Results 51 to 60 of about 576 (177)

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

Natural pozzolana of micro and nano-size as cementitious additive: resistance of concrete/mortar to chloride and acid attack

Cogent Engineering, 2021
The goal of the current paper is to study the effect of natural pozzolana (NP) when ground to a micro and nano size on some concrete properties. Syria is rich in natural pozzolana with an estimated quantity of nearly 1 billion tonnes.
Aref M. Al-swaidani
doaj   +1 more source

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

EFFECT OF SUGAR CANE BAGASSE ASH ON THE PHYSICAL PROPERTIES OF SUBGRADE LAYER

Journal of Engineering and Sustainable Development, 2017
In the pavement, the subgrade layer must have enough strength in order to withstand and support the other layers. The availability of waste materials from industry and agriculture and the need to employ the use of this material in the field of roadworks
Ghadah Ghassan Masued
doaj  

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

New Building Envelope Materials for Energy Saving and Sustainability

Journal of Engineering, Volume 2026, Issue 1, 2026.
The hygrothermal performance of building envelopes critically influences indoor comfort and energy demand, especially in warm climates where air conditioning represents a major energy use. This study evaluates a composite earth‐based brick incorporating crushed limestone aggregates, lightly stabilized with 8% cement and optimized for Mediterranean ...
Amel Soukaina Cherif, Sondes Skander-Mustapha, Ilhem Slama-Belkhodja, Shikha Binwal   +3 more
wiley   +1 more source

Mechanical Performance of Black Cotton Soil Stabilised With Bagasse Ash Incorporating Limestone Calcined Clay Cement Under Varied Loading Conditions

Journal of Engineering, Volume 2026, Issue 1, 2026.
Construction of geotechnical infrastructures in tropical regions characterised by black cotton soil (BCS) presents major engineering challenges due to its high swelling and shrinkage potential. Bagasse ash (BA) incorporating limestone calcined clay cement (LC3) has emerged as a promising stabilisation approach to enhance the performance of foundations ...
Horris K. Nangulama, Siya P. Rimoy, John Elvis, Shikha Binwal   +3 more
wiley   +1 more source

Potential of Construction and Demolished Wastes as Pozzolana

Procedia Technology, 2016
AbstractThe construction and demolition (C&D) wastes constitute 25% of the solid waste generation in India. A large proportion of these wastes are disposed off as landfill leading to severe social and environmental problems. Environmental considerations are pushing the industry towards more sustainable practices which leads less energy intensive ...
Antony, Jiji, Nair, Deepa G.
openaire   +1 more source

Effet de la combinaison de la chaux et de la pouzzolane naturelle sur le compactage et la résistance des sols mous argileux Effect of the combination of lime and natural pozzolana on the compaction and strength of soft clayey soils

MATEC Web of Conferences, 2012
La stabilisation des sols mous a été pratiquée longtemps en mélangeant des ajouts, tels que le ciment, la chaux et les cendres volantes au sol pour augmenter sa résistance.
Kenai S., Harichane K., Ghrici M.
doaj   +1 more source

Low‐Carbon Concrete Systems: A Comparative Review of Binder Technologies and Alternative Materials

Journal of Engineering, Volume 2026, Issue 1, 2026.
About 8% of the world′s carbon dioxide emissions come from the production of concrete, mostly from the clinker used to make regular Portland cement. By comparing supplementary cementitious materials (SCMs), alkali‐activated materials (AAMs), alternative aggregates, and waste‐derived elements using a shared carbon‐performance paradigm, this review ...
Majid Naeem Hammood, Mohamed Ibrahim Abu-Mahadi, Paschal Chimeremeze Chiadighikaobi, Nadezhda A. Stashevskaya, Blossom Chinazor Ubani-Wokoma, Swastik Pradhan   +5 more
wiley   +1 more source