COLLECTIVE JOINT, PIPE STRUCTURE AND CONSTRUCTION METHOD FOR COLLECTIVE PIPE

摘要

To provide a collective joint with improved sound shielding property.SOLUTION: A collective joint 20 comprises: an upper joint 21 having an upper pipe connection part 28 and a horizontal pipe connection part 29; a lower joint 22 having the lower pipe connection part 56 and in which the upper joint 21 is arranged in an upper end part; a sealing member 23 that connects the upper joint 21 and the lower joint 22; and a sound insulation cover 26 that covers at least one of the upper joint 21 and the lower joint 22.SELECTED DRAWING: Figure 1