Zambiri za T76 Full Threaded Steel Self Drilling Rock Bolt
Nangula wodzibowola ndi mtundu wapadera wa nangula wa ndodo.Nangula wodzibowola wokha amakhala ndi kubowola kopereka nsembe, kachitsulo kakang'ono kakang'ono koyenera kakunja ndi mkati mwake ndi kulumikiza mtedza.Thupi la nangula limapangidwa ndi chubu chachitsulo chopanda dzenje chokhala ndi ulusi wozungulira wakunja.Chubu chachitsulo chimakhala ndi pobowola nsembe kumapeto kumodzi ndi mtedza wofanana ndi mbale yachitsulo.Nangula wodzibowolera yekha amagwiritsidwa ntchito m'njira yoti chitsulo chopanda kanthu (ndodo) chili ndi pobowola nsembe yofananira pamwamba pake m'malo mwa kubowola kwachikale.
Kufotokozera kwa Self Drilling Anchor Rods
| R25N | R32L | R32N | R32/18.5 | R32S | Mtengo wa R32SS | R38N | R38/19 | R51L | R51N | T76N | T76S | |
| M'mimba mwake (mm) | 25 | 32 | 32 | 32 | 32 | 32 | 38 | 38 | 51 | 51 | 76 | 76 |
| Mkati mwake(mm) | 14 | 22 | 21 | 18.5 | 17 | 15.5 | 21 | 19 | 36 | 33 | 52 | 45 |
| Kunja kwake, kothandiza(mm) | 22.5 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 35.7 | 35.7 | 47.8 | 47.8 | 71 | 71 |
| Ultimate load capacity (kN) | 200 | 260 | 280 | 280 | 360 | 405 | 500 | 500 | 550 | 800 | 1600 | 1900 |
| Kuchuluka kwa zokolola (kN) | 150 | 200 | 230 | 230 | 280 | 350 | 400 | 400 | 450 | 630 | 1200 | 1500 |
| Kulimba kwamphamvu, Rm(N/mm2) | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 |
| Mphamvu zokolola, Rp0, 2(N/mm2) | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 |
| Kulemera (kg/m) | 2.3 | 2.8 | 2.9 | 3.4 | 3.4 | 3.6 | 4.8 | 5.5 | 6.0 | 7.6 | 16.5 | 19.0 |
Ubwino ndi kugwiritsa ntchito Self Drilling Anchor Rods
Ntchito ya hollow grouting spiral nangula ndodo ndi grouting, choncho amatchedwanso grouting chitoliro.Ikhoza kuzunguliridwa pakukonzekera kwathunthu kuti ikwaniritse kukakamizidwa koyambirira.Pansi pa kupsyinjika, slurry yamkati imatuluka, yomwe sikuti imakhala ndi mphamvu yokhayokha, komanso imalowa mu dzenje la nangula pamene slurry ikusefukira, ikugwira nawo ntchito yophatikiza thanthwe lozungulira.Ili ndi maubwino ake pakugwiritsa ntchito ndi kukonzekera, kotero imatha kuwonetsa zabwino zake pakugwiritsa ntchito:
1, Ndi ndendende pansi pa izi kuti zotsatira zoyamba zachangu zothandizira zitha kukwaniritsidwa ndipo kupindika kwa thanthwe lozungulira kumatha kuyendetsedwa bwino kuti kukhazikika kwabwino kungapezeke.
2, Imagwiritsa ntchito njira yopanda pake pokonzekera, kuphatikiza ndodo za nangula ndi mapaipi opangira ma grouting.Ndiko kulinganiza kotereku komwe kuli ndi ubwino waukulu.Ngati ndi chitoliro chachikhalidwe cha grouting, chingayambitse kutaya chifukwa cha kukoka mmbuyo ndi kutsogolo, zomwe sizingawonetse chodabwitsa chotero.
3, Ikhoza kuwongolera kwambiri ntchitoyo, yomwe ili ndendende chifukwa imatha kukwaniritsa kudzaza kwambiri panthawi ya grouting, ndipo pamodzi ndi grouting, imatha kukwaniritsa zotsatira za kuponderezana.
4, Kusalowerera ndale ndi kwabwino.Ndi kuwonjezera zina zowonjezera pakugwiritsa ntchito, kumawonjezera kusalowerera ndale, kulola slurry kukulunga ndodo yonse ya nangula.Ndi chifukwa cha ichi kuti dzimbiri silidzawoneka panthawi yogwiritsidwa ntchito ndipo lingathe kukwaniritsa ntchito yayitali.
5, Ndiwothandiza kwambiri pa chipangizocho, chomwe chilinso chofunikira kwambiri.Malingana ngati ndi yabwino pa chipangizo, akhoza kufupikitsa debugging ndi nthawi yomanga.Pamodzi ndi chipangizocho, sipakufunikanso zomangira kuti zikwaniritse zofunikira za nati ndi pad.
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