FARMINGTON HILLS, MICH. — The American Concrete Institute (ACI) is currently seeking submissions for sessions taking place during the ACI Spring 2011 Convention in Tampa, Fla., April 3-7, 2011.

ACI Committee 130, Sustainability of Concrete, seeks submissions for the technical session “Green Building and ACI.” Participants are invited to submit presentations related to the efforts of ACI and related organizations to educate stakeholders and members about green building and the topic of sustainability. Abstracts of approximately 100 words, along with presentation title, author name(s), and contact information should be sent to Larry Rowland at lrowland@lehighcement.com no later than Oct. 5, 2010.

ACI-ASCE Committee 441, Reinforced Concrete Columns, seeks papers for the technical session “Performance of Reinforced Concrete Columns under Extreme Loading.” Participants are invited to submit presentations related to issues pertaining to reinforced concrete columns, including experimental testing under extreme loading, modeling using various techniques, construction using different types of concrete, and rehabilitation. Abstracts of up to 300 words, along with presentation title, author name(s), and contact information should be sent to Aly Said at asaid@egr.unlv.edu or Wassim Ghannoum at ghannoum@mail.utexas.edu no later than Oct. 1, 2010.

More information about current calls for papers can be found by visiting www.CallforPapers.concrete.org.