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    • 2. 发明专利
    • Construction method for concrete structure and concrete form for construction
    • 混凝土结构和混凝土结构施工方法
    • JPH11280184A
    • 1999-10-12
    • JP10042998
    • 1998-03-27
    • Taisei Corp大成建設株式会社
    • OTOMO TAKESHISHINDO TAKEFUMIYOKOI KENJIMATSUOKA YASUNORI
    • E04B1/80C04B40/00E04B2/86
    • PROBLEM TO BE SOLVED: To prevent cracking on the surface of a concrete structure at a low cost by using a concrete form made by forming a porous concrete layer on the surface of a water-stop board and then pouring concrete at the porous concrete layer side of this concrete form.
      SOLUTION: A concrete form 1 is constituted by forming a porous concrete layer 12 on one surface of a water-stop board such as a wood board or synthetic resin board to one united body. Here, the porous concrete used has mane pores, a low elasticity and a small thermal conductivity, and the thickness of the porous concrete layer 12 is sufficiently large for easing thermal transmission and propagation of cracking. For the water-stop board 11, a PIC slab (a permanent type frame with a high durability) or a precast slab may be used. After assembling this form 1 to a predetermined shape, structural concrete 2 constituting a concrete structure is placed at the side of porous concrete layer 12 of the form 1.
      COPYRIGHT: (C)1999,JPO
    • 要解决的问题:通过使用通过在止水板的表面上形成多孔混凝土层,然后在多孔混凝土层侧浇筑混凝土而形成的混凝土形式,以低成本来防止混凝土结构表面的开裂 的具体形式。 解决方案:混凝土模板1通过在诸如木板或合成树脂板的止水板的一个表面上形成多孔混凝土层12构成。 这里,所使用的多孔混凝土具有鬃毛孔,低弹性和小导热性,并且多孔混凝土层12的厚度足够大以缓解热传递和裂纹扩展。 对于止水板11,可以使用PIC板(具有高耐久性的永久型框架)或预制板。 在将该形式1组装成预定形状之后,将构成混凝土结构的结构混凝土2放置在形式1的多孔混凝土层12侧。