B. Prestress system & member type

Cl. 3.14–3.16 · Cl. 20.3.2

Prestress typePre-tensionedPost-T bondedPost-T unbondedStructure typeType 1 — no tensionType 2 — tension, no crackingType 3 — cracking allowedSection shapeRectangularT-beamI-beamExposure conditionMildModerateSevereVery severeExtremeTendon profileParabolicHarpedStraightTrapezoidalRelaxation classNormal relaxationLow relaxation

C. Concrete properties

Cl. 6.1 · 6.2

f_ck (Cl. 6.1)N/mm²f_ci at transfer (Cl. 24.3.2)N/mm²Unit weight kN/m³Creep coefficient φ₀ (Cl. 6.2.5)Shrinkage strain ε_cs (Cl. 6.2.4)Relaxation long-term factor (Cl. 19.5.2.3)

D. Prestressing steel

Cl. 5.6.1

f_p N/mm²E_s (PS) N/mm²No. of strands Strand diameter mmTendon typeWireStrandBar

E. Untensioned reinforcement

Cl. 5.6.2 · 23.4.3

f_y N/mm²E_s (rebar) N/mm²φ_t tension bars mmn_t φ_c compression bars mmn_c φ_v stirrup mmf_yv N/mm²n_v legs b₁ c/c corner bars mmd₁ c/c corner bars mms_v provided mm

F. Geometry

Cl. 12.1.6 · 19.5.2.6

Overall depth D mmWeb width B mmFlange width b_f mmFlange thickness D_f mmBottom flange b_bf mmBottom flange D_bf mmEffective depth d mme at midspan mme at support mmHarping point a mmSpan L mmCover mm

G. Loading (direct entry — Excel parity)

Table 7

M_d dead N·mmM_l live N·mmM_sw self weight N·mmV_d dead NV_l live NT torsion N·mm

H. Post-tensioning & end zone

Cl. 19.5.2 · 19.6.2

μ friction k wobble /m Tendon length from jack mAnchorage slip mmy_p0 mmy_0 mmy_p0 (Y) mmy_0 (Y) mmA_st provided X mm²A_st provided Y mm²