ggbs demolished waste concrete strength

Study of Properties of Concrete using GGBS and Recycled ...

GGBS is used to make durable concrete structures in combination with ordinary Portland cement. GGBS concrete has slightly slower strength development at early ages. At 7 days GGBS concretes will have 50 to 60% of its characteristic strength compared. At 28 days GGBS concrete may fully

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Ground granulated blast-furnace slag - Wikipedia

Concrete made with GGBS continues to gain strength over time, and has been shown to double its 28-day strength over periods of 10 to 12 years. [ citation needed ] The optimum dosage of Ground granulated blast-furnace slag (GGBS) for replacement in concrete was reported to be 20-30% by mass to provide higher compressive strength compared to the ...

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An experimental investigation on metakaoline GGBS based ...

Sep 11, 2020 · GGBS: GGBS is the highly cementitious material and high in CSH. GGBS used in concrete mix contains 35% Silica, 40% calcium oxide and 13.24% alumina. Surface area of GGBS was 6000 cm 2 /gm. Other chemical and physical properties are shown in Tables 4 and 5. 3. Experiments 3.1. Test for fresh concrete mix 3.1.1. Slump flow test

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An experimental study on the strength properties of concrete ...

achieving the strength. GGBS and glasses are the waste merchandise. Therefore, the disposal problem of stuff is solved aspect by way of aspect the saving of cement and sand will be done. There will be environmental and the economic benefits from the utilize of recycled waste glasses and GGBS to concrete production.

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1 INTRODUCTION IJSER

to concrete strength, concrete made with GGBFS continues to gain strength overtime, and has been shown to double its 28-strength -day over periods of 10 to 12 years. Our project is a testing project compared with the compressive strength of PCC and GGBFS, used concrete. Here the amount of cement is reduced and that amount is replaced with GGBS.

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Concretes containing waste-based materials under active ...

Nov 10, 2020 · Behavior of actively confined waste-based concretes is studied under axial compression. • GGBS is used as binder, GS/LSS as sand, and recycled aggregate as coarse aggregate. • LSS concrete exhibits higher strength and strain enhancement coefficients than GS concrete. •

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Development of waste-based concretes containing foundry sand ...

In recent years, the use of fly ash (FA) and ground granulated blast furnace slag (GGBS) as cement replacement materials as well as foundry sand (FS) and recycled fine aggregate (RFA) as sand replacement materials has provided an attractive avenue toward a green construction material for decreasing the effect of concrete and construction and demolition (C&D) waste on the environment.

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An Experimental Investigation on Properties of Concrete by ...

Dec 12, 2017 · Various combination of GGBS and Quarry Dust were prepared using M30 Grade of Concrete.The effect on these replacement materials on Compressive Strength, Split Tensile Strength, Flexural Strength, Modulus of Elasticity and Water Absorption were studied and the results obtained were compared with the Control Concrete.

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Experimental Investigation of Concrete using Partial ...

The compressive strength development of GGBS concrete depends primarily upon the type, fineness, activity index, and the proportions of slag used in concrete mixtures.The testing was done in the compression testing machine and the failure load was noted and the cube compressive strength was determined at 3, 7, 28 and 56 days of curing period ...

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(PDF) Demolition Waste as Cement Replacement in Concrete

Recycling and reuse of waste such as building rubble, concrete lumps, etc. generated at construction and demolition sites form part of a wider, complex issue, primarily relating to improving ...

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Producing Green Concrete by Using Recycled Materials in UAE

Then, the mechanical properties together with the cost of the new product were estimated. It was confirmed by this research that the demolition waste generated in the UAE can be efficiently used to obtain high strength, low cost, and green concrete.

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Rate of Strength Gain of Concrete | Concrete Strength Over ...

In concrete practice the strength of concrete is characterized by the 28 day value and some other properties are also related to the 28 day strength. After 28 days, different tests are usually performed to determine the strength gain of the concrete.

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Waste Materials and By-Products in Concrete | Rafat Siddique ...

Non-hazardous waste materials and by-products which are mostly landfilled can be used in making concrete and similar construction materials. This book gives a summary of this usage: one chapter is devoted to each material, comprising an introduction, chemical and physical properties, usage potential, and the impact of the material on the various properties of concrete.

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Study and Analysis of Strength of Concrete Containing ...

reduction of concrete made with recycle concrete aggregate, GGBS. 2. REVIEW OF LITERATURE: 2.1 Introduction The various research programs are carried out for the construction and demolition waste management. Many researches are done for improving properties of recycle aggregate concrete by adding different materials in concrete.

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A STUDY ON STRENGTH PROPERTIES OF CONCRETE MADE WITH WASTE ...

A STUDY ON STRENGTH PROPERTIES OF CONCRETE MADE WITH WASTE READY-MIX CONCRETE AS COARSE AGGREGATE AND PARTIAL REPLACEMENT OF CEMENT BY GGBS Krishna 3Chaitanya E1, Dr K Manjunatha2, Harish B A 1PG Student, Department of Civil Engineering, UBDT College, K.A., INDIA 2Professor, Department of Civil Engineering, UBDT College, K.A., INDIA

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Durability Properties and Microstructure of Ground Granulated ...

May 20, 2014 · Ground granulated blast-furnace slag (GGBS) is a green construction material used to produce durable concrete. The secondary pozzolanic reactions can result in reduced pore connectivity; therefore, replacing partial amount of Portland cement (PC) with GGBS can significantly reduce the risk of sulfate attack, alkali–silica reactions and chloride penetration.

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COMBINED EFFECT OF GGBS AND FLY ASH ON MECHANICAL PROPERTIES ...

grade concrete such as compressive strength, split tensile strength and flexural strength of concrete is discussed. The results are compared with that of the normal concrete Key words: Compressive strength, Fly ash, GGBS, Recycled fine aggregate, Split tensile strength.

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Evaluation of Strength of Recycled Coarse Aggregate using ...

w/c ratio. At lower w/c ratios, the compressive strength of recycled concrete is much lower than that of normal concrete and also higher w/c ratio give similar strength of conventional concrete. III. Year: AprilRECYCLED AGGREGATE CONCRETE, A SUSTAINABLE OPTION FROM DEMOLITION CONCRETE WASTE -A PERCENTAGE REPLACEMENT METHOD A. Author

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TO STUDY STRENGTH CHARACTERISTICS OF PAVEMENT QUALITY ...

Maximum strength values are obtained when 20% GGBS +15% Metakaolin is partially replaced with cement and Waste Medicine Wrappers is replaced with 10% Fine aggregates. Higher strength developed at optimum mix M2 due to pozzolonic reaction in concrete and

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Mechanical Properties of Geopolymer Concrete with Alternative ...

Recycled aggregates (RA) are produced from crushing the concrete waste of demolished buildings to a required size. A study has revealed that, compressive strength of geopolymer concrete increases with increase in concentration of sodium hydroxide in terms of molarity, sodium silicate to sodium hydroxide ratio, curing temperature and curing time.

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WASTE PAPER SLUDGE ASH AND GROUND GRANULATED BLAST FURNACE ...

This paper investigates workability and strength of concrete made with different proportions of waste paper sludge ash (WSA) and ground granulated blast-furnace slag (GGBS) as binder, at two w/b rations: 0,5 and 0,4. Specimens were tested unconfined compressive strength after 1, 7, 28 and 90 days of curing.

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Sulfate Resistance of Recycled Aggregate Concrete with GGBS ...

The object of this work was to develop a green concrete with an improved sulfate resistance. In this new type of concrete, recycled aggregates from construction and demolition (C&D) waste were used as coarse aggregates, and granulated blast furnace slag (GGBS) and fly ash-based geopolymer were used to totally replace the cement in concrete.

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GROUND GRANULATED BLAST FURNACE SLAG (GGBS or GGBFS) AND ...

GGBS give sustainable gain and strength 30% of GGBS strength decrease compared with control of concrete. A 30% of replacement gives 13.13%in compressive strength gives 6.97% for 28 days [5]. Cement is use as a binder material in conventional concrete but it involves heat of hydration .which leads to shrinkage of concrete so, that we replace ...

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Effect of Alccofine and GGBS Addition on the Durability of ...

Among the nine different combination the maximum compressive strength of concrete is achieved by using AL10% and GGBS 30% is 38.08 N/mm 2. C60A10G30 is 28.76% higher than the control mix. Result shows that concrete incorporating alccofine and GGBS have higher compressive strength and alccofine enhanced the durability of concrete also.

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Study of Properties of Sustainable Concrete using Slag and ...

40 GGBS and 50 GGBS gave compaction factor value of 0.89. 60 GGBS showed a compaction factor value of 0.92. 7.2.3 Compressive strength Table 8, Average compressive strength of GGBS mixes Mix ID Average compressive strength 3-day 7-day 28-day 40 GGBS 13.28 N/mm 2 23.50 N/mm 41.10 N/mm 50 GGBS 13.46 N/mm2 22.46 N/mm 44.00 N/mm2

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Carbon Dioxide (CO2) Emissions of Concrete

• GGBS is generally used in proportionsGGBS is generally used in proportions of 40-70% of the total cementitious materials content in structural concretematerials content in structural concrete, and up to 95% in specialist applications.applications. • 55% GGBS can reduce the embodied 2 content of a typical C32/40 concrete from approx. 115 kg CO

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Utilization (recycling) of iron and steel industry by-product ...

Oct 19, 2013 · 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 ...

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Sustainable Concrete made of Construction and Demolition ...

In the demolition waste series, four mixes of concrete were prepared using different contents of aggregate extracted from demolition waste and recycled water. The effect of the recycled aggregate and recycled water on the axial and flexural strength was found to be moderate but had a significant negative impact on the durability.

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When a Building Comes Down, Where Do Its Materials Go?

Jan 30, 2019 · Installed concrete is never just concrete, but is paired with everything from mortar paste and gypsum to trace plastics, metals, and woods, says Blaine Brownell, an architect and editor of the Transmaterial book series: “The main difficulty concerns the various contaminants that are often found in demolition waste.” Concrete’s ...

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Fire and Concrete - Group HMS

concrete constituents and proportions thus allowing the engineer to design the concrete fit for purpose. The results in Figure 4 show that it is possible to design a concrete that retains most of its original strength even up to temperatures of 500oC which in fire is experienced mostly near the surface.

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