Otsenka napryazhennogo sostoyaniya v okrestnosti treshchin v rel'sakh: Rabota defektnykh rel'sov v puti s uchetom ego dinamiki i vzaimodeystviya s podvizhnym sostavom okumak kayıt olmadan

Otsenka napryazhennogo sostoyaniya v okrestnosti treshchin v rel'sakh: Rabota defektnykh rel'sov v puti s uchetom ego dinamiki i vzaimodeystviya s podvizhnym sostavom

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Zheleznodorozhnye rel'sy yavlyayutsya osnovnym elementom verkhnego stroeniya puti, a zheleznodorozhnyy transport yavlyaetsya prevaliruyushchim vidom transporta vo mnogikh stranakh mira,v tom chisle i v Rossii. Zheleznodorozhnyy transport yavlyaetsya sredstvom povyshennoy opasnosti, a riski, s nim svyazannye, assotsiiruyutsya s vozmozhnymi posledstviyami skhodov poezdov, vozmozhnykh ekologicheskikh katastrof i finansovykh zatrat, svyazannykh s poterey osnovnykh fondov, priostanovke perevozochnogo protsessa i ustraneniya posledstviy krusheniy. Razlichnye tekhnologii i normativnye dokumenty, napravlennye na povyshenie bezopasnosti dvizheniya, postoyanno sovershenstvuyutsya i prinimayutsya k ispolneniyu rabotnikami lineynykh predpriyatiy zheleznykh dorog,odnako, podobnye sobytiya vse eshche proiskhodyat. Veroyatnost' skhodov podvizhnogo sostava i izlomov rel'sov pod poezdami mozhno minimizirovat' putem gluboko issledovaniya prichin, privodyashchikh k etim sobytiyam. V rabote predstavleny matematicheskie modeli, kolichestvenno opredelyayushchie kriterii, neobkhodimye dlya prognozirovaniya zhivuchesti defektnykh rel'sov s konkretnoy geometriey poperechnykh treshchin v ekspluatatsii, a takzhe pozvolyayushchie otsenit' ikh ostatochnuyu prochnost'.

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12 Eylül 2017 21 x 0,5 x 29,7 cm Insight Editions edition cumulus 28 Şubat 2018 J B SBoon 21,6 x 0,2 x 27,9 cm Emily Grace 22 Mayıs 2016 21,6 x 0,6 x 27,9 cm 14,8 x 0,5 x 21 cm 14,8 x 0,7 x 21 cm 15 x 1,1 x 22 cm 12 Ekim 2016 25 Şubat 2018 23 Temmuz 2017 Collectif Kolektif

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okumak okumak kayıt olmadan