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3D-printable engineered cementitious composites (3DP-ECC): Fresh and hardened properties

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 143 ()

3D printing (3DP) is an emerging digital construction method for concrete materials. A major impediment to efficient 3D concrete printing (3DCP) is th......

Sequestration and release of nitrite and nitrate in alkali-activated slag: A route toward smart corrosion control

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 143 ()

Intercalating the corrosion inhibitive ions in hydmtalcite is a promising approach to improve the long-term efficiency of inhibitors in corrosion prot......

Effect of ZnO on the whiteness of white Portland cement clinker

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 143 ()

The addition of ZnO to significantly improve the Hunter whiteness of white Portland cement (WPC) clinkers is introduced in this paper. The effects of ......

Multi-scale investigation on mechanical behavior and microstructural alteration of C-S-H in carbonated Alite paste

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 144 ()

Carbonation treatment is a promising option to enhance recycled concrete aggregate (RCA) quality and eventually improve concrete performance. This stu......

Prehydration of calcium sulfoaluminate (CSA) clinker at different relative humidities

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 144 ()

The use of CSA cement in practice has been hindered by its unstable performance and short shelf-life caused by the prehydration of CSA clinker. In thi......

Effect of PCEs with different structures on hydration and properties of cementitious materials with low water-to-binder ratio

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 142 ()

Polycarboxylate ethers (PCEs) with different structures and densities of anchor groups in the backbone were synthesized and characterized. The surface......

On the moisture migration of concrete subject to high temperature with different heating rates

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 146 ()

A better understanding of moisture migration in concrete at high temperature can play an important role to improve the fire-resistance and radiation-s......

Interlayer reinforcement of 3D printed concrete by the in-process deposition of U-nails

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 148 ()

3D concrete printing has tremendous potential for construction manufacturing; however, weak interface bonding between adjacent layers remains a well-k......

Quantifying the anomalous water absorption behavior of cement mortar in view of its physical sensitivity to water

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 143 ()

The one-dimensional water absorption into cement-based materials, possibly the simplest case of unsaturated water flow playing a fundamental role in p......

Formation, structure, and thermal stability evolution of ternesite based on a single-stage sintering process

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 147 ()

Ternesite was prepared via a single-stage solid-state reaction from stoichiometric quantities of the CaCO3, SiO2 and CaSO4.2H2O precursors. In this pa......

Combined effect of NaAlO2 and NaOH on the early age hydration of Portland cement with a high concentration of borate solution

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 144 ()

The early age hydration of ordinary Portland cement in 5 M borate solution, with or without the addition of NaAlO2 and/or NaOH, was investigated. Hydr......

Development and characteristics of ultra high-performance lightweight cementitious composites (UHP-LCCs)

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 145 ()

High strength and light weight are two recent opposite development trends of concrete. This study proposed a design concept of an ultra high-performan......

Unraveling disadhesion mechanism of epoxy/CSH interface under aggressive conditions

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 146 ()

Almost all FRP-reinforced concrete exposed to the marine environment are susceptible to durability deficiencies due to failure of the FRP/epoxy/concre......

Mechanisms of internal curing water release from retentive and non-retentive superabsorbent polymers in cement paste

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 147 ()

This paper examines the mechanisms of desorption within cement pastes for superabsorbent polymers (SAP) with different sorption kinetics: retentive an......

Electromagnetic wave absorption of multifunctional cementitious composites incorporating polyvinyl alcohol (PVA) fibers and fly ash: Effects of microstructure and hydration

期刊: CEMENT AND CONCRETE RESEARCH, 2021; 143 ()

This paper devises a novel method for the adjustment of the pore structure and the hydration of cement to improve the electromagnetic wave absorption ......

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