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 PDF

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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
Application number
BR112021006831-7A
Other languages
English (en)
Portuguese (pt)
Inventor
Alfredo CULLACIATI
Francesco Ferraiolo
Original Assignee
Officine Maccaferri S.P.A.
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 Officine Maccaferri S.P.A. filed Critical Officine Maccaferri S.P.A.
Publication of BR112021006831A2 publication Critical patent/BR112021006831A2/pt

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14Lining predominantly with metal
    • E21D11/28Longitudinal 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)
BR112021006831-7A 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 BR112021006831A2 (pt)

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)

* Cited by examiner, † Cited by third party
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

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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B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]