BR112021006831A2 - nervura de suporte de uma escavação e método para produção de uma estrutura de suporte no interior de uma escavação - Google Patents
nervura de suporte de uma escavação e método para produção de uma estrutura de suporte no interior de uma escavação Download PDFInfo
- Publication number
- BR112021006831A2 BR112021006831A2 BR112021006831-7A BR112021006831A BR112021006831A2 BR 112021006831 A2 BR112021006831 A2 BR 112021006831A2 BR 112021006831 A BR112021006831 A BR 112021006831A BR 112021006831 A2 BR112021006831 A2 BR 112021006831A2
- Authority
- BR
- Brazil
- Prior art keywords
- rib
- engaging element
- retaining member
- head
- female
- Prior art date
Links
- 238000009412 basement excavation Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000000717 retained effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/28—Longitudinal struts, i.e. longitudinal connections between adjoining arches
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Bolts, Nuts, And Washers (AREA)
- Component Parts Of Construction Machinery (AREA)
- Body Structure For Vehicles (AREA)
- Supports For Pipes And Cables (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102018000010509 | 2018-11-22 | ||
IT102018000010509A IT201800010509A1 (it) | 2018-11-22 | 2018-11-22 | Centina di sostegno di uno scavo e metodo per la realizzazione di una struttura di sostegno all'interno di uno scavo |
PCT/IB2019/059983 WO2020104966A1 (fr) | 2018-11-22 | 2019-11-20 | Nervure de support d'une excavation et procédé de fabrication d'une structure de support à l'intérieur d'une excavation |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021006831A2 true BR112021006831A2 (pt) | 2021-08-10 |
Family
ID=66049386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021006831-7A BR112021006831A2 (pt) | 2018-11-22 | 2019-11-20 | nervura de suporte de uma escavação e método para produção de uma estrutura de suporte no interior de uma escavação |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN113015843A (fr) |
BR (1) | BR112021006831A2 (fr) |
IT (1) | IT201800010509A1 (fr) |
WO (1) | WO2020104966A1 (fr) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1178028B (de) * | 1955-10-07 | 1964-09-17 | Maschb Dr Alexander Schmidt | Gelenkiger und verstellbarer Abstandhalter fuer den Streckenausbau |
JP2001140591A (ja) * | 1999-11-18 | 2001-05-22 | Geostr Corp | セグメントの継手部構造 |
ES2621655T3 (es) | 2010-01-29 | 2017-07-04 | Officine Maccaferri Italia S.R.L. | Método para soportar y reforzar una excavación con un arco |
AU2015270176A1 (en) | 2014-06-04 | 2017-01-12 | Officine Maccaferri Italia S.R.L. | Rib for supporting and consolidating an excavation and method for installing a structure to support and consolidate an excavation |
CN106351672B (zh) * | 2016-09-08 | 2019-06-18 | 中国神华能源股份有限公司 | 管片接头及管片接头的连接方法 |
CN106522998B (zh) * | 2016-11-28 | 2019-12-24 | 山东大学 | 一种地下工程支护拱架纵向定位连接装置及施工方法 |
CN106761838B (zh) * | 2017-02-20 | 2019-05-21 | 长安大学 | 隧道二次衬砌拱架单元及其所构成的拱架结构及架设方法 |
CN106907166B (zh) * | 2017-04-19 | 2019-05-14 | 同济大学 | 一种格栅拱架与锁脚锚杆的定位连接装置及其施作方法 |
-
2018
- 2018-11-22 IT IT102018000010509A patent/IT201800010509A1/it unknown
-
2019
- 2019-11-20 WO PCT/IB2019/059983 patent/WO2020104966A1/fr unknown
- 2019-11-20 CN CN201980074741.5A patent/CN113015843A/zh active Pending
- 2019-11-20 BR BR112021006831-7A patent/BR112021006831A2/pt unknown
Also Published As
Publication number | Publication date |
---|---|
WO2020104966A1 (fr) | 2020-05-28 |
EP3884138A1 (fr) | 2021-09-29 |
CN113015843A (zh) | 2021-06-22 |
IT201800010509A1 (it) | 2020-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] |