رسالة على الانترنت
المزيد من المعلومات
2021.9.27 Quarry dusts, back fillers, and selected by-products were studied as fillers to HMA. • Blending quarry dusts with portland cement or talc produces high-quality fillers. • All
Read More
2021.5.10 Millions of tonnes of quarry dust waste produced every year are not disposed properly, resulting in environmental pollution as well as serious health hazards. Hence, an
Read More
2024.4.10 Abstract. The exposure to respirable crystalline silica found in granite dust presents significant health hazards to quarry workers and nearby communities, including
Read More
2022.1.1 Abstract. The production of aggregate for use in concrete production yielded a significant amount of fines fraction during the crushing operation at the quarry. The fines
Read More
2023.9.28 deposits, quarry dusts are considered one of the widely used and cost-effective ground improvement techniques. They perform the fundamental functions of reinforcing and
Read More2022.1.1 Abstract. The production of aggregate for use in concrete production yielded a significant amount of fines fraction during the crushing operation at the quarry. The fines
Read More
2020.12.1 Abstract. Each year, a large amount of quarry dust (QD) waste is disposed into landfills. This waste material was obtained as a by-product during the production of
Read More
2022.4.13 This study has established that quarry soil-dusts have threatening effect on the environment and human health and there is a major connection between potentially harmful
Read More
2012.1.1 Since the introduction of quarry dust improves the engineering behavior of soils, this review work exposes those qualities and applications that make quarry dust a good replacement or admixture...
Read More
Effects of Quarry Dusts on the Electrocardiogram of Quarry Workers in Abakaliki Metropolis Abstract. Ottah-Umahi G, Ezeja GU*, Anwara C, Agwu UM, Onwudiwe CU, Nwodo DO, Okorocha AE, Ugwu O and Okike PO. Associations between high level of occupational dust and cardiovascular diseases have been known for more than half a century.
Read More
2017.2.15 Large amounts of powders have been collected in quarries and the storage of these by-product dusts is a serious environmental concern. In this paper, the effects of limestone filler, diabase, and gneiss quarry powders on the properties of fresh cement pastes were investigated. The influence of the mineralogy and particle size distribution was evaluated by
Read More
2022.4.13 Quarrying of rocks and minerals has contributed to the economic development of many nations. However, dusts generated from these quarries have caused environmental and health challenges. Health risk assessment of the environments around quarries in southwestern Nigeria was, therefore, carried out to delineate the effects of quarrying on the environment.
Read More
2022.3.7 Quarry workers need to be encouraged to adopt cardiovascular health safety strategies and also, be educated on quarry dusts hazards. Figure1. Comparison of ECG Intervals between quarry workers and ...
Read More
2021.9.27 Typical quarry dusts have coarser grading than the two ground materials; the lowest volume of voids was detected for the Plešovice quarry dust blended with portland cement and blast furnace slag from Třinec. ... Journal of Materials in Civil Engineering, 22 (2010), pp. 667-673, 10.1061/(asce)mt.1943-5533.0000064.
Read More
2012.12.1 In the study the following materials were used: CEM I 52.5 N conforming to European Standard EN 197-1, sea dredged natural sand from Bristol channel conforming to British Standard BS EN 12620:2002, 4/20mm crushed limestone coarse aggregate, and sands produced from quarry dusts using the V7 dry manufacturing system. Notation
Read More
INTERNATIONAL JOURNAL OF CIVIL AND, INTERNATIONAL JOURNAL OF CIVIL AND STRUCTURAL ENGINEERING Volume 1,No 3,2010,compressive strength of quarry dust concrete was compensated by the inclusion of fl y as into the concrete mix,crusher dust replacement with sand.Stone Dust as Fine Aggregate Replacement in Concrete: Effect onJan
Read More
2022.7.22 JETIR2204648 Journal of Emerging Technologies and Innovative Research (JETIR) jetir g318 Partial Replacement of Fine Aggregate with ... Red earth and quarry dusts showed good prospect as alternative to the use of river sand in sandcrete block production for developing nations. ...
Read More
2021.5.10 Expansive soils can cause significant distress in pavement construction because of their swelling and shrinking nature. One such method to control this problem is addition of stabilising agent to the expansive soil. Millions of tonnes of quarry dust waste produced every year are not disposed properly, resulting in environmental pollution as well as serious health
Read More
2014.6.23 Magdy A. Abdelaziz, Saleh Abd El-Aleem, Wagih M. Menshawy, 2014, Effect of Fine Materials in Local Quarry Dusts of Limestone and Basalt on the Properties of Portland Cement Pastes and Mortars, INTERNATIONAL JOURNAL OF ENGINEERING RESEARCH TECHNOLOGY (IJERT) Volume 03, Issue 06 (June 2014),
Read More
different quarry dusts by studying the physical and chemical properties, workability of the quarry dust concrete, with different ratios of 0%, 20%, 30%40% for M20 grade of concrete behavior of quarry dust reinforced cement concrete beams, Sieve analysis was conducted for quarry dust and sand. Mix design has been developed using
Read More
2024.9.3 This paper presents a laboratory investigation into the efficacy of quarry dust as an additiveforenhancing the strength characteristics of black cotton soil. Based on the AASHTO classification system and the USCS, the studied soil belongs to A-7-6(12) and CH respectively, implyingthat the soil is unfit for engineering purposes. The modification of the soil was carried
Read More
学术范收录的Journal Effect of Fine Materials in Local Quarry Dusts of Limestone and Basalt on the Properties of Portland Cement Pastes and Mortars，目前已有全文资源，进入学术范阅读全文，查看参考文献与引证文献，参与文献内容讨论。学术范是一个在线学术 ...
Read More
2023.6.12 International Journal of Innovative Research in Computer Science Technology (IJIRCST) ISSN: 2347-5552, Volume-8, Issue-6, November 2020 ... different quarry dusts by studying the physical and chemical properties, workability of the quarry dust concrete, with different ratios of 0%, 20%, 30%40% for M20 grade of concrete behavior of quarry ...
Read More2024.6.18 ash and quarry dusts are partially replaced in concrete up to 50% means it improve the strength of the fly ash concrete and also this is one of the way to detect the problems placed in construction side lack of raw materials (TABLES
Read More
Journal of Osteoporosis and Physical Activity Open Access. ISSN: 2329-9509 +44 7868 792050. Journal Home. Editorial Panel . Editor-in-Chief Editorial Board. Instructions for Authors . Instructions for Authors Publication ethics malpractice statement. Submit Manuscript Articles in process Archive.
Read More
2022.4.21 The quarry dust, the by-product, was never used in India instead of river sand earlier because of the different quality. Various rock types produce different types or different qualities of quarry dusts due to the inclusion of their fresh minerals. Also, it has non-uniformity and similarity to river sand.
Read More
2024.7.18 Quarry is a business-to-business magazine and a valuable reference tool positioned as a must-read for quarry operators, recyclers and members of the extractive industries.
Read More2022.9.22 Filler's presence in hot-mix asphalt (HMA) is even though minimal but they do affect its durability characteristics. Many natural and waste materials in the form of fillers have been studied for their effectiveness on HMA mix design and performance characteristics.
Read More
2018.11.13 Most suitable rock types for quarry dust manufacture 215 Journal of the National Science Foundation of Sri Lanka 36 (3) September 2008 Abstract: The construction industry of Sri Lanka expects a ... Properties of quarry dusts mainly depend on the properties of the parent rock such as chemical and mineralogical composition, physical and chemical ...
Read More
المزيد من المعلومات
حقوق حقوق التأليف والنشر: رقم التدوين Development Buide 10200540 -22. خط الخدمة: 0371-86549132. E-mail：[email protected] العنوان: الرقم البريدي رقم 169 Second Avenue Avenue New Avenue: Chengzhou الصين: إحصاءات الموقع الشبكي 450001.
