Results 101 to 110 of about 18,605 (255)

Impacto de la utilización de puzolanas naturales ecuatorianas

open access: yesRevista de Investigaciones en Energía, Medio Ambiente y Tecnología, 2017
The cement industry provides the basic material in the production of concrete; but it is one of the most aggressive productions in relation to the environmental component, emitting large amounts of CO2 in the process. Research using new binders that meet
Cesar Mauricio Jarre Castro   +3 more
doaj   +1 more source

Pulverized Calcined Clay and Carbide Waste as Alternative Binder in Concrete and Mortar Applications for Sustainable Construction [PDF]

open access: yes, 2018
Portland cement (PC) based concrete is the world’s most consumed man-made material and this consequently puts lots of demand on cement as a binder.
Adebayo, Lameed   +7 more
core   +1 more source

Composite cements containing natural pozzolan and granulated blast furnace slag

open access: yesMateriales 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   +4 more
doaj   +1 more source

Soil Stabilization Manual 2014 Update [PDF]

open access: yes, 2014
Soil Stabilization is used for a variety of activities including temporary wearing curses, working platforms, improving poor subgrade materials, upgrading marginal materials, dust control, and recycling old roads containing marginal materials. There are
Connor, Billy   +2 more
core  

Characterization of LUSI Mud as Geopolymer Raw Material [PDF]

open access: yes, 2012
The mud of mud volcano samples were collected from an eruption site named ‘LUSI’ (Lumpur “mud” –Sidoarjo), East Java, Indonesia for characterization. Analysis showed that, the major constituents of mud are SiO2 and Al2O3 which are higher than those in ...
Hardjito, D.   +4 more
core  

Studi Awal Pembuatan High-volume Sidoarjo Mud Concrete Brick [PDF]

open access: yes, 2013
Telah banyak dilakukan penelitian tentang pemanfaatan material lumpur Sidoarjo sebagai material pozzolan. Penelitian ini menggunakan lumpur Sidoarjo dengan kadar yang tinggi, yaitu >50%, dan bertujuan untuk menganalisa perbandingan dari penggunaan ...
Antoni, A. (Antoni)   +3 more
core  

Evolution of the hydration in cements with additions

open access: yesMateriales 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   +2 more
doaj   +1 more source

PENGARUH PENGGUNAAN SUBSTITUSI ADITIF, AGREGAT HALUS, AGREGAT KASAR DAN PENAMBAHAN FILLER BIJIH BESI TERHADAP KUAT TEKAN DAN DAKTILITAS BETON MUTU TINGGI HYBRID [PDF]

open access: yes, 2017
ABSTRAKBeton mutu tinggi (BMT) merupakan beton yang memiliki kuat tekan lebih besar dari 41,4 MPa. Agregat yang digunakan pada beton mutu tinggi merupakan agregat yang berkualitas baik, sehingga beton mutu tinggi ini memiliki kuat tekan yang tinggi. Pada
Fauzan Z
core  

Effects of the secondary minerals of the natural pozzolans on their pozzolanic activity

open access: yesCement and Concrete Research, 2008
Abstract Natural pozzolans have been widely used as substitutes for Portland cement, because of their binding properties. Some of them are natural volcanic rocks which contain secondary minerals such as clays and zeolites corresponding to products of the alteration of the rock.
Habert, Guillaume   +4 more
openaire   +3 more sources

Evaluation of metakaolin pozzolan for cement in South Africa

open access: yesDevelopments in the Built Environment, 2023
F. Sinngu   +3 more
semanticscholar   +1 more source

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