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RISImperfect Interface Effect on Creep Property of Hardened-Cement Pastes: Investigations from Nano to Micro Scales
Publisher: ASCE
Abstract: Prediction of the mechanical properties of cement-based materials across scales according to micromechanics-based homogenization is affected by many factors, which include the homogenization scheme, the mechanical property, ...
Closure to “Tensile Creep Behavior of Concrete Subject to Constant Restraint at Very Early Ages” by Ya Wei and Will Hansen
Publisher: American Society of Civil Engineers
Tensile Creep Behavior of Concrete Subject to Constant Restraint at Very Early Ages
Publisher: American Society of Civil Engineers
Abstract: Tensile stress develops in concrete when shrinkage deformations and restraints (internal or external) exist. Utilization of appropriate creep or relaxation functions is crucial for assessing stress and the associated ...
Application of X-Ray Micro-CT for Quantifying Degree of Hydration of Slag-Blended Cement Paste
Publisher: ASCE
Abstract: Quantifying the degree of hydration of mineral additives in a blended system has been a challenge in the concrete research community. This study attempted to calculate the degree of hydration of both clinker and ground ...
Drop-Weight Impact Resistance of Ultrahigh-Performance Concrete and the Corresponding Statistical Analysis
Publisher: ASCE
Abstract: An experimental and statistical study on the impact resistance of ultrahigh-performance concrete (UHPC) is presented. The impact resistance was evaluated by conducting the drop-weight impact test with a hammer of 10 kg ...
Effect of Aggregate Gradation and Morphology on Porous Asphalt Mixture Performance
Publisher: ASCE
Abstract: Previous studies have reported the effects of aggregate gradation and angularity on the pavement performance of hot asphalt mixtures, while little work has been done on the role of aggregate gradation and morphology related ...
Internal Curing by Porous Calcined Bauxite Aggregate in Ultrahigh-Performance Concrete
Publisher: ASCE
Abstract: Ultra-high performance concrete (UHPC) has more severe autogenous shrinkage than ordinary concrete, which may lead to increased cracking risks. Thus, a suitable and effective agent for internal curing (IC) of UHPC without ...
Development of a Method for Assessing Metrological Traceability in 3D Pavement Texture Measurements
Publisher: American Society of Civil Engineers
Abstract: Three-dimensional (3D) pavement texture measurement plays a significant role in helping engineers calculate pavement performance–related parameters, such as the international roughness index (IRI), texture depth (TD), and ...
Internal Curing Efficiency of Prewetted LWFAs on Concrete Humidity and Autogenous Shrinkage Development
Publisher: American Society of Civil Engineers
Abstract: Internal curing (IC) technology using prewetted lightweight fine aggregates (LWFAs) as additives has been proved an effective means for mitigating both autogenous shrinkage and early-age cracking under the sealed-cured ...
Numerical Evaluation of Moisture Warping and Stress in Concrete Pavement Slabs with Different Water-to-Cement Ratio and Thickness
Publisher: American Society of Civil Engineers
Abstract: For better performance evaluation, it is of significance to investigate the factors affecting moisture distribution in concrete pavement slabs. This study provides methodology on both experimental measurement and numerical ...