what we do -

Kunming Metro Line 4 – Steel Springs for FST

Kunming Metro Line 4 -
Steel Springs for FST

project details

Steel Springs for FST
Kunming Metro Line 4

Description

Kunming Metro Line 4 connects the northwest high-tech development zone with Bailongtan in the Chenggong New District through the central zone and the economic development zone. The total length of the line is 43.5 kilometres, including 29 stations.

Solution

FST on steel springs was defined for two sections with the following specifications: Particularly sensitive area: insertion loss 20 dB and 5 dB ground-borne noise reduction. Highly sensitive area: 15 dB and 3 dB ground-borne noise reduction.

requirements

mitigation of train-induced vibrations
through the installation of an FST on Steel Springs

Helical Steel Springs

Material

1.9 km

Installed length

100 km/h

Design speed

2019/4 – 2019/10

Installation

14 T

Axle load

Helical Steel Spring according to
DIN EN 13906

Product details

impressions

visible
results

what we do -

Kunming Metro Line 4 – Steel Springs for FST

Kunming Metro Line 4 - Steel Springs for FST

contact

Kunming Metro Line 4 -
Steel Springs for FST