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Proceedings of the 75th RILEM Annual Week 2021
This volume gathers the latest advances, innovations and applications in the field of sustainable construction materials and structures, as presented by leading international researchers and engineers at the 75th RILEM Annual Week (75RW 2021), held in Merida, Mexico on August 29 – September 3, 2021. It covers topics such as supplementary cementitious materials, durability and Life Cycle assessment in urban and marine conditions, additive manufacturing of concrete in construction, structural performance and design, non-Portland cements and Alkali activated cementitious materials and eco-concrete, cultural heritage, non-destructive testing techniques, bituminous materials, and construction materials (polymers, timber, bamboo, recycling and masonry). The contributions, which were selected through a rigorous international peer-review process, share exciting ideas that will spur novel research directions and foster new multidisciplinary collaborations.
Advances in Soft Computing. MICAI 2025 Posters Track
This volume constitutes the posters track of the 24th Mexican International Conference on Artificial Intelligence, MICAI 2025, held in Guanajuato, Mexico in November 3–7, 2025. The 24 full papers presented in these proceedings were carefully reviewed and selected from 119 submissions. The papers presented are organized in the following topical sections: – Applications – Machine Learning – Natural Language Processing – Neural Networks
Application of Super Absorbent Polymers (SAP) in Concrete Construction
This is the state-of-the-art report prepared by the RILEM TC “Application of Super Absorbent Polymers (SAP) in concrete construction”. It gives a comprehensive overview of the properties of SAP, specific water absorption and desorption behaviour of SAP in fresh and hardening concrete, effects of the SAP addition on rheological properties of fresh concrete, changes of cement paste microstructure and mechanical properties of concrete. Furthermore, the key advantages of using SAP are described in detail: the ability of this material to act as an internal curing agent to mitigate autogenous shrinkage of high-performance concrete, the possibility to use SAP as an alternative to air-entrainment agents in order to increase the frost resistance of concrete, and finally, the benefit of steering the rheology of fresh cement-based materials. The final chapter describes the first existing and numerous prospective applications for this new concrete additive.
Development and Implementation of Lightweight Concrete Mixes for KDOT Bridge Applications
As of 2005, 23% of the bridges in the Kansas infrastructure are classified as structurally deficient or functionally obsolete according to the ASCE Infrastructure Report Card (ASCE, 2008). One alternative to replacing the entire bridge structure is replacing only the superstructure with lightweight concrete. This option is more economical for city, county, and state governments alike. Replacing the superstructure with lightweight concrete can oftentimes allow the bridge rating to be upgraded to higher load capacities or higher traffic volumes. Furthermore, lightweight concrete can be used initially in a bridge deck to provide reduced weight and a lower modulus of elasticity, therefore lower ...
