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Formwork pressure of self consolidating concrete

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When planning for constructability, don’t forget to plan for curing.This course will be useful to all participants in concrete construction projects.The goal of this session is to present the current state of the art in research and practice on the use of FRP systems to strengthen existing masonry structures, and to reinforce new masonry construction.This session will review the current methodologies for fire resistance design, including the ACI/TMS 216.1 requirements for determining fire resistance of concrete and masonry assemblies.Presentations relate to the FRP strengthening of existing masonry elements, and the use of FRP bars as internal reinforcement in new masonry construction.Current developments in design guides are presented, including international coverage of research and application.The objective of the proposed session is to present the challenges and solutions using more rational reliability approaches in evaluating concrete structures.

Although there are some codes and guidelines to help engineers to obtain this information, the acceptable criterion is the target reliability index, which is rarely used or defined in current codes.The use of alternative cementitious materials (ACMs) in construction is a developing technology.Currently, specifications and design codes are based on the use of portland cement as the primary binding ingredient.Looking forward, rational design approaches will be discussed, as well as the current knowledge gaps that must be addressed before such methodologies could be standardized.A review of current research in fire performance of concrete and masonry will also be reviewed, especially as that research relates to promoting rational design methods.The principal objectives of the existing standard test methods for evaluating alkali-aggregate reactivity (AAR) in mortars and concrete is to identify the susceptibility of aggregates to undergoing alkali-silica reaction (ASR), to identify the effectiveness of supplementary cementitious materials (SCMs) in mitigating ASR, and quantify the suitable dosage level of SCMs in the concrete mixtures.