Physical performance, durability, and carbon emissions of recycled cement concrete and fully recycled concrete

L Xu, J Wang, X Hu, B Ran, T Wu, X Zhou… - Construction and Building …, 2024 - Elsevier
This study introduces innovative concepts for closed-loop recycling waste concrete to
produce fully recycled concrete (FRC). Multiple test methods and characterization …

Investigations on micro-mechanical properties of the ITZs between recycled aggregates and recycled cement paste

L Xu, J Wang, R Huang, B Li, B Ran, X Hu - Construction and Building …, 2024 - Elsevier
The microstructural evolution and bonding mechanisms of interfacial transition zones (ITZs)
between different aggregate types (paste recycled aggregates (PRA), mortar recycled …

Effect of temperature and superplasticizer on hydration of C3S and carbonation products of CSH

X Hu, L Xu, M Li, J Wang, B Ran, R Huang… - … and Building Materials, 2024 - Elsevier
This study investigated the effect of different C 3 S hydration temperatures and the addition
of superplasticizer on the microstructure of CSH and the polymorphy of subsequent …

Ensemble machine learning models for compressive strength and elastic modulus of recycled brick aggregate concrete

J Yan, J Su, J Xu, L Lin, Y Yu - Materials Today Communications, 2024 - Elsevier
This study delivers an in-depth analysis of predicting the compressive strength and elastic
modulus of recycled brick aggregate concrete (RBAC). It assembles an extensive database …

Durability and sustainable assessment of fly ash-blended cement paste modified by MgO expansive additive

T Lv, J Zhang, C Li, L Xu, D Hou, S Hong… - Journal of Cleaner …, 2024 - Elsevier
The incorporation of fly ash (FA) and MgO expansive additive (MEA) is a frequent practice to
satisfy the functional prerequisites of temperature control and crack prevention for dam …

[HTML][HTML] A Review on Concrete Superplasticizers and Their Potential Applications for Enhancing the Performance of Thermally Activated Recycled Cement

R Huang, L Xu, Z Xu, Q Zhang, J Wang - Materials, 2024 - mdpi.com
With the rapid development of the construction industry worldwide, a large amount of waste
concrete is generated each year, which has caused serious environmental problems. As a …

Modification of recycled cement with phosphogypsum and ground granulated blast furnace slag

L Xu, J Wang, X Hu, B Ran, R Huang, H Tang… - … and Building Materials, 2024 - Elsevier
Unmodified thermal-activated recycled cement (RC) paste has unfavorable properties like
fast setting. This paper intends to modify RC by adding phosphogypsum (PG) and ground …

Engineered Blended Thermoactivated Recycled Cement: A Study on Reactivity, Water Demand, Strength-Porosity, and CO2 Emissions

M Zanovello, VM John, CE White… - … Sustainable Chemistry & …, 2024 - ACS Publications
Annually, 1 Gt of cement waste is produced, constituting one-fourth of recent cement
production and surpassing the availability of most supplementary cementitious materials …

Hydration behavior and chloride binding of seawater-mixed sintered sludge cement paste: Experimental and thermodynamic study

T Lv, J Zhang, L Xu, D Hou, WJ Long, B Dong - Construction and Building …, 2024 - Elsevier
Inspired by the easy chemical binding of chloride ions with aluminum, dredged sludge (DS)
has the potential to be used in cement to reduce the adverse effects of seawater mixing and …

MoO42−-LDH films for active protection of steel substrates by Electrodeposition–Hydrothermal method

Q Yang, W Liu, X Wang, B Dong, D Hou, F Xing… - Applied Surface …, 2024 - Elsevier
Direct growth of electrodeposited precursors into layered double hydroxide (LDH) films
loaded with rust-inhibiting anions on steel substrates was explored for the first time. Nitrate …