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Committee Mission: Develop and report information on mineral lightweight aggregates and structural lightweight concrete made with such aggregates.

Goals: 1) Revise and maintain current 213R-14 document; 2) Develop 213.ZR document on Guide for Selecting and Proportions for Structural Lightweight Concrete (formerly under ACI committee 211); 3) Pursue additional research of internal curing and lightweight aggregate concrete, present and publish results and implement technology transfer to codes and standards;4)Develop and deliver educational programs on internal curing and on all other aspects of design with use of lightweight aggregates and structural lightweight concrete; 5) Provide liaison with other ACI committees on lightweight aggregate concrete references in their documents.

Chair: Jeffrey Speck

TAC Contact: Michael Brown

Upcoming Open Meetings:
ACI Spring Convention 2019 - 3/26/2019 1:30 PM-3:30 PM - C-307B, Ville De Québec, QC Canada

Upcoming Convention Sessions:
MINI SESSION: New Research on Internal Curing
ACI Spring Convention 2019 - Ville De Québec, QC Canada

Measurement and Prediction of Early-Age Properties of High-Performance Concrete for Durability and Crack Resistance, Part 1 of 2
ACI Fall Convention 2019 - Cincinnati, OH

Measurement and Prediction of Early-Age Properties of High-Performance Concrete for Durability and Crack Resistance, Part 2 of 2
ACI Fall Convention 2019 - Cincinnati, OH

Documents Under Development:
• 213.XR: Guide for Selecting Proportions for Structural Lightweight Concrete
• 213.YT: Under what conditions do I want to use Internal Curing, and what are the benefits I can expect?