Novel mortise and tenon concrete structure

The utility model relates to a novel mortise and tenon concrete structure which comprises a first concrete piece and a second concrete piece, a dovetail groove is formed in the bottom of the first concrete piece, a dovetail block matched with the dovetail groove is arranged on the top of the second concrete piece, and the first concrete piece is connected with the second concrete piece in a sliding mode through matching of the dovetail groove and the dovetail block. A pin key groove is formed between the first concrete part and the second concrete part, a pin key block is arranged in the pin key groove in a penetrating mode, and the penetrating direction of the pin key block is perpendicular to the sliding direction of the dovetail groove. The novel mortise and tenon concrete structure has the advantages of being short in construction time and reducing construction waste. 本实用新型涉及新型卯榫混凝土结构，包括第一混凝土件、第二混凝土件，所述第一混凝土件的底部开设有燕尾槽，所述第二混凝土件的顶部设有与燕尾槽配合的燕尾块，所述第一混凝土件通过燕尾槽、燕尾块配合与第二混凝土件滑动连接，所述第一混凝土件和第二混凝土件之间开设有销键槽，所述销键槽内穿设有