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  • What are other alternatives for aggregates in concrete ...

    1) EPS: Expanded Polystyrene plays a very unique role in concrete. Research has shown that concrete with this material behaves very similarly to light weight concretes containing traditional aggregates. This is believed to be the case because the ...

  • (PDF) Decision on coarse aggregates borrow sources

    study of coarse aggregate for Sangabad reservoi r dam in Iran. Keyw ords: mineral coarse aggr egates; borrow sour ce, multi attribute decision-making, fuzzy sets 1.

  • ALTERNATIVE SOURCES OF AGGREGATES

    2004-3-26  Natural Environment Research Council, Polaris House, ... BRITISH GEOLOGICAL SURVEY . i Preface Throughout the developing world river sand and gravel is widely exploited as aggregate for construction. Aggregate is often mined directly from the river channel as well as from floodplain ... consist of interbedded, poorly sorted, coarse gravels and ...

  • Decision on Coarse Aggregates Borrow Sources of Concrete

    study of coarse aggregate for Sangabad reservoir dam in Iran. ... alternatives for evaluating the borrow sources. For instance, if ... Science and Research Branch, Islamic Azad University, Tehran ...

  • EXPERIMENTAL STUDY ON PARTIAL REPLACEMENT OF

    2018-11-5  ingredient in concrete thus offering alternatives to preserve natural coarse aggregate for future generation. Seashell is mainly composed of calcium and the rough texture make it suitable to be used as partial coarse aggregate replacement which provides an economic alternative to the conventional materials such as gravel.

  • Research on Properties of Recycled Coarse Aggregate ...

    The performance of recycled coarse aggregate has significant effects on recycled concrete. The performance of recycled coarse aggregate were tested according to Recycled coarse aggregate for concrete (GB/T 25177-2010). The Result showed that the recycled coarse aggregate grading in accordance with regulation requirements, and compared with the natural coarse aggregate: high

  • Concrete aggregate alternatives - Appropedia: The ...

    2020-7-7  Alternatives to the Traditional Aggregate If there were criterion for a solution for the issues held by concrete, it would meet the following: Low tech, widely available, and be an improvement. A solution would need to be low tech because application needs to not require expensive tools.

  • Effect of Lightweight Aggregate on the Flexural Behaviour ...

    2016-11-28  Concerns about the depletion of Natural Coarse Aggregate (NCd A) an increase in self-weight of building with height, have led to the adoption of several alternatives, like lightweight oarse aggregates (LCA). In C this research work, a study was conducted to replace NCA by fly ash based LCA in SCC based on target compressive strength. An

  • STUDY OF RUBBER AGGREGATES IN CONCRETE AN

    2018-11-5  coarse aggregate in the concrete. Concrete tested with varying percentages of rubber from 0 to 15% of normal aggregates. Compressive strength, of concrete is measured and comparative analysis is made. 1. Introduction During the last three decades, there have been dramatic changes in the way of thinking about industrial

  • Concrete using agro-waste as fine aggregate for ...

    2016-12-1  Further research work is required regarding these agro-wastes as a fine aggregate replacement in concrete to confirm the strength variation and thermal property. 10. Conclusion. Literature and experimental studies on fine aggregate replacement by agro-waste in concrete, self-compacting concrete and mortar have been reviewed.

  • Use of Waste Ceramic Tile Aggregates as an Alternative ...

    2019-7-1  coarse aggregates. Tests for compressive strength of specimen were carried out at different ages of concrete. From different test results, we concluded that in M-20 and M-25 mixes up to 20% replacement of normal 20 mm coarse aggregate with waste ceramic tile aggregates, there is no significant effect on

  • A Review of Partial Replacement of Fine Aggregate

    2017-10-11  aggregate coarse aggregate. Concrete is the mixture of various materials coarse aggregate, fine aggregate, cement water, each of them is mixed in various proportions to achieve specific strength. Cement being the most important material plays an important role in the manufacturing of concrete. Waste glass in the form of fine

  • Improvement of Mechanical Properties of Waste Glass

    2016-9-9  as alternatives for coarse aggregates due to high cost of this aggregate. The glass aggregate used in this study is more durability due to its impermea-bility for water, high strength and angular tapered edges. These characteristics give high bond [1]. In addition to what mention above, the using re-cycled glass as aggregate can also greatly ...

  • Special Issue "New Trends in Recycled Aggregate

    The test results indicated that recycled coarse aggregate concrete (RAC) showed a lower performance than crushed stone aggregate concrete (CAC) because of the adhered mortars in RA. However, it was obvious that the addition of NF in RAC mixes was much more effective in enhancing the performance of the concretes due to the crack bridging effect ...

  • Chapter 3 - Aggregate Sampling, Testing, and Quality ...

    The alternatives included in Figure 3-1 are considered as the first stage in aggregate quality assurance since in case of a dispute, private testing laboratories or third parties are often hired to confirm the results. ... Yi et al. (2012) indicated that using SFS as a coarse aggregate in HMA enhances the mechanical properties and using SFS in ...

  • alternate materials for aggregates « Mining

    Concrete aggregate alternatives – Appropedia: The sustainability wiki. 19 Dec 2012 Based on the findings from the list of materials, concrete with expanded polyethylene instead of Our crusher rock is the best alternative for aggregate »More detailed

  • Coarse Aggregate: Definition Density - Video

    Coarse aggregate is also described by its bulk density, which is a property that can easily be tested in the laboratory. The standard testing procedure for this is the American Society of Testing ...

  • “RECYCLED PLASTICS USED AS COARSE AGGREGATE FOR ...

    2014-12-17  up to 30% (as a replacement for coarse aggregate) in it is concrete. Hence recommended for light weight concrete structures. • The mechanical properties of theRPC did not display any notable differences depending on the color of the plastic waste. • This research also has potential application for the production of lightweight concrete,

  • Literature Review on Different Plastic Waste Materials Use ...

    2018-6-19  Natural aggregate), low specific gravity(0.9 as compare to 2.74 for Natural aggregate), and density value(0.81 as compare to 3.14 for Natural aggregate), as compare to Natural coarse aggregate. Their test results were based on 20% substitution of natural coarse aggregate with plastic aggregate.

  • Recycled construction and demolition concrete waste

    2013-12-1  Different amounts of replacement of NA with RCA (0%, 25%, 50%, 75% and 100%) were tested keeping the coarse/fine aggregate ratio constant. Superplasticizer content of 0% and 1.3% was used with variable water content to obtain concrete having a slump value of 10 ± 2 cm. Cement contents were 350, 400 and 450 kg/m 3 .

  • Study on Replacement of Coarse Aggregate by E-Waste

    2019-7-1  coarse aggregate it have forced the civil engineers to find out suitable alternatives to it. E- waste is used as one such alternative for coarse aggregate. Owing to scarcity of coarse aggregate for the preparation of concrete, partial replacement of E-waste with coarse was attempted. The work was conducted on M20 grade mix.

  • Special Issue "New Trends in Recycled Aggregate

    The test results indicated that recycled coarse aggregate concrete (RAC) showed a lower performance than crushed stone aggregate concrete (CAC) because of the adhered mortars in RA. However, it was obvious that the addition of NF in RAC mixes was much more effective in enhancing the performance of the concretes due to the crack bridging effect ...

  • EXPERIMENTAL STUDY ON PARTIAL REPLACEMENT OF

    2017-8-28  Innovative Research in Science, Engineering and Technology, Vol. 4, Issue 12, 2015. [4] J.Swathi, V.Gnanadevi, “An Experimental Investigation On Concrete By Partial Replacement Of Copper Slag For Fine Aggregate And Ceramic Waste With Coarse Aggregate”, International Journal of Emerging Technology in Computer

  • Effect of Geopolymer Aggregate on Strength and ...

    2019-5-28  Manufactured geopolymer coarse aggregate—A series of tests were conducted for manufactured geopolymer and natural aggregates in accordance with the relevant stan-dards. In each specific coarse aggregate test, three samples were tested and the mean value was reported. The aggregate crushing value and the aggregate impact value were exam-

  • Experimental Study of Crushed Palmyra Palm Shells As ...

    2015-10-29  alternatives to preserve natural coarse aggregate for the use of future generation. This paper investigates the performance of concrete mix in terms of workability and compressive strength upon addition of CPPS as partial replacement material for coarse aggregate. In previous research works, various types of waste materials have ...

  • alternate materials for aggregates « Mining

    Concrete aggregate alternatives – Appropedia: The sustainability wiki. 19 Dec 2012 Based on the findings from the list of materials, concrete with expanded polyethylene instead of Our crusher rock is the best alternative for aggregate »More detailed

  • Quantifying the Role of Coarse Aggregate Strength on ...

    2009-5-5  Research Performed in Cooperation with TxDOT and the Federal Highway Administration Research Study Title: The Role of Coarse Aggregate Point and Mass Strength on Resistance to Load in HMA. 16. Abstract Several methods are available to determine aggregate characteristics, but their relationship to field performance, aggregate

  • Partial Replacement of E-plastic Waste as Coarse

    2016-1-1  3) Coarse Aggregate - Crushed coconut shell aggregate of size between 12.5 mm to 20 mm in length and 2-8 mm thickness and Specific gravity- 2.825 and Free Water absorption=3.645% Table 3 as given the properties of Cement mentioned above.

  • Recycled construction and demolition concrete waste

    2013-12-1  Different amounts of replacement of NA with RCA (0%, 25%, 50%, 75% and 100%) were tested keeping the coarse/fine aggregate ratio constant. Superplasticizer content of 0% and 1.3% was used with variable water content to obtain concrete having a slump value of 10 ± 2 cm. Cement contents were 350, 400 and 450 kg/m 3 .

  • Green Concrete using GGBS, River Pebbles and CRF as ...

    2017-7-7  sand and coarse aggregates for making green concrete. This research evaluates the strength of hardened concrete, by partially replacing cement by various percentages of ground granulated blast furnace slag, natural sand by CRF and coarse aggregates by river

  • Experimental Study of Crushed Palmyra Palm Shells As ...

    2015-10-29  alternatives to preserve natural coarse aggregate for the use of future generation. This paper investigates the performance of concrete mix in terms of workability and compressive strength upon addition of CPPS as partial replacement material for coarse aggregate. In previous research works, various types of waste materials have ...

  • Research Paper Effect on Concrete by Metakaolin and ...

    2020-2-27  coarse aggregate from natural source for concrete. 9. MS Shetty-concrete Technology, S.Chand Publishing. manufacturing sand as alternatives ***** How to cite this article: Tummala Suresh Babu et. al. Effect on concrete by metakaolin and . International Journal of Research

  • Effect Of Crushed Coconut Shell And Polyethylene ...

    2 天前  This research is limited to studying the density, compressive strength and water absorption properties of concrete with polyethylene terephthalate and crushed coconut shell as coarse aggregate. 6 . GET THE COMPLETE PROJECT» Do you need help? Talk to us right now: (+234) 08060082010, 08107932631, 08157509410 (Call/WhatsApp). Email: edustoreng ...

  • alternate materials for aggregates « Mining

    Concrete aggregate alternatives – Appropedia: The sustainability wiki. 19 Dec 2012 Based on the findings from the list of materials, concrete with expanded polyethylene instead of Our crusher rock is the best alternative for aggregate »More detailed

  • EXPERIMENTAL STUDY ON REPLACEMENT OF COARSE

    2019-5-24  coarse aggregate. Owing to scarcity of coarse aggregate for the preparation of concrete, partial replacement of E-waste with coarse aggregate was attempted. The work was conducted on grade mix. The replacement of coarse aggregate with E-waste is in the range of 5%, 10%, and 20%. The influence of mineral admixture in strength achievement of

  • Research Paper AN EXPLORATION STUDY ON STONE

    2013-5-4  Patel et al, International Journal of Advanced Engineering Research and Studies E-ISSN2249–8974 IJAERS/Vol. II/ Issue III/April-June, 2013/35-38 cement, water, fine aggregate, coarse aggregate and grit. With the control concrete, i.e. 0%, 10%, 20%, 30%, 40%, and 50% of the (OPC and PPC) cement is replaced with stone waste.

  • Green Concrete using GGBS, River Pebbles and CRF as ...

    2017-7-7  sand and coarse aggregates for making green concrete. This research evaluates the strength of hardened concrete, by partially replacing cement by various percentages of ground granulated blast furnace slag, natural sand by CRF and coarse aggregates by river

  • Use of Quarry Dust to Replace Sand in Concrete – An ...

    2017-3-30  Coarse aggregate of 20mm maximum size is used in Reinforced cement concrete work of all types of structures. This is obtained by crushing the stone boulders of size 100 to 150mm in the stone crushers. Then it is sieved and the particles passing through 20 mm and retained on 10mm sieve known as course aggregate.

  • REINFORCED CONCRETE WITH COCONUT SHELL AS

    AIMS OF THE PROJECTA • 1.To determine various alternatives available for coarse aggregate. • 2.To carryout a detail analysis on coconut shells as a coarse aggregate in concrete. • 3.To prepare a methodology for the project its analysis. • 4.To enlist advantages short comes of coconut shell as a coarse aggregate material. • 5.To ...

  • Cement and Concrete Research - Journal - Elsevier

    2020-7-20  The aim of Cement and Concrete Research is to publish the best research on the materials science and engineering of cement, cement composites, mortars, concrete and other allied materials that incorporate cement or other mineral binders. In doing so, the journal will focus on reporting major results of research on the properties and performance of cementitious materials; novel experimental ...