Studies have found that very finely ground glass aggregate used in place of sand actually increases the strength of the concrete whereas gravel sized glass aggregate decreases strength Mixing fine and coarse glass aggregates can have a net effect of zero rendering concrete no stronger or weaker than that mixed with traditional sand and gravel
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— M sand was used in this project as a fine aggregate with an all out size of µm is confirming to zone II grade Graded crushed rock is used as a coarse aggregate throughout this project As per IS 2386 1963 [5 6] and IS 383 2016 two sizes of coarse aggregate were used First the 25 mm passing through 20 mm retained and 16 mm
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— It is reported that fine aggregate of limestone can reduce the drying shrinkage in concrete [5] Mix proportions of fine aggregate were varied as listed in Table 4 Except the ratios of fine limestone and mountain sand the amount of other materials of cement and coarse aggregate kept constant Table 5 shows all mixture proportions of
— concrete To meet the ever rising demand for fine aggregate in the construction industry sea sand can be used Since sea sand is available in abundant quantity it can be used as an alternative for river sand Researchers say that using sea sand as a replacement for river sand would
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— 1 Introduction Beside water sand is the second most used natural resource on earth Wesley and Puffer 2019 Globally 15 billion tons of sand is consumed every year of which 10 billion tons are destined for concrete production as fine aggregate Guo et al 2020 The present concrete manufacturing to meet the infrastructure needs has led to
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— Fine Aggregate Quartz sand is used as fine aggregate in this study Quartz sand is the most abundant silica mineral The research proved that using quartz sand as a replacement for sand is an economical solution for making the concrete resistant to weathering The test procedure is taken from code IS 2720 1980 part 3 Table
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— This article presents high strength self compacting concrete including quartz sand QS and marble sludge powder MSP used as a partial replacement of fine aggregate M sand The substitution impact of QS and MSP on the strength of HSSCC is investigated Further V funnel L box slump flow J ring and slump cone are used to
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— The current investigation is preceded with fractional replacement of cement with granite dust at different proportions of 0% 5% 10% 15% and 20% by weight of the cement for M30 grade of concrete and 50% replacement of natural sand with the manufactured sand as a fine aggregate The super plasticizer used in the current study is
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— Quartz rich rocks like quartzite and quartz sandstone are often used as building stones and some colored quartz varieties are used as ornamental and semi precious stones By volume though the bulk of all commercially mined quartz is used in the construction industry as aggregate for concrete and as sand in mortar and cement
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— Sand The Fine Aggregate Natural sand is a weathered and worn out particle composite derived originally from primary igneous and secondary metamorphic and sedimentary rocks The sand that is to be used in construction purposes must have proper gradation of particles from 150 microns to mm Plate When fine
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— The scarcity of natural resources for the manufacturing of cement and the depletion of natural sand deposits led to the demand for looking into alternatives for cement and sand The objective of the present research work is to develop a sustainable alkali activated concrete by replacing the cement with alkali activated slag and partially
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— The obtained results show that the crushed seashells 0/5 mm class can be used as the fine aggregate for self compacting mortar without affecting the essential properties of mortar However the flowability of mortars based 100% of seashells was better and is suitable for a fluid concrete as a self compacting concrete
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The process involves pouring molten metal into a sand filled mold eventually hardening and creating the desired form The type of sand used in this process is highly important as it must withstand the intense heat generated by the molten metal Different types of sand can be used depending on the project and the nature of the metal being poured
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