PREMANT district heating pipe
Concrete block for
fixed point
For maximum fixed point forces
PRE 6.515
d
mm
26.9
33.7
42.4
48.3
60.3
76.1
88.9
114.3
139.7
168.3
219.1
273.0
323.9
355.6
406.4
457.2
508.0
Concrete block dimensions
A1
A
L*
Calculation basis for the size of the concrete block
a
B
L*
L* max. width
For divergent fixed point forces and soil conditions, the foundation dimensions must be calculated.
Steel pipe
DN
20
25
32
40
50
65
80
100
125
150
200
250
300
350
400
450
500
Fixed point force
Fsmax
B
kN
m
66.5
0.8
83.7
0.8
107.2
1.0
123.1
1.0
172.4
1.2
219.9
1.4
284.1
1.6
412.9
2.0
507.6
2.2
680.9
2.5
1000.6
3.0
1388.5
3.5
1847.0
4.2
2052.0
4.5
2592.0
5.2
2920.0
5.6
3240.0
5.6
Pipe distance
a
mm
270
270
280
280
295
320
340
390
415
450
550
680
745
810
890
890
980
• Max.thrustfor2pipes:Fsmax=2·As·dT,[dT=165N/mm2,∆T=70°K]
• Coverage height H = 0.8 m
• Foundation dimensions are based on a frictional angle of = 32.5° for friable soils (coefficient of friction m = 0.40)
• Apparent density g = 18 kN/m3
• Ground specification acc. DVGW GW 310
Concrete quality
• P 350 to DIN 1045, impermeable to water with armouring
17.1.2025 BGP
Subject to technical changes
m
m
m
0.40
0.8
0.8
0.40
0.8
0.8
0.40
0.8
0.8
0.45
0.9
0.8
0.55
1.1
1.0
0.65
1.2
1.0
0.80
1.3
1.0
0.95
1.6
1.0
1.15
1.7
1.0
1.40
2.0
1.3
1.70
2.4
1.3
2.10
2.9
1.3
2.25
3.2
1.5
2.40
3.3
1.5
2.40
3.5
1.8
2.60
3.6
2.0
2.60
3.8
2.0
A
A
1
H
