EP 4085182 C0 20240320 - TUNNEL BORING MACHINE
Title (en)
TUNNEL BORING MACHINE
Title (de)
TUNNELBOHRMASCHINE
Title (fr)
TUNNELIER
Publication
Application
Priority
- DE 102020111585 A 20200428
- EP 2021059587 W 20210413
Abstract (en)
[origin: CA3174494A1] In a tunnel boring machine with a shield skin (106) extending in a longitudinal direction, a sensor unit (118) for detecting convergences has a number of hydraulic distance sensors (121) equipped with an extendable probe (124) with extension path measurement. By virtue of the distance sensors (121), the distance between the shield skin (106) in the area of the relevant distance sensor (121) and the surrounding rock mass (103) can be detected as a distance value, so that the thickness of an annular gap (115) can be determined. The distance sensors (121) are arranged in the longitudinal direction of the shield skin (106) at a measuring distance which expediently corresponds to a typical ring width of a tubbing (112). In addition, there is a central unit by virtue of which the distance values of the distance sensors (121) can be evaluated to determine convergences and can preferably be used to predict future convergences.
IPC 8 full level
E21D 9/00 (2006.01)
CPC (source: EP US)
E21D 9/003 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Participating member state (EPC – UP)
AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI
DOCDB simple family (publication)
DE 102020111585 A1 20211028; AU 2021263785 A1 20221020; CA 3174494 A1 20211104; CN 115244270 A 20221025; CN 115244270 B 20240618; EP 4085182 A1 20221109; EP 4085182 B1 20240320; EP 4085182 C0 20240320; US 2023135570 A1 20230504; WO 2021219369 A1 20211104
DOCDB simple family (application)
DE 102020111585 A 20200428; AU 2021263785 A 20210413; CA 3174494 A 20210413; CN 202180017726 A 20210413; EP 2021059587 W 20210413; EP 21719108 A 20210413; US 202117911685 A 20210413