Ground pressure
Max. ground pressure under the concrete slabs is 0.15 MPa
(21.75 psi) provided that the foundation has been reinforced and
built up according to the given instructions.
Should the ground be able to stand higher pressures, it is possible
to increase the load on the foundation. Please contact ALIMAK
for information.
Examples of acceptable ground pressure according to SBN 1975
(Swedish Building Norms):
Moraine = 0.4 – 1.0 MPa (58 – 145 psi)
Fine sand =
0.2 MPa ( 29 psi)
The ground pressure due to the installation is calculated
according to the following formula:
Pv is the sum of the static and the dynamic load and the dead
weight of foundation in kN. Estimate approx. 24 kN/m
3
for
concrete.
See ”Concrete slab dimensions” for D, W and concrete volume.
D x W is the concrete slab surface in m
2
.
σ
ground = ground pressure (MPa)
Single car hoist
without pipe support :
σ
ground =
2.3 x Pv
(MPa)
D1 x W2 x 1000
with pipe support
:
σ
ground =
3.5 x Pv
(MPa)
D1 x W2 x 1000
Dual car hoist
without pipe support :
σ
ground =
Pv
(MPa)
D1 x W3 x 1000
with pipe support
:
σ
ground =
1.6 x Pv
(MPa)
D1 x W3 x 1000
(MPa x 145 = psi)
ALIMAK 34793 - 1/01
G
10
Summary of Contents for Scando 650 DOL
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