Document Archives

Corrosion of Steel in Lightweight Concrete – Results From an Outdoor Exposure Test Program

• ID:

  1286

• ESCSI:

  4610.008

• Author:

  Hergenroeder, M.

• Publication Name:

  Betonwerk Fertigteil Tech.

• Type of Publication:

  Journal

• Publisher:

• Dated:

  1986

• Issue/Volume:

  November, Vol. 52, No. 11

• Other ID:

• Page(s):

  725-730

• Reference List:

  Y

• Abstract:

  Following an 11-year outdoor exposure period of cracked reinforced-concrete beams of lightweight and normalweight concrete, a decisive reduction in strength properties of reinforcement due to corrosion was not detected on any of the test specimens’ variants. The experimental results in respect of carbonation depth, corrosion frequency and corrosion intensity were less favorable for lightweight concrete than concrete L1 (Liapor light sand and coarse aggregates), but also to lightweight concrete L2 (Berwilit fine and coarse aggregates) and, in a lesser degree, to lightweight concrete L3 (natural sand and Liapor coarse aggregates). In addition thereto, about twice the number of cracks occurred on beams made of lightweight concrete L1 than on those made of normalweight concrete, as a consequence the number of corrosion points was twice as high. In German and English.