// CODE SNIPPET

# 9.6.3 *Minimum Shear Reinforcement*

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A minimum area of shear reinforcement,

**, shall be provided in all regions where***A*_{v,min}**except for the cases in Table 9.6.3.1. For these cases, at least***V*> 0.5ϕ_{u}*V*_{c}**shall be provided where***A*_{v,min}**.***V*> ϕ_{u}*V*_{c}**Table 9.6.3.1—Cases where A_{v,mi}_{n} is not required if 0.5ϕV_{c} < V_{u} ≤ ϕV_{c}**

Beam type | Conditions |
---|---|

Shallow depth | h ≤ 10 in. |

Integral with slab | h ≤ greater of 2.5t or 0.5_{f}b_{w}and h ≤ 24 in. |

Constructed with steel fiber-reinforced normalweight concrete conforming to 26.4.1.5.1(a), 26.4.2.2(d), and 26.12.5.1(a) and with f' ≤ 6000 psi_{c} |
h ≤ 24 in.and |

One-way joist system | In accordance with 9.8 |

If shown by testing that the required

*and***M**_{n}**can be developed, 9.6.3.1 need not be satisfied. Such tests shall simulate effects of differential settlement, creep, shrinkage, and temperature change, based on a realistic assessment of these effects occurring in service.***V*_{n}If shear reinforcement is required and torsional effects can be neglected according to 9.5.4.1,

**shall be in accordance with Table 9.6.3.3.***A*_{v,min}**Table 9.6.3.3—Required A_{v,min}**

Beam type | A/_{v,min}s | |||
---|---|---|---|---|

Nonprestressed and prestressed with A< 0.4(_{ps}f_{se}A + _{ps}f_{pu}A)_{s}f_{y} | Greater of: | (a) | ||

(b) | ||||

Prestressed with A≥ 0.4(_{ps}f_{se}A+ _{ps}f_{pu}A)_{s}f_{y} | Lesser of: | Greater of: | (c) | |

(d) | ||||

(e) |

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