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62 APPLICATION & CONSTRUCTION AAC WORLDWIDE %u2022 2.2026APPLICATION & CONSTRUCTIONSystematic approach for assessing the anchorage capacityCalculation and design of AAC parapet anchorageAutoclaved aerated concrete (AAC) has become increasingly prominent in modern construction, driven by its strong sustainability credentials, low material weight, and excellent thermal performance. Although AAC is widely used in fa%u00e7ade and building-envelope applications, its structural design framework is far less developed than that of reinforced concrete. Existing literature offers only limited guidance on anchoring AAC components, as AAC behaves fundamentally differently from traditional materials such as reinforced concrete. In addition, AAC components offer a practical alternative to conventional reinforced-concrete assemblies, enabling shorter construction times and reducing on-site labor. This study introduces a systematic approach for assessing the anchorage capacity of AAC elements used in parapet structures. The contribution aims to serve both as a reference for practicing engineers and as a basis for future research on the safe and efficient application of AAC in parapet construction.Autoclaved Aerated Concrete (AAC) parapet panels, represent a modern and efficient solution for multi-story residential or industrial constructions. These large-format, reinforced wall elements are specifically designed to meet the demands of contemporary building practices, offering both structural reliability and construction efficiency. Their high dimensional accuracy and optimized format enable AAC parapet panels to be installed rapidly and cost-effectively. This not only reduces on-site labour and scaffolding time but also minimizes storage and logistics costs. With installation rates of up to 100 linear meters per day, these elements significantly accelerate construction workflows [1].AAC parapet panels provide a sustainable alternative to traditional reinforced concrete solutions, particularly in flat roof applications and extended parapet zones. Their thermal bridge optimization offers a clear advantage over conventional materials like reinforced concrete, while their fire resistance rating of EI 90 ensures safety in compliance with fire protection standards [1].To construct the parapet, large-format reinforced AAC elements are placed on the roof in a mortar bed. At the ends of the parapet elements, recesses are provided to accommodate the connection reinforcement extending from the slab, which is subsequently embedded with structural bonding by filling the recesses with concrete grout.A critical aspect of AAC fa%u00e7ade practice is the anchorage under dynamic actions. Proper anchorage is essential to ensure the structural stability of the system, particularly under wind loading. The elements are designed to withstand typical wind actions across various wind load zones, providing sufficient load-bearing capacity under both pressure and suction forces. This study focuses on the structural analysis and design of the anchorage of AAC parapet elements in building construction.Wind load and interface actionsThe wind zones in Germany are divided into four zones, as shown in Fig. 1. The map of Germany and the fundamental values of the basic wind velocity vb,0 shall be determined according to the wind zone specified in Table 1.In this work, the wind load from Zone 2 has been applied to cover the requirements of the other zones. Additionally, we propose using a whipping effect factor for all projects up to a height of 30 meters to achieve a standardized structural design applicable to all zones.Kamran Farid, Xella Deutschland GmbH, Technical Office, Germany Tom Lahmer, Institute of Structural Mechanics, Bauhaus-Universit%u00e4t Weimar, Germany