
Dust Accumulation, Heavy Metal Content and Stomata
Dust Accumulation, Heavy Metal Content and Stomata Morphology of Some Medicinal Plants at Rock Quarrying Locations at Lokpaukwu, Nigeria C. E. Ogbonna1, F. I. Nwafor1,2* and O. O. Ogbonnaya1 1Department of Environmental Resource Management, Abia State University, Uturu, Nigeria.
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Strength and Durability Properties of Concrete Containing
2BTStruct & Partners (Civil & Structural Engineers), Bodija, Ibadan, Nigeria Abstract: Quarry rock dust is investigated as fine aggregate in replacement with sand in cement concrete admixture, as the properties of the rock dust are suspected to be as good as sand.
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ASSESSING QUARRY DUST AS A POSSIBLE REPLACEMENT OF
The quarry dust used in the research was obtained from quarry site produced by Dantata and Sawoe Construction Company, Dutse Site in Jigawa state, Nigeria; it has a specific gravity of
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Assessment of Environmental Impacts of Quarry Operation in
Assessment of Environmental Impacts of Quarry Operation in Ogun State, Nigeria Mbuyi M. Melodi Department of Mining Engineering, Federal University of Technology, Akure, Nigeria on health hazards covers harmful dust and noise which is (rock) but also crushing and screening that makes the rock suitable for use
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OPTIMIZING COMPRESSIVE STRENGTH CHARACTERISTICS OF
Granite rock is abundant in Nigeria giving rise to many quarry sites with large heaps of quarry dust. Hence, quarry dust can [11] observed that natural sand is usually not graded properly and has excessive silt, while quarry rock dust does not contain silt or organic impurities and can be produced to meet desired gradation and fineness as
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Models For Predicting The Structural Characteristics Of
22/06/2020 The great infrastructural development in many countries, Nigeria inclusive, has led to the establishment of many rock quarry sites, resulting in the production of great volumes of quarry dust. Quarry dust is a by-product of the rock quarrying process whose size ranges from below 63 micrometers to 5 millimeters (< 63µm 5mm).
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Pulmonary Problems among Quarry Workers of Stone Crushing
It was shown that dusts generated from granite quarrying contain 71% silica. 12,13 The occupationally related lung diseases are most likely due to the deposition of dust in the lung and are influenced by the type of dusts, the period of exposure, the concentration and the size of the airborne dust in the breathing zone. 14 In Nigeria stone quarrying represents an unorganized sector of industry.
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Compressive Strength and Costs of Sandcrete Blocks and
quarry dust samples respectively. The quarry dust sample contains 11.8% of silt/dust size particles and 4.4% of gravel size particle, while the river sharp sand contains 9.2% of silt/dust size particle, with no particle coarser than sand size. Consequently, the quarry dust sample has greater quantity of silt/dust particle size than the river
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Granite Deposits in Nigeria with their Locations and Uses
Nigeria Quarry Mining and Processing Companies. There are many quarrying mining and processing companies in Nigeria, West Africa. Some of these companies are CiBi Nigeria Limited, Stone World Mining Limited, Crushed Rock Industries Limited, Penuel Granite and Mining Company, etc.
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Grading Of Quarry Dust
Quarry Rock Dust can be defined as residue, tailing or other non- valuable waste material after the extraction and processing of rocks to form fine particles less than 4.75mm.The amount of additional paste content depends on shape, texture, grading and dust content ofthe sand.
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Dust Accumulation, Heavy Metal Content and Stomata
Aims: This study evaluated the effect of rock quarrying on dust accumulation, heavy metal content and stomata features of some medicinal plants at Lokpaukwu, Nigeria. Place and Duration of Study: Sample collection was carried out at the quarry sites in Lokpaukwu,
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Strength and Durability Properties of Concrete Containing
2BTStruct & Partners (Civil & Structural Engineers), Bodija, Ibadan, Nigeria Abstract: Quarry rock dust is investigated as fine aggregate in replacement with sand in cement concrete admixture, as the properties of the rock dust are suspected to be as good as sand. This Paper presents the practicability of using quarry rock dust as partial replacement for river or sharp sand using
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ASSESSING QUARRY DUST AS A POSSIBLE REPLACEMENT OF
ASSESSING QUARRY DUST AS A POSSIBLE REPLACEMENT OF RIVER SAND IN HOLLOW BLOCKS Nuruddeen Muhammad Musa*, Zaharaddeen Baffa Baba and Sulaiman Muhammad Department of Civil Engineering, Kano University of Science and Technology, Wudil Kano State, Nigeria *Corresponding author: [email protected] Received: April 10, 2018 Accepted: July 30,
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OPTIMIZING COMPRESSIVE STRENGTH CHARACTERISTICS OF
Granite rock is abundant in Nigeria giving rise to many quarry sites with large heaps of quarry dust. Hence, quarry dust can be reasonably used as alternative to river sand. Also, Shahul et al [11] observed that natural sand is usually not graded properly and has excessive silt, while quarry rock dust does not contain silt or organic impurities and can be produced to meet desired gradation and
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Compressive Strength and Costs of Sandcrete Blocks and
blocks made with quarry dust in Nigeria: A Case study of Abakaliki Quarry Ikechukwu, U. F. Department of Building, Imo State University Owerri, Imo State, Nigeria. E-mail: [email protected] ABSTRACT This work focus on the analysis of compressive strength and cost of sandcrete blocks and blocks made with quarry dust. It adopted the combination of survey and
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Critical Issues of Sustainability Associated with Quarry
state projected from Index map of Nigeria. Benefits and problems of hard rock quarry Rock quarry has been in Iyuku for about two decades. There are seven quarries in Iyuku community, with only three currently active. These quarries produce aggregates for road bases and for concrete. Rock quarry is the major business in Iyuku because its operations and activities has brought economic
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Environmental Challenges of Quarry Activities in Part of
paramount in Nigeria and Africa (Omosanya and Ajibade, 2011). Solid materials in the form of smoke, dust and also vapour generated during quarrying operations are usually suspended over a long period in the air. Moreover, particulate matters in the air are capable of being transported from the point of generation to areas far remote (United Nations Environment Programme, 1991b). Once particles
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Assessment of Environmental Impacts of Quarry Operation in
Assessment of Environmental Impacts of Quarry Operation in Ogun State, Nigeria Mbuyi M. Melodi Department of Mining Engineering, Federal University of Technology, Akure, Nigeria [email protected] Abstract The study investigated the environmental effects of quarry operations in Abeokuta, Ogun state, while it specifically sought to identify corresponding environmental impacts
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Effect Of Dust On Some Liver Parameters Among Quarry
Quarry dust is the inorganic substance given off as fine dust particles in the air during quarrying process. It comprises of coal, carbon, asbestos, iron and mostly silica which has the greatest quantity among others. This dust is the most significant hazard in the quarry industry because the two Abstract: Quarry factory involves excavation of underground stones and crushing of them into
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Grading Of Quarry Dust
Quarry Rock Dust can be defined as residue, tailing or other non- valuable waste material after the extraction and processing of rocks to form fine particles less than 4.75mm.The amount of additional paste content depends on shape, texture, grading and dust content ofthe sand.
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Mpape Crushed Rock: Nigerians flock to new Abuja beauty
18/08/2020 Mpape Crushed Rock: Nigerians flock to new Abuja beauty spot. An abandoned quarry in Nigeria has become a tourist hotspot after images were posted on social media earlier this month. The rocky
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SPECIAL REPORT: Govt dithers as Premium Times Nigeria
24/09/2018 The serenity cast by the shadow of an imposing rock was an attraction for many of the about 5,000 people who built their homes in the area. But since a quarry
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Spatiotemporal Assessment of Quarry Sites in Mpape Abuja
ironstone, slate, granite, rock salt and phosphate rock [1]. Quarry is a large artificial hole in the ground where stone, sand, etc. is dug for use as building material [2]. Quarries are places where materials are extracted from the surface of the earth [3]. Stone quarrying is the multistage process by which rock
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Pulmonary Problems among Quarry Workers of Stone Crushing
Abstract. Background: Respiratory problem is one of the major health hazards in dust-exposed workers; it is a major cause of morbidity and mortality all over the world. Objective: To determine the prevalence of respiratory problems and lung function impairment among quarry workers in Ebonyi State, Nigeria. Methods: Respiratory problems and lung function were studied in 403 quarry workers aged
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Effect Of Dust On Some Liver Parameters Among Quarry
Quarry dust is the inorganic substance given off as fine dust particles in the air during quarrying process. It comprises of coal, carbon, asbestos, iron and mostly silica which has the greatest quantity among others. This dust is the most significant hazard in the quarry industry because the two Abstract: Quarry factory involves excavation of underground stones and crushing of them into
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Cost of Sand and Stones per Ton in Nigeria 2021 Beta Prices
21/07/2021 Depending on the degree of rock disintegration, Quarry or Manufactured sand. These are artificial sands gotten during crushing of stones to produce fine aggregates of uniform grain shapes. In some cases, they are called stone dusts and are used for constructing pavings. It contains no organic material (impurities) as the source previously discussed. During its production, quality control
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Partial Replacement of Sand by Quarry Dust in Concrete
NIGERIA) 4. [5]According to the value of compressive strength collected, the value is high and it show that quarry dust suitable to use as sand replacement. All the value of compressive strength surpasses the minimum value of compressive strength for normal concrete that is 7N/mm . So, quarry dust can apply as sand replacement in concrete mix for construction industry. V. FUTURE SCOPES
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(PDF) Partial Replacement of Sand by Quarry Dust in
The value [4] UNIVERSITY OF TECHNOLOGY, CALABAR, NIGERIA) of strength for 28 days higher than the strength for 7 (2.DEPARTMENT OF CIVIL ENGINEERING, RIVERS STATE days. (refer Table6,7) UNIVERSITY OF SCIENCE AND TECHNOLOGY, PORT HARCOURT, NIGERIA) 4. According to the value of compressive strength [5] STRENGTH AND DURABILITY PROPERTIES OF CONCRETE CONTAINING QUARRY ROCK DUST
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Grading Of Quarry Dust
Quarry Rock Dust can be defined as residue, tailing or other non- valuable waste material after the extraction and processing of rocks to form fine particles less than 4.75mm.The amount of additional paste content depends on shape, texture, grading and dust content ofthe sand.
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Characteristic studies on the mechanical properties of
Quarry dust is a waste obtained during quarrying process. It has very recently gained good attention to be used as an effective filler material instead of fine aggregate. In the present study, the hardened and durable properties of concrete using quarry dust were investigated. Also, the use of quarry dust as the fine aggregate decreases the cost of concrete production in terms of the complete
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