Bayanin T76 Cikakken Zaren Karfe Self Drilling Rock Bolt
anka hakowa kai nau'i ne na musamman na sanduna. anka hakowa da kai ya ƙunshi ɗigon haƙora na hadaya, sandunan ƙarfe mara ƙarfi na diamita na waje da na ciki da ya dace da goro. Jikin anga an yi shi da bututun ƙarfe mai faɗuwa tare da zaren zagaye na waje. Bututun ƙarfe yana da ɗan haƙon hadaya a ƙarshen ɗaya da kwaya daidai da farantin ƙarshen karfe. Ana amfani da anka mai hakowa da kai ta hanyar da madaidaicin sandar ƙarfe (sanda) yana da ɗan haƙon hadaya daidai a samansa maimakon na gargajiya.
Ƙayyadaddun Sandunan ankar Hakowa Kai
| R25N | R32L | R32N | R32/18.5 | R32S | Saukewa: R32SS | R38N | R38/19 | R51L | R51N | T76N | T76S | |
| Diamita na waje (mm) | 25 | 32 | 32 | 32 | 32 | 32 | 38 | 38 | 51 | 51 | 76 | 76 |
| Diamita na ciki(mm) | 14 | 22 | 21 | 18.5 | 17 | 15.5 | 21 | 19 | 36 | 33 | 52 | 45 |
| Diamita na waje, tasiri (mm) | 22.5 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 35.7 | 35.7 | 47.8 | 47.8 | 71 | 71 |
| Ƙarfin kaya na ƙarshe (kN) | 200 | 260 | 280 | 280 | 360 | 405 | 500 | 500 | 550 | 800 | 1600 | 1900 |
| Ƙarfin ɗorawa (kN) | 150 | 200 | 230 | 230 | 280 | 350 | 400 | 400 | 450 | 630 | 1200 | 1500 |
| Ƙarfin ɗaure, Rm (N/mm2) | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 |
| Ƙarfin Haɓaka, Rp0, 2(N/mm2) | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 |
| Nauyi (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 |
Fa'ida da aikace-aikacen ƙwanƙwasa ƙwanƙwasa ƙwanƙwasawa
Aiki na m grouting karkace anga sanda ne grouting, don haka shi ne kuma ake kira grouting bututu. Ana iya juya shi a cikin tsarin gabaɗaya don cimma matsa lamba na farko. A karkashin matsin lamba, slurry na ciki yana gudana, wanda ba kawai yana da tasiri a kan kansa ba, amma kuma yana shiga cikin rami na anga lokacin da slurry ya cika, yana taka rawa wajen ƙarfafa dutsen da ke kewaye. Yana da nasa abũbuwan amfãni a cikin aikace-aikace da kuma tsarawa, don haka zai iya nuna nasa fa'idodin a aikace:
1. Yana da daidai a karkashin wannan sakamako cewa farkon m goyon bayan sakamako za a iya samu da kuma nakasawa na kewaye dutse za a iya da kyau sarrafa cewa mai kyau kwanciyar hankali sakamako za a iya samu.
2. Yana amfani da m hanya a cikin tsarawa, hadawa anka sanduna da grouting bututu. Daidai irin wannan tsarin yana da fa'idodi masu yawa. Idan bututun grouting ne na gargajiya, zai iya haifar da asara saboda ja da baya da baya, wanda ba zai haifar da irin wannan lamari ba.
3. Yana iya ƙwarai inganta ingancin aikin, wanda shi ne daidai domin zai iya cimma babban mataki na cika a lokacin grouting, kuma tare da grouting, zai iya cimma sakamakon matsa lamba grouting.
4. Rashin tsaka tsakinsa yana da kyau. Tare da ƙari na wasu na'urorin haɗi yayin amfani, yana ƙara tsaka tsaki, ƙyale slurry ya nannade gabaɗayan sandar anga mara kyau. Daidai saboda wannan tsatsa ba zai bayyana a lokacin amfani ba kuma zai iya cimma amfani na dogon lokaci.
5. Hakanan yana da matukar dacewa akan na'urar, wanda shima yana da mahimmanci. Muddin yana dacewa akan na'urar, zai iya rage lokacin cirewa da kuma ginawa. Tare da na'urar, ba a buƙatar ƙarin sukurori don biyan buƙatun goro da kushin na'urar.
