Okpu ibu ndị a bụ akụkụ ígwè emepụtara iji eme ibu site n'elu anchor ígwè ndị a tụọ n'elu ala o ma ọkwa okwu matrix ala dị elu. A mepụtara site n'ígwè ike elu, okpu ibu ndị a a ka-gbanwere nke ukwu iji nwee ike anchor ígwè ma ọkwa keli head, na-agụnye okpu ibu dị nso ma ọkwa okpu ibu n'akụkụ emepụtara iji zọpụta ụkọ elu na na-ada ala ihe ihe. Nhazi ya na-agụnye Grade S275 ma ọkwa S355 ígwè, na okpu ibu na ụfọdụ ihe emepụtara site n'ihe ọrụ geotechnical n'elu ala na oke iku anchor.
Okpu ibu ndị a bụ akụkụ ígwè emepụtara iji eme ibu site n'elu anchor ígwè ndị a tụọ n'elu ala o ma ọkwa okwu matrix ala dị elu. A mepụtara site n'ígwè ike elu, okpu ibu ndị a a ka-gbanwere nke ukwu iji nwee ike anchor ígwè ma ọkwa keli head, na-agụnye okpu ibu dị nso ma ọkwa okpu ibu n'akụkụ emepụtara iji zọpụta ụkọ elu na na-ada ala ihe ihe. Nhazi ya na-agụnye Grade S275 ma ọkwa S355 ígwè, na okpu ibu na ụfọdụ ihe emepụtara site n'ihe ọrụ geotechnical n'elu ala na oke iku anchor.