CA2024423C - Installation de creusage et d'etayage des parois des tunnels pendant l'excavation - Google Patents

Installation de creusage et d'etayage des parois des tunnels pendant l'excavation

Info

Publication number
CA2024423C
CA2024423C CA 2024423 CA2024423A CA2024423C CA 2024423 C CA2024423 C CA 2024423C CA 2024423 CA2024423 CA 2024423 CA 2024423 A CA2024423 A CA 2024423A CA 2024423 C CA2024423 C CA 2024423C
Authority
CA
Canada
Prior art keywords
ring
plant
tunnel
excavation
cylinders
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA 2024423
Other languages
English (en)
Other versions
CA2024423A1 (fr
Inventor
Doriano Pacchiosi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA 2024423 priority Critical patent/CA2024423C/fr
Publication of CA2024423A1 publication Critical patent/CA2024423A1/fr
Application granted granted Critical
Publication of CA2024423C publication Critical patent/CA2024423C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

CA 2024423 1990-08-31 1990-08-31 Installation de creusage et d'etayage des parois des tunnels pendant l'excavation Expired - Lifetime CA2024423C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2024423 CA2024423C (fr) 1990-08-31 1990-08-31 Installation de creusage et d'etayage des parois des tunnels pendant l'excavation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2024423 CA2024423C (fr) 1990-08-31 1990-08-31 Installation de creusage et d'etayage des parois des tunnels pendant l'excavation

Publications (2)

Publication Number Publication Date
CA2024423A1 CA2024423A1 (fr) 1992-03-01
CA2024423C true CA2024423C (fr) 1997-10-28

Family

ID=4145868

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2024423 Expired - Lifetime CA2024423C (fr) 1990-08-31 1990-08-31 Installation de creusage et d'etayage des parois des tunnels pendant l'excavation

Country Status (1)

Country Link
CA (1) CA2024423C (fr)

Also Published As

Publication number Publication date
CA2024423A1 (fr) 1992-03-01

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