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STUDY ON THE PERMEABILITY OF THE RECYCLED AGGREGATE CONCRETE

STUDY ON THE PERMEABILITY OF THE RECYCLED AGGREGATE CONCRETE USING FLY ASH V. Bhikshma, Osmania University, India K. Divya, Osmania University, India 37th Conference on OUR WORLD IN CONCRETE & STRUCTURES: 29 - 31 August 2012,

Using Microwave Heating to Completely Recycle Concrete

in the coating layer of the original coarse aggregate (OCA) surface and cement matrices at the interfacial transi-tion zone (ITZ), which is the weak part of concrete. Thus, recycled coarse aggregate (RCA) can be recovered for concrete structures because the mechanical performance of the concrete is improved, as shown in gure 2(a) Fi and Figure 2(b)

Sustainable Management of Waste Coconut Shells as Aggregates

Journal of Engineering Science and Technology Review 6 (5) (2013) 7-14 Research Article Sustainable Management of Waste Coconut Shells as Aggregates in Concrete Mixture Tomas U. Ganiron Jr School of Engineering, Auckland University of Technology, New Zealand Received 26 June 2013; Accepted 16 December 2013

Influence of Fly Ash as Cement Replacement on the Properties

Influence of Fly Ash as Cement Replacement on the Properties of Recycled Aggregate Concrete. The use of high percentages of recycled aggregates in concrete would usually worsen the concrete properties.

Recycling of Waste Concrete and Fly Ash for Recycled

It I finally conclude that the recycled concrete aggregate can be successfully used in the construction field and the recycling rate of waste concrete and flay ash should be increased without ...

Recycled Aggregate - an overview

Recycled aggregate is defined as aggregate resulting from the processing of inorganic or mineral material previously used in construction (BS EN 12620, 2013; MPA, 2013). When consisting mainly of crushed concrete, it may be classified as recycled concrete aggregate (RCA).

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Use of Recycled Aggregates in Construction

6 Use of Recycled Aggregates in Construction 1 INTRODUCTION 1.1 General There is increasing demand and interest in aggregates from non-traditional sources such as from industrial by-products and recycled construction and demolition (C&D) wastes.

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Concrete recycling

When structures made of concrete are demolished or renovated, concrete recycling is an increasingly common method of utilizing the rubble. Concrete was once routinely trucked to landfills for disposal, but recycling has a number of benefits that have made it a more attractive option in this age of greater environmental awareness, more environmental laws, and the desire to keep construction ...

Development of sustainable construction material using

Recycled fresh concrete waste (FCW), when used as coarse aggregates in concrete reduces mechanical properties of concrete. A 30% replacement and low W/C ratio resulted in concrete with a target 28-day compressive strength of 40 MPa12. Concrete produced with recycled coarse aggregate showed a reduction in the compressive

Fly Ash and Recycled Coarse Aggregate in Concrete: New Era for

The markets for recycled concrete aggregate are wide. According to Environmental Council of Concrete Organization, recycled concrete aggregate can be used for sidewalk, curbs, bridge substructures and superstructures, concrete shoulders, structural fills. It

Influence of bagasse ash and recycled concrete aggregate on

This research aimed to use of bagasse ash as a cement replacement in high-strength recycled aggregate concrete (HS-RAC). Crushed limestone was replaced with 100% recycled concrete aggregate (RCA) and the ground bagasse ash (GBA) was used to partially replace ordinary Portland cement (OPC) at 20, 35 and 50%wt of binder to cast HS-RAC.

Strength, Elastic Modulus, and Creep of High Strength

Jun 24, 2018 · In this study, the mechanical properties of a high-strength recycled concrete (HS-RC) incorporating ground bagasse ash (GBA) were evaluated. Recycled coarse aggregate (R-CA) from concrete demolition was used as a full replacement for natural coarse aggregate (N-CA).

seminar report on waste and recycled materials in concrete

seminar projects thread methods test aggregates concrete, presentation on waste and recycled materials in concrete technology, use of recycled aggregates in concrete in ppt, use of recycled concrete aggregates ppt, concrete incorporating founfry sand as fine aggregates, use of recycled aggregates in concrete seminar report, abstract for ppt on ...

Study on Bagasse Ash As Partial Replacement of Cement in Concrete

Jul 14, 2017 · Study on Bagasse Ash As Partial Replacement of Cement in Concrete 1. International Journal of Engineering Research and Development e-ISSN: 2278-067X, p-ISSN: 2278-800X, www.ijerd.com Volume 13, Issue 1 (January 2017), PP.01-06 1 Study on Bagasse Ash As Partial Replacement of Cement in Concrete Lathamaheswari, R., Kalaiyarasan, V andMohankumar, G Department of Civil Engineering, Arunai ...

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Review Article ASSESSMENT OF RECYCLED AGGREGATE

Journal of Engineering Research and Studies E-ISSN 0976-7916 JERS/Vol.II/ Issue I/January-March 2011/1-9 Review Article ASSESSMENT OF RECYCLED AGGREGATE CONCRETE Parekh D. N.1 and Dr. Modhera C. D.2 Address for

Effects of Wood Ash and Waste Glass Powder on Properties of

Belachia, M. and Hebhoub, H. (2011) Effects of Recycled Aggregates on Fresh Concrete. Indian Journal of Science and Technology, 3, 11-19. Goliya, H.S. and Mahajan, M. (2008) Effects of Glass Powder and Pond Ash on Concrete Strength. International Journal on Design and Manufacturing Technologies, 3, No.3.

Recycled coal ash makes better concrete

Coal ash is the residual solid waste produced by burning coal. Although a portion of it can be exploited as loose but reactive fill material to replace concrete, millions of tons of the stuff still end up in landfills each year. Civil engineer Yaghoob Farnam (Drexel University), his doctoral student Mohammad Balapour, and coworkers from Drexel, NIST, and the University of Antwerp have now ...

Enhancing mechanical properties of concrete prepared with coarse recycled aggregates: The IES Journal

The recycling of concrete is an important means to a sustainable material flow. The limited reuse of recycled aggregates is due to the lower quality of concrete production. Various methods have been attempted to minimise the negative effect. In this paper, the effect ...

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Evaluation on the Fluidity and Strength of Recycled Aggregate

Chun Ho Kim, Nam Wook Kim, Evaluation on the Fluidity and Strength of Recycled Aggregate Concrete with High Quality Fly Ash as Industrial Byproduct, Journal of Civil, Construction and Environmental Engineering. Vol. 4, No. 5, 2019, pp. 87-93.

Properties of sustainable concrete containing fly ash, slag

The approach taken was to make material substitutions so that the environmental, energy and CO 2-impact of concrete could be reduced. This was accomplished by partial replacement of cement with large volumes of fly ash or blast furnace slag and by using recycled concrete aggregate. Five basic concrete mixes were considered.

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global concrete corporatoon

Global Concrete Volume • All Uses = • 11 Billion tons • 5.3 Billion cubic yards • Berkeley California 2016 • Thermal Management Required • Mass Pour, thick non-mass pour placements > 2ft thick, Hi strength/hot loads total to 10 - 15% of usage • 1.65 Billi

Effect of Admixed Recycled Aggregate Concrete on Properties of Fresh and Hardened Concrete

Effect of Admixed Recycled Aggregate Concrete on Properties of Fresh and Hardened Concrete Recycled aggregate (RA) obtained from crushed concrete rubble, instead of being stored, can be reused in building industry. An attempt has been made to study the

Recycled Aggregates in Concrete • Aggregate Research

Recycled Aggregates (www.cement.org) — Construction materials are increasingly judged by their ecological characteristics. Concrete recycling gains importance because it protects natural resources and eliminates the need for disposal by using the readily available concrete as an aggregate source for new concrete or pavement sub-base layers.