This Standard specifies the design,manufacture,factory assembly,inspection methods,inspection rules,as well as marking,packaging,quality certificates,storage and transportation of rail expansion joints of mixed passenger and freight railway.This Standard ...[继续阅读]

    9. 2. 1 Non-metallic parts shall not be mixed with metallic parts,and each package shall not exceed30 kg.9. 2. 2 The switch rail,stock rail,iron base plate,fastening system and other components shall be fixed together for packaging.9.2.3 The packaging sha...[继续阅读]

    5.3.1 The iron base plate shall comply with the following requirements:a) The raw materials of the iron base plate shall meet the design requirements.b) The tolerance of inclination of rail cant on the iron base plate shall be±1:320,and thebottom flatness...[继续阅读]

    4. 1 The REJ shall be designed with a structure comprising a fixed switch rail and movable stock railfor expansion/contraction. The variation of track gauge during stock rail expansion/contraction shallbe within±2mm.4. 2 The expansion/contraction limit of...[继续阅读]

    7. 1 The length of rails shall be measured with a steel tape at a rail temperature of 20℃±2℃,and it shall be rectified when the rail temperature changes.7.2 The verticality of rail end surface shall be measured with general measuring tools.7.3 The height ...[继续阅读]

    9.4.1 The half set of switch and stock rail components shall be hoisted at the marked hoisting points with hoisting machineries and slings,without causing any plastic deformation. Hoisting at a single point or unmarked points,and pushing or prying manuall...[继续阅读]

    5.4. 1 The bolt hole spacing of sleepers for REJs of ballasted track shall meet the design requirements,and other technical requirements shall comply with TB/T 3080.5. 4. 2 The bolt hole spacing of sleepers for REJs of ballastless track shall meet the des...[继续阅读]

    The REJs shall be delivered together with the product certificate,certificate of manufacturing technology and laying drawings....[继续阅读]

    8.4. 1 The type test shall be deemed as qualified when all the items meet the requirements.8.4. 2 The inspection items in Table 7 shall be determined as qualified: if the qualification rate of class A items is 100%,the qualification rate of class B items ...[继续阅读]

    8. 2. 1 Type test shall be carried out if one of the following conditions occurs:a) REJs are put into production for the first time or transfered to another site for production;b) REJ parts,of the same process,production have been suspended for one year o...[继续阅读]