Mostrando 221 - 240 Resultados de 8,608 Para Buscar '"The Ashes"', tiempo de consulta: 0.15s Limitar resultados
  1. 221
    “…This paper presents research on the impact of fly ash addition on selected physical and mechanical parameters of concrete made with slag cement. …”
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  2. 222
    por Domagała, Lucyna
    Publicado 2020
    “…The aim of this study was to present the problem of durability of structural lightweight concrete made of a sintered fly ash aggregate. The issue of durability was researched for 12 concrete series in terms of their water absorption, water permeability, and freeze-thaw resistance. …”
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  3. 223
    “…One such potentially usable waste material is ash obtained by the combustion of wood biomass that is used to produce heat and electricity. …”
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  4. 224
    “…Therefore, the European coal phase-out strategy led to an increased use of wood biomass as a sustainable fuel, generating large amounts of wood biomass ash (WBA). In the research studies reported so far, WBA has been mainly used in cementitious composites. …”
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  5. 225
    “…The demand for cement production has an increasing environmental impact, and there are urgent demands for alternative sustainable solutions. Volcanic ash (VA) is an abundant low-cost material that, because of its chemical composition and amorphous atomic structure, has been considered as a suitable material to replace Portland cement clinker for use as a binder in cement production. …”
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  6. 226
    “…However, for wood ash to be used on an industrial scale in construction, a strategy for its proper storage must be defined. …”
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  7. 227
    “…Owing to variable water conditions, chemical conditions of water or ash substrate, ash settling ponds belong to anthropogenic objects which do not easily undergo plant succession. …”
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  8. 228
    “…This research aims to use biomass bottom ash as a replacement for natural sand (10%, 20% and 30% replacement); in addition, by utilizing a crushing process of the bottom ash, the ash has been used as a filler replacement (replacement 20%, 40% and 60%). …”
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  9. 229
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  11. 231
    “…This study aimed to expand the knowledge on the application of the most common industrial byproduct, i.e., fly ash, as a supplementary cementitious material. The characteristics of cement-based composites containing fly ash as supplementary cementitious material were discussed. …”
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  12. 232
    “…Municipal solid waste incineration fly ash (referred to as the fly ash) presents an important environmental problem in China today, but strategies for its treatment have yet to be widely studied and implemented. …”
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  13. 233
    “…The article describes chemical and also selected physical properties of ponded high temperature fly ash (FA) and bottom ash (BA) from a Mělník lignite power plant located in the Czech Republic. …”
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  14. 234
    “…In this study, polypropylene (PP) fibers with three lengths (6, 12, and 24 mm) and three mass percentages (0.5%, 1%, and 1.5%) were used to reinforce a coal fly ash soil (FAS) mixture. Unconsolidated, undrained triaxial tests were carried out in order to study the mechanical properties of the polypropylene fiber-reinforced FAS mixture and evaluate the impact of fiber on the shear strength of the FAS mixture. …”
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  15. 235
    “…Results reveal that the RF model was observed more exact in investigating the C-S of concrete containing fly ash (FA), as opposed to other employed PML techniques. …”
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  16. 236
  17. 237
    “…Although fly ash foam concrete (FAFC) is lightweight, heat-retaining, and insulating, its application options are constrained by its weak construction and short lifespan. …”
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  18. 238
    “…Few differences were identified among the plants, with statistically clear effects of ash type and concentration on larval and pupal stages. …”
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