ACI 372R

Description / Abstract: The recommendations supplement the general requirements for reinforced concrete and prestressed concrete design and construction given in ACI 350 and ACI 350.5. Design and construction recommendations cover the following elements or components of circular-wrapped prestressed concrete structures:

a) Floors

i) Reinforced concrete

b) Floor-wall connections

i) Hinged

ii) Fixed

iii) Partially fixed

iv) Unrestrained

v) Changing restraint

c) Walls

i) Cast-in-place concrete walls with steel diaphragms or vertical prestressing

ii) Shotcrete walls with steel diaphragms

iii) Precast concrete walls with steel diaphragms

d) Wall-roof connections

i) Hinged

ii) Fixed

iii) Partially fixed

iv) Unrestrained

e) Roofs

i) Concrete dome roofs with a prestressed dome ring, constructed with cast-in-place concrete, shotcrete, or precast concrete

ii) Flat concrete roofs

f) Wall and dome ring prestressing systems

i) Circumferential prestressing using wrapped wire or strand systems

ii) Vertical prestressing using single or multiple highstrength strands or bars