来自马鸿雁的问题
英语翻译BearingsfortheGirdersThelongitudinalgidershavetorestoverthepierswhichbearsthethrustoftheloadcomingoverthem.Inorderthatthegirderendsshouldrestonproperseats,thesameareprovidedwithbearingblocksmadeofc
英语翻译
BearingsfortheGirdersThelongitudinalgidershavetorestoverthepierswhichbearsthethrustoftheloadcomingoverthem.Inorderthatthegirderendsshouldrestonproperseats,thesameareprovidedwithbearingblocksmadeofcementconcrete,sothattheloadmaybeuniformlydistributedoverthestructureonwhichtheyrest.Duetotheexpansionandcontractionofthelongitudinalgirdersduringsevereheatandcold,rollersareprovidedontheabutmentendstoallowthemovementswithoutcausingthegirdertobuckle.
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2020-01-31 18:30