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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 ACI PRC-213, "Ligthtweight-Aggregate Concrete—Guide"; 2) Develop 213.Z document, "Selecting and Proportions for Structural Lightweight Concrete—Guide" (formerly under ACI committee 211); 3) Pursue additional research of internal curing and lightweight aggregate concrete, and 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: STEVEN MALOOF

TAC Contact: Anton Schindler

Published Committee Documents:
• ACI PRC-213-14(23) Guide for Structural Lightweight-Aggregate Concrete Reapproved 2023
• ACI PRC-308-213-13(22) Report on Internally Cured Concrete Using Prewetted Absorptive Lightweight Aggregate (Reapproved 2022)

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