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Microcrack Detection in Thermally Damaged Concrete Based on Broadband Frequency Coupling of Nonlinear Ultrasonic Modulation
Publisher: ASCE
Abstract: The initiation and development of microcracks (with width generally less than 100–150 μm) introduced by heating or fire plays a critical role in the stability and durability of concrete structures, especially for large ...
Effects of Calcium Sulfate on Performances of CSA Clinker-Premixed Cl− System: Chloride Binding Analysis
Publisher: ASCE
Abstract: Calcium sulfoaluminate cement (CSA) has excellent chloride (Cl−) binding capacity, which is significantly influenced by the existence of calcium sulfate within mixes. However, impacts of dosage and type of the calcium ...
Binding Mechanism of CSA Cement on Premixed Cl− and Its Governing Parameters
Publisher: ASCE
Abstract: Calcium sulfoaluminate (CSA) cement showed a good binding capacity on the external Cl− transported into concretes from its surrounding environment. However, it is unclear whether the same binding mechanism can still apply ...