某段线路钢轨50kg/m,每根为12.5m,配置23根轨枕,接头轨枕间距为440mm,求轨枕间距是多少?(设轨缝为8mm)󠄐󠄹󠅀󠄪󠄣󠄞󠄡󠄤󠄤󠄞󠄡󠄤󠄨󠄞󠄢󠄢󠄨󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄾󠅟󠅤󠄐󠄼󠅟󠅗󠅙󠅞󠄬󠅒󠅢󠄟󠄮󠇘󠆭󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮
解:由a=(L’-2c)/(n-2)知󠄐󠄹󠅀󠄪󠄣󠄞󠄡󠄤󠄤󠄞󠄡󠄤󠄨󠄞󠄢󠄢󠄨󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄾󠅟󠅤󠄐󠄼󠅟󠅗󠅙󠅞󠄬󠅒󠅢󠄟󠄮󠇘󠆭󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮
a=(12.508-2×0.44)/(23-2)≈0.55m=550mm󠄐󠄹󠅀󠄪󠄣󠄞󠄡󠄤󠄤󠄞󠄡󠄤󠄨󠄞󠄢󠄢󠄨󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄾󠅟󠅤󠄐󠄼󠅟󠅗󠅙󠅞󠄬󠅒󠅢󠄟󠄮󠇘󠆭󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮
b=[L’-c-(n-3)a]/2=(12.508-0.44-(23-3)×0.55)/2=0.534m=534mm󠄐󠄹󠅀󠄪󠄣󠄞󠄡󠄤󠄤󠄞󠄡󠄤󠄨󠄞󠄢󠄢󠄨󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄾󠅟󠅤󠄐󠄼󠅟󠅗󠅙󠅞󠄬󠅒󠅢󠄟󠄮󠇘󠆭󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮
答:过渡间距为534mm,其余轨枕间距为550mm。󠄐󠄹󠅀󠄪󠄣󠄞󠄡󠄤󠄤󠄞󠄡󠄤󠄨󠄞󠄢󠄢󠄨󠄬󠅒󠅢󠄟󠄮󠄐󠅅󠄹󠄴󠄪󠄾󠅟󠅤󠄐󠄼󠅟󠅗󠅙󠅞󠄬󠅒󠅢󠄟󠄮󠇘󠆭󠆘󠇙󠆝󠅵󠇗󠆭󠆁󠄐󠇗󠅹󠅸󠇖󠆍󠅳󠇖󠅹󠅰󠇖󠆌󠅹󠄬󠅒󠅢󠄟󠄮