Results 161 to 170 of about 7,633 (204)

Assessment of Various Mitigation Strategies of Alkali-Silica Reactions in Concrete Using Accelerated Mortar Test. [PDF]

Materials (Basel)
Almakrab A, Elshazli MT, Ibrahim A, Khalifa YA.   +3 more
europepmc   +1 more source

How sustainable was ancient Roman concrete? [PDF]

iScience
Martinez DM, Miller SA, Monteiro PJM.
europepmc   +1 more source

Activity of Copper and Blast Furnace Slag and Its Influence on the Properties of Cement. [PDF]

Materials (Basel)
Grzeszczyk S, Matuszek-Chmurowska A, Kaleta-Jurowska A, Jurowski K, Podkowa P, Stęplowski S.   +5 more
europepmc   +1 more source

Prediction and validation of mechanical properties of self-compacting geopolymer concrete using combined machine learning methods a comparative and suitability assessment of the best analysis. [PDF]

Sci Rep
Onyelowe KC, Ebid AM, Awoyera P, Kamchoom V, Rosero E, Albuja M, Mancheno C.   +6 more
europepmc   +1 more source

Mechanochemical Activation of Waste Clay Brick Powder with Addition of Waste Glass Powder and Its Influence on Pozzolanic Reactivity. [PDF]

Molecules
Őze C, Badacsonyi N, Makó É.
europepmc   +1 more source

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Natural Pozzolans

2017
This chapter is dedicated to several kinds of natural pozzolans that occur around the globe and describes their specific characteristics, origin and use in concrete. Moreover, the advantages and disadvantages of their use in concrete mixes are highlighted in terms of concrete properties. In particular, the referenced properties in this chapter are that
Dedeloudis, C., Zervaki, M., Sideris, K., Juenger, M., Alderete, N., Kamali-Bernard, Siham, Villagrán, Y., Snellings, R.   +7 more
openaire   +1 more source

Pozzolana and Pozzolanic Cements—A Review Part—II: Pozzolanic Cements

Transactions of the Indian Ceramic Society, 1983
In this review pozzolanic cements have been discussed. A certain amount of pozzolana can be mixed with Portland cement to yield pozzolanic cements and thus the mixture becomes economic as well as inter-reactive. The specific advantages are its better strength, improved workability, less heat of hydration, less shrinkage and greater resistance to ...
C. Samanta, M. K. Chatterjee
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Pozzolanic activity of natural pozzolan–lime pastes and physicomechanical characteristics

Journal of Thermal Analysis and Calorimetry, 2018
In order to evaluate the pozzolanic activity of a natural pozzolan (NP) of rhyolitic composition, several pastes were prepared by mixing the pozzolan with hydrated lime, in different ratios. The pastes were stored in standard conditions (RH = 99 ± 1%, T = 25 ± 1 °C) and evaluated using thermal analysis (TG-DTA), X-ray diffraction, compressive strength ...
Asterios Bakolas, Eleni Aggelakopoulou
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Pozzolanic activity tests as a measure of pozzolans' performance. Part 1

Magazine of Concrete Research, 2007
The current methodologies used for the selection and classification of pozzolans present certain chemical and physical requirements that may restrict their use. A good example of this is the use of the pozzolanic activity index as the main parameter in the selection and classification of pozzolans. This is determined by several different methodologies
G. P. Gava, L. R. Prudêncio
openaire   +1 more source