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Recycling of Demolished Concrete and E-waste

Recycling of Demolished Concrete and E-waste S.P.Kale1, H.I.Pathan2 1, 2Assistant Professor, Civil Engineering Department, SMSMPITR Akluj, India Abstract: Concrete is the most widely used construction material all over the world in view of its compressive strength, high mouldabilty, structural stability and economic considerations.

Strength and Durability Evaluation of Recycled Aggregate Concrete

May 14, 2015 · This paper discusses the suitability of producing concrete with 100 % recycled aggregate to meet durability and strength requirements for different applications. Aggregate strength, gradation, absorption, specific gravity, shape and texture are some of the physical and mechanical characteristics that contribute to the strength and durability of concrete. In general, the quality of ...

Blast Furnace Slag:Concrete Benefits

Continued strength gainContinued strength gain ... Recycling of CoarseRecycling of Coarse Screen MaterialScreen Material ... Blast Furnace Slag:Concrete Benefits ...

Utilization of Demolished Waste as Coarse Aggregate in Concrete

Core samples for demolished concrete were tested to determine its compressive strength. The core test results can be thought of as aggregate properties for the new concrete. Then, the compressive strength and splitting tensile strength of the new recycled aggregate concrete (RAC) were determined experimentally by casting a cubes and cylinders, respectively.

Effects of combined usage of GGBS and fly ash on workability and mechanical properties of alkali activated geopolymer concrete

The natural coarse aggregates (NA) used were granite and the properties were reported in Table 1.The recycled coarse aggregates (RA) used in this study were the crushed waste concrete with a strength of 20–30 MPa from demolished civil buildings. The properties ...

Utilization of Demolish Brick and Marble Waste in Concrete

Fig. 2 Compressive strength of concrete with varying amount of demolished waste at 7 and 28days (c) Split Tensile Strength Split tensile Strength Test Result Shown in Table Below Table 3 Split tensile Strength Result Sr. No. Replacement in % Split tensile strength in N/mm2 28days Mix I 0 2.43 Mix II 10 2.15 Mix III 20 2.31 Mix IV 30 2.3

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Reuse of Waste Polyethylene Coated Recycled Concrete

Furthermore, core tests were performed on demolished concrete samples from columns and slabs. The average strength of old concrete from core tests was found to be around 2400 psi (16.5MPa). INTRODUCTION OBJECTIVES Ø To produce cost effective sustainable construction materials Ø To reuse waste plastic and demolition waste materials in

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Compressive Strength Analysis of Concrete made with

Compressive Strength Analysis of Concrete made with Demolished Aggregate within acceptable strain limit of Concrete. 1.1 Introduction Concrete used for residential purposes is around 2,500 psi (17 ...

Strength and Durability Properties of Alkali Activated Slag

b) geopolymer concrete 78 Figure 4.19 Strength development of blended GGBS-OPC and AAS concrete 81 Figure 4.20 Strength development of FA-based geopolymer concrete 81 Figure 4.21 Rate of absorption vs square root of time for blended concrete 82 Figure 4.22 Rate of absorption vs square root of time for AAS concrete 83

Strength, Economic and Sustainability Characteristics of Coal

The strength of geopolymer concrete using fly ash is studied and effect of replacement on the strength of fly ash– GGBS based geopolymer concrete is discussed along with cost and environmental impact analysis. 4.1. compressive Strength Fly ash based geopolymer concrete attained compressive strength of 68MPa while bottom ash based concrete ...


construction waste and sugarcane bagasse ash to partially replace basalt stone and quartz sand. Mechanical properties of concrete made with 30% of SBA and 30% of construction waste were similar to the reference concrete. Joint application of SBA and construction waste achieved 93% of compressive strength.

Strength parameters of concrete containing recycled aggregate

STRENGTH PARAMETERS OF CONCRETE CONTAINING RECYCLED AGGREGATE Deepa P.R1, Anup joy2 1 2 PG Scholar, Structural Engineering, Sree Buddha College of Engg, Pattoor, Alappuzha, Asst. Professor, Dept ...

Influence of GGBS on Mechanical Properties of High

compressive strength for concrete is observed for mixes up to 40% GGBS at all ages. Even for concrete with 50% GGBS, the strength was equal to that of control concrete at 56 days. Figure 3 Compressi ve Strength Vs Age of Concrete Up to 50% replacement, concrete with GGBS generally achieved strengths similar to control concrete till 28 days and after 28 days it exceeded the strength of control concrete.

Sabinet | Partial replacement of cement by ground granulated blast furnace slag in concrete

The increased quest for sustainable and eco-friendly materials in the construction industry has led to research on partial replacement of the conventional constituents of concrete by two selected waste materials. The broad aim of this work was to investigate the ...

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Pavement Quality Concrete (PQC) is that concrete which is used for highway and road construction .Due to high strength, better serviceability and economy. Now a day's engineers are much focused on development of pavement which could be effective

Presentation GGBS Edited

NEED OF PROJECT Reuse and Recycling of construction & demolition wastes seems workable solution in rehabilitation and new constructions after the demolition of old construction. Central Pollution Control Board has estimated 52 million tons per annum solid waste generation in India out of which, 70-80 million tons are concrete and brick waste.

Study of Waste Plastic Mix Concrete with Plasticizer

Waste plastic mix concrete with and without superplasticizer was tested at room temperature. Forty-eight cube samples were moulded for compressive strength tests at three, seven, and twenty-eight days. Eight beams were also cast to study the flexural

Strength and Durability Studies on GGBS Concrete

SSRG International Journal of Civil Engineering (SSRG-IJCE) – volume 2 Issue 10 October 2015 ISSN: 2348 – 8352 Page 34 Strength and Durability Studies on GGBS Concrete Santosh Kumar Karri1, G.V.Rama Rao2, P.Markandeya Raju3 ...

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strength to an extent of 20% and 30% respectively with respect to control concrete. The tensile strength and flexural strength also followed the same order. At the later age (90 days) the ternary blended admixed concrete with 50% recycled aggregate attained 80% strength of the control concrete. Hence it is concluded that these waste materials can

Rate of Strength Gain of Concrete | Concrete Strength Over time

Strength can be defined as ability to resist change. One of the most valuable properties of the concrete is its strength. Strength is most important parameter that gives the picture of overall quality of concrete. Strength of concrete usually directly related to cement ...

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Utilization (recycling) of iron and steel industry by-product (GGBS) in concrete: strength

Due to exponential growing in urbanization and industrialization, byproducts from industries are becoming an increasing concern for recycling and waste management. Ground granulated blast furnace slag (GGBS) is by-product from the blast-furnaces of iron and steel industries. GGBS is very useful in the design and development of high-quality cement paste/mortar and concrete. This paper covers ...

Utilization of Industrial Waste Slag as Aggregate in Concrete

content of industrial waste product using steel slag sand. Isa Yuksel, Omer Ozkan, Turhan Bilir, 2006 [2] ex- perimented use of non ground granulated blast furnace slag as fine aggregate in concrete. The study concluded that the ratio of GGBs/sand is governing criteria for the effects on the strength and durability characteristics. Juan M. Manso,

Analysis of Environmental Impact for Concrete Using LCA by

Concrete is a construction material manufactured by the mixing of cement, aggregate, mixed water, and admixture materials. In the process of producing cement, which is the main composition material for concrete, not only do natural resources such as limestone and clay become depleted, but environmental impact substances are also emitted during clinker manufacturing through pyro process due to ...



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