Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第VI部門

品質管理 (4)

Wed. Sep 4, 2019 10:25 AM - 11:55 AM VI-11 (幸町総合教育棟 多目的室4)

座長:齋藤 淳(安藤ハザマ)

[VI-454] Surface quality improvement measures of box concrete using paste type curing sheet

*川野 恭章1 (1. 西松建設株式会社)

Keywords:Roof & Culvert method, Paste type curing sheet, Warm moisturizing curing sheet, Surface quality

With the aim of widening the road and separating walkways, etc., the two-passage box culvert (W14.1m × H7.2m × L10.5m), which is an underpass, is installed directly under the train track, using the Roof & Culvert method, which is a non-cutting method. In the new construction work, in order to improve the durability of the concrete box, we adopted a paste-type curing sheet (simple cure) that is effective for improving the quality of the surface layer of the concrete. In this paper, we report the outline of the sheet, the construction situation in the field, and the verification result of the curing effect by the nondestructive test carried out after construction.

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