I-steel reinforcement kukhona njengengxenye enengqubela yesakhiwo ekuzilingiswa ze-deep foundation kanye ze-geotechnical engineering, okuhlanganisa i-tensile strength ephakameleyo kanye i-durability enhle ukuba ziphakamisele ekuginyeni okuyinkimbinkimbi okuchasene nesambulo ezansi komhlaba. Esakhiwe nge-carbon steel enamandla asondelekile kahle okuthi, i-steel reinforcement bars—oyaziwa kanjalo njengo-rebar—egcinwa kungenziwe ngeproseso ye-hot-rolling eyakhamba intikizelo yobuso ebiswe ukuba ikhombise i-mechanical bond ne-concrete matrices. Umuntu ohlanganiswe kuvamile qukethe u-0.15–0.40% okumswazi ngesisindo, oqukethwe khona i-manganese kanye i-silicon content ebhekela izakhiwo ze-yield okufanele sekubamba i-weldability kanye i-ductility enengqubela kwamasebenzisa abanqoba ekuzilingiswa zencasi.
I-steel rebar (reinforcing steel bar) iyimathiriyali ewusikwelo oyinhloko esetshenziswa ekusikeni i-reinforced concrete ngezakhi ze-deep foundation, piling, kanye ne-geotechnical engineering. I-steel rebar yenziwe ngamabhari e-carbon steel ekuhrandiwe ngokushisa enendawo yemigwingwi eyamukelekile okuthuthukisa ukunyamatisana kanye namandla okusungulula ne-concrete. Imathiriyali ifumaneke emigaqwini eyahlukene (ngokuvamile 6mm kuya 50mm) futhi yenziwe ngaphansi kwokulawula okuqingqo kwendlela ekuze inikeze i-yield strength, ductility, kanye nokumelana nokutshiya okufanele emaphutha emaphansi.
I-steel rebar cages, eyaziwa nangokuthi ama-reinforcement cages noma ama-reinforced concrete cages, iyizinto zenziwe okwalula ezakha ama-structural framework ahlanganisa amabhari e-steel rebar (rebars) ababoshwe ngomsindo wensimbi ukuze aqine isakhiwo esinentlanzi ezintathu. Ezi zinto zenziwe ukuze zinikeze i-tensile reinforcement ngaphakathi kwe-drilled shafts, caissons, kanye ne-piles, lapho zibhekisana ne-bending stresses kanye nokusasaza amandla kuthe kwagqoke umthetho we-concrete. Inhlanganisela ivamile ihlanganisa i-Grade 60 (420 MPa) noma i-Grade 75 (500 MPa) deformed steel rebars zihlelwe izindlela zezikhazi, isikwele, noma ezinomugqa, namabhari-longitudinal anikeza i-primary reinforcement kanye ne-spiral noma i-tie wires eziqinisa amabokisi ngesikhathi sokufakwa nokubeka i-concrete.