Cast-in-place reinforced concrete or prestressed reinforced concrete hollow slab

Cast-in-place reinforced concrete or prestressed reinforced concrete hollow slab

  • CN 101,368,414 A
  • Filed: 09/02/2004
  • Published: 02/18/2009
  • Est. Priority Date: 09/02/2004
  • Status: Active Application
First Claim
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1. cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab, comprise steel bar concrete, hollow matrix (1), spike (2), hollow matrix (1) is wrapped up in and is contained in the cast-in-situ reinforced concrete, spike (2) is arranged on the bottom surface outer wall (3) of hollow matrix (1), outer wall (3) surrounds the hollow matrix (1) that is formed with cavity (4), it is characterized in that described at least one outer wall (3) is the overlapping layers outer wall, preformed layer in the overlapping layers (5) is arranged on the internal layer of outer wall (3), the skin of outer wall (3) is for now smearing layer (6), the preformed layer (5) of outer wall (3) is provided with reinforce (10) or/and now smear layer in (6), no reinforcement (17) in the cavity (4).

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