JOINT UNIT OF FLEXIBLE HUME PIPE, MANUFACTURING METHOD FOR FLEXIBLE HUME PIPE MAKING USE OF THE JOINT UNIT, JOINT UNIT OF FLEXIBLE BOX CULVERT AND MANUFACTURING METHOD FOR FLEXIBLE BOX CULVERT MAKING USE OF THE JOINT UNIT

摘要

PROBLEM TO BE SOLVED: To realize a flexible Hume pipe having sufficient cut-off efficiency/ earthquake resistance, bending performance as a joint and a box culvert.;SOLUTION: A cushion material 32 is adhered to the other wall of a partition wall 31 of an outside cylinder collar 3 with a T-shaped section erecting the partition wall 31 at right angles to the central inside in the direction of the axis with approximately the same outside diameter as that of a concrete section 11, and an end plate 41 having the same thickness or a slightly smaller width of the concrete section 11 is provided at a right angle to a joint section 14 through the cushion material 32. An inside cylinder 4 with a diameter smaller than an inside diameter of the outside cylinder collar 3 arranging one or a plurality of sealing compounds 33 to the outer circumferential surface is placed. A steel-made outside cylinder 5 with approximately the same outside diameter as that of the outside cylinder collar 3 is placed to the other end section 42 of the inside cylinder 4 from the other end section 3a of the outside cylinder collar 3 at an interval of a predetermined distance.;COPYRIGHT: (C)2004,JPO