BURIED BOX UNIT, BURIED BOX AND BURIED BOX FITTING BAR MATERIAL

摘要

PROBLEM TO BE SOLVED: To prevent the penetration of concrete when the concrete is placed, and to prevent sidewalls on the opening side of a buried box, etc., from deflecting and deforming inwards owing to an external pressure such as the pressure of concrete placing, by stretching bar materials and strongly pressing the end surface of the opening of the buried box against a mold frame, regardless of the magnitude of the wall thickness of the concrete and the height of the buried box.;SOLUTION: The buried box 2 which is buried in concrete and has an opening 5, and the bar materials 11 which are fitted to the buried box 2 and press the opening surface of the buried box 2 against the mold frame with the bar ends fitted to a steel frame 2 which forms a supporting skeleton of a concrete wall, are provided. The bar materials 11 are fitted to the opening 5 side of the sidewall 4 of the buried box 2 along the sidewall 4.;COPYRIGHT: (C)2002,JPO