Prefabricated assembled utility tunnel

The utility model relates to a prefabricated assembled utility tunnel, roof, baffle and the bottom plate of this piping lane are precast concrete board, is the length of roof, baffle and bottom plate120cm 150cm, are roof, baffle and end plate thickness 3cm 5cm, the quantity of baffle is 4, and the baffle is located between roof and the bottom plate, and the baffle is arranged and is separated into 3 cavitys with the piping lane for M shape, 3 the middle cavity of individual cavity is trapezoidal cavity, and the both sides cavity of 3 cavitys is the triangle -shaped cavity, the M connected in star has been seted up to the roof bottom, it is protruding that the baffle top is equipped with M shape, and the baffle be thin thick broom shape down, has seted up 2 rectangle recesses bottom thebaffle, the bottom plate top is equipped with 2 triangle -shaped's protruding inclined plane. The utility model provides a fall trapezoidal, that be equipped with 3 cavitys, through M connected in star and M shape protruding car