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Six different sand types (silica sand, river sand, sandstone, Rilem sand, waste concrete aggregate, and basalt sand) were used in the geopolymer mortar. The ultrasonic pulse velocity (UPV) and
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Basalt was used as stadium seating and street pavers throughout the Roman Empire. Today, basalt is commonly used as crushed aggregate in construction projects. Crushed basalt is used for road base, concrete aggregate, asphalt pavement aggregate, railroad ballast, filter stone in drain fields. But, basalt is also cut into dimension stone
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2018-3-20 · Basalt aggregate was used as natural coarse aggregate. The particle size distribution curves of basalt aggregate and steel slag aggregate of the fractions 20–10 mm and 10–4.75 mm were compared to each other to minimize the possible effect of the change
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2018-7-20 · A comparison was made between the performance of a reference concrete without basalt powder and concretes containing different amounts of waste basalt powder. Five concrete mixtures were prepared, i.e. reference concrete without basalt powder and those replacing (by mass) 5%, 10%, 20% and 30% of fine aggregate (sand) with basalt powder
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2020-8-30 · The coarse aggregate in the asphalt mixture was produced from basalt gravel in Inner Mongolia, and was divided into four grades: 3–6 mm, 6–12 mm, 12–17 mm, and 17–22 mm. The fine aggregate in the asphalt mixture was mechanical sand, with a particle size of 0–3 mm. The properties of the aggregates are presented in Tables 2 and 3. Lime
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Basalt Aggregates. Aggregates are often referred to as crushed rock or by their individual geological names. The rock is processed through several stages of crushing and screening to create the final product. Essentially, primary aggregates can refer to any granular material formed from a natural rock substance, in this instance basalt
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Six different sand types (silica sand, river sand, sandstone, Rilem sand, waste concrete aggregate, and basalt sand) were used in the geopolymer mortar. The ultrasonic pulse velocity (UPV) and
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2020-5-18 · This paper presents an experimental study of the microstructure of concrete using crushed sands and river sand. Three sands with different geological nature have been investigated in this work. Sand from crushed basalt (SB), sand from crushed gneiss (SG) and sand from river Sanaga (SS) were used for the formulation of these concretes. The results of the analysis show that concrete made from
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2020-9-10 · A new method to improve the properties of recycled aggregate concrete: Composite addition of basalt fiber and nano-silica J. Clean. Prod. , 236 ( 2019 ) , Article 117602
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Igneous, and Sedimentary Rocks (Crushed Gneiss, Crushed Basalt, Alluvial Sand) as Fine Aggregate. J Archit Eng Tech 6: 191. doi: 10.4172/2168-9717.1000191. Page 5 of 6
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2019-12-5 · He, F. Liu*, H.W. Luo, L.J. Li, Dynamic bond behaviour of fibre-wrapped basalt fibre-reinforced polymer bars embedded in sea sand and recycled aggregate concrete under high-strain rate pull-out tests, Constr. Build. Mater. 276 (2021) 122195
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