Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
4.1 Concrete
4.1.1 Normal-weight concrete for cast-in-situ chimneys
4.1.2 Concrete for prefabricated chimneys
4.2 Mortar for bedding of prefabricated elements
4.3 Reinforcing steel
5 Material properties
6 Structural design
6.1 Actions
6.2 Effect of actions
6.2.1 General
6.2.2 Partial safety factors
6.2.3 Moments of 2[nd] order
6.2.4 Superposition of effects from thermal and
other actions
6.3 Verification
6.3.1 General
6.3.2 Ultimate limit state
6.3.3 Serviceability limit state
7 Detailing provisions
7.1 Cast-in-situ chimneys
7.1.1 Minimum vertical reinforcement
7.1.2 Minimum horizontal reinforcement
7.1.3 Minimum reinforcement around openings
7.1.4 Distance between bars
7.1.5 Minimum concrete cover
7.1.6 Minimum wall thickness
7.1.7 Splices
7.2 Prefabricated concrete chimneys
7.2.1 Minimum reinforcement for transportation
of prefabricated elements
7.2.2 Minimum horizontal reinforcement
7.2.3 Minimum concrete cover
7.2.4 Minimum wall thickness
7.2.5 Vertical continuous bundles of bars
7.2.6 Openings
8 Workmanship
8.1 General
8.2 Bedding joints
8.3 Reinforcement ducts
9 Quality control
9.1 Cast-in-situ chimneys
9.2 Prefabricated chimneys
Annex A (normative) Analysis of stresses due to thermal
and other actions
A.1 Moment-curvature-relation
A.2 Calculation procedure
Annex B (normative) Limitations of crack widths