The center for advanced cement based materials white. The utilisation of recycled concrete aggregate rca in selfcompacting concrete scc has the potential to reduce both the environmental impact and financial cost associated with this increasingly popular concrete type. Further development of latest generation concretes in the recent past needs to update knowledge on the behaviour of such concrete with the addition of fibres to make them more efficient and effective. Development of scc self compacting concrete scc developed by professor hajime okamuraof kochi university of technology, japan, in1986 during his research, okamura found that the main cause of the poor durability performances of japanese concrete in structures was the inadequate compacting of the. Self compacting concrete seminar report, ppt, pdf for.
Selfcompacting concrete scc is a flowing concrete mixture that is able to consolidate under its own weight. Pdf selfcompacting concrete procedure for mix design. Self compacting concrete an overview sciencedirect topics. This recommendation specifies the performance required of selfcompacting concrete, primarily the selfcompactability, and provide verification and inspection methods. A flowing concrete and two selfcompacting concretes were manufactured, at given portland cement content 400 kgm3 and watercement ratio 0. Self compacting concrete scc is the new category of high performance concrete hpc characterized by its ability to spread and self consolidate in the form work exhibiting any significant separation of constituents. This work presents properties of selfcompacting concrete, mixed with different types. The present project investigates the making of self compacting concrete. Selfcompacting, or selfconsolidating concrete scc was first developed in japan in the early nineties. View selfcompacting concrete research papers on academia.
Properties of selfcompacting concrete with recycled. This paper presents an experimental study on permeation properties of a range of different selfcompacting concrete scc mixes in comparison with those of. Mechanical properties of selfcompacting concrete rilem. Tech student, civil engineering, roorkee institute of technology, uttrakhand,indiaabstract self compacting concrete scc is a high performance concrete that can flow under its own weight to completely fill the form work and self. The permeability of the concrete structure is decreased.
Selfcompacting concrete scc for prestressed bridge girders final report prepared by. Sudhir misra,department of civil engineering,iit kanpur. The highly fluid nature of scc makes it suitable for placing in difficult conditions and in section with congested reinforcement. Selfconsolidating concrete is required to flow and fill special forms under its own weight, it shall be flowable enough to pass through highly reinforced areas, and must be able to avoid aggregate segregation. Testing and mix design method of self compacting concrete. Mar 16, 2016 o self compacting concrete is an innovative concrete that does not require vibration for placing and compaction. Selfcompacting concrete scc was founded in 1986, from these days until now its used profusely due to its different features like one of them the sustainability by using the waste materials. Minnesota department of transportation research services section 395 john ireland boulevard, mail stop 330 st. Selfcompacting concrete scc is a new category of high performance concrete characterized by its ability to spread into a heavily reinforced area under its own weight without the need of vibration and has excellent deformability and high resistance to segregation. This application of nanotechnology in construction provides benefits from the perspective of materials technology and environmental protection and is presenting diverse opportunities to engineers and architects alike. Standard test methods for self compacting concrete i. Such concrete should have a relatively low yield value to ensure high flow. Scope this standard covers the test method for passability through spaces of selfcompacting concrete.
Cip 37 self consolidating concrete scc self consolidating concrete scc, also known as self compacting concrete, is a highly flowable, nonsegregating concrete that can spread into place, fill the formwork and encapsulate the reinforcement without any mechanical consolidation. The selfcompacting concrete differs from conventional concrete in the following three characteristic features, namely, appropriate flowability, nonsegregation, and no blocking. It achieves compaction into every part of the mould or formwork simply by means of its own weight without any segregation of the coarse aggregate. Pdf selfcompacting concrete is one of the most revolutionar development in concrete research. However working on the parameters which affect the basic properties of selfcompacting concrete such as plastic viscosity, deformability, flowability and resistance to segregation, selfcompacting concrete may be proportioned. Selfcompacting concrete applications and advantages. Fresh and hardened properties of selfcompacting concrete modified. This research work presents properties of selfcompacting concrete after replacement of fine aggregate with powder of waste marble at different percentages 0%, 10%, 20%, 30% 40% and 50%. Test method for passability through spaces using ushaped or boxshaped apparatus test method for selfcompactability 1. Scc enables freedom in designing concrete structures. Selfcompacting concrete produces resistance to segregation by using mineral fillers or fines and using special admixtures. View self compacting concrete research papers on academia.
Selfcompacting concrete scc it uses superplasticisers and stabilisers to significantly increase the ease and rate of flow. Pdf properties of selfcompacting concrete with different type of. Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, sur inder m gupta the properties of fly ash conform to is. A flowing concrete and two self compacting concretes were manufactured, at given portland cement content 400 kgm3 and watercement ratio 0. The problems associated with vibration is eliminated.
However, to date limited research exists exploring the use of coarse rca in scc. Properties of self compacting concrete with different types of additives 175 lbox test is used to assess the passing ability of scc to flow through tight openings including spaces between reinforcing bars and other obstructions without segregation or. Standard test methods for selfcompacting concrete i. This research work presents properties of self compacting concrete after replacement of fine aggregate with powder of waste marble at different percentages 0%, 10%, 20%, 30% 40% and 50%. Types of materials required and their properties for selfcompacting concrete is discussed.
The self compacting concrete differs from conventional concrete in the following three characteristic features, namely, appropriate flowability, nonsegregation, and no blocking. Compressive strength of self compacting concrete in all scc mixes compressive strengths of standard. Selfcompacting concrete is a recent development that shows potential for future applications. Also explore the seminar topics paper on self compacting 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. Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, surinder m gupta concrete that can flow under its own weight through restricted sections without segregation and bleeding. It does not require mechanical compaction and thus saves time, labour, equipment requirements and formwork damage. Controlling fresh properties of selfcompacting concrete containing waste glass powder and its influence on strength and permeability. Controlling fresh properties of selfcompacting concrete. One such latest generation concrete is self compacting concrete scc. It uses super plasticisers and stabilizers to significantly increase the ease and rate of flow. The utilisation of recycled concrete aggregate rca in self compacting concrete scc has the potential to reduce both the environmental impact and financial cost associated with this increasingly popular concrete type. Scc possess superior flow ability in its fresh state that performs self compaction and material consolidation without segregation issues.
Scc has also been described as self compacting concrete, self. Highly fluid, agilia is the ultimate selfcompacting concrete. During the last decade, concrete technology has made an enormous advance through the introduction of self compacting concrete. Please note that the following pdf file, offered by. Selfcompacting concrete scc 1, also known as selfconsolidating concrete. Introduction selfcompacting concrete scc, which flows under its own weight and does not require any external vibration for compaction, has revolutionized concrete placement.
It can be used in precast applications or for concrete placed on site. Types of materials required and their properties for self compacting concrete is discussed. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. Selfconsolidating concrete scc is highly flowable, nonsegregating concrete that can spread into place, fill the formwork, and encapsulate the reinforcement without any mechanical consolidation. Concrete self compacting concrete certified concrete. Self compacting concrete hardened properties testing of firth scc in new zealand has proven it to be equal or superior to normal concrete in hardened properties. Based on current research and available knowledge about scc presented in this paper, the following trends are emerging. Troli enco, engineering concrete, ponzano veneto tv, italy abstract.
Selfcompacting concrete scc is an innovative concrete that does not requires vibration for placing and compaction. Freshstate and mechanical properties of highperformance self. Scc, was first introduced in the late 1980s by japanese researchers, is highly workable concrete that can flow under its own weight through restricted. The concrete is placed with ease, which results in large cost saving. The flow characteristics of self compacting concrete are measured from slump flow test apparatus, vfunnel test apparatus and l box test apparatus. It can be poured quickly, flowing and spreading effortlessly. Self compacting concrete scc is an innovative concrete that does not requires vibration for placing and compaction. In the situation where, in the project, are not mentioned the selfcompacting concretes characteristics, the consistency classes must be selected carefully, on the basis of the site conditions, by all factors involved in designer, builder, concrete station. Pdf properties of self compacting concrete using ggbs. Use of scc can also help minimize hearingrelated damages on the worksite that are induced by. The inplace cost savings, performance enhancements, or both, are the driving forces behind the use of selfconsolidating concrete. Self compacting concrete incorporating highvolumes of.
A measure of the ease by which fresh concrete can be placed and compacted. During the last decade, concrete technology has made an enormous advance through the introduction of selfcompacting concrete. Evaluation of selfconsolidating concrete celik ozyildirim, ph. Study of mix design of self compacting concrete vipul kumar1 1 m. Therefore, it is essential to have proper mix design. Scc, was first introduced in the late 1980s by japanese researchers, is highly workable concrete that can flow under its own weight. Self compacting concrete is characterized by the adoption of a concreting method that does not require vibration during placing. Self compacting concrete scc non segregating concrete. Self compacting concrete scc was founded in 1986, from these days until now its used profusely due to its different features like one of them the sustainability by using the waste materials. The main advantages of self compacting concrete are. Properties of selfcompacting concrete with different types of additives 175 lbox test is used to assess the passing ability of scc to flow through tight openings including spaces between reinforcing bars and other obstructions without segregation or. Because of the wellcontrolled conditions, the introduction of scc in the precast concrete industry was successful. Ideal for difficult concrete pours or areas with a high density of reinforcing steel, the excellent flowing characteristics of scc make the most complex and challenging project easily achieved.
Cip 37 self consolidating concrete scc self consolidating concrete scc, also known as self compacting concrete, is a highly flowable, nonsegregating concrete that can spread into place, fill the formwork and encapsulate the reinforcement without any. College, gujarat technological university gujarat, india. Self compacting concrete scc, flows into place and around obstructions under its own weight, is extensively applied in many construction projects. Firth scc has also been proven to have superior bond to top bar reinforcing compared to normal concrete. Bulent erkmen carol shield catherine french department of civil engineering university of minnesota october 2008 published by.
Tech student, civil engineering, roorkee institute of technology, uttrakhand,indiaabstract self compacting concrete scc is a high performance concrete that can flow under its. Properties of selfcompacting concrete with different. Test method for passability through spaces using ushaped or boxshaped apparatus test method for self compactability 1. Selfcompacting concrete is characterized by the adoption of a concreting method that does not require vibration during placing. Selfcompacting concrete scc is a flowing concrete that does not require vibration and, indeed, should not be vibrated. Selfcompacting concrete scc is a special type of concrete which can be placed and consolidated under its own weight without any vibration effort due to its excellent deformability, and which at the same time is cohesive enough to be handled without segregation or bleeding. Firth self compacting concrete scc is a concrete that flows into place under its own weight. The center for advanced cement based materials white paper selfconsolidating concrete february 2007. Roadstone self compacting concrete scc is a highly fluid and flowable non segregating concrete that requires no mechanical vibration. Self compacting concrete scc is a new category of high performance concrete characterized by its ability to spread into a heavily reinforced area under its own weight without the need of vibration and has excellent deformability and high resistance to segregation. Self consolidating concrete scc is highly flowable, nonsegregating concrete that can spread into place, fill the formwork, and encapsulate the reinforcement without any mechanical consolidation.
Fresh properties of self compacting concrete using fly ash. Substantial research was carried out with regard to the properties of scc. It meets the demands placed by the requirements of speed and quality in concrete construction. Self compacting has material requirements same as conventional concrete, but it requires admixtures to enhance the workability. Self compacting concrete scc is a flowing concrete mixture that is able to consolidate under its own weight. University of canterbury new zealand, private bag 4800, christchurch, nz. Pdf most studies on selfcompacting concrete scc reported in the literature deal with mixture proportioning and characterization of fresh and. We hereby declare that the 8th semester project report for the project entitled study on self compacting concrete using industrial waste materials submitted in. Scope this standard covers the test method for passability through spaces of self compacting concrete. Jul 09, 2018 self compacting concrete scc is a flowing concrete that does not require vibration and, indeed, should not be vibrated. There fore each selfcompacting concrete has to be designed for the particular structure to be constructed. The european guidelines for self compacting concrete 1 introduction selfcompacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. In general, scc is concrete made with conventional concrete materials and, in some cases, with a viscositymodifying admixture vma.
The work presented in this paper seeks to build on the existing knowledge in this area by. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. An increase in the flowability of concrete is known to increase the risk of segregation. Placing and curing selfcompacting concrete in hot climates carlos f. Selfcompacting concrete scc for prestressed bridge girders. According to aci 237r07, selfconsolidating concrete, properly proportioned and placed selfconsolidating concrete can result in both economic and technological benefits for the end user. Self compacting concrete materials, properties and tests. Stephen lane senior research scientist introduction in response to the reduction in the skilled labor force in japans construction industry and the consequential reduction in the quality of construction, researchers at the university of tokyo.
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