Page 472 - Forensic Structural Engineering Handbook

Estimated Masonry Dimension Change Coefficients, 10 –6 (dimensionless)
Mean 95% Mode deviation Standard characteristic (most likely) Median (CV, %) 5.3/°F 2.84/°F 3.14/°F 1.07/°F (32) 3.3/°F 6.51/°F 3.47/°F 3.83/°F 1.31/°F (33) 4.0/°F 5.14/°F 4.02/°F 4.09/°F 0.56/°F (14) 4.13/°F 13.67/°F 10.97/°F 11.14/°F 1.216/°F (11) 11.22/°F 7.07/°F 3.7/°F 4.11/°F

Number of data Estimate a Estimate Estimate Estimate e Estimate a Increased 22% for extruded brick parallel to the direction of extrusion, i.e., vertically for extruded brick laid as a stretcher. e The average reduction in CMU drying shrinkage for “low-shrinkage” units below that of “normal-shri

75 87 48 22 10 10 12 108 27 48 3 3 3 68 94 c 184 31 b Stone moisture expansion is reversible. Clay products have reversible moisture expansion but net long-term growth.

⊥ || f ⊥ Perpendicular to the direction of extrusion. || Parallel to the direction of extrusion.
Masonry material Clay products f Concrete masonry Granite Limestone Marble Sandstone Mortar Glass block Reinforced concrete Structural steel Clay products Granite Limestone Marble Sandstone Clay products Type I CMU d Type II Mortar Clay product Concrete masonry horizontal shri

TABLE 13.11 Property Thermal expansion coefficient Moisture expansion b Freezing expansion Shrinkage Masonry Creep

13.18