Masonry Design Values: clay_brick
Masonry design values for CMU (concrete masonry units) and clay brick per TMS 402/602-22 (formerly ACI 530). Includes specified compressive strength f'm, modulus of elasticity Em, allowable stresses, dimensions, and grout strength for hollow and solid-grouted conditions with mortar types M, S, N, O.
| unit type | record id | actual height in (in) | actual length in (in) | actual width in (in) | allowable axial stress psi (psi) | allowable flexural tension psi (psi) | allowable shear vm psi (psi) | condition | f m psi (psi) | modular ratio n (dimensionless) | modulus of elasticity psi (psi) | mortar type | nominal width in (in) | notes | weight psf (psf) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| clay_brick | w4_solid_M_or_S_fm2000 | 2.25 | 7.625 | 3.625 | 300 | 40 | 45 | solid | 2,000 | 21 | 1,400,000 | M_or_S | 4 | NW grade clay brick interior use only; lighter weight; f'm per unit strength method | 26 |
| clay_brick | w4_solid_M_or_S_fm2500 | 2.25 | 7.625 | 3.625 | 375 | 40 | 58 | solid | 2,500 | 13 | 2,250,000 | M_or_S | 4 | SW grade clay brick; actual size modular 4x2-1/4x8; Em=700*f'm per TMS 402 | 34 |
| clay_brick | w4_solid_M_or_S_fm3000 | 2.25 | 7.625 | 3.625 | 450 | 40 | 65 | solid | 3,000 | 14 | 2,100,000 | M_or_S | 4 | MW grade clay brick with higher unit strength; f'm=3000 psi per unit strength method | 34 |
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