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RISEffect of Internal Curing with Superabsorbent Polymers on the Compressive Strength and Shrinkage of Concrete with Natural Volcanic Ash
Publisher: ASCE
Abstract: The abundant natural volcanic ash (NVA) in East Africa is a prospective supplementary cementitious material that may be used to produce green and economical railway concrete. To mitigate the shrinkage of concrete with NVA, ...
Role of Limestone Powder in Early-Age Cement Paste Considering Fineness Effects
Publisher: ASCE
Abstract: This paper investigates the influence of limestone powder (LS) fineness on the early-age properties of portland cement paste. Blended pastes with LS were prepared based on volumetric ratio and their fresh properties, ...
Prediction of Compressive Strength of Concrete with Manufactured Sand by Ensemble Classification and Regression Tree Method
Publisher: ASCE
Abstract: Manufactured sand (MS) has been increasingly used as fine aggregate for concrete. This paper proposes a prediction of the compressive strength of concrete with manufactured sand (MS-concrete) based on an ensemble classification ...
Interactive Effect of Mechanical Fatigue Load and the Fatigue Effect of Freeze-Thaw on Combined Damage of Concrete
Publisher: American Society of Civil Engineers
Abstract: The combined attack of (1) mechanical fatigue load, and (2) freeze-thaw, can lead to premature deterioration of concrete materials in cold climate regions. The interactive effect of these two loads on the damage of concrete ...