ĐƯỜNG RAY XE LỬAI. RAY (RAIL) LÀ GÌ?

Product Description

- Product name: Heavy rails Specification: 38Kg/m \ 43Kg/m \ 50kg/m Material: U71Mn/50Mn Description: Standard: GB2585-81, fixed length 12.5m

- Product name: Light rails Specification: 6kg/m - 30kg/m Material: Q235B/55Q Description: Standard: GB11264-89 OR YB222-63, fixed length 6-10m.

- Product name: Rails in South a American Standard Specification: 15KG\ 22KG\ 30KG\ 40KG\ 48KG\ 57KG Material: 55Q/U71Mn Description: Standard: In South a American Standard. Length: 9m.

http://nbsunmax.en.made-in-china.com/product/AojEOeqJhQkH/China-Lift-Rail-80kg-Crane-rail-.html

-Hình dạng và cấu tạo:

http://visual.merriam-webster.com/transport-machinery/rail-transport/railroad-track/rail-section.php

II. CÁC DẠNG NỨT HỎNG:

-Tai nạn xe lửa:

http://www.bbc.co.uk/news/uk-10772410

-Các lực tác dụng:

http://www.ensco.com/pressreleases.htm&article=128

-Các vết nứt:

http://www.tsb.gc.ca/eng/rapports-reports/rail/2006/r06c0104/r06c0104.asp

-Hầu hết là gãy theo chiều ngang:

http://www.tsb.gc.ca/eng/rapports-reports/rail/2003/r03c0101/r03c0101.asp

http://www.tsb.gc.ca/eng/rapports-reports/rail/1999/r99h0010/r99h0010.asp

http://www.railroadtraining.biz/d-f/subpart_d.htm

http://www.railaccrep.com/single.php?report=1912-014

+Hoặcgãy tại mối hàn: http://wiki.iricen.gov.in/doku/doku.php?id=rail_failures

-Một số ít uốn theo chiều dài:

- Gãy ngang qua lỗ bulông (Fracture through the bolt holes):

http://www.tsb.gc.ca/eng/rapports-reports/rail/2007/r07q0001/r07q0001.asp

- Mô hình ANSYS lực bánh xe tác dụng lên ray:

http://iopscience.iop.org/1742-6596/181/1/012038/pdf/jpconf9_181_012038.pdf

BÙI VĂN THÔNG

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