Strenghthened type fragment of brick for building engineering

The utility model discloses a strenghthened type fragment of brick for building engineering, include: the brick body, the up end of brick body is equipped with arc hunch -up portion, the lower terminal surface of brick body is equipped with the assorted arc recess with arc hunch -up portion, the right -hand member face of brick body is equipped with cross bellying, the left end face of brick bodybe equipped with with cross bellying assorted crosswise groove, be equipped with first slot on the brick body of arc hunch -up portion front side, be equipped with the second slot on the brick body ofarc hunch -up portion rear side, it has the acoustic celotex board to peg graft in the first slot, it has thermal -insulation plate to peg graft in the second slot, syllable -dividing glue has all been filled in space between acoustic celotex board and the first slot and the space between thermal -insulation plate and the second slot. The utility model discloses connect between the well fragmentof brick closely, stability