To provide a concrete curing structure installable easily and capable of efficiently curing concrete at low cost.
In this concrete curing structure 1, concrete curing bodies 2 are arranged continuously with each other in the axial direction of a tunnel. Each concrete curing body 2 is disposed along the arch-shaped wall surface 23a of a covering concrete 23, and formed by connecting a plurality of concrete curing units 3 to each other in the circumferential direction of the arch. The concrete curing unit 3 includes a frame 4 having joint pipes 8 at both upper and lower ends, respectively, and a curing sheet 9 formed of a foam cushioning member attached to the entire surface of the frame 4 in such a manner that a lap tolerance 9a extends from the lower end edge downward. A water retaining unit 10 formed of a water retaining pipe 12 and a nonwoven fabric 11 is attached to the curing sheet 9 at a predetermined height on the concrete wall surface 23a side.
COPYRIGHT: (C)2010,JPO&INPIT
NAKAGOME MASAKI
HIGUCHI MASANORI
OKADA RYUICHI
HIRAMA TAKASHI
| JPH10102774A | 1998-04-21 | |||
| JP2005090146A | 2005-04-07 |