IT1261472B - Modular methodology for the preliminary revetment of tunnels under construction, and suitable apparatus for its implementation - Google Patents

Modular methodology for the preliminary revetment of tunnels under construction, and suitable apparatus for its implementation

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Publication number
IT1261472B
IT1261472B ITRM930289A ITRM930289A IT1261472B IT 1261472 B IT1261472 B IT 1261472B IT RM930289 A ITRM930289 A IT RM930289A IT RM930289 A ITRM930289 A IT RM930289A IT 1261472 B IT1261472 B IT 1261472B
Authority
IT
Italy
Prior art keywords
revetment
preliminary
construction
methodology
under construction
Prior art date
Application number
ITRM930289A
Other languages
Italian (it)
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 filed Critical
Priority to ITRM930289A priority Critical patent/IT1261472B/en
Publication of ITRM930289A0 publication Critical patent/ITRM930289A0/en
Publication of ITRM930289A1 publication Critical patent/ITRM930289A1/en
Application granted granted Critical
Publication of IT1261472B publication Critical patent/IT1261472B/en

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  • Excavating Of Shafts Or Tunnels (AREA)
  • Glass Compositions (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Pens And Brushes (AREA)

Abstract

Modular methodology for the preliminary revetment of tunnels under construction, characterised in that it can be used with loose and/or rocky ground, even ground subject to landslides, and it calls for the construction of at least one precontainment module 1 in the shape of a shell, with essentially truncated conical three- dimensional configuration, basically comprising the following operations: - subhorizontal perforations with rectangular cross section of the individual element 2 of said precontainment module 1, made in the presence of revetment of the cavity until reaching the predetermined depth; - construction of the successive elements 2 so as to guarantee structural continuity with a continuous arch for the preliminary revetment; - excavation of the earth; and - repetition of the preceding operations for the subsequent modules 2 in the shape of a shell with essentially truncated conical three-dimensional configurations, until achieving the predetermined length for the tunnel. The invention also extends to a subhorizontal drilling apparatus (shown in the drawing), suitable to implement the aforesaid modular methodology. <IMAGE>
ITRM930289A 1993-05-07 1993-05-07 Modular methodology for the preliminary revetment of tunnels under construction, and suitable apparatus for its implementation IT1261472B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITRM930289A IT1261472B (en) 1993-05-07 1993-05-07 Modular methodology for the preliminary revetment of tunnels under construction, and suitable apparatus for its implementation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM930289A IT1261472B (en) 1993-05-07 1993-05-07 Modular methodology for the preliminary revetment of tunnels under construction, and suitable apparatus for its implementation

Publications (3)

Publication Number Publication Date
ITRM930289A0 ITRM930289A0 (en) 1993-05-07
ITRM930289A1 ITRM930289A1 (en) 1994-11-07
IT1261472B true IT1261472B (en) 1996-05-23

Family

ID=11401745

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM930289A IT1261472B (en) 1993-05-07 1993-05-07 Modular methodology for the preliminary revetment of tunnels under construction, and suitable apparatus for its implementation

Country Status (1)

Country Link
IT (1) IT1261472B (en)

Also Published As

Publication number Publication date
ITRM930289A1 (en) 1994-11-07
ITRM930289A0 (en) 1993-05-07

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970429