GB/T 24721.3-2023 Translated English of Chinese Standard (GB/T 24721.3-2023, GBT24721.3-2023): Glass fiber reinforced plastic product for highway -- Part 3: DuctThis document specifies the product classification, structures, dimensions and deviations, model, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage requirements for glass fiber reinforced plastic duct for highway. This document is applicable to the production, inspection and usage of glass fiber reinforced plastic duct for highway (hereinafter referred to as ˇ°glass fiber reinforced ductˇ±). |
Common terms and phrases
180 MPa circumferential 24721 Glass Fiber allowable deviation Appearance Quality arithmetic mean chemical media Communications Well Lid conduct the test deviation of inner diameter of socket Dimensions and Deviations division value document drop hammer impact duct for highway Duct rigidity expressed in mm fiber reinforced ducts fiber reinforced plastic flame-retardant properties flexural strength value further standardize glass fiber reinforced inner diameter insertion end level of glass Load deformation temperature materials for highway measure-take three values measurement result MPa axial No.1 requirements Non-pressure Communications Product for Highway pultruded glass fiber QB/T quality level Reinforced Duct Products reinforced plastic duct reinforced plastic materials Reinforced Plastic Product respectively measure-take three Rolled and pultruded Rolled glass fiber Sign Base Panel socket end specified date standardize the quality stipulations of GB/T stipulations of Table Structures and Dimensions take the arithmetic technical requirements Tensile strength test methods tested in accordance value not greater wall thickness Winded glass fiber