Experimental study of delayed ettringite formation under geothermal high-temperature environment

C Wang, Z Jin, B Pang, J Li, W Dong, R Chen - Journal of Building …, 2023 - Elsevier
The geothermal high-temperature environment will potentially damage engineering, which
is mainly reflected in the expansion cracking caused by delayed ettringite formation (DEF) …

[HTML][HTML] Energy storage potential of cementitious materials: Advances, challenges and future Directions

S Barbhuiya, BB Das, D Adak - Energy and Buildings, 2024 - Elsevier
This review paper investigates the use of cementitious materials for energy storage,
emphasizing their role in advancing sustainable development. It starts with a comprehensive …

Development of accelerated test methods by electromigration to assess the risk of internal sulfate attack in heat-cured mortar and concrete

VH Nguyen, N Leklou, P Mounanga - Construction and Building Materials, 2024 - Elsevier
Internal sulfate attack induces the formation of delayed ettringite (DEF) in hardened cement-
based materials. DEF is a complex phenomenon, detrimental to the durability of concrete …

Using freshwater sludge and carbide sludge to produce expansive agents for civil engineering applications: A feasibility study

B Xu, J Tan, M Yang, Y Yi - Journal of Water Process Engineering, 2024 - Elsevier
Freshwater sludge (FS), a by-product of drinking water treatment, is generated in significant
volumes worldwide yet remains largely underutilized. Primarily, it is either directly disposed …

Microstructural analysis of concrete ties with granite and carbonate aggregates after 10 years on Brazil railroads

RA dos Reis Ferreira, LM Perin, EBC Costa… - Engineering Failure …, 2023 - Elsevier
Some concrete ties have failed prematurely around the world, influencing the structural
integrity, service life, and safety of users. Therefore, this study aims to identify the …

[HTML][HTML] Simulation of moisture variations in concrete during prolonged alternate wetting and drying cycles using 3D discrete network model

D Waghmare, D Ren, P Jiradilok, K Nagai - Case Studies in Construction …, 2023 - Elsevier
The precise prediction of moisture variations within concrete is of great significance because
various deterioration phenomena spanning corrosion to carbonation are induced by mass …

Numerical Study of Potential Delayed Ettringite Formation in Cemented Nuclear Wasteforms

A Danfour, J Perko, S Seetharam, QT Phung… - Sustainability, 2023 - mdpi.com
This paper presents a numerical study to investigate delayed ettringite formation (DEF) that
may pose a long-term durability risk by altering the microstructure with consequent swelling …

The Stabilization Efficiency and Mechanism towards Chromium Residue by Microwave and FeSO4 Treatment.

Z Minhui, Z Fengjiao, GUO Feng… - Environmental …, 2024 - search.ebscohost.com
The" returning to yellow" phenomenon usually occurs in treated chromium residue, which is
related to the re-release of Cr (VI) in undissolved Cr (VI)-bearing minerals. In this regard, the …

Estudo da aderência aço-concreto sob a influência da reação expansiva no concreto produzido com areia de minério de ferro

SH Hounga - 2024 - repositorio.ufu.br
RESUMO A deterioração de estruturas de concreto armado devido as reações expansivas
podem ser numerosas e variadas. Este estudo analisou experimentalmente o …

Estudo da energia de fraturamento em concretos com reação expansiva

LS Leite - 2023 - repositorio.ufu.br
RESUMO A durabilidade e vida útil das estruturas de concreto apresentam importância
técnica, econômica, ambiental e de segurança. Dentre os diversos tipos de manifestações …