AS 3600:2018 Sup 1:2022提供了注释，通过概述本标准要求的背景参考材料，说明特殊要求的来源，帮助解释AS 3600:2018的规定，讨论自上一版标准发布以来，由于施工实践和理论发生的变化而导致的与先前实践的偏离，并解释某些条款的应用。

AS 3600:2018 Sup 1:2022 provides commentary to assist in the interpretation of the provisions of AS 3600:2018 by outlining background reference material to the requirements in the Standard, indicating the origin of particular requirements, discussing departures from previous practice due to changes that have occurred in construction practice and theory since the previous edition of the Standard was published, and explaining the application of certain clauses.