Results 21 to 30 of about 4,274 (169)
Case Studies in Construction Materials, 2022 In the present work, effect of inclusion of silica fume on the performance of natural pozzolan-based cement concrete was investigated. Natural pozzolan, obtained from volcanic rocks, was used as the main supplementary cementitious material to partially ...
Shamsad Ahmad +3 more
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Evaluation of Pozzolanic Reactivity of Artificial Pozzolans [PDF]
Materials Science Forum, 2012 Pozzolanicity is a very interesting issue regarding building materials, as a way to enhance mortars and concrete durability. This property results from the reaction between calcium hydroxide and silica and alumina based materials. Different types of natural and artificial pozzolans show pozzolanic activities that differ depending on the materials ...
Pontes, J. +2 more
openaire +3 more sources
Study on the effect of Shahin-Dezh green Tuff on the mechanical characteristics of roller compact concrete [PDF]
Journal of Structural and Construction Engineering, 2016 Due to the growing popularity of concrete structure and increasing use of them, especially Roller compacted concrete, applying Pozzolan and replacing cement with Pozzolan is very important.
Sadegh Dardaei +2 more
doaj +1 more source
Low-cost Packing Materials in an Aerated Biofilter for Lagoon Effluent Treatment [PDF]
Kemija u Industriji, 2022 As part of a comprehensive evaluation of post-treatment techniques for the removal of chemical and microbiological pollutants from lagoon effluents, an aerated biofilter was designed.
Malika Khelladi +5 more
doaj +1 more source
Engineering and Applied Science Research, 2022 Engineering and Applied Science Research, 49, 4, 495 ...
Jhonatan A. Becerra-Duitama +1 more
openaire +2 more sources
Buildings, 2022 This work studies the feasibility to employ a combination of volcanic ash (natural waste) with different raw materials in the production of geopolymers: fly ash and mining tailing (considered hazardous solid waste), natural pozzolan, and metakaolin. This
Rossibel Churata +6 more
doaj +1 more source
KARAKTERISASI KOMPONEN AKTIF POZZOLAN UNTUK PENGEMBANGAN PORTLAND POZZOLAN CEMENT (PPC) [PDF]
, 2018 Pozzolan merupakan bahan yang mengandung Silica dan Alumina, dalam bentuknya yang halus dan adanya air akan bereaksi secara kimia dengan Kalsium Hidroksida pada suhu kamar dimana akan membentuk senyawa yang mempunyai sifat seperti semen.
Siswati, Nana Dyah +2 more
core +1 more source
Analisis dan Karakterisasi Potensi Pozzolan Sebagai Sumber Silika (SiO2) Untuk Meningkatkan Nilai Sumber Daya Lokal [PDF]
, 2022 ABSTRAKKabupaten Padang Pariaman memiliki sumber daya pozzolan yang belum termanfaatkan secara optimal. Pozzolan adalah bahan yang mengandung senyawa silika dan alumina. Untuk pemanfaatan yang optimal dilakukan analisis dan karakterisasi potensi pozzolan
Reni Desmiarti +7 more
core +1 more source
Thermal characteristics study of light aggregate concrete of the middle Atlas pozzolana
MATEC Web of Conferences, 2018 We present in this work an experimental study of the thermomechanical characterization of pozzolan (volcanic rock widespread in the region of Azrou in the Middle Atlas in Morocco).
Bouyahyaoui A. +3 more
doaj +2 more sources
Advances in Civil Engineering, 2023 In recent years, natural pozzolans have been proposed as a way to improve the mechanical and biocompatible properties of concrete. This study investigated the effects of different amounts of nanoparticles, coal slag pozzolan, and their combination on the
Hossein Rezayt Khargerdi +4 more
doaj +1 more source