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جاري تصفية النتائج، الرجاء الانتظار...
ISO 22074-4:2022
مواصفة قياسية دولية
Railway infrastructure — Rail fastening systems — Part 4: Test methods for resistance to repeated loading
ISO 22480-1:2022
مواصفة قياسية دولية
Railway applications — Concrete sleepers and bearers for track — Part 1: General requirements
ISO 22480-2:2022
مواصفة قياسية دولية
Railway applications — Concrete sleepers and bearers for track — Part 2: Prestressed monoblock sleepers
ISO 12856-1:2022
مواصفة قياسية دولية
Railway applications — Polymeric composite sleepers, bearers and transoms — Part 1: Material characteristics
ISO 22074-8:2022
مواصفة قياسية دولية
Railway infrastructure — Rail fastening systems — Part 8: Test method for vertical stiffness
ISO 12856-3:2022
مواصفة قياسية دولية
Railway applications — Polymeric composite sleepers, bearers and transoms — Part 3: General requirements
ISO 23054-1:2022
مواصفة قياسية دولية
Railway applications — Track geometry quality — Part 1: Characterization of track geometry and track geometry quality
ISO 22074-7:2021
مواصفة قياسية دولية
Railway infrastructure — Rail fastening systems — Part 7: Test method for clamping force and uplift stiffness
ISO 23300-1:2021
مواصفة قياسية دولية
Railway infrastructure — Rail welding — Part 1: General requirements and test methods for rail welding
ISO 22074-3:2021
مواصفة قياسية دولية
Railway infrastructure — Rail fastening systems — Part 3: Proof load test method for pull-out resistance
ISO 22074-6:2021
مواصفة قياسية دولية
Railway infrastructure — Rail fastening systems — Part 6: Test method for resistance to severe environmental conditions
ISO 22074-2:2021
مواصفة قياسية دولية
Railway infrastructure — Rail fastening systems — Part 2: Test method for longitudinal rail restraint