The parameters studied were superplasticizer sp dosage and molarity of naoh solution. Performance of selfcompacting geopolymer concrete containing. Effect of curing conditions on strength of fly ashbased. Self compacting geopolymer concrete, fly ash, silica fume, ground granulated blast furnace slag. The influence of mineral admixtures on the workability, compressive strength, splitting tensile strength and flexural strength of self compacting concrete is. In this spirit, we evaluate the capacity of spent garnets as sand replacement for achieving self compacting geopolymer concrete scgpc.
Self compacted concrete is highly engineered concrete with much higher fluidity without segregation and is capable of filling every corner of formwork under its self weight. Robustness of self compacting geopolymer concrete scgc its widely known and has been reported on numerous occasions and in multiple journals that concrete is one of the most used construction materials in the world. Properties for rockbased geopolymer cement ca,kpolysialatedisiloxo see. Effects of curing temperature and superplasticizer on workability and. A newly developed selfcompacting geopolymer concrete. It was inferred that, increase in molarity of naoh decreased the fresh properties and increased the. Performance of self compacting geopolymer concrete containing nano silica and ground waste ceramic tiles as a fine aggregate. Geopolymer concrete is an alternative material to opc, but due to its viscosity natu re, the problem causes in compaction. Self compacting concrete, which is also known as self consolidating concrete scc is the latest concrete technology that has been used in many highrise concrete projects all over the globe. For several years, the use of cement as a binder in a concrete mixture has been often. Effect of superplasticizer and naoh molarity on workability.
An experimental investigation on rheology and strength. Sep 21, 2018 extensive quantities of fly ash and ground granulated blast furnace slag are produced by powergeneration plants and steel manufacturing industries. Sarker, flexural strength and elastic modulus of ambientcured blended lowcalcium fly ash geopolymer concrete. Self compacting concrete scc is a innovative concrete that does not require vibration for placing and compaction. Performance of selfcompacting geopolymer concrete with and. Self compacting concrete is a complex system that is usually proportioned with one or more additions and one or more chemical admixtures. The scgc doesnt require any additional compaction it. Flexural performance and toughness evaluation of hybrid steel.
Selfcompacting geopolymer concrete from the lab to site. Jurnal full paper teknologi article history mechanical properties of self compacting received geopolymer concrete containing spent garnet as 3 november 2016 received in revised form replacement for fine aggregate 30 january 2017 accepted habeeb lateef muttashara, mohd warid hussina, mohd azreen 15 february 2017 mohd ariffinbjahangir mirzac, nor hasanaha, ali umara shettimad corresponding. Compressive strength and workability characteristics of low. Materials, properties, and applications, ebooks in pdf, epub, tuebl mobi, kindle book. Fareed ahmed memon, muhd fadhil nuruddin effect of curing conditions on strength of fly ashbased self compacting geopolymer concrete, international journal of civil and environmental engineering 3. Specification and guidelines for self compacting concrete. Selfcompacting concrete applications and advantages. Properties of chemically synthesized nanogeopolymer. This paper reports the results of an experimental work conducted to investigate the effect of curing conditions on the compressive strength of selfcompacting geopolymer concrete prepared by using fly ash as base material and combination of sodium hydroxide and sodium silicate as alkaline activator.
It is able to flow under its own weight, fully filling formwork the material variation of self compacting concrete contains 100% cement replace by fly ash and lime powder. Masterglenium ace 30 is an innovative second generation of polycarboxylic ether polymers superplasticiser. Ordinary portland cement opc is the key ingredient of concrete. Self compacting geopolymer concrete, issues and options. Formulation and performance evaluation of alkaliactivated. Self compacting concrete scc is the alternative for it which does not require any compacting method. Scgc is a novel material that involves innovation in the production and casting of concrete. The physical and mechanical properties of selfcompacting geopolymer concrete scgc using chemically synthesized nano geopolymer cement was investigated. Experimental research on triple blended selfcompacting geo. In this paper, two artificial intelligence approaches, namely adaptive neuro fuzzy inference anfis and artificial neural network ann, were used to predict the compressive strength of gpc, where coarse and fine waste steel slag were used as aggregates. Scgc is an improved way of concreting execution that does not require compaction and is made by complete elimination of ordinary portland cement content. The ultimate load of self compacting geopolymer concrete 2 with cold jont scgcc2 was 4.
Experimental study on self compacting geopolymer concrete. Such scgpc specimens are self compacting concrete prepared using ground granulated blast furnace. Abstract the aim of this study is to investigate the effect of temperature curing and ambient curing on mechanical properties of self compacting geopolymer concrete scgc blended using ground granulated blast furnace slag ggbfs and rice husk ash rha. A study on different types of super plasticiser used for self. Nevertheless, the usage of steel fiber and nanosilica combination obviously enhanced flexural performance and bond strength of the selfcompacting gpc. Ozawa, recommendation for self compacting concrete. Concrete is one of the most far used construction materials in the world. Experimental study on self compacting geopolymer concrete irjet. Geopolymer concrete, ambient temperature, elevated temperature, weight loss. Experimental study on selfcompacting geopolymer mortar. Pdf effects of curing temperature and superplasticizer.
The primary aim of self compacting concrete is to minimize the entrapped air and to enhance the compaction characteristics of concrete by itself. Introduction t he economic strength and even degree of civilization of any country is reflected by the growth rate of the infrastructures and highlighted by the production rate of concrete. Development of selfcompacting geopolymer concrete as a. Robustness of selfcompacting geopolymer concrete scgc. Concrete has been used in the construction industry since long times.
Nano geopolymer cement was synthesized using nanosilica, alkali activator, and sodium aluminate in the laboratory. Patel, year20 continuous increase in production of cement causes large amount of carbondioxide emission which. Effect of mix composition on workability and compressive strength of. Pdf selfcompacting geopolymer concrete with an alkaline. Such scgpc specimens are prepared using ground granulated blast furnace slag ggbfs wherein the river sand is replaced by spent garnet at varying contents 0100% under constant liquidbinder lb mass. This paper documents the assessment of the compressive strength. Scgc is an innovative and improved type of concrete that does not require vibration for placing it and can be produced by complete. Self compacting geopolymer concrete scgc is relatively a new concept and can be regarded as the most revolutionary development in the field of concrete technology.
These superfluous byproducts, instead of being left as waste, are used for producing alkaliactivated selfcompacting concrete, generally known as self compacting geopolymer concrete. Scgc is an innovative and improved type of concrete that does not require vibration for. Pdf the sustainable production of self compacting geopolymer concrete scgc is an environment friendly concrete which has lower carbon. Issues and options geopolymer camp, 46 july saint quentin, france professor ir dr muhd fadhil nuruddin dean, faculty of engineering, universiti teknologi petronas, malaysia. Journal of mechanical and civil engineering, volume 14, issue 2, pp. Sensitivity that self compacting concrete shows towards repeatability in roclas precast environment. To overcome the issue, self compacting geopolymer concrete has been intro duced. For more than 20 years, selfcompacting concrete scc has been applied in the construction. Shear strength characteristics of self compacting geopolymer. The vibration of concrete encourages the noise pollution. A study on durability characteristics of self compacting. There is often confusion citation needed between the meanings of the terms geopolymer cement and geopolymer concrete. Properties of selfcompacting geopolymer concrete scientific.
Selfcompacting geopolymer concrete with spend garnet as sand. Geopolymer concrete has many advantages as compared to the standard concretes. This study presents models, developed based on gep and ann techniques, predicting strength characteristics of gscc. The experiments were conducted by varying the curing time and curing temperature in the range. Self compacting geopolymer concrete, fly ash, ground granulated blast furnace slag, manufactured sand, ambient room temperature.
Nov 01, 2018 the compaction of ordinary geopolymer concrete requires vibration to obtain good compactability. Geopolymer concrete with fly ash by n a lloyd and b v rangan. Self compacting geopolymer concrete composite scgc is relatively a new concept and can be regarded as the most revolutionary development in the field of concrete technology. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. The self compacting concrete is a special concrete, which does not require compaction. Self compacting geopolymer concrete self compacting geopolymer concrete super plasticizer aggregates source material alkaline solution extra water introduction compacted into every corner of the formwork purely by means of its own weight.
A study on different types of super plasticiser used for. Scc is known for its excellent deformability, high resistance to segregation, and successful use in congested reinforced concrete structures characterized. Performance studies on self compacted geopolymer hybrid fiber. The geopolymer concrete is made up of industrial byproducts which. Study of research articles and codes based on self compacting mortar and concrete. Performance studies on selfcompacting geopolymer concrete.
In improvising the issue, self compacting geopolymer concrete has been introduced. Self compacting concrete has been used in bridges and even on precast sections. Introduction with the increased use of cement in concrete, there have been environmental. The sustainable production of selfcompacting geopolymer concrete scgc is an environment friendly concrete which has lower carbon footprint as compared to that of conventional concrete. Introduction concrete is the backbone of all the construction and development activities around the world. Geopolymer concrete has high viscosity and due to which it fails because of lack of.
Alkali solution, flowability, fly ash, lshaped box, self compacting geopolymer concrete, slump flow. Concrete samples with sodium hydroxide concentration of 12 m produced maximum compressive strength. Effect of silica fume on the fresh and hardened properties. Heatcured lowcalcium fly ashbased geopolymer concrete also shows excellent resistance to sulfate attack and fire, good acid resistance, undergoes low creep, and suffers very little drying shrinkage. This research investigates the simultaneous impact of two different types of steel fibers, nanometakaolin, and nanosilica on the mechanical properties of geopolymer concrete gpc mixes. Geopolymer concrete gpc, molarity m, sodium hydroxide. The inefficiency of typical superplasticisers in geopolymer compared with portland cement limits the design of a self compacting concrete. In this manner, the consumption of self compacting geopolymer concrete may reduce some effects on the environment in the cement industry.
Materials, properties, and applications textbook and unlimited access to our library by created an account. Mechanical properties of selfcompacting concrete rilem. With current cement production in excess read more. This study investigated the rheology, reactivity and strength of a fly ash, slag and micro fly ash system without superplasticisers in order to find an optimum self compacting behaviour. Request pdf properties of selfcompacting geopolymer concrete high consumption of natural resources, environmental concern of co2 emission due to cement production and improvement on concrete. The ultimate load of self compacting geopolymer concrete 1 with cold jont scgcc1 was 145. Materials, properties and applications presents the latest research on various aspects of self compacting concrete, including test methods, rheology, strength and durability properties, scc properties at elevated temperature, sc manufacturing with the use of scms, recycled aggregates and industrial byproducts. Compressive strength and workability characteristics of low calcium fly ashbased self compacting geopolymer concrete by m. The drying shrinkage behaviour of flyashbased selfcompacting geopolymer concrete scgc was studied for a period of one year. Compressive strength and workability characteristics of. Developing geopolymer concrete properties by using. The research also studied the effect of percentage 0, 5, 15 and 25% replacement of rha on the properties of scgc.
By the early 1990s, japan has developed and used scc. Introduction concrete is an vital ingredient in infrastructure development and with its versatile application, globally its usage is second to water. It is probably the most widely used construction material in the world, largely due to the abundance of the raw materials for cement manufacture, low relative cost and the versatility and adaptability of concrete in forming various structural shapes. In this paper fly ash was replaced by different mineral admixtures, which. One of the most remarkable projects built using self compacting concrete is the akashikaikyo suspension bridge. Two superplasticiser spwere taken for the comparision, which are being generally used and easly available in market. The replacement of natural coarse aggregates with magnetite aggregates in control scc and control gc at volume ratios of 50%, 75%, and 100%.
Drying shrinkage test commenced on the 7th day after casting the test specimens. As the name implies, it does not need any compacting efforts to achieve full compaction and utilizes fly ash together with alkaline solution and. Self compacting concrete, which streams under its very own weight and. To achieve this aim, different geopolymer concrete mixes were prepared. In terms of global warming, the technology of self compacting geopolymer concrete could significantly reduce the emission of co 2 into the atmosphere. Studies on selfcompacting geopolymer concrete containing. Study on properties of geopolymer self compacting concrete ijrte. Geopolymer concrete, self compacting concrete, scm, alkaline activator, ambient curing. A cement is a binder, whereas concrete is the composite material resulting from the mixing and hardening of cement with water or an alkaline solution in the case of geopolymer cement, and stone aggregates. Selfcompacting geopolymer concrete with spend garnet as. Pdf study on properties of selfcompacting geopolymer.
Estimating strength properties of geopolymer selfcompacting. Pdf study on properties of selfcompacting geopolymer concrete. Self compacting geopolymer concrete scgc can be considered as an advanced and innovative construction material in the concrete technology. Self compacting geopolymer concrete scgc is an innovative construction material in concrete technology. Introduction with the increased use of cement in concrete, there have been environmental concerns both in terms of. Jurnal full paper teknologi article history mechanical properties of self compacting received geopolymer concrete containing spent garnet as 3 november 2016 received in revised form replacement for fine aggregate 30 january 2017 accepted habeeb lateef muttashara, mohd warid hussina, mohd azreen 15 february 2017 mohd ariffinbjahangir mirzac, nor hasanaha, ali. Experimental study on selfcompacting geopolymer mortar with. Highly flowable concrete that flows through congested reinforcement under its own weight. Using these techniques, geopolymer binder has been shown to be suitable for both highstrength concrete applications as well as for self compacting concrete. Aci committee 237, self consolidating concrete 237r07. It is a type of concrete that does not require compaction for placing it and can be produced by completely eliminating ordinary portland cement.
Performance of selfcompacting geopolymer concrete using. Massive production of concrete and the associated substantial manufacture. Geopolymer technology has shown its potential in completely. Drying shrinkage of fly ashbased selfcompacting geopolymer. The effects of precursors on rheology and selfcompactness of. Geopolymer concrete gpc has been used as a partial replacement of portland cement concrete pcc in various construction applications. Scgc is a novel material that involves innovation in the production and casting of.
An effort made in this regard is the development of self compacting geopolymer concrete scgc. Self compacting geopolymer concrete is an innovative concrete that does not require vibration for placing and compaction. High consumption of natural resources, environmental concern of co2 emission due to cement production and improvement on concrete performance has become a driving force behind the search for alternative materials. Please note that the following pdf file, offered by. Two scgc and one opcbased conventional mixture were used in the present investigation. Key words fly ash, geopolymer concrete, selfcompacting geopolymer concrete, mechanical. Self compacting concrete european project group sccepg, the european guidelines for self compacting concrete, specification, production and use. Metakaolinite based geopolymer has been synthesized by hongling wang et al 15 at about 20. Self compacting geopolymer concrete scgc is an innovative concept in the field of concrete technology that addresses two fold problems such as placing the concrete in complicated structural formworks and utilizing the industrial wastes.
Study on properties of selfcompacting geopolymer concrete. N, 2017, study on properties of self compacting geopolymer concrete. Self compacting geopolymer concrete is an innovative method and improved way of concreting operation that does not require vibration for placing it and is produced by complete elimination of ordinary portland cement. The compaction of ordinary geopolymer concrete requires vibration to obtain good compactability. Geopolymer concrete has excellent compressive strength and is suitable for structural applications. Dr sanjay kumar is an associate professor in department of civil engineering, nit jamshedpur, india. His research interests are fibrereinforced concrete compacting concrete, low cost building materials and, self geopolymer concrete. The concrete were not able to flow and does not fulfill standard of the self compacting geopolymer concrete due to quickly bounded time. Selfcompacting geopolymer concrete is an innovative method and improved way of concreting operation that does not require vibration for placing it and. Geopolymer concrete, self compacting geopolymer concrete, workability, compressive strength, sodium hydroxide concentration 1.
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