Page 79 - Design of Reinforced Masonry Structures

2.32 CHAPTER TWO

FIGURE 2.28 Customized column and chimney units, and chimney caps. (Courtesy: PCA.)

Height

Length
Width 7 5''
8
5''
7
8
Webs Core
15 5''
8
Plain end
Modular size (actual)
8''
End Face shell
8''
Concave end
16''
Ears
Nominal size (usually fictitious)
(a) (b) (c)

FIGURE 2.29 Nomenclature for typical concrete masonry units: (a) parts of a hollow block, each
block has two face shells, two ends, and one or more webs, (b) common end types, (c) nominal and
actual size of a typical 8 × 8 × 16 in. CMU. (Courtesy: PCA.)

2.32