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A platform for research: civil engineering, architecture and urbanism
FINISH MANAGEMENT METHOD FOR CONCRETE FLOOR SURFACE
To measure proper timing for executing direct finishing of a concrete floor surface.SOLUTION: Concrete is placed at the site, and the same concrete as the concrete is placed to prepare a test piece. A coarse aggregate in the test piece is sank deeper than 5 mm from the surface of the concrete. When a penetration resistance value becomes 2 N/mmwhen a penetration depth of a penetration needle of a proctor penetration testing machine is 5 mm in the test piece, a concrete floor placed at the site is directly finished.SELECTED DRAWING: Figure 2
【課題】コンクリート床面の直仕上げを実行する適切なタイミングを計測できるようにする。【解決手段】現場にコンクリートを打設するとともに、そのコンクリートと同じコンクリートを打設して供試体を作成し、供試体内の粗骨材をコンクリート表面から５ｍｍよりも深く沈下させ、供試体においてプロクタ貫入試験機の貫入針の貫入深さが５ｍｍのときの貫入抵抗値が２Ｎ／ｍｍ２になったときに、現場に打設したコンクリート床面の直仕上げを実行するようにする。【選択図】図２
FINISH MANAGEMENT METHOD FOR CONCRETE FLOOR SURFACE
To measure proper timing for executing direct finishing of a concrete floor surface.SOLUTION: Concrete is placed at the site, and the same concrete as the concrete is placed to prepare a test piece. A coarse aggregate in the test piece is sank deeper than 5 mm from the surface of the concrete. When a penetration resistance value becomes 2 N/mmwhen a penetration depth of a penetration needle of a proctor penetration testing machine is 5 mm in the test piece, a concrete floor placed at the site is directly finished.SELECTED DRAWING: Figure 2
【課題】コンクリート床面の直仕上げを実行する適切なタイミングを計測できるようにする。【解決手段】現場にコンクリートを打設するとともに、そのコンクリートと同じコンクリートを打設して供試体を作成し、供試体内の粗骨材をコンクリート表面から５ｍｍよりも深く沈下させ、供試体においてプロクタ貫入試験機の貫入針の貫入深さが５ｍｍのときの貫入抵抗値が２Ｎ／ｍｍ２になったときに、現場に打設したコンクリート床面の直仕上げを実行するようにする。【選択図】図２
FINISH MANAGEMENT METHOD FOR CONCRETE FLOOR SURFACE
コンクリート床面の仕上げ管理方法
ITO ATSUSHI (author) / KONO MASANORI (author) / NAKAMURA YUSUKE (author)
2020-04-16
Patent
Electronic Resource
Japanese
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