Effect of micropiles on clean sand liquefaction risk based on CPT and SPT

V Farhangi, M Karakouzian, M Geertsema - Applied Sciences, 2020 - mdpi.com
Liquefaction is a hazardous seismic-based phenomenon, which causes an abrupt decrease
in soil strength properties and can result in the massive destruction of the built environment …

Mechanical characteristics of cement paste in the presence of carbon nanotubes and silica oxide nanoparticles: An experimental study

M Karakouzian, V Farhangi, MR Farani, A Joshaghani… - Materials, 2021 - mdpi.com
Considering the remarkable characteristics of nanomaterials, previous research studies
investigated the effects of incorporating different types of these materials on improving the …

Experimental study on permanent deformation characteristics of coarse-grained soil under repeated dynamic loading

H Mei, S Satvati, W Leng - Railway Engineering Science, 2021 - Springer
Practical assessment of subgrade settlement induced by train operation requires developing
suitable models capable of describing permanent deformation characteristics of subgrade …

Performance-based economic analysis to find the sustainable aggregate option for a granular roadway

S Satvati, A Nahvi, B Cetin, JC Ashlock… - Transportation …, 2021 - Elsevier
Approximately 110,000 km of granular roadways exist in the 183,500 km road network in the
State of Iowa, and operation and maintenance of these roadways costs roughly US $270 …

Investigation of non-standard unbound granular materials under cyclic loads: experimental and regression analyses

A Alnedawi, B Kafle, S Ullah, W Kerr - International Journal of …, 2022 - Taylor & Francis
This study evaluated the potential use of non-standard unbound granular material (UGM) as
pavement granular materials. Repeated load triaxial (RLT) tests were performed on several …

Nanoclay stabilization of crude oil contaminated soils

H Sadighi, MA Roshan Zamir - AUT Journal of Civil Engineering, 2020 - ajce.aut.ac.ir
Human activities can pollute not only air and water but also soil. One of the most important
types of soil pollution is the contamination with oil and its products. Such contaminations are …

Leaching behavior of metals and sulfate from taconite tailings used in pavement construction

S Schreck, M Mahedi, B Cetin - Geo-Congress 2020, 2020 - ascelibrary.org
Taconite tailings are the by-product ore-bearing rocks of iron mining, predominantly
consisting of silicate and fine magnetite crystals. In recent years, the use of taconite tailings …

Development of Prediction Models for Mechanistic Parameters of Granular Roads Using Combined Non-destructive Tests

S Satvati, B Cetin, JC Ashlock - … Geotechnics IV: Proceedings of the 4th …, 2022 - Springer
Characteristics of the surface aggregate materials are very important for the serviceability
and performance of granular roads. Mechanical properties such as strength, abrasion …

Goal and Objectives

JC Ashlock, C Rutherford, B Cetin - 2021 - publications.iowa.gov
The goal of this project was to investigate the performance of granular road sections
stabilized with quarry fines byproducts and perform a benefit-cost analysis (BCA) to find the …

Evaluation of Optimized Compaction Energy for Coarse Aggregates by Gyratory Compactor

S Satvati, B Cetin, JC Ashlock - IFCEE 2021, 2021 - ascelibrary.org
Aggregate durability is crucially important for performance of granular roadways. Therefore,
proper laboratory durability evaluations of aggregates that will be used during construction …