79 PKPM2010 /SATWE Midas Civil 7. 80 2 3 K 5-7 2 mm 1 15 32 12 m 2 1 2 3 135 kn / m 24. 3 kn /m 2 ZK 4 1 200 kn /1. 6 m 200 /1. 6 /5. 55 = 22. 52 kn /

2012 11 11 170 JOURNAL OF RAILWAY ENGINEERING SOCIETY Nov 2012 NO. 11 Ser. 170 1006-2106 2012 11-0078 - 04 ( 中 信 建 筑 设 计 研 究 总 院 有 限 公 司, 武 汉 430014) 1 2 U24 A Comparison between Railway Codes and Building Codes in Design of Support Rail Structure QIU Jian YE Zhi - xiong WEN Si - qing XIE Xian - yi Citic General Institute of Architectural Design and Research Co. Ltd Wuhan Hubei 430014 China Abstract Research purposes Taking the support rail layer of the Guiyang North Railway Station as an illustration this paper comparatively analyzes the calculation result with the railway code and the calculaltion result with building code by the probabilistic limit states method and the permissible stresses method from the areas of the comparison of the calculation results with the typical software the control of the prestress degree of the prestressed beam and the control of the crack of the prestressed beam and discusses the design method for the structure of the support rail layer of the bridge combined with station building. Research conclusions 1 There is no essential conflict between the railway codes and building codes and the reasonable design of the framed support rail structure can be realized by appropriate control of the prestressing degree of the prestressed support rail beam according the railway codes and the building codes. 2 The calculation should be made according to the bridge codes for control of the crack of the framed support rail beam. Key words bridge combined with building support rail beam probabilistic limit states method permissible stress method prestressing degree 1-4 2012-07 - 12 1971

79 PKPM2010 /SATWE Midas Civil 7. 80 2 3 K 5-7 2 mm 1 15 32 12 m 2 1 2 3 135 kn / m 24. 3 kn /m 2 ZK 4 1 200 kn /1. 6 m 200 /1. 6 /5. 55 = 22. 52 kn /m 2 5. 55 6. 4 m 2 ± 0. 00 m - 2. 60 m 64 kn /m 64 /5. 55 = 11. 5 kn /m 2 18 m + 24 m + 18 m 5. 0 kn /m 2 21 m 12 m ± 25 SATWE + 7. 5-7. 5 TB 10002. 1 2005

80 2012 11 4 ZK 4. 4. 4 4. 4. 5 1 5 7 24 10 ~ 20 + 15-15 1 1 MPa 2 1 1 24 m 8 605 14 521 1 500 2 000 24 m 14 502 21 706 24 m 10 738 16 702 M 1 000 3 200 24 m 11 562 14 367 24 m 17 364 25 021 3 000 2 500 24 m 37 810 48 476 1 500 2 000 90 60 184 1 31 1 000 3 200 30 9 /cm 2 84 116 3 000 2 500 135 86 253 232 1 500 2 000 24 m 8. 8 12. 5 1 000 3 200 24 m 8. 3 13. 3 /mm 3 000 2 500 21 m 6. 2 10. 9 3 TB 10002. 3 2005 6. 1. 3 0. 7 λ = σ c /σσ σ c JGJ 140 2004 4. 2. 3 λ 0. 60 λ 0. 75 1 HRB400

81 2. 5% 0. 75 K f σ σ c + γf ct PKPM SATWE σ ct 0. 7f ct σ ct f ct C40 f ct = 2. 70 MPa SATWE 1 500 2 000 0. 7f ct = 0. 7 2. 70 = 1. 89 MPa < 2. 39 MPa 2 2 M M 10768-6210 - 10843 3757-2591 - 3750 M 14525-8801 - 14593 11509-7824 - 11833 3564-2323 - 3601 21706-14521 - 22134 - - - - - - 4 σ ck - σ pc f tk C40 f tk = 2. 39 MPa 5 1 / 64 s 15. 24 64 s 15. 24 /cm 2 131-79 - 131 131-79 - 131 0. 63 0. 70 / 90 s 15. 24 90 s 15. 24 /cm 2 131 131 0. 75 0. 76 / 90 s 15. 24 90 s 15. 24 2 /cm 2 184 184 0. 75 0. 65 3 1 MPa 100% ( 下 转 第 93 页 )

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