Connecting structure of reinforced concrete swinging column and reinforced concrete foundation

Abstract

The invention discloses a connecting structure of a reinforced concrete swinging column and a reinforced concrete foundation. The connection structure comprises the reinforced concrete foundation, a reinforced concrete abutment and the reinforced concrete column. A first steel plate is pre-buried at the bottom of the reinforced concrete column, and a second steel plate is pre-buried at the top of the reinforced concrete abutment; a stiffening rib plate is installed on the bottom surface of the first steel plate; and horizontal limiting springs are installed between the stiffening rib plate and the second steel plate. Screw rods are pre-buried on the reinforced concrete foundation; a nut is installed on the portion, located above the first steel plate, of each screw rod; an upper portion steel plate is fixed to the bottom surface of each nut; a perpendicular spring is installed below each upper portion steel plate; the upper end of each perpendicular spring is fixed to the corresponding upper portion steel plate below the corresponding nut; and the lower ends of the perpendicular springs are welded to the first steel plate. According to the connecting structure of the reinforced concrete swinging column and the reinforced concrete foundation, the structure is simple, cost is low, construction is convenient, a better self-restoring function is achieved, subsequent maintaining and reinforcing are convenient, and repairing after an earthquake is convenient.

Description

technical field [0001] The invention relates to an anti-seismic structure of civil engineering, in particular to a connection structure between a reinforced concrete swing column and a foundation. Background technique [0002] The traditional anti-seismic concept generally enhances the anti-seismic capability of the structure by increasing the stiffness, strength and ductility of the structure, but this approach usually leads to serious damage to the structure after the earthquake and difficult repairs. In recent years, rocking structural systems have become one of the important research directions in the field of earthquake engineering because they can significantly reduce the post-earthquake damage of structures. At present, there are various implementation forms such as swing column system, swing wall system, combination of swing structure and energy dissipation and shock absorbing device. [0003] The so-called swing column system, for frame structures, can relax the co...

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Problems solved by technology

[0004] The current swing column system has the following problems: 1. At present, the self-resetting function of the swing column is mainly provided by prestressed unbonded steel strands, which is not only difficult to construct, but also difficult to guarantee the construction quality; Reliable connection cannot guarantee the lateral stiffness of the swing column, which affects normal use; 3. It is difficult to repair after the earthquake

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