Deteriorate Forms and Defective Events on Concrete Surface Damaged by De-Icing Chemical Attacks

A wide variety of deterioration forms and defective events are found on concrete surfaces damaged by de-icing chemicals. In this study, two popular de-icing chemicals, calcium chloride and calcium magnesium acetate (CMA) are examined in the immersion test. Effects by calcium chloride solution can be clearly observed as an axial edge cracking. And the cracking progresses at the interface between cement matrix and coarse aggregates. In particular, it is by comparing specimens with and without coarse aggregates. In the other case with de-icing chemical, CMA solution, peeling and spall phenomenon is clearly observed on the mortar surface. To evaluate chemical damage quantitatively, strength properties are examined for the specimens produced with various experimental conditions. Those experimental results are analyzed by a category score method and neural network.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/9780415593168
• Corporate Authors:

  CRC Press/Balkema

  P.O. Box 447
  2300 AK Leiden,   Netherlands 
• Authors:
  • Takashina, Y
• Conference:
  • Sixth International Conference on Concrete under Severe Conditions: Environment and Loading
  • Location: Merida Yucatan, Mexico
  • Date: 2010-6-7 to 2010-6-9
• Publication Date: 2010-7-5

Language

• English

Media Info

• Media Type: Digital/other
• Features: Figures; Photos; References; Tables;
• Pagination: pp 351-358
• Monograph Title: Concrete under Severe Conditions: Environment and Loading. Proceedings of the 6th International Conference on Concrete Under Severe Conditions (CONSEC'10), Merida, Yucatan, Mexico, 7-9 June 2010

Subject/Index Terms

• TRT Terms: Calcium chloride; Calcium magnesium acetate; Concrete structures; Cracking; Deicing chemicals; Frost damage; Structural deterioration and defects
• Subject Areas: Bridges and other structures; Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 01373867
• Record Type: Publication
• ISBN: 9780415593168
• Files: TRIS
• Created Date: Jun 26 2012 9:20AM