Nkọwa nke T76 Full Threaded Steel Self Drilling Rock Bolt
Ihe mgbochi igwe na-egwu onwe onye bụ ụdị ihe mgbochi igwe na-egwu onwe ya. Ihe mgbochi igwe na-egwu onwe ya nwere obere ihe mgbochi igwe na-egwu àjà, obere ihe mgbochi ígwè dị n'ime na nke dị n'èzí kwesịrị ekwesị, yana mkpụrụ ndị na-ejikọ ọnụ. Ejiri tube ígwè dị n'ime ya mee ahụ ihe mgbochi igwe na eriri dị gburugburu. Tube ígwè nwere obere ihe mgbochi igwe na-egwu àjà n'otu nsọtụ yana obere ihe mgbochi igwe na-egwu ya. A na-eji ihe mgbochi igwe na-egwu onwe ya n'ụzọ nke na obere ihe mgbochi igwe (mkpanaka) nwere obere ihe mgbochi igwe na-egwu àjà n'elu ya kama obere ihe mgbochi igwe na-egwu egwu ochie.
Nkọwapụta nke Mkpanaka Anchor nke Onwe
| R25N | R32L | R32N | R32/18.5 | R32S | R32SS | R38N | R38/19 | R51L | R51N | T76N | T76S | |
| Dayameta mpụga (mm) | 25 | 32 | 32 | 32 | 32 | 32 | 38 | 38 | 51 | 51 | 76 | 76 |
| Dayameta dị n'ime(mm) | 14 | 22 | 21 | 18.5 | 17 | 15.5 | 21 | 19 | 36 | 33 | 52 | 45 |
| Dayameta mpụta, dị irè (mm) | 22.5 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 35.7 | 35.7 | 47.8 | 47.8 | 71 | 71 |
| Ike ibu kachasị elu (kN) | 200 | 260 | 280 | 280 | 360 | 405 | 500 | 500 | 550 | narị asatọ | 1600 | 1900 |
| Ike ibu (kN) | 150 | 200 | 230 | 230 | 280 | 350 | narị anọ | narị anọ | 450 | 630 | 1200 | 1500 |
| Ike nrụgide, Rm(N/mm2) | narị asatọ | narị asatọ | narị asatọ | narị asatọ | narị asatọ | narị asatọ | narị asatọ | narị asatọ | narị asatọ | narị asatọ | narị asatọ | narị asatọ |
| Ike mmepụta, Rp0, 2(N/mm2) | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 |
| Ibu (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 |
Uru na ojiji nke Mkpanaka Anchor nke Onwe
Ọrụ nke mkpanaka anchor spiral grouting hollowing bụ grouting, ya mere a na-akpọkwa ya grouting pipe. Enwere ike ịtụgharị ya na atụmatụ zuru oke iji nweta nrụgide mbụ. N'okpuru nrụgide, slurry dị n'ime na-apụta, nke ọ bụghị naanị na ọ nwere mmetụta kwụsiri ike n'onwe ya, kamakwa ọ na-abanye n'oghere anchor mgbe slurry ahụ jupụtara, na-arụ ọrụ n'ịkwakọba nkume gbara ya gburugburu. O nwere uru nke ya na itinye na nhazi, yabụ ọ nwere ike igosi uru nke ya na itinye:
1, Ọ bụ kpọmkwem n'okpuru mmetụta a ka enwere ike nweta mmetụta nkwado ngwa ngwa mbụ yana enwere ike ijikwa mgbanwe nke nkume gbara ya gburugburu nke ọma ka enwere ike nweta mmetụta kwụsiri ike dị mma.
2, Ọ na-eji usoro oghere eme atụmatụ, na-ejikọta mkpanaka arịlịka na paịpụ grouting. Ọ bụ kpọmkwem ụdị atụmatụ a nwere nnukwu uru. Ọ bụrụ na ọ bụ paịpụ grouting ọdịnala, ọ nwere ike ibute mfu n'ihi ndọpụ azụ na azụ, nke na-agaghị eweta ihe dị otú ahụ.
3, Ọ nwere ike ime ka ọrụ ahụ ka mma nke ukwuu, nke bụ kpọmkwem n'ihi na ọ nwere ike iru oke njupụta n'oge nhazi, yana nhazi, ọ nwere ike nweta mmetụta nke nhazi nrụgide.
4、 Ọ naghị anọchi anya ya nke ọma. Site na mgbakwunye nke ihe ndị ọzọ dị na ya n'oge eji ya, ọ na-eme ka ọ ghara ịnọ n'otu ebe, na-enye ohere ka slurry ahụ kechie mkpanaka arịlịka ahụ dum. Ọ bụ kpọmkwem n'ihi nke a ka nchara anaghị apụta n'oge eji ya ma nwee ike iji ya mee ihe ruo ogologo oge.
5、 Ọ dịkwa mma nke ukwuu na ngwaọrụ ahụ, nke dịkwa oke mkpa. Ọ bụrụhaala na ọ dị mma na ngwaọrụ ahụ, ọ nwere ike ime ka oge nrụzi na ịrụ ọrụ dị mkpụmkpụ. Ya na ngwaọrụ ahụ, ọ dịghị mkpa skru ọzọ iji mezuo ihe achọrọ na nut na pad ngwaọrụ ahụ.
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