DESIGN SUMMARY
--------------
Span:  1,   Beam:  1,   Exterior beam
Beam type: I-Girder       , IA-Std-B       
Precast Length, ft: 68.50            Release Length, ft: 68.50
Strand Pattern: Straight/Draped       Depr. Point: 0.35 L
Strand: 0.6''-LL-270-72.6       
Strand Es, ksi:    28500.0            No. of strands:  17
No. of strands, Draped:   3           No. of strands, Straight:  14
Concrete Strength, f'ci:   6.0  ksi        f'c:   7.0 ksi  f'ct   4.0 ksi
Initial losses:  8.39 %               Final losses: 13.35 %
 
Specification
-------------                            Allowable   Computed   Location    Status
Release Stresses (ksi) (Art. 5.9.2.3)
      Precast Bot (compression)             3.900       3.521     Depress     OK
      Precast Top w/ no reinf. (tension)   -0.200      -0.545     Depress
      Precast Top w/ reinf. (tension)      -0.590           
Strength I (Art. 3.4.1, 5.6.3.1)       Provided     Required   Location   Status
      Ult. Moment (k.ft)                  3393.19     2982.88     Midspan     OK
Debonding Limits (Art. 5.9.4.3.3)         Allowable    Computed              Status
      Max. Debond per Row                  40.00 %       0.00 %               OK
      Max. Debond Total                    25.00 %       0.00 %               OK
 
                       Final 1                     Final 2                     Final 3
Specification  Allow.  Comp.      Loc.     Allow.   Comp.      Loc.     Allow.   Comp.      Loc.
-------------  -----------------------     -------------------------     ------------------------
Positive Moment Envelope Stresses (ksi) (Art. 3.4.1 and 5.9.2.3.2)
  Service I Limit State - Compressive Stresses Only
    Top.Top:   2.400   0.842     Midspan    1.800   0.161     Midspan
    Pre.Top:   4.200   2.072     Midspan    3.150   1.691     Midspan
    Pre.Bot:   4.200   2.362    Transfer    3.150   2.629    Transfer
  Service III Limit State - Tensile Stresses Only
    Top.Top:  -0.380  -0.000     Bearing
    Pre.Top:  -0.500  -0.035     Bearing
    Pre.Bot:  -0.500  -0.190     Midspan
  Fatigue I Limit State - Compressive Stresses Only
    Pre.Top:                                                             2.800   1.169     Midspan
    Pre.Bot:                                                             2.800   1.047    Transfer
 
CAMBER / DEFLECTION: (PCI Design Handbook - 7th Ed.- Table 5.8.2)
0.5 x L =  33.75 ft
               :     Release  Mult   Erection  Mult      Final
Prestress      :       2.309  1.80      4.156  2.20      5.079
Self Wt.       :      -0.621  1.85     -1.150  2.40     -1.491
Deck + Haunch  :                       -0.935  2.30     -2.150
DL-Prec. (DC)  :                       -0.188  3.00     -0.563
Diaphragm      :                       -0.005  3.00     -0.014
DL-Prec. (DW)  :                        0.000  3.00      0.000
DL-Comp. (DC)  :                       -0.116  3.00     -0.348
DL-Comp. (DW)  :                       -0.052  3.00     -0.155
Live Load      :                                          -inf
 
Total          :   -nan(ind)        -nan(ind)             -inf
 
Positive values indicate upward deflection.

