| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a ground surface groove cover that prevents falling-off from a support part, by restraining its deformation, even if large loaded weight acts on the cover, while being easily constructible by manpower.SOLUTION: A ground surface groove cover is extended by placing both end parts on both-side upper parts of a pit, by providing lightening holes 3 opening on its both-end surfaces in parallel in a cover body 1 with FRP as a material, and a cap 2 is put on both-end surfaces of the cover body 1, and an object obtained by juxtaposing and installing solid spacers 7 having no void inside on a reverse surface of an end plate 6, is used as the cap 2, and the reverse surface of the end plate 6 is run along the end surface of the cover body 1, and the spacer 7 is fitted in the lightening hole 3, and is inserted into the end part of the cover body 1, and both-end parts of the cover body 1, on which a compressive load acts, are reinforced by the spacer 7. This cover is lightweight and excellent in strength, and even if the large loaded weight caused by passing of a truck acts, deformation is restrained, and the falling-off from a support part of the ground surface groove is prevented.</p> |
