Indirect estimation of resilient modulus (Mr) of subgrade soil: Gene expression programming vs multi expression programming

L Khawaja, MF Javed, U Asif, L Alkhattabi, B Ahmed… - Structures, 2024 - Elsevier
Accurate prediction of resilient modulus (MR) in compacted subgrade soil is crucial for
planning secure and environmentally friendly flexible pavement systems. This research …

Leaching assessment of cemented bauxite tailings through wetting and drying cycles of durability test

GJ Bruschi, CP Dos Santos, WMK Levandoski… - … science and pollution …, 2022 - Springer
Disposal of mine tailings can cause negative environmental effects by releasing
contaminants to surface and underground water. Alkali activation is a promising technique …

Rice husk ash as an alternative soluble silica source for alkali-activated metakaolin systems applied to recycled asphalt pavement stabilization

DT Pelissaro, GJ Bruschi, EP Korf… - Transportation Geotechnics, 2023 - Elsevier
Alkali-activated binders have been shown as a viable alternative do ordinary Portland
cement. However, the development of lower carbon emission activators for this process is …

[HTML][HTML] Fiber-reinforcement effect on the mechanical behavior of reclaimed asphalt pavement–powdered rock–Portland cement mixtures

E Pasche, GJ Bruschi, LP Specht, FTS Aragão… - Transportation …, 2022 - Elsevier
The milling of asphalt pavements has been extensively applied as a restoration technique,
however, a large quantity of reclaimed asphalt pavement (RAP) waste is generated during …

Seepage characteristics in unsaturated dispersive soil considering soil salinity and density impacts: Experimental and numerical combined study

Y Han, Q Wang, J Liu, X Li - Journal of Hydrology, 2022 - Elsevier
Seepage in dispersive soils has contributed to inducing severe damage to hydraulic
structures worldwide, whereas its targeted quantitative and refined characterizations have …

Alkali-activated system of carbide lime and rice husk for granular soil stabilisation

LC Queiróz, LLS Batista, LMP Souza… - Proceedings of the …, 2022 - icevirtuallibrary.com
This study investigated the utilisation of an alkali-activated system to stabilise a granular soil.
Rice husk ash (RHA) was used as the precursor and carbide lime (CL) as the activator. An …

Strength, stiffness, and microstructure of stabilized marine clay-crushed limestone waste blends: insight on characterization through porosity-to-cement index

C Román Martínez, YE Nuñez de la Rosa… - Materials, 2023 - mdpi.com
The porosity-to-cement index (η/Civ) has been extensively applied to study the evolution of
different types of soil stabilization. However, this index has still not been used to characterize …

Cement stabilized soil field samples: quality control for bases and sub-bases

EJ Bittar Marin, RA Quiñónez Samaniego… - Geotechnical and …, 2023 - Springer
Quality control assessment of cemented pavement layers typically involves extracting cores
and subjecting them to unconfined compression tests. This research focuses on evaluating …

Mechanical Behavior of a Granular Soil Stabilized with Alkali-Activated Waste

B Martins Lima, GJ Bruschi, L Festugato… - Journal of Materials in …, 2024 - ascelibrary.org
The lack of bearing capacity of geotechnical materials is a recurrent problem that can be
solved through chemical admixtures and densification methods. However, traditional …

Analysis of Dispersivity in Marine Clays of Cartagena de Indias, Colombia

C Acuña, J Betancur, JA Baldovino, G Barboza… - Geosciences, 2023 - mdpi.com
This study assessed the dispersivity of soils extracted from the northern region of Cartagena
de Indias (Colombia) using the pinhole test, crumb test, and chemical–microstructural …