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Water permeable formwork for concrete

机译:混凝土的透水模板

摘要

PROBLEM TO BE SOLVED: To provide a water-permeable concrete mold that enhances concrete quality, reduces air bubbles on a concrete surface and helps improve appearance of the concrete by draining excess water in raw concrete, the concrete mold being compatible with an increase in size and a complicated form, as well as with processing work at a site as with a mold made of urethane-coated plywood, even when a water permeable layer is formed.SOLUTION: A mold 1 is capable of draining excess water and air bubbles contained in cast concrete outside of the mold 1, and combines a plate-form mold body 10 and a board-form water-permeable layer 2 placed on a concrete casting surface of the mold body 10. The mold body 10 has a plurality of drain holes 11 formed that pierce through front and rear surfaces. The board-form water-permeable layer 2 comprises a porous water-permeable board formed by a matrix fiber having a three-dimensional entanglement structure of short fibers and a binding material fixing the short fibers constituting the matrix fiber to each other.SELECTED DRAWING: Figure 1
机译:要解决的问题:提供一种可透水的混凝土模具,以提高混凝土质量,减少混凝土表面上的气泡,并通过排出未加工的混凝土中的多余水分来帮助改善混凝土的外观,该混凝土模具可适应尺寸的增加解决方案:模具1能够排出其中所含的多余水和气泡在模具1的外部浇铸混凝土,并结合板状模具主体10和置于模具主体10的混凝土浇铸表面上的板状透水层2。模具主体10具有多个排水孔11形成贯穿前后表面的形状。板状透水层2包括由具有短纤维的三维缠结结构的基质纤维和将构成基质纤维的短纤维彼此固定的粘结材料形成的多孔透水板。图1

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