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. 2022 May 17;15(10):3583. doi: 10.3390/ma15103583
SC saw-cut,
PC prestressed concrete,
FE finite element,
SG strain gauge,
MBN magnetic Barkhausen noise, Barkhausen noise technique,
SRA Slovak Road Administration,
SCM saw-cut method,
SRM structural response method,
Ep modulus of elasticity of prestressing steel (MPa),
fp tensile strength of prestressing steel (MPa),
fy yield stress of prestressing steel (MPa),
NA numerical analysis,
TDA time-dependent analysis,
fc,cyl cylindrical compressive strength of concrete (MPa),
fc,cube cubic compressive strength of concrete (MPa),
ft tensile strength of concrete (MPa),
ν Poisson’s ratio (-),
σc,0 initial stress in concrete (MPa),
σc,30 stress in concrete after application of saw-cuts (MPa),
Δσc change in stress (MPa),
ΔPm62,residual residual prestressing force (kN),
Ai ideal cross-sectional area (m2),
Ap cross-sectional area of prestressing steel (m2),
epi ideal eccentricity of prestressing force from the neutral axis (m),
Iyi ideal second moment of inertia (m4),
zi position of the neutral axis of an ideal cross-section from the edge (m),
MG moment due to dead load (kNm).