Mostrando 41 - 60 Resultados de 3,109 Para Buscar 'Morjärv~', tiempo de consulta: 3.33s Limitar resultados
  1. 41
    “…The results of flexural tests of basalt fibre-reinforced cementitious mortars in terms of flexural strength and the occurrence of the bridging effect are summarised. …”
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  2. 42
    “…In this article, the long-term behaviour of restoration mortar, previously designed and produced by the addition of pigments to white and grey cement-based reference mortar, is evaluated. …”
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  3. 43
    “…To contribute to the present state-of-the-art, cement mortars, modified with two grades of SAPs by dosages of 0.3%, 0.6%, and 0.9%, were designed and studied with emphasis on the relationship between the materials’ porosities and mechanical strengths. …”
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  4. 44
    “…Two powder types of CNT, multi-walled and single-wall CNTs, were employed to give the cement mortar the conductivity, and four tests including the accelerated carbonation, compressive and flexural strength, electrical resistance, and porosity tests were carried out. …”
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  5. 45
    “…Three different alkali-activated mortar mixes, based on fly ash, slag, or metakaolin, were prepared for this research. …”
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  6. 46
    “…The rheological properties of fresh plaster mortars, with varied contents of porous fillers and polymer admixtures, have been studied. …”
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  7. 47
    “…In this paper, 247 experimental datasets were obtained from the literature to develop multiscale models to predict fly-ash-based geopolymer mortar compressive strength (CS). In the modeling process, thirteen different input model parameters were considered to estimate the CS of fly-ash-based geopolymer mortar. …”
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  8. 48
    “…In this study, graded distribution of GO in cement mortar was achieved by sequentially casting a fresh GO-incorporated cement layer on another cement mortar layer. …”
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  9. 49
    “…The quality of bond between cord and mortar was found to be critically affected by the workability of the mortar and its ability to create adequate composite action along the entire embedment length of the cord. …”
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  10. 50
    “…The present paper focuses on the study of mortar samples where expansions with thaumasite formation occur as a consequence of sulphate attack. …”
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  11. 51
    por Sheng, Zhigang, Wang, Yajun, Huang, Dan
    Publicado 2022
    “…The aim of the study is the deep understanding of the essential reactivity of the environmentally friendly mortar by which its applicability can be justified. …”
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  12. 52
    por Jung, Ui-In, Kim, Bong-Joo
    Publicado 2022
    “…The porosity area and porosity of the OSA-containing mortar increased with decreasing particle size. Mortar fire-resistant boards with heated for 2 h in accordance with the heating conditions of KS F 2257-1(methods of fire-resistant testing for structural element—general requirements) to measure their back-side temperature. …”
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  13. 53
    “…The results showed that: the replacement of waste glass sand effectively improved the gas permeation resistance of mortar; with the increase of replacement, the gas permeation resistance of mortar roughly showed a trend of increasing first and then decreasing. …”
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  14. 54
    por Palomar, Irene, Barluenga, Gonzalo
    Publicado 2022
    “…Mortars with lower density, lower vapor permeability, larger open porosity, and higher Young’s and compressibility modulus showed an increase in sound insulation. …”
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  15. 55
    “…The paper compared the tensile strength and elongation at break of cement–emulsified asphalt–standard sand (CAS) mortar and cement–emulsified asphalt–rubber particle (CAR) mortar. …”
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  16. 56
    “…In this study, we investigated the formation and evolution of the corrosion layers in alkali-activated mortar and ordinary Portland cement mortar exposed to sulfuric acid and acetic acid environments with different pH values, and explored the differences in the deterioration mechanisms. …”
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  17. 57
    “…Mechanical properties of PF based asphalt mortar (P-AM) were then analyzed to determine the optimum steel slag content in PF. …”
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  18. 58
    “…The current research aimed to develop lightweight, environmentally friendly mortar materials using crop straw fibers with better insulation properties. …”
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  19. 59
    “…Furthermore, differences between concrete and mortar samples were investigated. The investigations showed that no sharp gradient on concrete samples was found due to the extremely uneven chloride front. …”
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  20. 60
    “…Taking the economic and environmental benefits, working performance and mechanical performance of mortar as evaluation indexes, the entropy weight TOPSIS (Technique for Order Performance by Similarity to Ideal Solution) comprehensive evaluation method is used to evaluate the geopolymer mortar with different proportions. …”
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