bariga 20mm ee dhammaan waxaa lagu yimid sida materialka badbaadaha ah ee ku jira degmada, oo ka mid ah barigaydanka ah ee ku jira xagga concrete ee ku sameyn doontaa caafimaadka. Si toos ah, barigaydanka ayaa mid ah degmada 20mm ee ku jira sharciga sooshalka si carruurta ah, kama ogolaanso ASTM A615, BS 4449 ama GB 1499.2, oo ku yidhi sharcigooda wuxuu ku yidhi caafimaadkooda kama ogolaanso, sida yield strength (≥400 MPa marka HRB400 grade) iyo tensile strength (≥540 MPa). Barigaydanka ah ee ku jira xagga longitudinal iyo transverse ribs ayaa ku sameyn doontaa degmooyinka ee ku jira concrete, oo ku saabsanaya macluuma iyo ku qeybto composite structural performance. Wuxuuna ugu dambeeya hot rolling, oo ka mid ah billets ayaa ku sameyn doontaa austenitic temperature, ayaa ku roon doontaa degmada iyo ayaa ku cool doontaa si faylitaan ferrite pearlite matrix ee ku jira strength iyo ductility ah. Markii uu grades ayaa ku sameyn doontaa quenching iyo tempering si aqoonsanayo strength dheer (sida HRB500 marka yield strength ≥500 MPa). Barigaydanka 20mm ayaa ku yimid ideal ah ee ku jira concrete structures ee ku jira medium iyo la isku jiro, sida building frames, bridges, iyo foundations, oo aan ku jira main reinforcement ee ku jira degmooyinka ah ee ku jira tensile loads. Degmadaas ayaa ku cad cadeysaan construction efficiency iyo degmada requirements—degmada dheera ayaa ku sameyn doontaa tirada barashada ah oo ay ku talagalay bars kale oo leh, oo marka uu degmada xiriir ayaa ku jiraan hortiisa ah ee ku jira dense reinforcement. Dibadda ayaa ku yimid cutting, bending, iyo welding ama lapping si aqoonsanayo reinforcement cage, oo spacing iyo arrangement ayaa ku talagalay design codes. Quality control ayaa ka sameyn doontaa tensile, bend, iyo chemical composition tests si aqoonsanayo compliance. Barigaydanka 20mm ee standard size ayaa ku jira soo bandhig ah worldwide, oo performance ee ka mid ah ayaa ka sameyn doontaa construction projects ee ku jira scales kale.