Effects of Sand/Gravel Mining in Minna Emirate Area of Nigeria …
The paper examined sand and gravel mining activities both on land and the rivers as a business venture in Minna emirate council of Niger state, Nigeria. It identified various stakeholders in this business as: the landlords of the quarries, the local government authorities and the miners among others. It further looked at what each stakeholder stands to gain or lose …
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The environmental impacts of river sand mining
River sand mining does not alter the chemical properties of the sand but it does alter the local and downstream water quality. ... Ako et al. (2014) conducted a qualitative study assessing the impact of sand and gravel mining in Luku, North central Nigeria. They found concentrations of heavy metals such as lead, nickel, arsenic, cadmium, silver ...
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Effects of Sand/Gravel Mining in Minna Emirate Area of Nigeria …
The paper examined sand and gravel mining activities both on land and the rivers as a business venture in Minna emirate council of Niger state, Nigeria. It identified various stakeholders in this business as: the landlords of the quarries, the local ... Socio-economic Consequences of Sand Mining along the Victory River in Port Harcourt, Nigeria ...
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Sandcrete Blocks and Quality Management in Nigeria
Sandcrete Blocks and Quality Management in Nigeria Building Industry M. N. Anosike1 and A. A. Oyebade2 ... Materials like sand, gravel, crushed rock and other mineral fillers are used as
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Effects of Sand/Gravel Mining in Minna Emirate Area of Nigeria …
Findings indicate that sand scooping reduces surface water quality and quantity 251(61%), leads to river bed degradation 311(87.4%), sand harvesting increases erosional valleys 308(86.6%), there ...
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(PDF) Comparison of Compressive Strength and Cost …
According to [5], 25% of laterite to 75% of river sand with 19.5mm and 12.5mm coarse aggregate particle sizes gave satisfactory results in terms of workability and compressive strength ...
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The Effect of Replacement of River Sharp Sand with Quarry …
1,2Department of Civil Engineering, Faculty of Engineering, University of Uyo, Akwa Ibom State, Nigeria. ABSTRACT: Sharp sand, the normal fine aggregate in concrete is getting scarce daily because of the increase in ... into locally available substitutes for conventional concrete materials like river sand. Quarry fines have of recent been used ...
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Environmental Effects of Sand and Gravel Mining on Land and …
The increase in the demand for sand and gravel for construction and other purposes such as flood control has placed immense pressure on the environment where sand and gravel resources occur. This study was carried out to determine the environmental effects of sand and gravel mining in Luku, North central Nigeria, using field observations and laboratory …
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Replacement of River Sand with Quarry Dust in Concrete …
Rising population growth in Nigeria had led to increased demand for river sand to meet the demand of the construction industries (Ozoji 2015). Construction industries in developing …
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The Impact of Sand and Laterite Mining on the Watari River …
3 Steinberger et al. (2010) defined river sand and stone mining as the excavation, extraction, quarrying or dredging of sand, gravel, rocks, boulders and other riverbed deposits from the bed, bank, or
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Department of Civil Engineering, Faculty of Engineering, …
This study compares the strength of concrete made using River sand and Quarry dust as fine aggregate, using a mix ratio of 1:1.5:3 for both types of fine aggregate with a water ratio of 0.5 ... Nigeria. Quarry dust is a fine rock particle, grey in colour. Coarse Aggregate Gravel was used as coarse aggregate for this experimental work.
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Comparison of physical and mechanical properties of river sand …
Properties of concrete is governed by the size,compositionand shape of fine aggregate.Fine aggregates come from different sources such as river bed, quarry, etc. Quarry sand possesses good quality ...
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The use of red earth, lateritic soils and quarry dust as an …
compared with the Federal Republic of Nigeria, National Building Code 35 which is 1.75 MPa to determine if they conform ... Grain size analysis for red earth (RS –River sand, QD –Quarry dust, LT– Laterite and RE –Red earth). Fig. 4. Compressive strength of bricks (CRS- cement+river sand, CQD- cement+quarry dust, CRE-cement+red earth ...
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COMPRESSIVE STRENGTH OF CONCRETE USING …
SAND AND QUARRY DUST AS FINE AGGREGATE Joseph O. Ukpata1, Maurice E. Ephraim2 and Godwin A. Akeke1 1Department of Civil Engineering, Cross River University of Technology, Calabar, Nigeria 2Department of Civil Engineering, Rivers State University of Science and Technology, Port Harcourt, Nigeria E-Mail: joeukpata@yahoo ABSTRACT
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Utilization of Quarry Dust as a Partial Replacement of Sand …
physical properties of river sand and quarry dust were tested and reported and the workability as ... Nigeria. The quarry dust was collected from the same location as the crushed granite. Grade 42 ...
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Cost of Sand and Stones per Ton in Nigeria 2024 – …
These loose rock fragments are extracted from gravel pits in Nigeria. 5. Granite stones. Unlike gravels, Granites are hard rocks of Igneous origin which are sourced from quartz, feldspar or mica, and make up a larger …
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Concrete Compressive Strength Using River Sand and Quarry …
Ordinary Portland cement (OPC) was blended with river sand and quarry dust at five levels, namely 10%, 20%, 30%, 40%, and 50%, by ... The river sand was taken from the Otamiri River in Nekede, Imo State, Nigeria, and was free of silt and organic contaminants. Both the quarry dust and coarse aggregates came from Lokpaukwu in Abia State.
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QUARRIES IN WESTERN NIGERIA) FRACTION FOR …
commercial quarry operation and therefore depend solely the importation of various sizes of on rock fragment / aggregates from neighboring states. Quarries that are operational in each …
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Quality Assessment of Sandcrete Blocks Produced with …
block produced with river sand in order to determine their compliance level to the standard expected of a sandcrete block in Nigeria. Eighteen sandcrete blocks of size 225 mm 225 mm 450 mm were gotten from three different production locations in Ifo, Ogun State Nigeria. Sieve analyses, bulk density, silt content, and the
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COMPARATIVE ANALYSIS OF RIVER SAND, M-SAND …
by the concrete with river sand, M-Sand and Quarry Dust Sand. Fig.4.1 True Slump Fig.4.2 Shear Slump Fig.4.3 Collapse Slump 4.2 COMPRESSIVE STRENGTH At the beginning, i.e. at 7 days the concrete's strength made of manufactured sand and …
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The use of red earth, lateritic soils and quarry dust as an …
Therefore in order to overcome the stress and demand for river sand, red earth soil, lateritic soil and quarry dust have been identified and evaluated to provide an alternative in sandcrete …
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Impacts of Sand and Gravel Quarrying on the Stream Channel …
Lu et al. [15] investigated sand and gravel mining in the upstream of the Yangtze River and its effects on the three gorge reservoirs, and analyzed the effects of sand and gravel mining on the ...
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(PDF) Sustainable Sand Provision in Nigerian Construction Projects
Typical findings reveal that the primary source of sand currently used for construction in Nigeria is river. Most prevailing negative consequences experienced include soil erosion, depletion of sand and increasing the cost of construction. ... Level of adoption of Alternatives to River Sand Quarry dust and Construction and Demolition Waste are ...
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River Sand Mining and Its Ecological Footprint at Odor River, Nigeria
River sand mining has consequential ecological footprints on rivers, ... This is because the total sediment load and its arrangement in rivers makes up the complex natural structure of sand-gravel-bed channels and thus, performs a huge enviornmental and sustainable role. ... However, in developing countries like Nigeria, river mining continues ...
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ASSESSING QUARRY DUST AS A POSSIBLE …
Experimental results shows that replacement of river sand with quarry dust improves the performance of the sandcrete blocks at all ages, as increase in compressive strength and density were observed while there was
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Environmental Effects of Sand and Gravel Mining on Land and …
DOI: 10.12691/JGG-2-2-1 Corpus ID: 52261379; Environmental Effects of Sand and Gravel Mining on Land and Soil in Luku, Minna, Niger State, North Central Nigeria @inproceedings{Ako2014EnvironmentalEO, title={Environmental Effects of Sand and Gravel Mining on Land and Soil in Luku, Minna, Niger State, North Central Nigeria}, author={Thomas …
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River Sand Quarry In Nigeria
River sand concrete attained higher densities than quarry dust concrete for all ages of curing. The higher density of river sand concrete can be as a result of higher density of the river sand in relation to the quarry dust. The density of river sand concrete and quarry dust concrete are within the nominal value of 24 kN/m 3 (i.e. 2,446 kg/m 3
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The Effect of Replacement of River Sharp Sand with …
The results suggest that concrete containing mixtures of lateritic sand and quarry dust can be reasonably used in structural elements as for normal concrete (concrete with river sand as fine ...
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Comparison of physical and mechanical properties of river …
of curvature, C c of river sand is 0.96 and the uniformity coefficient, C u of river sand is 2.11. The corresponding values for quarry dust are 0.8 and 5.45, respectively. A well-graded soil
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