(ACI318-19, 22.5.6.2)įor two-way shear of slabs, a new size effect factor, λ is introduced in the allowable concrete shear stress, Vc, without shear reinforcement. The calculation of Vc for prestressed members has been modified for those members where the full effective prestress force has been transferred to concrete. The requirements for Av,min for non-prestressed and prestressed beams are modified.

One-way shear strength provisions for non-prestressed members in relation with the calculation of Vc for non-prestressed members have been modified per Table 22.5.5.1 (see below) and sections 22.5.5.1.1 through 22.5.5.1.3. (ACI 318-19, 9.3.3.1)įor the calculation of the minimum flexural reinforcement amount for beams with fy exceeding 80,000 psi, the value of fy shall be limited to a maximum of 80,000 psi. The reinforcement strain limit for beams. Bar curtailment in Buildersum was adjusted for compliance. Minimum extensions for deformed reinforcement. This change applies to cracked deflection calculations in the program where fr is used to calculate cracking moments, Mcr. (ACI 318-19, 7.6.1.1)įor two-way non-prestressed, reinforced concrete slabs the equation for modulus of rupture is modified for fy exceeding 80,000 psi. Minimum flexural reinforcement for non-prestressed, reinforced one- and two-way slabs shall meet a minimum area of flexural reinforcement of 0.0018Ag. Reinforcement strain limit has been revised for all criteria and system types (beam, one-way and two-way slabs for RC and PT mode). Provisions found in the latest design standard that have been included in ADAPT-Builder include: The 2020 version includes applicable code provisions from ACI318-19: Building Code Requirements for Structural Concrete. ADAPT-Builder v20 has been updated to ensure that users can take advantage of designs conforming to the latest building code standards.

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