Concrete Blocks

This listing includes the dimensions and properties of Australia's most commonly available concrete blocks. The sizes and coding system shown in this listing align with those provided by the Concrete Masonry Association of Australia in Part A: Chapter 3 of their technical guidelines. The listing also includes the following information for unreinforced concrete blockwork: • Ultimate compressive capacity • Ultimate vertical bending capacity • Ultimate horizontal bending capacity • Ultimate shear capacity

Community

Member compressive capacity

F_o_m = 1 kN/m

Vertical bending capacity

M_c_v = 1 kN⋅m/m

Shear capacity

V_o = 1 kN/m

Horizontal bending capacity

M_c_h = 1 kN⋅m/m

Dimensions and Properties

Block Dimensions

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

Block Properties

The table is not uploaded or the values for the variables: Hollow or Solid, Block density (kg/m³) do not match table records.

Design for Members in Compression

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 the masonry unit selected. Refer AS 3700:2018 Clause 3.3.2

Not Available

Basic compressive capacity

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

Simplified Slenderness Ratio

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

Not Available

Reduction Factor, k

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

Compressive capacity of member

Compression capacity of wall determined by simple rules. Refer AS 3700:2018, Clause 7.3.3

Not Available

Design for Vertical Bending

Min compressive stress on bed joint, f_d

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

Vertical bending moment capacity, f'_m_t

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

Design for Horizontal Bending

Perpend spacing factor, k_p

The value of the perpend spacing factor calculated in accordance with AS 3700:2018, Clause 7.4.3.4

Not Available

Lateral section modulus of masonry, Z_u

The lateral section modulus of the masonry unit based on: i) for solid units, the gross cross, the gross cross-section ii) for hollow units, the face shell dimensions Refer to AS 3700:2018, Clause 7.4.3.2

Not Available

Lateral section modulus across perpend joints, Z_p

The lateral section modulus based on the mortar contact area of the perpend joints. Refer to AS 3700:2018, Clause 7.4.3.2

Not Available

Horizontal bending moment capacity with tension stresses permitted, 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. Refer to AS 3700:2018, Clause 7.4.3.2

Not Available

Shear Capacity

Characteristic Shear strength

The design characteristic shear strength in the horizontal direction in continuous horizontal mortar joints.

Not Available

Design cross-section, A_d

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

Shear Capacity

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