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# 22.2.4 *Design Assumptions for Prestressing Reinforcement*

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22.2.4.1

For members with bonded prestressing reinforcement conforming to 20.3.1, stress at nominal flexural strength,

**, shall be calculated in accordance with 20.3.2.3.***f*_{ps}22.2.4.2

For members with unbonded prestressing reinforcement conforming to 20.3.1,

**shall be calculated in accordance with 20.3.2.4.***f*_{ps}### Related Code Sections

22.2.4 Sectional Strength,

*Design Assumptions for Prestressing Reinforcement*For members with bonded

*prestressing**reinforcement*conforming to 20.3.1, stress at nominal flexural strength, fps, shall be calculated in accordance ...22.5.2 Sectional Strength,

*Geometric Assumptions*of

*prestressed*and any nonprestressed longitudinal*reinforcement*but need not be taken less than 0.8h ...22.2.1.3 Sectional Strength,

Strain in

*prestressed*concrete and in bonded and unbonded*prestressed**reinforcement*shall include the strain due to effective*prestress*...22.2.1.4 Sectional Strength,

Changes in strain for bonded

*prestressed**reinforcement*shall be assumed proportional to the distance from neutral axis ...24.4.4 Serviceability Requirements,

*Prestressed Reinforcement**Prestressed*

*reinforcement*to resist shrinkage and temperature stresses shall conform to Table 20.3.2.2, and the effective

*prestress*after losses ...