Results 201 to 210 of about 12,946 (261)

Unlocking the reactivity of municipal solid waste incineration bottom ash through physicochemical co-activation toward improved cementitious performance. [PDF]

Sci Rep
Zhu Z, Zhang Y, Yang J, Wang J, Wang S, Shyong YZ, Huang Y, Ruan S, Zhou H.   +8 more
europepmc   +1 more source

Pozzolanic Activity Of Perlite

, 2007
Ülger Bulut
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Synergistic effects of rice husk ash and extracted microsilica on the performance of high-strength concrete. [PDF]

Sci Rep
Ullah MF, Tang H, Ullah A, Khan K.
europepmc   +1 more source

Transformation of Waste Glasses in Hydroxide Solution. [PDF]

Materials (Basel)
Czapik P, Borek K.
europepmc   +1 more source

Mechanical, microstructural, and radiation shielding characteristics of sustainable high-strength concrete incorporating recycled wastes blended powders. [PDF]

Sci Rep
Elbauomy AK, Fathy IN, Nabil IM, Elgabry A, Hamdy GA, Saif MS.   +5 more
europepmc   +1 more source

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Pozzolanic activation of metakaolin

Advances in Cement Research, 1992
Metakaolin may be calcined without grinding and suitably activated by Ca(OH)2, Na2SO4, CaSO4 (beta anhydrite) and/or NaOH. The best strengths, 50 MPa from mortar cubes at 18 months, were obtained using Ca(OH)2 and CaSO4 activators. The handling and set properties are similar to those of Portland cement; aluminous C-S-H gel is the best binder.
P. S. De Silva, F. P. Glasser
openaire   +1 more source

Pozzolanic Activity of Diatomaceous Earth

Journal of the American Ceramic Society, 2010
Lime–diatomaceous earth cement pastes were fabricated at room temperature starting with a mixture of diatomaceous earth (DE), lime, and water. The cementing phase, associated with the pozzolanic reaction of the diatom skeletons with lime, was identified as calcium silicate hydrate (C–S–H) gel using X‐ray diffraction, scanning ...
Eva Jud Sierra, Sean A. Miller, Aaron R. Sakulich, Kenneth MacKenzie, Michel W. Barsoum   +4 more
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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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