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 implementationInfo
- 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
Links
- 238000010276 construction Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 238000009412 basement excavation Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
Landscapes
- 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>
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) |
-
1993
- 1993-05-07 IT ITRM930289A patent/IT1261472B/en active IP Right Grant
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 |