Wall opening mouth prefabricated section is worn to shaped steel

The utility model provides a wall opening mouth prefabricated section is worn to shaped steel, including the precast concrete piece, the seam is reserved to the I -shaped, the I -steel, and groove reservation seam and channel -section steel, the I -shaped reserve the seam and set up in the precast concrete piece, the groove reserve the seam and set up in the precast concrete piece, the I -steel run through in the seam is reserved to the I -shaped, the channel -section steel run through in the seam is reserved in the groove. The utility model discloses a when section bars such as guaranteeing the I -steel passes concrete wall, reduce the damage to concrete wall, reduce later stage repairing work simultaneously, save time and cost of labor. 本实用新型提供种型钢穿墙洞口预制块，包括混凝土预制块，工字预留缝口，工字钢，槽预留缝口和槽钢，所述的工字预留缝口开设在混凝土预制块中；所述的槽预留缝口开设在混凝土预制块中；所述的工字钢贯穿在工字预留缝口内；所述的槽钢贯穿在槽预留缝口内。本实用新型的目的是在保证工字钢等型材穿过混凝土墙体时，减少对混凝土墙体的损伤，同时减少后期修补工作，节约时间和人工成本。