Glossary entry

English term or phrase:

rock nail

Serbian translation:

stenski anker (pasivni)

Added to glossary by Aleksandar Skobic
Apr 24, 2011 15:16
13 yrs ago
6 viewers *
English term

rock nail

English to Serbian Tech/Engineering Construction / Civil Engineering
Depending on the location, the following options are available for the retaining walls:
Exposed rock face with rock nails
Conventional reinforced concrete retaining walls
Crib walls
Gabion walls

Discussion

Dragana Samardžijević Apr 26, 2011:
PS Izvinjavam se zbog greške u novođenju prezimena koleginice Stepanović
Mira Stepanovic Apr 26, 2011:
PS PS moje prezime je srpsko, Stepanović, a ne Stepanov što se jasno vidi na više mesta na ovoj stranici. :)
Mira Stepanovic Apr 25, 2011:
Poštovana koleginice, izvinite što vam nisam ponudila opširnije objašnjenje ali je prostor za davanje komentara ograničen. Pošto ste me zamolili, pokušaću da vam objasnim ovde: pogledajte naslov na sledećoj stranici (radi se o domaćoj kompaniji koja se bavi izvođenjem geotehničkih konstrukcija pa se može reći da poznaju terminologiju iz date oblasti):
http://www.nivodeepak.com/categories/9597279B-E12B-9558-2A9E...
Geotechnical anchors- temporal and permanent
A sada ta ista stranica (istog preduzeća) na srpskom jeziku:
http://www.nivodeepak.com/categories/FB425DBD-B7A2-3A52-D503...
Geotehnički ankeri- privremeni i stalni
Pitanje ovde je bilo "rock nail" i vi ste ponudili prevod "geotehničko sidro (za podupiranje stenovitih padina)", što ne može biti odgovarajaći prevod jer sam vam prethodno navela da je "geotehnički anker" na engl. jeziku "geotechnical anchor" tako da stranica koju sam ponudila ni u kom slučaju ne potvrđuje to što ste vi naveli. Pored toga, iz reference koju sam navela se jasno može videti da "geotechnical anchor" i "soil(/rock) nail" nisu jedan te isti pojam.
Dragana Samardžijević Apr 25, 2011:
Molim koleginicu Miru Stepanov da sa svoj predlog prevoda. Reference koje je navela se navodezuju na moje, ali pretpostavljam da smatra da nesto ipak treba reci drugacije.
Dragana Samardžijević Apr 24, 2011:
Da li se radi o potpornim zidovima obala reka?

Proposed translations

+2
2 days 4 hrs
Selected

stenski anker (pasivni)

http://www.geosonda-fundiranje.rs/GF-2 Buseni sipovi.htm
Mogući su i drugi specijalni oblici i konstruktivni detalji bušenih šipova, koje smo imali u svojoj primeni, kao što su adaptacije za primenu stenskih ankera, ležišta za fiksiranje talpi, postavljanje veznih ankera i sl.

http://www.portal-srbija.com/gradjevinarstvo/sanacije-gradje...
- ugradnja stenskih ankera

Ovde je to sve jako lepo objašnjeno:
http://www.judycompany.com/rock_bolt_anchoring.htm
Anchors are durable, reliable, economical tension supports used in a wide variety of situations to stabilize, secure, and augment structures. Made of high strength steel bars or strands, rock bolt anchoring bonds these steel bars and strands to rock, concrete and many types of soil. Rock bolt anchoring is used to counteract external, overturning, uplift, and seismic forces, and are used actively (pre-stressed) or passively (non-stressed). Stranded tendons can be fabricated for extremely high capacity load.

Rock bolt anchoring uses soil and Rock Anchors or “Nails” that are fully grouted passive, or non-tensioned anchors used to resist uplift or failure forces for earth retention, slope or rock face stabilization. Rock bolt anchoring also utilizes these nails for tunnel roof supports. The nails are situated for the best possible advantage of residual forces in soil or rock (broken or solid) for load transfer. Passive anchors are utilized where pre-stressing is neither possible nor desirable, as in fragile rock conditions where movement of the medium in situ should be avoided.

The main step in rock bolt anchoring is where soil and rock nails are fully grouted, passive (non-tensioned) anchors are used to resist uplift forces and failure forces on slopes or excavations. The nails take advantage of residual stresses in soil or excavations. In the process of rock bolt anchoring the nails utilize residual stresses in soil or rock (broken or solid) for load transfer. However, passive rock bolt anchoring is generally used where pre-stressing is either not possible or desirable.
http://www.judycompany.com/rock_bolt_anchoring.htm

Evo sličnog teksta i na hrvatskom jeziku, sve je detaljno objašnjeno, (v. i sliku 8.6 na str. 7):
http://www.gradri.hr/dokumenti/pgit/08-Tehnike stabiliziranj...
Stijensko sidro (rock bolt)-element za armiranje obično formiran od punog ili cjevnog čeličnog profila koji se ugrađuje u stjensku masu sa ili bez prednaprezanja.
...
Klasifikacija stjenskih sidara:
Ovisno o tome da li se sidro tijekom ugradnje prednapinje ili ne, razlikujemo:
- aktivna (prednapregnuta)
- pasivna (neprednapregnuta)

Evo sada i slike sa stranice na engleskom jeziku:
http://www.alwag.com/products/anchors-and-rock-bolts/rebar-r...
Jasno je da obe slike prikazuju istu vrstu ankera.

U sledećem tekstu se spominju aktivni (prednapregnuti) stenski ankeri (Građevinski fakultet u Bgd.) (to nije slučaj u ovom kontekstu ali navodim kao primer):
http://kbdk.gf.ukim.edu.mk/index2.php?option=com_docman&task...
Sistem prednaprezanja SPB prvenstveno služi za prednaprezanje očvrslog betona ili za istezanje pojedinačnih užadi pri prednaprezanju putem prijanjanja na stazama za proizvodnju prefabrikovanih elemenata. Takođe
se koristi za prednaprezanje drugih materijala, konstrukcija i stenskih ankera, kao i za podizanje tereta, u montaži konstrukcija i dr.
Peer comment(s):

agree Nikola Bubić
14 hrs
Hvala!
agree Natasa Djurovic
15 hrs
Hvala!
Something went wrong...
4 KudoZ points awarded for this answer.
-1
6 hrs

geotehnicko sidro (za podupiranje stenovitih padina)

Izvucen iz konteksta, termin "rock nail" se greskom moze protumaciti kao npr. kameni kolac.
Medjutim, odnosi se u stvari na tehnike "soil and rock nailing" odn. osiguranje i podupiranje zemljanog ili stenovitog tla ili padina nesigurne strukture sklone obrusavanju tzv. "klizista".
U pitanju je tehnika postavljanja celicnih sipki u otvore u steni, koje mogu biti razlicitih duzina ili promera u zavisnosti od sastava stene.
U domacoj literaturi termin koji se koristi za ove sipke je "geotehnicka sidra".
http://rgn.hr/~smihalic/nids_snjezanamihalic/26_poglavlje.pd...


--------------------------------------------------
Note added at 20 hrs (2011-04-25 11:41:48 GMT)
--------------------------------------------------

Na sledece navedenim linkovima, "rock nail" se u stvari predstavlja kao "rock anchor" u tehnici ojacavanja terena, dok se za zemljani teren uglavnom koristi samo termin "soil nail"
http://atlanta.ebayclassifieds.com/skilled-trades/kennesaw/e...
http://aquasourceltd.co.uk/civil-engineering-services/rock-a...
Takodje na sledecem linku nailazimo na termin "rock nail anchor" sto opet ide u prilog da je "nailing" u stvari tehnologija ojacavanja terena, a da se u praksi koriste razliciti pojmovi, kako na srpskom, tako i na engleskom jeziku.
http://onlinemanuals.txdot.gov/txdotmanuals/geo/design_consi...
Example sentence:

Soil and rock nailing is becoming a popular method of soil and rock retention, slope stabilization, and shoring.

Nails, generally continuously threaded steel bars, are long enough to penetrate the failure plane of the excavation, and are inserted immediately following grouting.

Peer comment(s):

disagree Mira Stepanovic : geotehničko sidro (hr.) tj. anker (sr) = ground/geotechn. anchor http://www.nivodeepak.com/categories/9597279B-E12B-9558-2A9E... v. istu tu stranicu na srpskom j. (izaberite srpski -> delatnosti)
6 hrs
Nisam razumela razlog neslaganja. Koleginice, zaista Vas molim za objasnjenje. Na stranici koju ste dali kao primer vidim samo potvrdu onoga sto sam napisala
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Reference comments

14 hrs
Reference:

geotechnical ground anchors vs. soil (rock) nails

http://www.sheetpilinguk.com/sheet_piling_services/ground_an...
Ground Anchors and Soil Nailing
Sheet Piling (UK) Ltd are able to offer a full range of geotechnical engineering services including ground anchors and soil nails using a modern fleet of hydraulic drilling rigs.
...
Temporary & Permanent Anchors

The main application of geotechnical ground anchors is to prevent horizontal movement and ensure stability of retaining structures including sheet pile, bored concrete pile and steel tubular pile walls. In addition anchors maybe used to prevent additional movement or stabilize existing retaining walls and bridge abutments.
...
Soil Nails

Soil nailing provides a cost-effective solution to many slope stability and earth retention problems. Mainly used on infrastructure widening schemes (highway, motorway and railway earthworks); the system can also be used to re-profile and steepen existing sloping sites where more traditional expensive retaining solutions may previously have been used.

Soil nailing is a technique that works by reinforcing and strengthening the existing ground. Each soil nail consists of a reinforcing bar that is generally made of steel (with full corrosion protection for permanent works) although self-drilling hollow bar soil nails can be installed where soil conditions allow.

Installed from the top down, the slope or required excavation is supported/stabilized by the soil nails being put into tension as the ground relaxes. To ensure no localised slippage of the earthworks face, a facing system is generally required which can comprise sprayed concrete or geo-mesh fabrics as necessary.

Unlike ground anchors, soil nails are generally a "passive" system and are not post-tensioned. However testing to prove the bond capacity at the soil/grout interface is an essential par tof the design process and is generally carried out on sacrificial nails to confirm/verify assumption made in the design.
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