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ACI 318-83

ACI 318-83

ACI 318-83

I am trying top determine what the load factors and resistance factors were from the 1983 ACI-318 code.  

Mainly I am looking for the factors for the DEAD and LIVE loads as well as the resistance factors for FLEXURE, COMPRESSION, and SHEAR.  Any help would be appreciated.


RE: ACI 318-83

Nilsson and Winter's 1986 book on reinforced concrete design has a table of load factors from the 1983 ACI code, to wit:

U = 1.4 D + 1.7 L, etc.

Resistance factors for flexure = .9
                   for axial comp = .7
                   for axial tension = .9
                   for shear = .85

RE: ACI 318-83


DaveViking is correct. I have the 1983 code (actually all of them from 1963)  and the only addition to DaveViking's list is that phi for axial compression/axial compression with flexure with spiral reinfrocement is 0.75.

FYI, the 1963 code used 1.5D + 1.8L and the 1971 code was the first to go with 1.4D + 1.7L.

RE: ACI 318-83

Thank you both for the answer.  The person who used to have the old codes in the office took them with him when he left.


RE: ACI 318-83

  1  0    1.40  1.700  1.40     0      0      0      0      
  2  0    1.05  1.275  1.05    0.0000  0     1.4025  0      
  3  0    1.05  1.275  1.05    0.0000  0    -1.4025  0      
  4  0    1.05  1.275  1.05     0     0.0000  0     1.4025  
  5  0    1.05  1.275  1.05     0     0.0000  0    -1.4025  
  6  0    0.90  0.000  0.90    0.0000  0     1.4300  0      
  7  0    0.90  0.000  0.90    0.0000  0    -1.4300  0      
  8  0    0.90  0.000  0.90     0     0.0000  0     1.4300  
  9  0    0.90  0.000  0.90     0     0.0000  0    -1.4300

For Etbas format..if u want plz send me e-mail i send u another  format for sap90 and sap2000

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