Betongskrue
Betongskrue til bruk i både sprukket og ikke-sprukket betong. THD gir lav monteringsmotstand og høy ytelse. THD er designet og testet for tørre, ikke-korrosive miljø.
Produktinformasjon
Egenskaper
Materiale
- Elektrogalvanisert stål
Fordeler
- Selvskjærende gjenger som effektivt overfører belastningen til underlaget
- Spesiell varmebehandling herder skruen under produksjon
- Fast skive under hodet
- Kan skrues ut igjen og er dermed også perfekt til midlertidige monteringer
Applikasjoner
Egnet for
- Betong
- Murstein
Bruksområder
- Kraftig festing: Kleshengere, rekkverk
- Mange tilkoblinger: kabelbrett, stadionstoler, stativer
- Midlertidig bruk
Tekniske data
Dimensjoner
| Art. nr. | Art. nr. | Ø Thread [mm] | Totallengde [mm] | Maksmal emnetykkelse [mm] | Ø gjennomfallshull [mm] | Ø x dybde av borehull [mm] | Antall per pakke (stk) | Vekt [kg] |
|---|---|---|---|---|---|---|---|---|
| THD M8-70/5 | THD08070 | 10.3 | 70 | 5 | 12 | 8 x 75 | 50 | - |
| THD M8-80/15 | THD08080 | 10.3 | 80 | 15 | 12 | 8 x 75 | 50 | - |
| THD M8-120/55 | THD08120 | 10.3 | 120 | 55 | 12 | 8 x 75 | 50 | - |
| THD M10-80/5 | THD10080 | 12.5 | 80 | 5 | 14 | 10 x 85 | 50 | - |
| THD M10-100/25 | THD10100 | 12.5 | 100 | 25 | 14 | 10 x 85 | 50 | - |
| THD M10-120/45 | THD10120 | 12.5 | 120 | 45 | 14 | 10 x 85 | 50 | - |
| THD M10-170/95 | THD10170 | 12.5 | 170 | 95 | 14 | 10 x 85 | 50 | 0.12 |
Design Resistance
| Art. nr. | Designmotstand | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spenning - NRd [kN] | Skjær - VRd [kN] | Bøyemoment – MRd [Nm] | |||||||||||||||
| Sprukket betong | Ikke-sprukket betong | Cracked concrete | Non-cracked concrete | ||||||||||||||
| C20/25 | C30/37 | C40/50 | C50/60 | C20/25 | C30/37 | C40/50 | C50/60 | C20/25 | C30/37 | C40/50 | C50/60 | C20/25 | C30/37 | C40/50 | C50/60 | ||
| THD M8-70/5 | 3.3 | 4.1 | 4.7 | 5.2 | 4.2 | 5.1 | 5.9 | 6.5 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 26.7 |
| THD M8-80/15 | 3.3 | 4.1 | 4.7 | 5.2 | 4.2 | 5.1 | 5.9 | 6.5 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 26.7 |
| THD M8-120/55 | 3.3 | 4.1 | 4.7 | 5.2 | 4.2 | 5.1 | 5.9 | 6.5 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 26.7 |
| THD M10-80/5 | 4.2 | 5.1 | 5.9 | 6.5 | 5.8 | 7.1 | 8.2 | 9 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 52.7 |
| THD M10-100/25 | 4.2 | 5.1 | 5.9 | 6.5 | 5.8 | 7.1 | 8.2 | 9 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 52.7 |
| THD M10-120/45 | 4.2 | 5.1 | 5.9 | 6.5 | 5.8 | 7.1 | 8.2 | 9 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 52.7 |
| THD M10-170/95 | 4.2 | 5.1 | 5.9 | 6.5 | 5.8 | 7.1 | 8.2 | 9 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 18.3 | 52.7 |
1) The design resistances have been calculated using the partial safety factors for resistances stated in ETA-12/0060.
2) The recommended loads have been calculated using the partial safety factors for resistances stated in ETA-12/0060 and with a partial safety factor for actions of
γF=1.4.
3) The load figures are valid for unreinforced concrete and reinforced concrete with a rebar spacing s ≥ 15 cm (any diameter) or with a rebar spacing s ≥ 10 cm, if
the rebar diameter is 10 mm or smaller.
4) “For combined tension and shear loads or anchor groups and/or in case of edge influence, a calculation per ETAG 001, Annex C, design method A or according to
CEN/TS 1992-4:2009 design method A shall be performed. Anchors under fire exposures are to be designed in accordance with EOTA -TR 020:2004 or CEN/TS 1992-4:2009 Annex D.
For details see ETA-12/0060.
Recommended loads - cracked concrete
| Art. nr. | Trækstyrke - Nrec [Rds,N] [kN] | Forskyvning (1-3) [Rds,V] [kN] | BØyemoment (1-6) [Mrds] [Nm] | ||||||
|---|---|---|---|---|---|---|---|---|---|
| C20/25 | C30/37 | C40/50 | C50/60 | C20/25 | C30/37 | C40/50 | C50/60 | Sprukket betong C20/25 | |
| THD M8-70/5 | 2.4 | 2.9 | 3.4 | 3.7 | 8.3 | 8.3 | 8.3 | 8.3 | 19 |
| THD M8-80/15 | 2.4 | 2.9 | 3.4 | 3.7 | 8.3 | 8.3 | 8.3 | 8.3 | 19 |
| THD M8-120/55 | 2.4 | 2.9 | 3.4 | 3.7 | 8.3 | 8.3 | 8.3 | 8.3 | 19 |
| THD M10-80/5 | 3 | 3.6 | 4.2 | 4.6 | 13 | 13 | 13 | 13 | 37.6 |
| THD M10-100/25 | 3 | 3.6 | 4.2 | 4.6 | 13 | 13 | 13 | 13 | 37.6 |
| THD M10-120/45 | 3 | 3.6 | 4.2 | 4.6 | 13 | 13 | 13 | 13 | 37.6 |
| THD M10-170/95 | 3 | 3.6 | 4.2 | 4.6 | 13 | 13 | 13 | 13 | 37.6 |
Tjenestebelastninger – urevnet betong
| Art. nr. | Trækstyrke - Nrec [Rds,N] [kN] | Forskyvning (1-3) [Rds,V] [kN] | ||||||
|---|---|---|---|---|---|---|---|---|
| C20/25 | C30/37 | C40/50 | C50/60 | C20/25 | C30/37 | C40/50 | C50/60 | |
| THD M8-70/5 | 3 | 3.6 | 4.2 | 4.6 | 8.3 | 8.3 | 8.3 | 8.3 |
| THD M8-80/15 | 3 | 3.6 | 4.2 | 4.6 | 8.3 | 8.3 | 8.3 | 8.3 |
| THD M8-120/55 | 3 | 3.6 | 4.2 | 4.6 | 8.3 | 8.3 | 8.3 | 8.3 |
| THD M10-80/5 | 4.2 | 5.1 | 5.9 | 6.5 | 13 | 13 | 13 | 13 |
| THD M10-100/25 | 4.2 | 5.1 | 5.9 | 6.5 | 13 | 13 | 13 | 13 |
| THD M10-120/45 | 4.2 | 5.1 | 5.9 | 6.5 | 13 | 13 | 13 | 13 |
| THD M10-170/95 | 4.2 | 5.1 | 5.9 | 6.5 | 13 | 13 | 13 | 13 |
1) The recommended loads have been calculated using the characteristic capacities stated in the ETA with the partail safety factors given in the ETAG001 and the partial safety factor for loads: f = 1.4.
2) The recommended axial loads are valid for unreinforced concrete and reinforced concrete with a rebar spacing s ≥ 15 cm (any diameter) or with a rebar spacing s ≥ 10 cm, if the rebar diameter is 10 mm or smaller.
3) The figures for shear are based on a single anchor without influence of concrete edges. For anchorages close to edges (c ≤ max [10 hef; 60d]) the concrete edge failure shall be checked per
ETAG 001, Annex C, design method A.
4) Concrete is considered non-cracked when the tensile stress within the concrete is \sigmaL + \sigmaR ≤ 0. In the absence of detailed verification \sigmaR = 3 N/mm² can be assumed ( \sigmaL equals the tensile
stress within the concrete induced by external loads, anchors loads included).
5) If spacings or edge distances are lower than characteristic ones (S ≤ Scr,N and/or C ≤ Ccr,N ) then the calculation should be made according to ETAG001, annex Cn A method. For further information see ETA-06/0123
6) The recommended bending moment is only valid for threaded rods.
Tillatte belastninger
| Art. nr. | tillatte belastninger i C20/25 **) | |
|---|---|---|
| Nzul [kN] | Vzul [kN] | |
| THD M8-70/5 | 2.4 | 8.3 |
| THD M8-80/15 | 2.4 | 8.3 |
| THD M8-120/55 | 2.4 | 8.3 |
| THD M10-80/5 | 3 | 13 |
| THD M10-100/25 | 3 | 13 |
| THD M10-120/45 | 3 | 13 |
| THD M10-170/95 | 3 | 13 |
**) Permissible loads apply to single anchors in cracked concrete without the influence of center and edge distances
Montering
Montering
Monteringsveiledning
- Bor et hull i grunnmaterialet med et karbidbor med samme diameter som den nominelle diameteren til ankeret som skal installeres. Bor hullet til den angitte innstøpningsdybden pluss minimum hulledybde totalt (se tabell nedenfor til høyre) for å la gjengestøvet legge seg, og blåse det rent med trykkluft. (Overliggende installasjoner trenger ikke å blåses rene.) Alternativt kan du bore hullet dypt nok til å romme innstøpningsdybden og støvet fra boring og gjenging.
- Sett ankeret gjennom festet og inn i hullet.
- Stram ankeret inn i grunnmaterialet til sekskantskiven kommer i kontakt med festet.
Installation data
| Art. nr. | Borediameter [mm] | Dybde på borehull [mm] | Ø Gjennomfallshull [mm] | Nøgle str. | Tilspenningsmoment [Nm] | Impact screw driver (7) - Tsd [Nm] | Effektiv settedybde [mm] | Indbyrdes afstand (5) - Scr,N [mm] | Min. afstanden [mm] | Karakteristisk kantafstand [mm] | Min. kantafstand [mm] | Min. emnetykkelse [mm] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| THD M8-70/5 | 8 | 75 | 12 | 13 | NA | ≤ 200 | 47 | 141 | 50 | 70.5 | 50 | 105 |
| THD M8-80/15 | 8 | 75 | 12 | 13 | NA | ≤ 200 | 47 | 141 | 50 | 70.5 | 50 | 105 |
| THD M8-120/55 | 8 | 75 | 12 | 13 | NA | ≤ 200 | 47 | 141 | 50 | 70.5 | 50 | 105 |
| THD M10-80/5 | 10 | 85 | 14 | 15 | 75 | ≤ 515 | 55 | 165 | 60 | 82.5 | 60 | 125 |
| THD M10-100/25 | 10 | 85 | 14 | 15 | 75 | ≤ 515 | 55 | 165 | 60 | 82.5 | 60 | 125 |
| THD M10-120/45 | 10 | 85 | 14 | 15 | 75 | ≤ 515 | 55 | 165 | 60 | 82.5 | 60 | 125 |
| THD M10-170/95 | 10 | 85 | 14 | 15 | 75 | ≤ 515 | 55 | 165 | 60 | 82.5 | 60 | 125 |