arịlịka nke onwe
The onwe-egwu ala arịlịka usoro mejupụtara a oghere threaded bolt ruru eru na a kwekọrọ ekwekọ akuakuzinwo bit ịrụ mkpọ ala, anchoring na grouting na otu go.The onwe-egwuputa ihe arịlịka usoro na-tumadi ji mkpọda kwụsie ike, tunneling ọganihu, Micro-ikpo ntọala na injinia ndị ọzọ, nke a na-ejikarị na Ngwuputa, ọwara, ụgbọ okporo ígwè, ụzọ ụgbọ oloko na injinia ndị ọzọ.
Otu r-threaded bolt, ma ọ bụ bolt, arịlịka, bụ a threaded oghere mkpara na a elu imewe nke wavy eri dị ka ISO 10208 na 1720.It e mbụ mepụtakwara site mai na 1960 na-agba ọsọ na-ewu nke mgbagwoju n'okpuruala project.It. ka na-ewu ewu n'ụwa niile taa.
Nkọwapụta eriri: R25, R32, R38, R51, T76
Ọkọlọtọ eriri: ISO10208, ISO1720, wdg