Results 61 to 70 of about 1,419 (184)

Influence of relationship water/cement upon the processing of cements with pozzolana in standard mortar

Materiales de Construccion, 2002
The processing of standard mortar is completed following different methods in accordance with the country, but they exist two fundamental tendecies, the ISO and the ASTM.
M. Gener Rizo, J. L. Álvarez Cabrera
doaj   +1 more source

Experimental Study on Hybrid Stabilization of Subgrade Expansive Soils With Brewery Spent Grain Ash and Wheat Straw Fiber

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
To develop a sustainable mix of brewery spent grain ash (BSGA) and wheat straw fiber (WSF) to stabilize expansive soils, this experiment examines the mix’s engineering characteristics and aims to reduce environmental degradation by using these materials to improve soil stability.
Lamrot Assefa, S. M. Assefa, Hirei Mohammed Hussen, Eleyas Assefa, Nagessa Zerihun Jilo, Siva Avudaiappan   +5 more
wiley   +1 more source

Studies on the behaviour of different spent fluidized-bed catalytic cracking catalysts on Portland cement

Materiales de Construccion, 2009
The fluidized-bed catalytic cracking catalyst (FCC) it is a residue from the industry of the petroleum that shows a high pozzolanic reactivity and, in cementing matrix, it significantly improves their mechanical behaviour as well as durability.
J. Payá, M. V. Borrachero, J. Monzó, L. Soriano   +3 more
doaj   +1 more source

Effects of Partial Substitution of Ordinary Portland Cement With Stone‐Cutting Dust, Limestone, and Natural Pozzolana on Compressive Strength and Microstructure

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
Rapid industrialization and urban growth have driven a rising demand for cement, yet ordinary Portland cement (OPC) production remains energy‐intensive and a major source of CO2 emissions. The partial substitution of OPC with supplementary cementitious materials (SCMs) offers a sustainable route to reduce environmental impact, production costs, and ...
Nancy Mweni Paul, Jackson Wachira Muthengia, Genson Murithi, Esther Wanja Nthiga, Joanne Ogunah, Reginah Wangui Ngari, Qian Fang   +6 more
wiley   +1 more source

Investigation of pozzolanic activity of volcanic rocks from the northeast of the Black Sea

Science and Engineering of Composite Materials, 2016
Mineralogical and chemical properties, as well as the pozzolanic activities, of the volcanic rocks in the northeast of the Black Sea were examined. Physical and mechanical tests were conducted on samples collected from the study area and the feasibility ...
Çullu Mustafa, Bolat Hakan, Vural Alaaddin, Tuncer Ertan   +3 more
doaj   +1 more source

Pozzolanic Reaction of a Biomass Waste as Mineral Addition to Cement Based Materials: Studies by Nuclear Magnetic Resonance (NMR)

International Journal of Concrete Structures and Materials, 2019
Non-fossil alternative fuels from biomass (agro-industrial, forestry and fodder plants) focus on getting cleaner, cheaper and more environmentally friendly energy sources directly related to the sustainable development of future societies.
Sagrario Martínez-Ramírez, Moisés Frías, Erika Y. Nakanishi, Holmer Savastano   +3 more
doaj   +1 more source

Composite cements containing natural pozzolan and granulated blast furnace slag

Materiales de Construccion, 2006
For reasons of market demand and Portland cement production,the manufacture of cements with two or more separately ground additions to produce customized cements is becoming common practice.
V. L. Bonavetti, G. Menéndez, H. A. Donza, V. F. Rahhal, E. F. Irassar   +4 more
doaj   +1 more source

Evolution of the hydration in cements with additions

Materiales de Construccion, 2002
In this paper, the hydration mechanism of portland cement pastes with limestone, quartz and natural pozzolan (80/20 weight) was analized. The techniques used were nonevaporable water content, pozzolanic activity and X-ray diffraction.
V. L. Bonavetti, V. F. Rahhal, E. F. Irassar   +2 more
doaj   +1 more source

Aglomerante puzolánico formado por cal y ceniza de paja de caña de azúcar: la influencia granulométrica de sus componentes en la actividad aglomerante Pozzolanic binder constituted by lime and cane sugar straw ash: the granulometric influence of its components in the agglomerate activity

Revista Ingeniería de Construcción, 2007
En el presente trabajo se realiza una caracterización de los componentes de una mezcla binaria formada por cal-ceniza de paja de caña de azúcar mediante las técnicas analíticas de difracción de rayos-x, de análisis químico y granulometric o, valorándose ...
Lesday Martínez Fernández, Rafael Quintana Puchol, José Fernando Martirena Hernández   +2 more
doaj  

Durability Assessment of Binary and Ternary Eco-Friendly Mortars with Low Cement Content

Solids
Global cement manufacturing generated 1.6 billion metric tons of CO2 in 2022 and relies heavily on non-renewable raw materials. Utilizing agro-industrial waste as supplementary cementitious material (SCM) can help mitigate the demand for these resources.
Lucas Henrique Pereira Silva, Jacqueline Roberta Tamashiro, Fabio Friol Guedes de Paiva, João Henrique da Silva Rego, Miguel Angel de la Rubia, Angela Kinoshita, Amparo Moragues Terrades   +6 more
doaj   +1 more source