— Concrete with Marble powder & Quarry dust 215 Test on hardened concrete According to IS 516 1959 [11] test of compressive strength and split tensile strength were performed on of addition on anti corrosion factor is not obvious SCC with crusher sludge fly ash and micro silica The Indian Concrete Journal 79 8 32 37
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called silica dust SILICA DUST AND CANCER Silica dust is harmful when it s breathed in; it is 100 times smaller than a grain of sand so you can be breathing it without knowing This can lead to silicosis chronic obstructive pulmonary disease kidney disease and lung cancer It is estimated that each year 230 people develop lung cancer
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— Green concrete is concrete made up using industrial wastes such as marble powder quarry dust wood ash paper pulp etc Green concrete which is capable of sustainable development helps to
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This paper presents the feasibility of the usage of quarry rock dust and marble sludge powder as hundred percent substitutes for natural sand in concrete An attempt has been made to durability studies on green concrete compared with the natural sand concrete It is found that the compressive split tensile strength and durability studies of
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— prepared using quarry dust powder QDP silica fume SF plus QDP or only fly ash FA Trials were conducted to assess the proportions of QDP SF QDP or FA required for producing SCC meeting the flow criteria SCC specimens were prepared and tested for compressive strength pulse velocity split tensile strength
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— 40 wt% of stone dust and silica sand Table 2 Body Formulation Batches Composition wt % Kaolin Silica Sand Quarry Dust A 1 40 10 50 A 2 40 20 40 A 3 40 30 30 A 4 40 40 20 A 5 40 50 10 B 1 50 10 40 B 2 50 20 30 B 3 50 30 20 B 4 50 40 10 The raw material was ground into fine powder form and mixed in different proportion to
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— The use of Silica Fume SF in short period of time had one of the most dramatic impacts on the industry s ability to routinely and commercially produce SF modified concrete of flowable in nature
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— Studies on durability properties of concrete with quarry dust are also conducted Corrosion activation is not seen in samples with 8% quarry dust even after 990 days of exposure The chloride permeability in SCC specimens having Quarry Dust powder and Fly Ash is normal and it is low in the specimens with Quarry Dust powder and Silica
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— The exposure to respirable crystalline silica found in granite dust presents significant health hazards to quarry workers and nearby communities including silicosis and various respiratory ailments This study evaluates the efficacy of various pollution control measures implemented in granite quarries It aimed to provide a comprehensive critical
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— Silica dust is made up of small particles that can become airborne during work activities with materials that contain silica Particles that are small enough to be inhaled deep into the lungs are called respirable Quarry work Tunneling There are various industries where workers can have jobs at risk for RCS exposure Examples include
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— The effect of silica fume on the fresh and hardened properties of fly ash based self compacting geopolymer concrete SCGC was investigated in this paper The work focused on the concrete mixes with a fixed water to geopolymer solid W/Gs ratio of by mass and a constant total binder content of 400 kg/m3 The mass fractions of
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Dehwah "Corrosion resistance of self compacting concrete incorporating quarry dust powder silica fume and fly ash " Construction and Building Materials vol 37 pp 277 282 2012 [12] N Khan and R Chandrakar "An Experimental study on uses of Quarry Dust to replace sand in concrete " 2017 [13]
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— Devi M and Kannan K 2011 Strength and Corrosion Resistive Properties of Concrete Containing Quarry Dust as Fine Aggregate with GGBFS Advanced Materials Research Trans Tech Publications 243 249 5775 5778
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The disposal of industrial wastes comprises one of the major worldwide environmental problems as these wastes render the environment unfriendly The growing demand for waste utilization has made solid wastes like materials from granite processing
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— Quarry dust This material was obtained from the rich deposit at Mark Sino quarry site at Akamkpa local government area of Cross River State and it is a local government located in the Southern
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— The concept of replacement of natural fine aggregate by quarry dust which is highlighted in the study could boost the consumption of quarry dust generated from quarries By replacement of quarry dust the requirement of land fill area can be reduced and can also solve the problem of natural sand scarcity The availability of sand at low cost as
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— Physico mechanical and corrosion behavior of acid resistant bricks developed from quarry waste silicate residues using powder metallurgy fine residue with 10 50 wt% of stone dust and silica
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For example limestone or marble 2 per cent silica content has significantly lower silica levels than engineered stone 90 per cent silica content Engineering controls Wet working which involves suppressing dust and accelerating the weathering process of silica which reduces toxicity
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