PTKalc – Continuous & Post-Tensioned Beams Design | RKALC

O/W %:

No. of Spans

Click on the cells in table above to insert / update the beam data

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Define Sections

Width

Depth

Mpa

Section ID	Type	MPa

Note: Next Versions will include capability to define section reinforcement for verification rather than designing

Load Combinations

Combo ID

ID

Case

Multiplier

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

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:

Load Cases

Case Name

Load Case	Scale Factor
PT	1
OW	1
SDL	1
LL	1

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Load Case

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Materials & Criteria

Beam Type
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) - strands
fpb reduction (clause 3.3.1)

Strand (7 Wire Ordinary AS/NZS 4672.1)
No. of Strands (Per Tendon)
No. of Tendons (even spacing)
Reverse Parabola Radius (mm)
Stressing Location

Top Cover mm (Min)
Bottom Cover mm (Min)
Environment (Clause 3.1.8.3)
Load Application - days
Draw In Magnitude mm
μ (friction coef. - clause 3.4.2.4)
βb (wobble effects - cl. 3.4.2.4)

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