 Report, "Mechanical Connections of Reinforcing Bars".
4-8. DETAILING REQUIREMENTS. Details and detailing of concrete reinforcement will
conform to ACI 315, "Details and Detailing of Concrete Reinforcement". Engineering and
placing drawings for reinforced concrete structures will conform to ACI 315R, "Manual of
Engineering and Placing Drawings for Reinforced Structures". For seismic areas, the design
and details will conform to TI 809-04, "Seismic Design for Buildings".
4-9. SPECIAL INSPECTIONS.
Periodic special inspection during and upon completion of the placement of
reinforcing steel in intermediate moment frames, in special moment frames, and in shear
walls is required.
Continuous special inspection during the welding of reinforcing steel for structural
members is required.
Periodic special inspection during and upon completion of the placement concrete in
intermediate moment frames, in special moment frames, and in shear walls is required.
Periodic special inspection is required during the placement and after completion of
placement of prestressing steel, and continuous special inspection is required during all
stressing and grouting operations and during the placement of concrete.
Periodic special inspection is required during the placement of anchor bolts,
expansion anchors, and chemically grouted anchors to verify the anchor system is in
conformance with approved plans and specifications.