2785
Technical Committee 212 /
Comité technique 212
Table 2. The RD pile walls. (Uotinen & Vesamäki 2013)
Site
Interlock
Oversize
of the ring
bit
(mm)
Pile
type
Pile
length
(m)
Ylitornio,
Finland 2009
Ruukki
E21
47
test
RD400
6
Ruoholahti,
Finland 2009
Ruukki
E21
47
test
RD400
12
Motala,
Sweden 2010
Ruukki
E21
30
RD400
8-
12
Trondheim,
Norway
2010-2011
modified
WOM-
WOF
30
RD600
10-
32
Tampere,
Finland
2010
modified
WOM-
WOF
30
test
RD170
3
Nummela,
Finland
2010-2011
modified
WOM-
WOF
30
test
RD400
12
Kiruna,
Sweden 2010
Ruukki
E21
47
RD500
10-
15
Kalasatama,
Helsinki
2011-2012
modified
WOM-
WOF
47/30
RD600
3-
14
Metro sites,
Helsinki
2011-2012
modified
WOM-
WOF
30
RD400
RD600
16-
20
Messukeskus,
Helsinki
2011
modified
WOM-
WOF
30
RD170
6
Tampere
2012
RM/RF
27
test
RD400
6
Keskuskuilu,
Espoo 2012
RM/RF
27
RD220
8-9
Fredriksdal,
Stockholm
2012
RM/RF
27
RD400
10-
15
Strömkajen,
Stockholm
2012
RM/RD
27
RD220
5-9
Figure 4. A drilled pile wall can be implemented starting with
embedding of an open C section (phase A) and the wall can be extended
using CT profiles.
6 ACKNOWLEDGEMENTS
Sari Loppela-Rauha has translated the abstract to French, Olli
Rahkala has contributed the Figure 4 and Ville Hyyppä has fine-
tuned the lay-out of the paper.
7 REFERENCES
Hyyppä V., Hattara J., Lautkankare R. and Helmisaari J. 2012. FIN-
C2M – New Micropile Innovations in Underpinning
. Proceedings
of IWM2012, Milan.
ISM 2013.
International Society for Micropiles
. Retrieved 8 January
2013 from
Lehtonen J. 2011. Underpinning project; owners´ views on technology,
economy and project management. Aalto University publication
series, doctoral dissertations 80/2011, Helsinki.
Swedish Commission on Pile Research 2012.
The pile delivery report
.
Retrieved 1 December 2012 from
Uotinen V.-M. and Jokiniemi H. 2012.
RD pile wall – a new way to
build micropile retaining wall structures
. Proceedings of
IWM2012, Milan.
Uotinen V.-M., Repo T. and Vesamäki H. 2012.
Energy piles – ground
energy system integrated to the steel foundation piles
. Proceedings
of NGM2012, Copenhagen.
Uotinen V.-M. and Vesamäki H. 2013.
Case histories on drilled pile
walls in Finland, Sweden and Norway
. Proceedings of
Teräspaalupäivä (steel pile day), Helsinki.
