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PTKalc-Beta
Main
Calculations
My PT Beams
Submit Feedback
Show Balancing
O/W %:
Balance
No. of Spans
Click on the cells in table above to insert / update the beam data
Show Frame
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Give Us Your Feedback
Define Sections
Width
Depth
Mpa
Beam
Column
Insert
Section ID
Type
MPa
Close
Note: Next Versions will include capability to define section reinforcement for verification rather than designing
Load Combinations
Combo ID
Insert
ID
LC-1.0OW+1.0PT
LC-1.15OW+1.15PT
LC-0.9DL+1.1PT
LC-1.35DL
LC-1.2DL+1.5LL
LC-1.0DL+0.4LL+PT
Case
PT
OW
SDL
LL
Multiplier
Insert
Combo ID
Load
Case
Factor
LC-1.0OW+1.0PT
OW
1.00
PT
1.00
LC-1.15OW+1.15PT
OW
1.15
PT
1.15
LC-0.9DL+1.1PT
OW
0.90
SDL
0.90
PT
1.10
LC-1.35DL
OW
1.35
SDL
1.35
LC-1.2DL+1.5LL
OW
1.20
SDL
1.20
LL
1.50
LC-1.0DL+0.4LL+PT
OW
1.00
SDL
1.00
LL
0.40
PT
0.90
Close
Wall ID
X1
Y1
X2
Y2
E
I
A
Width
Depth
Dist
UDL
UDLDir
P1
XP1
P1Dir
P2
XP2
P2Dir
P3
XP3
P3Dir
Rls1
Rls2
NL1X
NL1Y
NL2X
NL2Y
PUDL1
PUDL2
PUDLLength
PUDLDist
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Project No:
Model Name:
Supp
X
Y
H
V
M
Point ID
X
Y
Index
X
Moment
Load Assignments
Load Case
PT
OW
SDL
LL
Replace Existing Loads
Delete Existing Loads
Direction
Local 2
Span ID
Span#1
Length
X1=
X2=
Y1=
Y2=
Length =
Loads within Span (-ve = down)
Point Loads
Dist. From N1
UDL Load
Trapz. W1
Trapz. W2
Dist. From N1
Length
Nodal Loading in Global Directions
X-Direction
Y-Direction
Node 1
Node 2
Apply
Close
Load Cases
Case Name
Insert
Load Case
Scale Factor
PT
1
OW
1
SDL
1
LL
1
Close
Show Loading
Load Case
PT
OW
SDL
LL
Show
Close
❮
❯
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Materials & Criteria
Beam Type
PT
RC
f'cp (N/mm²) -
at transfer
f'c (N/mm²) -
final
Basic Creep Coef. φcc.b
Shringkage Strain εcs (30 Years)
fy (N/mm²) -
flexure
fyv (N/mm²) -
shear
fpb (N/mm²) - s
trands
fpb reduction (clause 3.3.1)
Strand
(7 Wire Ordinary AS/NZS 4672.1)
12.7
15.2
No. of Strands (Per Tendon)
No. of Tendons (even spacing)
Reverse Parabola Radius (mm)
Stressing Location
Left
Top Cover mm (Min)
Bottom Cover mm (Min)
Environment (Clause 3.1.8.3)
Arid
Interior
Temperate
Costal
Load Application - days
Draw In Magnitude mm
μ (friction coef. - clause 3.4.2.4)
βb (wobble effects - cl. 3.4.2.4)
Update
Reset
Close
Diagrams
Load Case :
PT
OW
SDL
LL
LC-1.0OW+1.0PT
LC-1.15OW+1.15PT
LC-0.9DL+1.1PT
LC-1.35DL+PT
LC-1.2DL+1.5LL
LC-1.0DL+0.4LL+PT
Reactions
Moment
Shear
Axial
Deformation
Elastic Stress Block
Show Values
Show Reinforcement
Auto Scaling
User Scaling
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