Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
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By absorbing the advanced technology from the world, we researched and designed PF series impact crusher.…
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Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
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Adopting technology from the world, PY Series spring cone crusher has an excellent performance in secondary…
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The vibrating screen is a kind of sieving equipment of international advanced level, developed by our…
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Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
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Due to the high costs of traditional concrete materials in Nigeria, such as river sand, there is an ... aggregate sizes and laterite components yields a complex synergy that shapes the concrete ...
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This specification defines the requirements for grading and quality of fine and coarse aggregate for use in concrete. Fine aggregate shall consist of natural sand, …
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Leonardo Journal of Sciences Issue 8, January-June 2006 ISSN 1583-0233 p. 1-6 Properties of Some Natural Fine Aggregates in Minna, Nigeria and Environs M. ABDULLAHI Civil Engineering Department, Federal University of Technology, Minna, Niger State, Nigeria, abdulapai@yahoo Abstract This paper investigates the properties …
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individual aggregate size fractions differ aggregates while others form weak aggregates from one another. The contents of clay, organic that fall apart very easily.matter and exchangeable cations for example, often differ from one aggregate size fraction to those in another (Cambardella and Elliot, 1993; Cruvinel et al., 1999)
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Assessment of natural sand being used as fine aggregate for concrete production in Ibadan and its environs was carried out. Ten sources (F1 – F10) were selected for the study; four (F5, F6, F7 ...
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in sizes. The standard sizes that are commercially available in Nigeria in accordance with BS 6073 (2008) are: 450mm x 225mm x 225mm used for external walls quality of constituent materials.450mm x 225mm x 150mm used for internal walls 450mm x 225mm x 112.5mm used for partition only
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While the most common mix ratio is the 1:2:4 (cement-fine aggregate-large aggregate); other mix ratios such as the 1:1.5:3 and 1:1:2 have also been tested (Adewole et al., 2015). Concrete grade...
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Semantic Scholar extracted view of "The Effect of Aggregate Size on The Strength of Concrete" by M. F. Musa et al. ... Due to the high costs of traditional concrete materials in Nigeria, such as river sand, there is an increasing demand to explore alternative materials like laterite for fine aggregates. ... Bolt reinforcement is a standard ...
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Q1: What are the standard bed sizes in Nigeria? A1: The most common bed sizes in Nigeria include single bed (3ft x 6ft), double bed (4.5ft x 6ft), queen-size bed (6ft x 6ft), and king-size bed (6ft x 7ft). …
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In Nigeria, there is no record of recycled concrete or coarse aggregate remediation but in recent time, recycled coarse aggregate has become a major source of financial relief to …
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Ordinary Portland cement of grade 32.5 was used as binder. Coarse aggregate used was granite of maximum nominal size of 12.5 mm. Potable water was …
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ISO 14668 is an international standard that provides guidelines for classifying sedimentary materials, including gravel. The standard defines various size categories based on particle diameters. The gravel …
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The influence of aggregate sizes on the structural properties of conventional concrete has been extensively studied, yielding valuable insights into concrete's behavior under varying load...
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The standard size of RCC column:- The size of the columns depends on the total load on the columns. Using thumb rule, the standard column size should be 9″×12″ (230mm×300mm) are to be used for a two story/G+1 building, provided concrete grade M20 (1: 1.5: 3) structure (cement: sand: aggregate), 6nos of 12mm of dia of Fe500 and …
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The standard document for cement specification in Nigeria is the NIS 444-1 Cement – Part 1: Composition, specifications and conformity criteria for common cements. This standard defines 27 products in the family of common cement that are grouped into 5 main types (COREN, 2017). The five groups of cement we have in Nigeria are shown in …
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Aggregate gradation plays an important role in concrete mixing. The fine and coarse aggregates generally occupy 60% to 75% of the concrete volume (70% to 85% by …
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Due to the high costs of traditional concrete materials in Nigeria, such as river sand, there is an increasing demand to explore alternative materials like laterite for fine …
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Table 1. Types of sandcrete blocks and their usage Type Work size (mm) Length x Height x Thickness Web Thickness Usage Solid Blocks 450 x 225 x100 - For non-load bearing and partition walls
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E1-2 ACI EDUCATION BULLETIN 4.2.3—Sampling plans 4.2.4—Sampling methods 4.2.5—Number and size of field samples 4.2.6—Sample containers Chapter 5—Blast-furnace slag aggregates, p.
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Solid masonry block samples of size 300x150x113mm were prepared following the National Building Code of Nigeria [28] and Nigerian Industrial Standard NIS 087: 2007 [29] which provide ...
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As per the Freedonia Gathering, around 49 billion tons of regular totals were utilized overall in 2015, and this number is supposed to increment by 5%, like clockwork.
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The Clay ratio index was computed as: Results and Discussion Soil Aggregate Stability and Soil Particle Size Distribution The results of soil particle size distribution as determined by hydrometer method and soil …
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Lagos State of Nigeria. The rebars were tested in a standard laboratory according to ... the intent to predict design strength via choice of coarse aggregate sizes ( 12.5 mm, 19 mm, 30 mm and ...
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Chapter 6 - Geotechnical Section 6F-1 - Pavement Subbase Design and Construction 2 Revised: 2013 Edition 3. Gradation: Aggregates used as subbase tend to be dense-graded with a nominal maximum size, commonly up to 1 1/2 inches.
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The distribution of selected soil nutrients in aggregate sizes of studied soil The distribution of selected soil properties in aggregate sizes of studied soils are presented in Table 2. Soil organic carbon ranged from 10.31 gkg-1-12.20 gkg-1 in aggregate diameters of 2 and 0.5 mm in Ishiagu (ARG),5.30 - 9.30gkg-1 in 2 and< 0.25 mm in Obinze (CPS).
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In our society today most of the aggregates that were used for concrete work were usually abandoned on site for some times with minimum of 6 month or more due to different factors as it may apply.
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1 in sieve size of 0.25 and 2mm in Umuna and 0.10 to 9.40mgkg-1 in aggregates sizes of 0.5 and 0.25mm in Uzoakoli respectivel y. Available phosphorus decreased as sieve sizes tends to
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The main objectives of the 2018/19 NLSS are: i) to provide critical information for production of a wide range of socio-economic and demographic indicators, including for benchmarking and monitoring of SDGs; ii) to monitor progress in population's welfare; iii) to provide statistical evidence and measure the impact on s of …
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The minimum wage is an economic policy tool aimed at raising the earning of low-income s with the ultimate objective to improve the living standard of these group of workers. Nigeria, has ...
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Assessment of Sandcrete Blocks Manufacturers 'Compliance to Minimum Standard Requirements by Standard Organisation of Nigeria in Southwest, Nigeria. International Journal of Applied Engineering ... Influence of portland cement brands and aggregates sizes on the compressive strength of normal concrete. Mater. Sci. Forum, …
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The study showed positive relationship between consumption expenditure and income and proved that the Nigeria consumption function conforms to Keynesian consumption model and also incorporates the idea of other well known theories as, interest rate; price level and exchange rate were significant variables explaining consumption behaviour in ...
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Sofol is a well-known crusher and grinding mill manufacturer that offers equipment and solutions for customers from aggregates, mining and mineral grinding industry.
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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