Foreword Introduction 1 Scope 2 Normative References 3 Terms & Definitions 4 General 4.1 Requirements on Structural Design 4.2 Verification Procedure of Design 4.3 Requirements on Specimen 5 Load Requirements 5.1 Static Load on Bolster and Side Frame 5.2 Static Strength Load on Bolster and Side Frame 5.3 Fatigue Load on Bolster and Side Frame 6 Test 6.1 Static Load Test of Bolster and Side Frame 6.2 Static Strength Test of Bolster and Side Frame 6.3 Fatigue Test of Bolster and Side Frame 7 Evaluation Method 7.1 Static Load Test of Bolster and Side Frame 7.2 Static Strength Test of Bolster and Side Frame 7.3 Fatigue Test of Bolster and Side Frame