Reinforcement Dev Lengths: #6
ACI 318-19 reinforcement development and splice lengths for deformed bars #3 through #18. Includes tension development length ld, compression development length ldc, Class A and B splice lengths, and standard hook development length ldh. Covers f'c = 3000-6000 psi, fy = 60000 and 80000 psi, uncoated and epoxy-coated bars, top and other bars, and normal-weight vs lightweight concrete.
| bar size | condition key | bar area in2 (in2) | bar diameter in (in) | class A splice in (in) | class B splice in (in) | coating | concrete type | fc psi (psi) | fy psi (psi) | hook development ldh in | ld compression in (in) | ld tension in (in) | location | modification factors applicable | standard |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| #6 | fc3000_fy60000_uncoated_other_normal_weight | 0.44 | 0.75 | 33 | 39 | uncoated | normal_weight | 3,000 | 60,000 | 11 | 14 | 26 | other | psi_t=1.0 psi_e=1.0 psi_g=1.0 psi_s=0.8 lambda=1.0 | ACI 318-19 Table 25.4.2.3/25.4.9; CRSI Design Handbook |
| #6 | fc4000_fy60000_epoxy_other_normal_weight | 0.44 | 0.75 | 43 | 51 | epoxy | normal_weight | 4,000 | 60,000 | 11 | 12 | 34 | other | psi_t=1.0 psi_e=1.5 psi_g=1.0 psi_s=0.8 lambda=1.0 | ACI 318-19 Sec 25.4.2.4/25.4.3; CRSI Design Handbook |
| #6 | fc4000_fy60000_uncoated_other_normal_weight | 0.44 | 0.75 | 29 | 34 | uncoated | normal_weight | 4,000 | 60,000 | 9 | 12 | 23 | other | psi_t=1.0 psi_e=1.0 psi_g=1.0 psi_s=0.8 lambda=1.0 | ACI 318-19 Table 25.4.2.3/25.4.9; CRSI Design Handbook |
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