Drainage groove unit, construction method of drainage groove unit, and replacement method of drain groove body

摘要

PROBLEM TO BE SOLVED: To provide the drain ditch unit that can shorten a construction period by shortening a new installation work of a drain ditch and shortening a replacement work of the drain ditch after installation.;SOLUTION: A drain ditch unit (1) comprises a drain ditch body (10), a stay (30), a buried member (40), and an attaching/detaching member (50). The drain ditch body has a water channel portion (11) through which water flows, and a side wall portion (13) provided on an end portion side of a road with respect to the water channel portion, the stay is provided at the end portion side of the road with respect to the side wall portion, is connected to a floor slab (95) through connection members (93, 94) to define a positional relationship of the drain ditch body to the floor slab, and is buried in concrete (C) cast on the end portion side of the road with respect to the side wall portion, the buried member is provided on the end side of the road with respect to the side wall portion, and is buried in concrete to be fixed, and the attaching/detaching member is provided on a water channel portion side with respect to the side wall portion, is connected attachably/detachably to the buried member, and fixes attachably/detachably the stay and the buried member to the drain ditch body.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT