This standard specifies the operation characteristics,product classification,type and identification,technical requirements,test methods,test rules,marking,package,transportation and storage of railway through ground wire (hereinafter referred to as the t...[继续阅读]

    The test for tensile strength and elongation at break of through ground wire shall be carried out in accordance with GB/T 228.1.The tension speed shall be 20 mm/min....[继续阅读]

    8.1.1 The following marks shall be printed every meter on the through ground wires:a) Name or code of manufacturer.b) Type,specification and manufacture year of product.c) Continuous length marks.8.1.2 The cable drums shall be marked with the following:a)...[继续阅读]

    5.2.1 The conductor shall be formed by type TR soft round copper wires stranded together in accordance with GB/T 3953,and the elongation at break of the soft round copper wire shall not be less than 25%.a) DH 35 and S-DH 35b) DH 70 and S-DH 70Figure 2 Sch...[继续阅读]

    4.1.1 The type is composed of the following parts and is coded as shown in Figure 1.Figure 1 Type Composition of Through Ground Wire4.1.2 The codes and meanings of each part shall be in accordance with Table 1.Table 1 Codes and MeaningsNo.Type composition...[继续阅读]

    After the bending test for the through ground wire,the outer sheath shall have no visible breakage or flaws....[继续阅读]

    The test for the length marking error of through ground wire shall be carried out in accordance with clause 4.4 of YD/T 837.5-1996....[继续阅读]

    5.3.1 Basic Requirements of Outer SheathThe outer sheath shall use the environmental-friendly alloy materials which shall seamlessly andtightly cover the stranded conductor as a whole.The appearance of outer sheath shall be clean and befree of oxidation o...[继续阅读]

    The bending performance test shall be carried out in accordance with JB/T 10696.3.The diameter of cylinder used in the test shall not be more than the 20 times of the outer diameter of through ground wire.The through ground wire shall be bent 6 times at a...[继续阅读]

    The test for the maximum outer diameter of through ground wire shall be carried out in accordance with GB/T 4909.2....[继续阅读]