Kia noho haumaru te huarahi maina, me hiahia te hua penei i te Split Set, Friction Bolt, Split Set Washer, Mining Mesh, Combi Plate, Strata Bolt, Rock Bolt, Mine Rock Bolt, friction stabilizer, me etahi atu.
he aha nga wahanga o te hanga maina maina me mohio tatou?Ko nga tohu e rima e whai ake nei ko nga kaupapa matua mo te hanga maina maina.Nau mai ki o korero.
1. Turanga: I muri i te keri me te tohu o te waahanga, tuhia te waahi o te kohao o te punga o te punga i runga i te mata toka, kia rite ki nga whakaritenga hoahoa.
2. Drilling: keri whakaritenga hangarau: aperture 38 ~ 42 mm;He iti iho i te 2% te ine whakatuwheratanga, a ko te hohonutanga o te kohao he 3~ 5cm te roa atu i te waahanga whakauru o te raka.
3. Te whakauru i te pereti combi: ka tapiritia ki te hiku o te punga rakau i muri i te otinga o te grouting.I muri grouting 24 haora, whakakikī i te nati, kaha mau i roto i 10KN/m~20KN/m he pai.
4. Whakauruhia te raka maina kia 3 ki te 5 henemita te tawhiti atu i te raro o te poka.I muri i te whakaurunga o te tinana o te rakau, me piri te kohao ki te slurry sima, etahi atu rauemi ranei i te wa, a me whakatu te kohao pau.
5. Mining bolt grouting: te pehanga grouting kia a tawhio noa 0. 5 ki te 0. 8Mpa, kia te grout āta werohia, ka he grout i roto i te poka hau o te maina tutaki, kati te poka hau, pūmau te werohanga pēhanga 3~ 5 meneti i muri i te whakamutua o te grouting.
Wā tuku: Feb-16-2023