Results 51 to 60 of about 5,736 (202)

Triaxial tests on frozen ground: formulation and modelling [PDF]

, 2013
Artificial Ground Freezing (AGF) is a controllable process that can be used by engineers to stabilise temporarily the ground, provide structural support and/or exclude groundwater from an excavation until construction of the final lining provides ...
Casini, Francesca, Gens Solé, Antonio, Olivella Pastallé, Sebastià, Viggiani, Giulia   +3 more
core  

Systematic Review of the Improvement of the Mechanical Properties of Concrete With Agave Fibers and Biochar

Advances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.
The construction sector faces the urgent challenge of reducing the environmental impact associated with cement production. In response, biodegradable materials such as agave fibers and biochar have attracted growing interest as sustainable alternatives for improving concrete performance.
Yazmin O. Linares González, Gustavo Adolfo Alonso Silverio, Ricardo Salazar, Gerardo Altamirano de la Cruz, Sulpicio Sánchez Tizapa, Mohammad Rezwan Habib   +5 more
wiley   +1 more source

A Comparative Study on the Properties of Volcanic Rocks from the Aegean Islands, Greece, for Utilization as Pozzolanic Additives in Cement

Materials Proceedings, 2023
This comparative study investigates the pozzolanic potential of volcanic rocks sourced from the Aegean Islands, Greece, as additives in cement. The utilization of volcanic materials as pozzolanic additives has gained interest due to its ability to ...
Theodoros Sainis, Glikeria Kakali, Panagiotis Pomonis, Charalampos Vasilatos   +3 more
doaj   +1 more source

Mechanical and Physical Performance of Mortars Incorporating Crushed Hazelnut Shells as Partial Fine Aggregate Replacement

Advances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.
This study investigates the mechanical and physical properties of mortars incorporating crushed hazelnut shell (HS) as a partial replacement for fine aggregates. Mortar mixtures were prepared with varying water‐to‐cement (w/c) ratios ranging from 0.35 to 0.50 and HS dosages of 2.5%, 5%, and 7.5% by weight, along with reference mixtures without HS.
Sergio J. Yanez, Leonardo Brescia-Norambuena, Daniela Gutiérrez Canales, Siva Avudaiappan, Juan Carlos Pina, Susana García Vera, Tamara Erazo Ibarra, Mohammad Rezwan Habib   +7 more
wiley   +1 more source

A Quality Control Scheme for a Commercial Pozzolana Plant: A Case Study of Pozzolana Ghana Ltd

Ghana Journal of Science, 2019
A Quality control scheme was developed for a 200 ton per day commercial pozzolana plant. The scheme was evaluated for the first 34 days of production. Statistical Process Control tech­niques were specifically applied to the mechanical properties of setting times and compressive strength.
J. Sarfo-Ansah, K. A. Boakye, E. Atiemo, R. Appiah   +3 more
openaire   +2 more sources

Strength, Sulfate Resistance, and Microstructural Characteristics of Concrete With Partial Cement Replacement Using Eggshell Powder and Wheat Straw Ash

Advances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.
This study explores the partial replacement of ordinary Portland cement (OPC) with a composite of eggshell powder (ESP) and wheat straw ash (WSA) in C‐25 concrete, focusing on mechanical performance and durability. Cement was replaced with varying proportions of ESP and WSA, and the concrete mix was prepared following ACI guidelines.
Abdulsemad Jemal Jema, Fikreyesus Demeke Cherkos, Mohammad Rezwan Habib   +2 more
wiley   +1 more source

Enhanced Utilization of Coal Ash in Construction: Physicochemical Properties and Compressive Strength of Blended Cement and Geopolymer Mortar

Advances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.
The properties of fly and bottom ashes produced by Morupule power stations in Botswana are analysed for their pozzolanicity. Furthermore, the influence of physical, chemical and microstructural properties of the ashes on the performance of compressive strength of fly ash–based blended cement and geopolymer mortar was evaluated.
Damilola O. Oyejobi, Ali A. Firoozi, Adekunle P. Adewuyi, Njideka M. Aguome, Rajashik Paul   +4 more
wiley   +1 more source

The influence of natural pozzolana mineralogical composition in the properties of blended cement

Materiales de Construccion, 2002
The pozzolana activity is the main property of the active additions but, in order to select them, we have to consider - between other factors- its mineralogical composition with a great influence, not only in the active component, but also in other ...
M. Gener Rizo, J. M. Alonso Lavernia
doaj   +1 more source

Stone‐Cutting Dust as a Sustainable Supplementary Cementitious Material: A Comprehensive Review of Its Physicochemical and Mechanical Effects

Journal of Chemistry, Volume 2026, Issue 1, 2026.
Ordinary Portland cement (OPC) remains the most common binder used in construction and accounts for nearly 7%‐8% of the world’s CO2 emissions due to calcination of limestone and high energy use during clinker production. Reducing OPC content using SCMs is one of the major strategies to achieve sustainable construction.
Nancy Mweni Paul, Jackson Wachira Muthengia, Genson Murithi, Joanne Ogunah, Esther Wanja Nthiga, Catherine Rwamba Githuku, Moses Onyango Opiyo, Reginah Wangui Ngari, David Munyao Musyoki, Munmun Bardhan   +9 more
wiley   +1 more source

Combined Effect of Natural Pozzolana and Steel Fibre on the Mechanical Properties of Normal Concrete Subjected to a High Temperature

Slovak Journal of Civil Engineering
The objective of this work is to study the effects of high temperatures on the compressive strength, flexural tensile strength, and toughness indices of ordinary concrete reinforced with 0.5% steel fibre.
Boulakoud Bilel
doaj   +1 more source