Techbrief briefly describes geopolymer concrete materials and explores some of their strengths, weaknesses, and potential applications. Geopolymer concrete shows significant potential to be a material for the future. Table 4 constituents of geopolymer concrete element weight% o 52. Ppt geopolymers powerpoint presentation free to view id. Thus, due to the production of opc, the co 2 emission has been reported to be about,500 million ton, which is almost the amount of 7% of greenhouse gases annually worldwide. The fly ashbased geopolymer paste binds the loose coarse aggregates, fine aggregates and other unreacted materials together to form the geopolymer concrete, with the presence of admixtures. Reduced to the production of the geopolymer constituents comparison for 1m3 with the same mechanical properties use ferret equation. Geopolymer materials represent an innovative technology that is generating considerable interest in the construction industry, particularly in light of the ongoing emphasis on sustainability. Geopolymer concrete is an innovative construction material which shall be produced by the chemical action of inorganic molecules. Geopolymer concrete outline, advantages, disadvantages and applications. Geopolymer is an inorganic aluminosilicates polymer synthesized from minerals of geological origin or byproducts materials, such as fly ash, blast furnace slag etc. Ppt geopolymer concrete for green construction materials. Introduction geopolymer concrete is an innovative, ecofriendly construction material.
Similarly the geopolymer concrete showed good workability as of the ordinary portland cement concrete. Fly ash, a by product of coal obtained from the thermal power plant rich in silica and alumina plays the role of cement in the concrete by the reaction with alkali. The hardened concrete has comparable or even better properties than traditional concrete. Explore green concrete with free download of seminar report and ppt in pdf and doc format. Role of geopolymer concrete for the construction of rigid pavement 1anjali gargav, 2dr. Geopolymer concrete properties, composition and applications. Polymer concrete composites possess a unique combination of properties dependent on the formulation. These include rapid curing at ambient temperatures from. This dissertation addresses this requirement for a standard mix design for geopolymer concrete. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design.
The potential use of geopolymer concrete and the future challenges are also. Geopolymer based cementitious binder is one of the recent findings in the emerging concrete technology. The name geopolymer was formed by a french professor. The curing condition of geopolymer concrete was varied as ambient curing. Finally, the better performance of geopolymer concrete to withstand sulfuric attack compared with ordinary portland cement concrete is due to low amount of calcium content in the material by which geopolymer concrete produced, and because geopolymer concrete does not produced from lime as it is the case with portland cement concrete, therefore. Highstrength geopolymer concrete properties, advantages and challenges. Geopolymer concrete seminar report pdf seminars topics. This component of geopolymer concrete mixtures can be designed using the tools currently available for portland cement concrete. Geopolymer concrete is an innovative and ecofriendly construction material and an alternative to portland cement concrete. Kanta rao abstract the major problem the world is facing today is the environmental pollution. In this paper, fly ash is used to produce a geopolymer concrete. Concrete for construction has traditionally been based on an ordinary portland cement binder.
Geopolymer concrete made from waste is the concrete of a sustainable future duration. The production of 1 ton of cement contributes almost 1 ton of co 2 to the atmosphere. Experimental study on geopolymer concrete incorporating ggbs v. Consisting of fly ash, the byproduct of burning coal at a power station, and slag, the byproduct of steel manufacturing, ecrete reduces the embedded co2 of concrete by at least 60% compared to. Geopolymer concrete for green construction materials dr. In that case geopolymer concrete samples with 3% and 6% nano silica addition and with 1% titanium dioxide tio 2 addition was also tested along with controlled geopolymer concrete samples at 28 days. Also explore the seminar topics paper on green concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016.
The relationship between the compressive strength and sio 2. Geopolymer concrete made from waste is the concrete. Geopolymer concrete ppt sodium hydroxide fly ash scribd. Dec 02, 2012 geopolymer concrete has the potential to substantially curb co2 emissions produce a more durable infrastructure capable of design life measured in hundreds of years conserve hundreds of thousands of acres currently used for disposal of coal combustion products protect aquifers and surface bodies of fresh water via the elimination of fly ash. Chemical formulation of geopolymer concrete with msand. Calculate cement quantity that provide the same strength as geopolymer based concrete compare with 2 different concretes made with.
The factors that affect the production of geopolymer concrete such as source minerals, workability, curing time, and curing temperature are discussed in the paper. Geopolymer concrete ppt free download as powerpoint presentation. Development of high volume fly ash hvfa concrete development of geopolymer concrete. Fly ash, silicafume, or ggbs, along with alkali solution are used as binders. Ecrete geopolymer concrete, fly ash concrete zeobond. Geopolymer concrete using steel and polypropylene fibres, international journal of applied engineering research, vol. Role of geopolymer concrete for the construction of rigid. Durability is another important aspect of concrete. Pathways and barriers for acceptance and usage of geopolymer. Fly ashbased geopolymer concrete can be the potential to reduce portland cement usage but at the same time acquiring the desirable engineering properties of portland cement concrete. Abstract geopolymer concrete gpcs is a new class of concrete based on an inorganic alumina silicate binder system compared to the hydrated calcium. In the 1950s, viktor glukovsky, of kiev, ussr, developed concrete materials originally known under the names soil silicate concretes and soil cements, but since the introduction of the geopolymer concept by joseph davidovits, the terminology and definitions of geopolymer have become more diverse and often conflicting. Flyash is rich in silica and alumina reacted with alkaline solution produced aluminosilicate gel that. Geopolymer concrete also showed very high early strength.
Constituents of geopolymer concrete geopolymer concrete can be manufactured by using the lowcalcium astm class f fly ash obtained from coalburning power stations. Geopolymer concrete and cement geopolymer solutions. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Bragg published a method for classifying all kinds of silicates and their crystal structures based on the concept of the ionic theory by linus pauling. View geopolymer concrete research papers on academia. Though geopolymer research has been underway for several decades, as far as was we know urbaneden is the first project in the world that has used geopolymer cement concrete as a building envelope solution. Establishing a mix design procedure for geopolymer concrete. Geopolymer concrete has the potential to substantially curb co2 emissions produce a more durable infrastructure capable of design life measured in hundreds of years conserve hundreds of thousands of acres currently used for disposal of coal combustion products protect aquifers and surface bodies of fresh water via the elimination of fly ash. In terms of global warming, the geopolymer technology could significantly reduce the co 2 emission to the atmosphere caused by the. Practical recommendations on use of geopolymer concrete technology in practical applications such as precast concrete products and waste encapsulation need to be.
College of engineering and technology, karaikudi, india. Fly ash, a by product of coal obtained from the thermal power plant is plenty available worldwide. Geopolymer was the name given by daidovits in 1978 to materials which are characterized by chains or networks or inorganic molecules. Opc vs geo polymergeopolymer concrete gpc using flyash greater corrosion resistance, substantially higher fire resistance up to2400. Ppt geopolymers powerpoint presentation free to view. Comparative study on the production cost of geopolymer and. Development of geopolymer bricks using foundry sand. Geopolymer concrete is an innovative, ecofriendly construction material. Lca boundaries of the system and functional unit reduced to the production of the geopolymer constituents comparison for 1m3 with the same mechanical properties use ferret equation. Pathways and barriers for acceptance and usage of geopolymer concrete in mainstream construction. Geopolymer concretethe economical, more durable, and environmentally friendly concrete with a carbon footprint of only about 10% of portland cement.
Geopolymer concrete, fly ash, strength, curing, applications. Geopolymer concrete a new ecofriendly material of construction. Overview of the stateoftheart on the alkali activated materials since 1973 in department of glass and ceramics in prague. Erez allouche trenchless technology center louisiana tech university november 5, 2009 a free powerpoint ppt presentation displayed as a flash slide show on id. Commonly, waste materials such as fly ash or slag from iron and metal production are used, which helps lead to a cleaner environment. The manufacture of geopolymer concrete is carried out using the usual concrete technology methods as in the case of opc. As geopolymer concrete is a new material in which cement is totally replaced by. Effect of nano materials in geopolymer concrete sciencedirect. Properties of geopolymer concrete with low calcium fly ash. There is often confusion citation needed between the meanings of the terms geopolymer cement and geopolymer concrete. Pdf design of geopolymer concrete bima winata academia. Geopolymer was the name given by daidovits in 1978 to materials which are characterized by.
We think gcc is potentially a worldchanging technology and are excited to be able to present it to such a large cross section of the public. In the construction industry mainly the production of portland cement will causes the emission of pollutants results in environmental pollution. Austroads webinargeopolymer concrete and its applications. A cheaper, greener alternative for cement duration. As in the case of portland cement concrete, the coarse and fine aggregates occupy about 75 to 80% of the mass of geopolymer concrete.
The composites do not contain a hydrated cement phase, although portland cement can be used as an aggregate or filler. Use of geopolymer reduces the demand of portland cement which is responsible for high co 2 emission. Experimental study on geopolymer concrete incorporating ggbs. This material is called geopolymer concrete, and is made by mixing different industrial byproducts. Ecrete is zeobonds proprietary geopolymer technology product. Lca boundaries of the system and functional unit reduced to the production of the geopolymer constituents comparison for 1m3 with the same mechanical properties. Attempt was also made to utilise lime sludge, a waste from paper industry with. The majority of research concluded that an amorphous structure of geopolymers is preferable in order to achieve desired mechanical strength. Abstract geopolymer concrete gpcs is a new class of concrete based on an inorganic alumina silicate binder. What has been missing is the combination of this research in a way that would allow use of geopolymer concrete as a replacement to concrete based on ordinary portland cement. Most of the fly ash available globally is lowcalcium fly ash formed as a byproduct of burning anthracite or bituminous coal. Dec 12, 2016 introduction geopolymer concrete is an innovative, ecofriendly construction material. The properties of the geopolymer concrete met the mechanical strength characteristics required of ordinary.
The compressive strength of geopolymer concrete is about 1. The most important factors affecting the properties of geopolymer pastes are. The present study investigates the setting and strength properties of geopolymer mixtures containing binary combinations of bentoniteflyash, bentonitecement, bentonitesilicafume and ternary blends of bentoniteflyashlime. Geopolymer cement concrete urban eden unc charlotte. In geopolymer bricks main ingredients of clay burnt or cement based brick is totally replace by the, waste of burnt coal known fly ash, foundry sand waste from metal casting industry.
The compressive strength, flexural strength, split tensile strength of the geopolymer. Geopolymer concrete is totally cement free concrete. Polymer concrete is a composite material in which the aggregate is bound together in a matrix with a polymer binder. Strength and durability of fibre reinforced geopolymer. It has been found that geopolymer concrete has good engineering properties with a. Highstrength geopolymer concrete science publishing group. A solid component activator for use in a geopolymer cement containing a silicoaluminate material comprising a mixture of sodium silicate and sodium carbonate for activating the geopolymer cement by increasing reactivity of the silicoaluminate material in the. Calculate cement quantity that provide the same strength as geopolymer based concrete. In this respect, the geopolymer concrete with a much lower environmental footprint shows considerable promise for application in the concrete industry 4. Jun 30, 2017 this material is called geopolymer concrete, and is made by mixing different industrial byproducts. Geopolymer is a material resulting from the reaction of a source material that is rich in silica and alumina with alkaline solution. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Polymer concrete topic american concrete institute.
1004 946 1554 1307 258 143 189 1388 1054 865 412 1102 1319 215 405 292 926 273 569 1515 797 443 1234 1039 323 171 967 262 838