FLOOD03449

• County: Statewide
• Community: State of Colorado
• Stream Name: All
• Basin: Statewide
• Title: Colorado Flood Proofing Manual
• Date: 10/1/1983
• Prepared For: State of Colorado
• Prepared By: CWCB
• Floodplain - Doc Type: Educational/Technical/Reference Information

100

PLAtN HASONRY BLOCK
lUnreinfofced)

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300

Working Stress Design

fmt .. ill10wable stress in
tension In masonry
.. wall thlcklless

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PH
DESIGN ASSUMPTIONS
H ..8'-0"
t '" 12"
fmt ... 24 ps i (no grout)
fmt '" "1 psi (sol id grout)
PH .. 1w)l; a (psf)

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100

ISO

200

250

Working load ('fw) {or Equivalent Fluid Weight} (pd)

Figure 11.12 Working stress design for 12" unrl!inforced masonry block walls. (Reference 26).

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REINFORCED HASOtlRY BLOCK

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PH

Working Stress Design
t "wall thickness
fb .. allowable stress In
compression in masonry
fs .. allowable stress in
tension in steel
t .. 10" with:
a'6bar@)'-O"
01" a lit bar I!l 1 '-6"
("'ertlcal steel)

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DESIGN ASSUMPTIONS
H -8'-0"
PH .. Yw x a (psf)
fb .. 218 psi
f50 .. 20,000 psi

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t .. 8" with:
" 16 bar @
4'-0" (mall.)
or a 14 bar E!
2'-0"
(vertlc..1 steel)

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300

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200

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Working LOlJd (rill) (or Equivale/)t fluid Weight) (pc()

Figure 11.13 Working stress design for 10" reinforced masonry block wall. (Reference 26).