AREMA美国铁路[1]..

© 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-1 4 Part 1 Design1 — 1995 — TABLE OF CONTENTS Section/Article Description Page 1.1 Recommended Rail Sections (1995) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-2 1.2 Joint Bars and Assemblies (1991) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-10 1.3 Rail Drillings, Bar Punchings and Bolts (1991) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-15 1.4 Design for Track Bolts and Nuts (1991). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-17 LIST OF FIGURES Figure Description Page 4-1-1 115 RE Rail Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-3 4-1-2 119 RE Rail Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-4 4-1-3 132 RE Rail Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-5 4-1-4 133 RE Rail Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-6 4-1-5 136 RE Rail Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-7 4-1-6 140 RE Rail Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-8 4-1-7 141 AB Rail Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-9 4-1-8 Joint Bar Assembly for 115 RE and 119 RE Rail (115 RE shown) . . . . . . . . . . . . . . . . . . . . . . . 4-1-10 4-1-9 Joint Bar and Assembly for 132 RE and 136 RE Rail (132 RE Shown) . . . . . . . . . . . . . . . . . . . 4-1-11 4-1-10 Joint Bar and Assembly for 133 RE Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-12 4-1-11 Joint Bar and Assembly for 140 RE Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-13 4-1-12 Recommended Head Easement for Joint Bars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-14 4-1-13 Recommended Rail Drillings and Bar Punchings for 115 RE, 119 RE, and 133 RE, Utilizing 1 Inch Track Bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-16 4-1-14 Recommended Rail Drillings and Bar Punchings for 132 RE, 136 RE, and 140 RE Rails and Joint Bars, Utilizing 1c Inch Track Bolts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-16 4-1-15 Oval Neck Track Bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-17 1 References, Vol. 16, 1915, pp. 397, 1117; Vol. 49, 1948, pp. 375, 614; Vol. 54, 1953, pp. 1177, 1413, Vol. 63, 1962, pp. 498, 768; Vol. 92, 1991, p. 49; Vol. 96, p. 28. Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-2 AREMA Manual for Railway Engineering LIST OF FIGURES (CONT) Figure Description Page 4-1-16 Elliptic Neck Track Bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-18 4-1-17 Track Bolt Nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-19 LIST OF TABLES Table Description Page 4-1-1 Recommended Rail Drillings, Bar Punchings and Track Bolts for 115 RE, 119 RE, 132 RE, 133 RE, 136 RE and 140 RE Rails and Joint Bars . . . . . . . . . . . . . . . . . . . . . 4-1-15 4-1-2 Oval Neck Track Bolts (See Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-17 4-1-3 Elliptic Neck Track Bolts (See Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-18 4-1-4 American Standard Track Bolt Nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1-19 SECTION 1.1 RECOMMENDED RAIL SECTIONS (1995) For recommended rail sections refer to Figure 4-1-1 through Figure 4-1-7. Design © 2002, American Railway Engineering and Maintenance-of-Way Association AREMA Manual for Railway Engineering 4-1-3 Figure 4-1-1. 115 RE Rail Section1 1. Rail Area (square inch) Head Web Base Whole Rail 3.9156 3.0363 4.2947 11.2465 2. Rail Weight (lb/yd) (based on specific gravity of rail steel = 7.84) 114.6758 3. Moment of Inertia about the neutral axis 65.9 4. Section modulus of the head Section modulus of the base 18.1 22.0 5. Height of neutral axis above base 3.00 6. Lateral moment of inertia 10.7 7. Lateral section modulus of the head Lateral section modulus of the base 7.90 3.90 8. Height of shear center above base 1.45 9. Torsional rigidity is ‘KG’ where G is the modulus of rigidity and K = (error for K greater than 10%) 4.69 1 References, Vol 16, 1915, pp. 399, 1117; Vol. 35, 1934, pp. 875, 1144; Vol 38, 1937, pp. 251, 635; Vol 48, 1947, pp. 660, 908; Vol. 54, 1953, pp. 1177; Vol. 63, 1962, pp. 498, 768; Vol. 92, 1991, p. 49. Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-4 AREMA Manual for Railway Engineering Figure 4-1-2. 119 RE Rail Section1 1. Rail Area (square inch) Head Web Base Whole Rail 4.3068 3.0363 4.2946 11.6378 2. Rail Weight (lb/yd) (based on specific gravity of rail steel = 7.84) 118.6657 3. Moment of Inertia about the neutral axis 71.4 4. Section modulus of the head Section modulus of the base 19.4 22.8 5. Height of neutral axis above base 3.13 6. Lateral moment of inertia 10.8 7. Lateral section modulus of the head Lateral section modulus of the base 8.16 3.94 8. Height of shear center above base 1.51 9. Torsional rigidity is ‘KG’ where G is the modulus of rigidity and K = (error for K greater than 10%) 5.11 1 References Vol. 72, 1971, p. 160; Vol. 92, 1991, p. 49 Design © 2002, American Railway Engineering and Maintenance-of-Way Association AREMA Manual for Railway Engineering 4-1-5 Figure 4-1-3. 132 RE Rail Section1 1. Rail Area (square inch) Head Web Base Whole Rail 4.4274 3.6149 4.8701 12.9124 2. Rail Weight (lb/yd) (based on specific gravity of rail steel = 7.84) 131.6622 3. Moment of Inertia about the neutral axis 87.9 4. Section modulus of the head Section modulus of the base 22.4 27.4 5. Height of neutral axis above base 3.20 6. Lateral moment of inertia 14.4 7. Lateral section modulus of the head Lateral section modulus of the base 9.57 4.79 8. Height of shear center above base 1.57 9. Torsional rigidity is ‘KG’ where G is the modulus of rigidity and K = (error for K greater than 10%) 5.31 1 References, Vol. 21, 1920, p. 1455; Vol. 34, 1933, pp. 640, 824; Vol. 39, 1938, pp. 397, 802; Vol. 48, 1947, pp. 662, 908; Vol. 54, 1953, pp. 1177, 1413; Vol. 63, 1962, pp. 498, 768; Vol. 92, 1991, p 49. Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-6 AREMA Manual for Railway Engineering Figure 4-1-4. 133 RE Rail Section1 1. Rail Area (square inch) Head Web Base Whole Rail 4.7279 3.4645 4.8757 13.0681 2. Rail Weight (lb/yd) (based on specific gravity of rail steel = 7.84) 133.2498 3. Moment of Inertia about the neutral axis 86.2 4. Section modulus of the head Section modulus of the base 22.3 26.9 5. Height of neutral axis above base 3.20 6. Lateral moment of inertia 14.4 7. Lateral section modulus of the head Lateral section modulus of the base 9.62 4.81 8. Height of shear center above base 1.57 9. Torsional rigidity is ‘KG’ where G is the modulus of rigidity and K = (error for K greater than 10%) 5.69 1 References, Vol. 90, 1989, p. 48; Vol. 92, 1991, p. 49. Design © 2002, American Railway Engineering and Maintenance-of-Way Association AREMA Manual for Railway Engineering 4-1-7 Figure 4-1-5. 136 RE Rail Section1 1. Rail Area (square inch) Head Web Base Whole Rail 4.8187 3.6375 4.8702 13.3263 2. Rail Weight (lb/yd) (based on specific gravity of rail steel = 7.84) 135.8826 3. Moment of Inertia about the neutral axis 94.20 4. Section modulus of the head Section modulus of the base 23.70 28.20 5. Height of neutral axis above base 3.34 6. Lateral moment of inertia 14.44 7. Lateral section modulus of the head Lateral section modulus of the base 9.83 4.82 8. Height of shear center above base 1.64 9. Torsional rigidity is ‘KG’ where G is the modulus of rigidity and K = (error for K greater than 10%) 6.24 1 References, Vol. 63, 1962, pp. 498, 768; Vol. 92, 1991, p. 49; Vol. 96, p. 28. Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-8 AREMA Manual for Railway Engineering Figure 4-1-6. 140 RE Rail Section1 1. Rail Area (square inch.) Head Web Base Whole Rail 5.0827 3.7092 4.8757 13.6675 2. Rail Weight (lb/yd) (based on specific gravity of rail steel = 7.84) 139.3617 3. Moment of Inertia about the neutral axis 95.9 4. Section modulus of the head Section modulus of the base 24.3 28.6 5. Height of neutral axis above base 3.36 6. Lateral moment of inertia 14.9 7. Lateral section modulus of the head Lateral section modulus of the base 9.95 4.98 8. Height of shear center above base 1.67 9. Torsional rigidity is ‘KG’ where G is the modulus of rigidity and K = (error for K greater than 10%) 6.85 1 References, Vol. 55, 1954, pp. 775, 1098; Vol. 63, 1962, pp. 500, 768; Vol. 92, 1991, p. 49. Design © 2002, American Railway Engineering and Maintenance-of-Way Association AREMA Manual for Railway Engineering 4-1-9 Figure 4-1-7. 141 AB Rail Section Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-10 AREMA Manual for Railway Engineering SECTION 1.2 JOINT BARS AND ASSEMBLIES (1991) For joint bars and assemblies refer to Figure 4-1-8 through Figure 4-1-12. Figure 4-1-8. Joint Bar Assembly for 115 RE and 119 RE Rail (115 RE shown)1 1 References, Vol. 48, 1947, pp. 661, 908; Vol. 54, 1953, pp. 1178, 1414; Vol. 63, 1962, pp. 500, 768; Vol. 92, 1991, p. 49. Design © 2002, American Railway Engineering and Maintenance-of-Way Association AREMA Manual for Railway Engineering 4-1-11 Figure 4-1-9. Joint Bar and Assembly for 132 RE and 136 RE Rail (132 RE Shown)1 1 References, Vol. 48, 1947, pp. 661, 908; vol. 54, 1953, pp. 1178, 1414; vol. 63, 1962, pp. 500, 768; Vol. 92, 1991, p. 49. Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-12 AREMA Manual for Railway Engineering Figure 4-1-10. Joint Bar and Assembly for 133 RE Rail1 1 References, Vol. 92, 1991, p. 49. Design © 2002, American Railway Engineering and Maintenance-of-Way Association AREMA Manual for Railway Engineering 4-1-13 Figure 4-1-11. Joint Bar and Assembly for 140 RE Rail1 1 References, Vol. 57, 1956, pp. 784, 1088; Vol. 63, 1962, pp. 500, 768; Vol. 92, 1991, p. 49. Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-14 AREMA Manual for Railway Engineering Figure 4-1-12. Recommended Head Easement for Joint Bars1 1 References, Vol. 54, 1953, pp. 1178, 1414; Vol. 60, 1959, pp. 874, 1166; Vol. 63, 1962, pp. 500, 768; Vol. 92, 1991, p. 49. Design © 2002, American Railway Engineering and Maintenance-of-Way Association AREMA Manual for Railway Engineering 4-1-15 SECTION 1.3 RAIL DRILLINGS, BAR PUNCHINGS AND BOLTS1 (1991) For rail drillings, bar punchings and bolts refer to Table 4-1-1 and Figure 4-1-13 through Figure 4-1-14. 1 References, Vol. 37, 1936, pp. 462, 996; Vol. 48, 1947, pp. 656, 908; Vol. 49, 1948, pp. 376, 614; Vol. 54, 1953, pp. 1179, 1414; Vol. 55, 1954, pp. 777, 1098; Vol. 63, 1962, pp. 500, 768; Vol. 92, 1991, p. 49. Table 4-1-1. Recommended Rail Drillings, Bar Punchings and Track Bolts for 115 RE, 119 RE, 132 RE, 133 RE, 136 RE and 140 RE Rails and Joint Bars Description Dimensions in Inches 115 RE and 119 RE 133 RE 132 RE and 136 RE 140 RE Rail Drillings a ���� 3 3���� 3 b 32 32 32 32 c 6 6 6 6 d (Note 1) 6 6 6 6 Bar Punchings 24O4-Hole Bar e 7c 7c 7c 7c f 6 6 6 6 g 2���� 2���� 2���� 2���� 6-Hole Bar h 7c 7c 7c 7c i 6 6 6 6 j 6 6 6 6 k 2���� 3���� 2���� 2���� m 36 38 36 36 Track Bolt D 1 1 1c 1c L 6 6 6 6 I 23 23 23 23 Note 1: This drilling to be omitted for 4-hole bars. Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-16 AREMA Manual for Railway Engineering Figure 4-1-13. Recommended Rail Drillings and Bar Punchings for 115 RE, 119 RE, and 133 RE, Utilizing 1 Inch Track Bolts Figure 4-1-14. Recommended Rail Drillings and Bar Punchings for 132 RE, 136 RE, and 140 RE Rails and Joint Bars, Utilizing 1c Inch Track Bolts Design © 2002, American Railway Engineering and Maintenance-of-Way Association AREMA Manual for Railway Engineering 4-1-17 SECTION 1.4 DESIGN FOR TRACK BOLTS AND NUTS1 (1991) For the dimensions of track bolts and nuts refer to Figure 4-1-15 through Figure 4-1-17 and Table 4-1-2 through Table 4-1-4. 1 References, Vol. 26, 1925, pp. 635, 1419; Vol. 27, 1926, pp. 482, 1351; Vol. 31, 1930, pp. 1458, 1771; Vol. 35, 1934, pp. 877, 1145; Vol. 37, 1936, pp. 429, 991; Vol. 48, 1947, pp. 656, 908; Vol. 52, 1951, pp. 602, 826; Vol. 53, 1952, pp. 843, 1139; Vol. 54, 1953, pp. 1179, 1414; Vol. 61, 1960, pp. 832, 1218; Vol. 62, 1961, pp. 586, 952; Vol. 63, 1962, pp. 501, 768. Reapproved with revisions 1962. Table 4-1-2. Oval Neck Track Bolts (See Note 1) D A H r1 r2 O R P r3 V L I Threads per Inch Nominal Dia Over Thread (Note 2) Head Neck Length Under Head Min Thread Length 2 e : f � ���� f ����� ����� �� ��� � � � ������ �� � ����� ���� ����� �� ����� � � ����� ����� ������ ��� ������ ���� ����� �� � ����� ���� ����� �� �� � � � � ����� ���� � ���� ���� ����� � ��� ��� � � ��� � �� ���� d ���� ��� ��� ��� One-half body diameter of bolt Same as body diameter of bolt Under 7² by steps of �� ² From 7² to 10² by steps of ���² �c �3 �: � �3 �2 13 11 10 9 8 7 Additional Sizes Now in Use But Not Recommended For New Design ����� ����� 1���� � � � 1����� 1����� ��� � ����� ��� 1���� 1 ���� 1e ��� ����� � � � 1���� 1���� 1d 1���� 1���� 1����� ���� 2 ���� Same as above Same as above Same as above 1f 2c 2d 10 9 8 Note 1: All dimensions given in inches. Tolerances: Length (L) ±cO Neck (O and R) ± ����O Head (A and H) ±����O Screw Threads: The screw threads on track bolts shall conform to the American Standard Coarse thread series with fit as specified. They may be formed by cutting or rolling Note 2: In ordering bolts specify the nominal diameter “D,” over the threads and not the body diameter. Figure 4-1-15. Oval Neck Track Bolts Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-18 AREMA Manual for Railway Engineering Table 4-1-3. Elliptic Neck Track Bolts (See Note 1) D A H r1 r2 O R P r5 r6 V L I Threads per Inch Nominal Dia Over Thread (Note 2) Head Neck Length Under Head Min Thread Length : f 1 1c 1���� 1����� 1����� 1 ��� ����� ����� e ����� 1 ��� 1� ��� 1e 1 ��� � � ����� ����� ����� 1���� 1d 12 ����� 1���� 1����� 1����� ���� 2 ���� e ��� 2 d ���� ���� ����� ����� 1 Same as body diamete r of bolt Under 7" by steps of 3" From 7" to 10" by steps of 2" 1: 2 23 22 10 9 8 7 Additional Sizes Now in Use But Not Recommended For New Design ����� ����� 1� ��� 1����� 1��� 1����� ����� ��� ����� 1�� 1����� 1: ����� ���� ����� 1c 1�� 1�� � 1�� 1�� � 1��� ��� ��� ��� ����� ����� ����� ��� ��� ��� Same as above Same as above 1: 2 23 10 9 8 Note 1: All dimensions given in inches. Tolerances: Length (L) ± ���O Neck (O and R) ± ����O Head (A and H) ± ����O Screw Threads: The screw threads on track bolts shall conform to the American Standard Coarse thread series with fit as specified. They may be formed by cutting or rolling Note 2: In ordering bolts specify the nominal diameter “D,” over the threads and not the body diameter. Figure 4-1-16. Elliptic Neck Track Bolts Design © 2002, American Railway Engineering and Maintenance-of-Way Association AREMA Manual for Railway Engineering 4-1-19 Table 4-1-4. American Standard Track Bolt Nuts Nominal Diameter (Note 1) Width Across Flats W Thickness U (Note 2) Chamfer (Note 3) (Optional Nut Only) Recommended for Medium Carbon Nuts Recommended for Low Carbon Nuts D Nominal Maximum Minimum Nominal Maximum Minimum Nominal Maximum Minimum E : f 1 1c 13 1���� 1e 1����� 1.250 1.4375 1.6250 1.8125 1.212 1.394 1.575 1.756 : f 1 1c 0.774 0.901 1.028 1.155 0.710 0.833 0.956 1.079 f 1 1c 13 0.901 1.028 1.155 1.282 0.833 0.956 1.079 1.187 3 3 d 2 Additional Sizes – Now in Use But Not Recommended for New Design ����� ����� 1 1���� 1��� 13 12 12 1e 1����� 1.2500 1.5000 1.5000 1.6250 1.6875 1.212 1.450 1.450 1.575 1.631 f 1c 1c 1c 13 0.901 1.155 1.155 1.155 1.282 0.833 1.079 1.079 1.079 1.187 3 d d d 2 Note 1: All dimensions given in inches. Note 2: 60° chamfer is optional when specified. (Dimensions for medium carbon nut are same as American Standard Heavy Nut, ASA B-18.2 for sizes shown.) Note 3: This dimension not specified on ASA Standard B-18.2, which specifies diameter of top circle instead. Figure 4-1-17. Track Bolt Nuts Rail © 2002, American Railway Engineering and Maintenance-of-Way Association 4-1-20 AREMA Manual for Railway Engineering THIS PAGE INTENTIONALLY LEFT BLANK.