The winter construction steps of second incline concrete of Lvliang mountain tunnel

Aiming at the construction difficulties of second incline concrete of Lvliang mountain tunnel,it sums up the winter construction experiences of concrete,and represents the steps should be adopted in the winter construction of tunnel second line concrete from the raw material of concrete,mixing,transfer,cast-in-place and maintain according to the meteorological phenomena data and geographical environment of Lvliang area,to supply reference.