Australian Bricks

This listing provides the dimensions and properties of Australia’s most commonly available clay bricks, categorised by state. The information is based on data supplied by manufacturers; however, it is not exhaustive and primarily focuses on common and utility bricks. Please contact your local manufacturer to confirm availability.

The listing also includes the following information for brickwork:

Ultimate compressive capacity
Ultimate vertical bending capacity
Ultimate horizontal bending capacity
Ultimate shear capacity

Community

Section compression capacity

F_o = 1 kN/m

Section vertical bending capacity

M_c_v = 1 kN⋅m/m

Section horizontal bending capacity

M_c_h = 1 kN⋅m/m

Section shear capacity (Vo + V1)

V_o = 1 kN/m

Member compression capacity

F_o_m = 1 kN/m

Brick Dimensions

The table is not uploaded or the values for the variables: State do not match table records.

Brick Properties

The table is not uploaded or the values for the variables: State do not match table records.

Bedded thickness, t_b

Bedded thickness of the wall: the brick width, less the raking depth where joints are raked. Refer AS 3700:2018 Clause 4.5.1.

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Characteristic Compressive Strength of Masonry f'_m

The table is not uploaded or the values for the variables: do not match table records.

Characteristic compressive strength of masonry, f'_m

Characteristic compressive strength of the masonry unit selected. Refer AS 3700:2018 Clause 3.3.2

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Section compression capacity, F_o

The basic compressive capacity of an ungrouted masonry cross-section per metre length, on the bedded area at thickness t_b. Refer to AS 3700:2018 Clause 7.3.2.

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Simplified Slenderness Ratio

Simplified slenderness ratio for the case where there are no engaged piers (k_t = 1)

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Reduction Factor, k

The table is not uploaded or the values for the variables: do not match table records.

Member compression capacity, F_o_m

Compressive capacity of the wall as a member, k F_o, by simple rules. Refer to AS 3700:2018, Clause 7.3.3.

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Min compressive stress on bed joint, f_d

The table is not uploaded or the values for the variables: do not match table records.

Section modulus of bedded area, Z_d

Section modulus of the bedded area per metre length, based on the bedded thickness t_b. Refer AS 3700:2018 Clauses 4.5.1 and 4.5.8.

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Section vertical bending capacity, M_c_v

The table is not uploaded or the values for the variables: do not match table records.

Minimum overlap of units, s_p

Overlap of bricks in successive courses for the bond pattern selected: the bond fraction of the brick length plus one 10 mm perpend, less the perpend. Half bond gives (l_u - 10)/2; stack bond gives 0. Refer AS 3700:2018 Clause 7.4.3.4.

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Perpend spacing factor, k_p

The perpend spacing factor, the least of s_p/t_u, s_p/h_u and 1. Stack bond gives k_p = 0, so M_c_h₁ and M_c_h₂, and therefore M_c_h, are zero. Refer AS 3700:2018 Clause 7.4.3.4.

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Lateral section modulus of masonry, Z_u

The lateral section modulus of the bricks, based on the gross cross-section of solid or cored units (not reduced by raking). Refer to AS 3700:2018, Clause 7.4.3.2.

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Lateral section modulus across perpend joints, Z_p

The lateral section modulus based on the mortar contact area of the perpend joints, taken as the bedded section at thickness t_b (perpends fully filled, Clause 7.4.3.1). Refer to AS 3700:2018, Clause 7.4.3.2.

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Section horizontal bending capacity, M_c_h

The horizontal bending moment capacity per metre length of wall is the lesser of M_c_h₁, M_c_h₂ and M_c_h₃. Requires perpends fully filled and at least four courses acting together (Clause 7.4.3.1). Refer to AS 3700:2018, Clause 7.4.3.2.

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Characteristic shear strength, f'_m_s

The design characteristic shear strength in continuous horizontal mortar joints: 1.25 f'_m_t, kept within 0.15 to 0.35 MPa. Refer AS 3700:2018 Clause 3.3.4(a).

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Design cross-section, A_d

The design cross-sectional area per metre length: the bedded area at thickness t_b for unreinforced, ungrouted masonry. Refer AS 3700:2018 Clauses 4.5.4 and 4.5.6.

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Characteristic shear strength at the shear plane, f'_m_s

Equal to f'_m_s at a mortar bed joint; zero at a membrane-type damp-proof course or flashing. Refer AS 3700:2018 Clause 3.3.4.

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Shear factor, k_v

Shear factor for the frictional component of shear capacity: 0.3 at mortar bed joints and at bitumen-coated aluminium or embossed polyethylene DPCs, 0.15 at polyethylene and bitumen-coated aluminium DPCs. Refer AS 3700:2018 Table 3.3.

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Section shear capacity on a horizontal plane, V_o + V₁

Shear bond strength V_o plus shear friction V₁ on the selected horizontal plane, with f_d not more than 2 MPa. Refer AS 3700:2018 Clause 7.5.4.1.

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