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· Thesis Publication. Thesis Archive; Thesis Publication FAQs; Thesis Publication Charges ... 11, Issue 05 (May 2022) Geopolymer: The Concrete of The Next Decade. DOI : 10.17577/IJERTV11IS050026. Download Full-Text PDF Cite this Publication. Abhinav Bagde, Akshay Jamgade, Divyansh Kalambe, Apoorv Ghaiwat, Vishal Ghajghate, …
· GPC has structural applications in beams, columns, slab, etc., and also can be used for the development of railway sleepers, bricks, barriers, pavements, retaining wall, water tank, boat ramp, precast bridge deck, etc. Calcium-based source materials can produce concrete with high early age strength which can reduce the cost and …
· The geopolymer binder is an inorganic polymer obtained from the polycondensation reaction of aluminosilicates with alkalis. The geopolymers possess …
· Geo-polymer is made by the mixture of fly ash, sodium hydroxide, sodium Silicate and water. In this paper, we will present different properties like compressive strength, durability etc. of geo- polymer concrete with comparison to Portland cement. Keywords – Geo-Polymer Concrete, Fly Ash, Ggbs, Portland Cement INTRODUCTION
· the production of ordinary Portland cement (OPC) can compromise sustainability credentials of SHCCs. In this thesis, a sustainable alternative to typical SHCCs is …
· overcome this problem, the concrete to be used should be environmental friendly. To produce environmental friendly concrete, we have to replace the cement with the industrial by products such as fly-ash, GGBS (Ground granulated blast furnace slag) etc. In this respect, the new technology geo-polymer concrete is a promising technique. The term
· O-Al-O bonds. Thus the concrete is named as geopolymer concrete. III. IMPORTANCE OF USING GEOPOLYMER CONCRETE Geopolymer concrete is considered to be an innovative material that is a viable alternative to traditional Portland concrete or cement used in transportation infrastructures, certain constructions and offshore builds.
· The materials such as meta-kaolin (MK), bottom ash (BA), fine aggregate, coarse aggregate, sodium hydroxide, sodium silicate and cement have been used in the present work to make geoplolymer mortar (GPM), newlinegeopolymer concrete (GPC) and control concrete. Several trial mixes have been made to arrive at the optimum mix proportion for …
J Mater Sci et al. [30] studied the mechanical properties of geopolymer 2009;44:4668–76. concrete containing recycled lightweight aggregates and [8] Ishwarya G. Development of geopolymer concrete cured reported that similar to normal weight recycled coarse at ambient temperature [M. Tech thesis].
· based geopolymer concrete. The research reported in this thesis was dedicated to investigate the process of making fly ash-based geopolymer concrete and the short …
· The precursor used in geopolymer concrete are mostly waste products from various industrial and agricultural processes. Geopolymer concrete can be deemed more environmentally friendly and an effective way to manage large volumes of wastes generated by other industries,,, .The use of locally available materials such as laterite soil as …
· The three artificial intelligence techniques, namely, artificial neural network (ANN), adaptive neuro-fuzzy interface (ANFIS), and gene expression programming (GEP) are used to establish a reliable and accurate model to estimate the compressive strength of fly ash–based geopolymer concrete (FGPC). 29. PDF. View 1 excerpt, cites background.
· geopolymer can be considered as an alternative material to portland cement [2] owing to its benefits in terms of energy conservation …
The technology geopolymer concrete found as alternative for this problem. In this present research, cement is replaced with Fly Ash and GGBS in different percentages with steel fibers. The concentration of NaOH was kept as 12M.The fresh and hardened properties of geopolymer concrete were found with and without steel fiber.
· More recent studies shown that material with amorphous structure is most desirable in term of mechanical properties of geopolymer concrete. These are affected by the parameters such as SiO 2 / Al 2 O 3 ratio, R 2 O/Al 2 O 3 ratio, SiO 2 /R 2 O ratio and liquid-solid ratio (R denotes either Na + or K +),,,,, pression strength of …
· of geopolymer concrete at elevated temperatures can be delayed at least up to 60 minutes without significant effect on the compressive strength. FINE AGGREGATE Sieve Retain (Gm) Retain % Cumulative % Passing 10 mm 0 0 - 100 % 4.75 mm 6 3 3 97 2.36 mm 38 19 21 79 1.18 mm 54 27 48 52 ...
· The strength loss in fly ash-based geopolymer concrete at elevated temperatures is attributed to thermal mismatch between the geopolymer paste and …
Geopolymer Concrete. Vijay Rangan. B. Vijaya rangan extensive studies conducted on fly ash-based geopolymer concrete are presented. salient factors that influence the properties of the geopolymer concrete in the fresh and hardened states are identified. test data of various short-term and long-term properties of the geopolymer concrete are then ...
· The term 'geopolymer' was first introduced by Davidovits in 1978 to describe a family of mineral binders with chemical composition …
· The mix design of geopolymer concrete was similar to ordinary concrete but cement was replaced by binder and water with an alkaline solution. NaOH solution and Na 2 SiO 3 solution were used as alkaline activators. The alkaline activator-to-binder ratio was taken as 0.55 for M20.
· Geopolymer concrete (GPC) is a modern building material formed from reaction of inorganic molecules (Aleem & Arumairaj, 2012). …
· The mix design in the case of geopolymer concrete is based on convenient concrete with some modification. In the case of conventional concrete, the materials proportion can be found out of required strength using the code. Table -4: Mix Proportion for geopolymer Concrete Mix 3 Na 2 Sio 3 kg/m3 NaOH kg/m Exta wate r ml Fly Coars ash …
Highlights. •. Coal Washing Waste (CWW) or coal washing reject, if properly activated, can be a potential source for geopolymer cement production. •. Activation operation includes thermal activation at specified time and temperature and cooling operation. •. Cooling method can be more effective than increasing activation time to improve ...
· Geopolymer concrete is the best alternative of Portland cement which is manufactured by organic compound molecules. Fly Ash, is a measurable component of …
· The geopolymer paste serves to bind the coarse and fine aggregates and any un-reacted material to prepare geopolymer concrete [5, 6]. The nature of the fresh geopolymer concrete is stiff paste with high viscosity hence it tends to have low workability [5, 6]. A geopolymer mix can be timed to set either fast or slow, by adjusting the mixture
· 1.4 SCOPE OF THE PROJECT To study the effect of alkaline solution to binder ratio, concentration of sodium hydroxide solution and curing conditions on fly ash based geopolymer concrete. Ratio of alkaline …
It is also much stronger than ordinary concrete. Geopolymer concrete is a revolutionary sustainable building material that will pave the way for green building. In this paper an …
A lightweight concrete (LWC) displays physical, mechanical and structural features preferred in contemporary concrete industry. A major synthetic method for manufacturing high-performance LWCs is to use fly ash-based lightweight aggregates (FA-LWAs). However, the high-powered FA-L.WA manufacture, in combination with the mounting criticism to the …
· Geo-polymer is made by the mixture of fly ash, sodium hydroxide, sodium Silicate and water. In this paper, we will present different properties like compressive strength, durability etc. of geo- polymer concrete with comparison to Portland cement. Keywords – Geo-Polymer Concrete, Fly Ash, Ggbs, Portland Cement. INTRODUCTION.
· Before carrying out actual experimentation several trials were carried out for control mixes as per IS: 10262-2009 for M20 grade of concrete. The mix design of geopolymer concrete was similar to ordinary concrete but cement was replaced by binder and water with an alkaline solution. NaOH solution and Na 2 SiO 3 solution were used as …