Assembled steel construction utility tunnel with lateral conduit

The utility model discloses an assembled steel construction utility tunnel with lateral conduit, including and assembling the trunk line of formation by the unit slab that lies in top and bottom and both sides face respectively along circumference, the top of this trunk line is equipped with the lateral conduit that is used for the ventilation or flees for one's life, wherein, set up the connector at the top of trunk line to periphery at this connector sets up the shaped steel flange, the lateral conduit passes through the shaped steel flange and is connected with the trunk line. The utility model discloses it establishes the pipeline structure of branch to add on current utility tunnel's basis to the ventilation of piping lane personnel when taking place the disaster can in time withdraw, set up the shaped steel flange in the pipeline connecting hole border and be used for connecting, compare with present welding mode, simplified processing technology, further increase the local strength of unit slab opening