Alkali activated fly ash-based concrete: Evaluation of curing process using non-linear ultrasonic approach
A Nikvar-Hassani, HN Alnuaimi… - Journal of …, 2022 - asmedigitalcollection.asme.org
This paper investigates the applicability of the nondestructive testing and evaluation
(NDT&E) method using ultrasonic signals to monitor the curing of alkali-activated fly ash …
(NDT&E) method using ultrasonic signals to monitor the curing of alkali-activated fly ash …
[HTML][HTML] Compressive behaviour of lump-grout material under lateral confinement: Laboratory tests
The lump-grout (LG) material consisted of coarse lumps and pumpable grout has been
developed as an alternative infill material to cementitious grout (CG) material in secondary …
developed as an alternative infill material to cementitious grout (CG) material in secondary …
Development of a biopolymer modified geopolymer based cementitious material for enhancement of pumpable roof support
A Nikvar-Hassani, L Zhang - Materials and Structures, 2022 - Springer
This paper investigates the utilization of biopolymer to improve the ductility of class F fly ash
based geopolymer cementitious material developed for pumpable roof support. Specifically …
based geopolymer cementitious material developed for pumpable roof support. Specifically …
Full-Scale Demonstration and Performance Evaluation of a Hybrid Geopolymer/Biopolymer Cementitious Material Developed for Pumpable Roof Supports in …
A Nikvar-Hassani, T Batchler, L Zhang - Mining, Metallurgy & Exploration, 2024 - Springer
Recently, a new hybrid geopolymer/biopolymer (GP/BP) cementitious material was
developed for improving the performance of pumpable roof supports in underground mines …
developed for improving the performance of pumpable roof supports in underground mines …
Investigation on the setting time improvement of geopolymer cementitious material developed for pumpable roof supports
S Motameni, A Nikvar-Hassani, L Zhang - ARMA US Rock Mechanics …, 2024 - onepetro.org
A novel geopolymer cementitious material (GCM) has recently been developed at the
University of Arizona for the construction of pumpable roof supports (PRSs) in underground …
University of Arizona for the construction of pumpable roof supports (PRSs) in underground …
Hybrid roof standing supports in underground mining: Concept and behaviour
H Zhao, T Ren, A Remennikov - Geomechanics and …, 2022 - Taylor & Francis
This paper presents a series of novel hybrid columns incorporating emerging materials,
being the alternative to pumpable standing supports used in underground mines. The infill …
being the alternative to pumpable standing supports used in underground mines. The infill …