1. N'ihi arọ dị arọ nke ngwá ọrụ na-agbagharị agbagharị rotary, ebe a na-ewu ụlọ ga-adị larịị, sara mbara, ma nwee ihe siri ike iji zere ịkụnye akụrụngwa.
2. Lelee ma ngwá ọrụ a na-egwupụta ihe ejirila ezé n'akụkụ mgbe a na-ewu ụlọ.Ọ bụrụ na emechighị mkpọmkpọ ahụ, rụzie ya n'oge.
3. Na nke mbụ grouting, gbanye apịtị kwụ ọtọ n'ime etiti oghere ikpo iji gbochie apịtị na-agba ọsọ na ala n'akụkụ mgbidi casing na tọpụ ala na ala nke casing.
4. N'ihi ntinye miri emi nke oyi akwa ụrọ, ọ dị mfe ime olu.Mgbe a na-egwupụta ihe, a ga-enyocha nke ọma omimi ihe omimi.
5. Dị ka ọnọdụ geological dị iche iche si dị, a ga-eme ka njikwa apịtị sie ike na usoro ihe owuwu iji hụ na apịtị dị mma na nkwado nke mgbidi apịtị.
6. N'ihi na formations na urughuru size ihe na-erughị 100mm, omenala mkpọpu bọket nwere ike ji mee ihe maka ala mkpọpu ala.Mgbe ị na-egwupụta ala, ṅaa ntị na ịkụ ala na ịkwatu ala mgbe ịwụ ahụ jupụtara; Mgbe ịwụ ahụ dị nro, a ga-eji obere akụkụ dị ntakịrị mee ihe. na-egwupụta ihe ndị siri ike; Mgbe oyi akwa mpaghara nwere nnukwu okwute na dayameta nke 100mm ~ 200mm, a ga-agbapụ otu agụba ala nke nwere nnukwu oghere, ma ọ bụ gwepịa ya na-agbapụta tupu ịkụ ya; Mgbe ị na-eji nkume ndị nwere dayameta karịa 200mm. ma ọ bụ iji nyocha buru ibu na mgbidi oghere ahụ, a ga-eji nkume cylindrical ma ọ bụ mkpọpu annular mee ihe, buru ụzọ bepụ cone site na mgbidi oghere wee wepụ ya.
7. Mgbe ị na-ezute ala siri ike, iji mee ka ọsọ ọsọ na-agba ọsọ, ị nwere ike ịkụnye obere oghere tupu ị na-egwupụta ya.
8. Iji gbochie oghere ahụ ka ọ ghara ịdị na-atụgharị ma na-egwupụta ihe karịrị ya, dozie oghere ahụ mgbe ị na-egwupụta ihe, ọ dịkwa mma ịkwatu ala na saịtị.
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Oge nzipu: Ọgọst-03-2022