Specifications

METTLER TOLEDO Weigh Module Systems Handbook
(12/99)4-6
Zone 2A: 0.15
Zone 1: 0.10
I = Importance Factor
Nonhazardous materials: 1.00
Hazardous materials: 1.25 to 1.50
C = Lateral Force Coefficient: 2.75 for most conditions
C
P
= Lateral Force Coefficient (Tank as part of structure)
Nonhazardous materials: 0.75
Hazardous materials: 1.25
Vessels on roof of building: 2.00
R
W
= Numerical Coefficient from Tables 23-O and 23-Q of UBC
Bins & Hoppers: 4.00
Tanks: 3.00
F
EQ
Factors Based on UBC
Code
Table 4-1 provides a simpler way to determine horizontal shear force ( F
EQ
). The factors
listed in the table are based on the UBC Code formulas presented above.
Nonhazardous Hazardous
Conservative Nonconservative
Free-Standing Bin/Hopper
Zone 4 0.28 0.41 0.34
Zone 3 0.21 0.31 0.26
Zone 2B 0.14 0.21 0.17
Zone 2A 0.10 0.15 0.13
Zone 1 0.07 0.10 0.09
Free-Standing Tank
Zone 4 0.37 0.55 0.46
Zone 3 0.28 0.41 0.34
Zone 2B 0.18 0.28 0.23
Zone 2A 0.14 0.21 0.17
Zone 1 0.09 0.14 0.11
Structural Bin/Hopper/Tank
Zone 4 0.30 0.75 0.63
Zone 3 0.23 0.56 0.47
Zone 2B 0.15 0.38 0.31
Zone 2A 0.11 0.28 0.23
Zone 1 0.08 0.19 0.16
Roof-Mounted Bin/Hopper/Tank
Zone 4 0.80 1.20 1.00
Zone 3 0.60 0.90 0.75
Zone 2B 0.40 0.60 0.50
Zone 2A 0.30 0.45 0.38
Zone 1 0.20 0.30 0.25
Table 4-1: Horizontal Shear Force Factors (F
EQ
) Based on UBC Code