Page 125 - Masonry and Concrete

Understanding Masonry
124 CHAPTER FOUR

Grout Proportions by Volume
Parts by Parts by Aggregate measured in
volume of volume of damp, loose a condition
portland hydrated
Type cement lime Fine Coarse
1 1
Fine 1 0 to ⁄10 2 ⁄4 to 3 times —
the sum of the
volumes of the
cement and
lime
1 1
Coarse 1 0 to ⁄10 2 ⁄4 to 3 times 1 to 2 times the sum
the sum of the of the volumes of the
volumes of the cement and lime
cement and
lime

FIGURE 4-25
Fine and coarse masonry grout mixes. (from ASTM C476, Grout for Reinforced and Non-
reinforced Masonry, American Society for Testing and Materials, West Conshohocken, PA).

Minimum
Minimum Width Dimensions for
of Grout Space Grouting Cores
Grout Pour Between Wythes, of Hollow Units,
Grout Type Height, Ft. Inches Inches Inches
3 1
Fine 1 ⁄4 1 ⁄2 2
5 2 2 3
1 1
12 2 ⁄2 2 ⁄2 3
24 3 3 3
1 1
Coarse 1 1 ⁄2 1 ⁄2 3
1
5 2 2 ⁄2 3
1
12 2 ⁄2 3 3
24 3 3 4
FIGURE 4-26

Grout space requirements for fine and coarse grout. (from ACI 530/ASCE 5/TMS 402
Building Code Requirements for Masonry Structures, American Concrete Institute, Amer-
ican Society of Civil Engineers, The Masonry Society).

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