ACI 546.4R-20 (IN-LB, SI) PDF Download

ACI 546.4R-20 (IN-LB, SI) is a standard guide that offers guidelines and recommendations for jobsite quality control and quality assurance of cementitious packaged materials. The purpose of this guide is to ensure that the cementitious materials used in construction projects meet the required standards and specifications for quality and performance.

The standard emphasizes the importance of implementing effective quality control and quality assurance practices at the jobsite. It provides guidance on various aspects of the process, including material storage and handling, mixing and application methods, curing procedures, and testing requirements.

The guide highlights the significance of proper material storage, which involves storing the cementitious packaged materials in a controlled environment to prevent moisture ingress and maintain their integrity. It also provides recommendations for handling the materials, such as using appropriate equipment and techniques to avoid contamination or damage.

Furthermore, the standard outlines the steps for mixing and applying the cementitious materials accurately. It emphasizes the need for proper proportioning, thorough mixing, and adherence to recommended application techniques to achieve the desired performance and durability of the materials.

Additionally, the guide addresses the importance of curing the cementitious materials adequately to maximize their strength and durability. It provides recommendations for curing methods, duration, and moisture control to ensure optimal performance.

Lastly, the standard emphasizes the need for regular testing and inspection of the cementitious packaged materials to verify their quality and compliance with specified requirements. It provides guidance on various testing methods, sampling procedures, and acceptance criteria to ensure that the materials meet the desired standards.