Shoring Jack
Shoring Jack
Shoring Jack
Figure:
Pallow = Fa Ag
where:
Pallow = allowable axial load, kips
Fa Fa = 18.01
5/3 + 47.25 +0.125
Pallow = Fa Ag
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kL/r = (1.0) ( 14' x 12" / 1 ft) Pu = 1.2 DL + 1.6 LL
0.95 Pu = 1.2 (80) (3)(3) + 1.6 (30) (3)(3)
Pu= 864 lb + 432 lb
kL/r = 126.05 Pu= 1,296 lbs
Pu= 1.3 kips < 83.92 kips
b. Determine Cc:
Therefore : safe!
A. INPUT PARAMETERS :
LIVELOAD LL = 50.0 psf
DEALOAD DL = selfwieght
Length at every support L = 6 f
Width of Guardrail (dressed) b = 1.5 in
Depth of Guardrail (dressed) d = 3.5 in
1. Allowable Stresses for Structural Wood:
a. Fb= 1,300 psi ,
b. Ft=800 psi
c. Fv= 95 psi
d. Fc=1990 psi
e. E=1,900,000 psi
Figure:
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See Staad for Results
A. INPUT PARAMETERS :
LIVELOAD LL = 30 psf
DEALOAD DL = 80 psf
Tributary width for Joist tw = 12 in
Width of structural wood (dressed) b = 1.5 in
Depth of structural wood (dressed) d = 3.5 in
1. Allowable Stresses for Structural Wood:
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a. Fb= 1,300 psi ,
b. Ft=800 psi
c. Fv= 95 psi
d. Fc=1990 psi
e. E=1,900,000 psi
Figure:
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Prepared by : MSR
Checked by : JMA
wheel h1 H
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Prepared by : MSR
Checked by : JMA
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Prepared by : MSR
Checked by : JMA
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