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CHANGES IN THE CODE OF RULES 
FOR THE DESIGN OF STRUCTURES 
MADE OF CONCRETE WITH POLYMER 
COMPOSITE REINFORCEMENT

The article presents information about the 
changes made to the code of rules for the 
design of concrete structures reinforced with 
polymer composite reinforcement. New rules 
for the formation of relative deformations at 
the base point of a two-line diagram of concrete 
under axial tension, used to calculate 
reinforced concrete elements for the second 
group of limit states, are described. The rules 
for calculating re-reinforced structures of 
T-or I-beam cross-sections with a shelf in a 
compressed zone by the method of limiting 
forces are presented. The rules for taking into 
account the inelastic properties of concrete of 
the stretched zone when determining the elastic- 
plastic moment of resistance for the extreme 
stretched fibre of concrete with a rectangular 
cross-section and a T-shape with a shelf 
located in the compressed zone are clarified.