Projects
Cut and covers
France - 1987



Massy-GB.pdf (1323.23 ko) | Massy-Fr.pdf (1262.10 ko)


TGV Atlantique - Massy
Cut and cover, 2,473 m long for the Atlantic TGV in Massy





Construction of the triple frame



Triple frame in cut and cover


Single frame in open cut













Thickness (m)

Depth (m)

Surface (m2)









Diaphragm walls


0.80 and 1.00

15

47,000


Berlin type walls


0.50


2,600


R.C. Frames

450 m incl. 115 m in U and 345 m of slope


Temporary anchors

175 units, capacity 15 to 44 t


Civil works

Concrete : 91,000 m3

Steel : 9,750 t






Commercial brochures

Massy-GB.pdf
Massy-Fr.pdf		1323.23 ko
1262.10 ko






Specialities used

- Piles (General
Barrettes
Micropiles
Reinforced concrete diaphragm walls		Dewatering
Soil nailing
Temporary soil anchors