Wooden connection structure for seismic resistance in pile foundations

A wooden connection structure for seismic resistance in pile foundations, comprising a base, a supporting pile and four seismic isolation frames;

• wherein
• the base comprises an inner base and a peripheral plate, the peripheral plate is sleeved on an outer peripheral surface of the inner base, a cross groove is arranged in a middle of a top surface of the inner base, an axial direction of the cross groove is vertically arranged, the cross groove comprises a central groove and four rectangular grooves, the four rectangular grooves are uniformly distributed in a circumferential direction, each of the four rectangular grooves is in communication with the central groove, a square groove is arranged in a centre of a bottom surface of the central groove, and an axial direction of the square groove is vertically arranged;
• the supporting pile comprises a connecting column, a supporting disc and a central square column, wherein the connecting column, the supporting disc and the central square column are successively connected from top to bottom, the connecting column is arranged in a middle of an upper surface of the supporting disc, and the central square column is arranged in a middle of a lower surface of the supporting disc;
• four abutment bosses are arranged on the lower surface of the supporting disc, the four abutment bosses are uniformly distributed in a circumferential direction of the supporting disc, positions of the four abutment bosses respectively correspond one-to-one with positions of the four rectangular grooves, and a size and a shape of each of the four abutment bosses are matched to a size and a shape of each of the four rectangular grooves in correspondence;
• a guide cylinder is provided on a lower surface of each of the four abutment bosses, and an axial direction of the guide cylinder is vertically arranged;
• each of the four seismic isolation frames comprises a wooden frame and a guide circular tube;
• the wooden frame is a mortise-and-tenon joint structure composed of multiple wood blocks, a middle of the wooden frame is provided with a central channel passing through, and the central channel is vertically arranged;
• an outer diameter of the guide circular tube is matched with an inner diameter of the central channel, and the guide circular tube is sleeved in the central channel;
• an inner diameter of the guide circular tube is matched with an outer diameter of the guide cylinder;
• the four seismic isolation frames are respectively sleeved in the four rectangular grooves, each side facade of each of the four rectangular grooves is in contact with each of the four seismic isolation frames, a top surface of each of the four seismic isolation frames is lower than a top surface of the inner base, a bottom of the guide circular tube is fixedly connected to a bottom of each of the four rectangular grooves;
• a lower part of the central square column is sleeved in the square groove, four side facades of the central square column are in contact with side facades of the four seismic isolation frames respectively, an outer peripheral surface of the central square column is spaced with a side wall of the central groove;
• the four abutment bosses are respectively sleeved in the four rectangular grooves, a lower side of each of the four abutment bosses is in contact with a top surface of the wooden frame, and lower parts of four guide cylinders are respectively sleeved in four guide circular tubes.