JT/T 457-2007 (English Version) PDF

Scope: This standard specifies the composition, overall dimensions and allowable deviations, technical requirements, test methods, inspection rules and signs, packaging, transportation and quality certificates of three-corrugated beam steel guardrail products. This standard applies to three-corrugated beam steel guardrails for highways. Three-corrugated beam steel guardrails for urban roads can be used as a reference.

JT/T 457-2007 Referenced Document

GB/T 10125 Corrosion tests in artificial atmospheres—Salt spray tests*， 2021-08-20 Update
GB/T 1196 Unalloyed aluminium ingots for remelting*， 2023-12-28 Update
GB/T 1231 Specifications of high strength bolts with large hexagon head ，large hexagon nuts，plain washers for steel structures
GB/T 1591 High strength low alloy structural steels*， 2018-05-14 Update
GB/T 18226-2000 Specification for steel components anticorrosion of highway traffic engineering appurtenances
GB/T 2101 General requirment of acceptance, packaging, marking and certification for section steel*， 2017-07-31 Update
GB/T 3098.1 Mechanical properties of fasteners.Blots, screws and studs*， 2011-01-10 Update
GB/T 470 Zinc ingots*， 2008-06-09 Update
GB/T 6728 Cold forming hollow sectional steel for general structure*， 2017-07-12 Update
GB/T 700 Carbon structural steels
GB/T 90.1 Fasteners—Acceptance inspection*， 2023-05-23 Update
GB/T 90.2 Fasteners--Marking and packaging
GB/T 90.3 Fasteners.Quality assurance system*， 2011-01-10 Update
JT/T 281-2007 Corrugated sheet steel beams for guardrail
JT/T 495 Sampling methods for highway safety facilities quality inspection*， 2014-04-15 Update
JTG/T D81 Detailed Rules for the Design of Highway Traffic Safety Facilities*， 2018-01-01 Update