Types of materials required and their properties for self compacting concrete is discussed. 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. It can be used in precast applications or for concrete placed on site. Testing and mix design method of self compacting concrete. It can be poured quickly, flowing and spreading effortlessly. Selfcompacting concrete produces resistance to segregation by using mineral fillers or fines and using special admixtures. Self compacting concrete scc non segregating concrete. The present project investigates the making of self compacting concrete. It meets the demands placed by the requirements of speed and quality in concrete construction. This work presents properties of selfcompacting concrete, mixed with different types. Controlling fresh properties of selfcompacting concrete. 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.
Compressive strength of self compacting concrete in all scc mixes compressive strengths of standard. Selfcompacting concrete applications and advantages. 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. The permeability of the concrete structure is decreased.
Highly fluid, agilia is the ultimate selfcompacting concrete. Mar 16, 2016 o self compacting concrete is an innovative concrete that does not require vibration for placing and compaction. Roadstone self compacting concrete scc is a highly fluid and flowable non segregating concrete that requires no mechanical vibration. Test method for passability through spaces using ushaped or boxshaped apparatus test method for selfcompactability 1. According to aci 237r07, selfconsolidating concrete, properly proportioned and placed selfconsolidating concrete can result in both economic and technological benefits for the end user. Concrete self compacting concrete certified concrete.
Pdf properties of selfcompacting concrete with different type of. Introduction selfcompacting concrete scc, which flows under its own weight and does not require any external vibration for compaction, has revolutionized concrete placement. Bulent erkmen carol shield catherine french department of civil engineering university of minnesota october 2008 published by. 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. Permeation properties of selfcompacting concrete sciencedirect. However, to date limited research exists exploring the use of coarse rca in scc. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. Minnesota department of transportation research services section 395 john ireland boulevard, mail stop 330 st. Self compacting has material requirements same as conventional concrete, but it requires admixtures to enhance the workability. Fresh and hardened properties of selfcompacting concrete modified. 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. Placing and curing selfcompacting concrete in hot climates carlos f. University of canterbury new zealand, private bag 4800, christchurch, nz. 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.
The selfcompacting concrete differs from conventional concrete in the following three characteristic features, namely, appropriate flowability, nonsegregation, and no blocking. Scc, was first introduced in the late 1980s by japanese researchers, is highly workable concrete that can flow under its own weight. Scc has also been described as self compacting concrete, self. College, gujarat technological university gujarat, india. Selfcompacting concrete is characterized by the adoption of a concreting method that does not require vibration during placing.
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. Table 1 compares a firth scc mix developed for auckland to normal 50 mpa concrete. Selfcompacting concrete scc is an innovative concrete that does not requires vibration for placing and compaction. Jul 09, 2018 self compacting concrete scc is a flowing concrete that does not require vibration and, indeed, should not be vibrated. Self compacting concrete incorporating highvolumes of. Selfcompacting concrete scc it uses superplasticisers and stabilisers to significantly increase the ease and rate of flow. The center for advanced cement based materials white paper selfconsolidating concrete february 2007. Firth self compacting concrete scc is a concrete that flows into place under its own weight. Selfcompacting concrete scc for prestressed bridge girders. 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. Troli enco, engineering concrete, ponzano veneto tv, italy abstract. Self compacting concrete scc is a flowing concrete mixture that is able to consolidate under its own weight. Test method for passability through spaces using ushaped or boxshaped apparatus test method for self compactability 1. 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.
This paper presents an experimental study on permeation properties of a range of different selfcompacting concrete scc mixes in comparison with those of. In recent years, manufactured sand produced by crushing of rock is being identified as a suitable. 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. A flowing concrete and two selfcompacting concretes were manufactured, at given portland cement content 400 kgm3 and watercement ratio 0. Scc possess superior flow ability in its fresh state that performs self compaction and material consolidation without segregation issues. 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. We hereby declare that the 8th semester project report for the project entitled study on self compacting concrete using industrial waste materials submitted in. Self compacting concrete is characterized by the adoption of a concreting method that does not require vibration during placing.
Sudhir misra,department of civil engineering,iit kanpur. Because of the wellcontrolled conditions, the introduction of scc in the precast concrete industry was successful. Therefore, it is essential to have proper mix design. 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. View self compacting concrete research papers on academia. The flow characteristics of self compacting concrete are measured from slump flow test apparatus, vfunnel test apparatus and l box test apparatus. Self compacting concrete is a recent development that shows potential for future applications. An increase in the flowability of concrete is known to increase the risk of segregation. Firth scc has also been proven to have superior bond to top bar reinforcing compared to normal concrete. Fresh properties of self compacting concrete using fly ash. Pdf most studies on selfcompacting concrete scc reported in the literature deal with mixture proportioning and characterization of fresh and. Tech student, civil engineering, roorkee institute of technology, uttrakhand,indiaabstract self compacting concrete scc is a high performance concrete that can flow under its. 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 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. Self compacting concrete scc, flows into place and around obstructions under its own weight, is extensively applied in many construction projects. The self compacting concrete differs from conventional concrete in the following three characteristic features, namely, appropriate flowability, nonsegregation, and no blocking. Self compacting concrete seminar report, ppt, pdf for. Standard test methods for selfcompacting concrete i. Selfcompacting concrete scc for prestressed bridge girders final report prepared by. It does not require mechanical compaction and thus saves time, labour, equipment requirements and formwork damage. Self compacting concrete scc is an innovative concrete that does not requires vibration for placing and compaction. Scope this standard covers the test method for passability through spaces of selfcompacting concrete.
The main advantages of self compacting concrete are. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. Substantial research was carried out with regard to the properties of scc. Properties of selfcompacting concrete with different. 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 properties of self compacting concrete using ggbs. 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. Based on current research and available knowledge about scc presented in this paper, the following trends are emerging. Study of mix design of self compacting concrete vipul kumar1 1 m. Scope this standard covers the test method for passability through spaces of self compacting concrete. This recommendation specifies the performance required of self compacting concrete, primarily the self compactability, and provide verification and inspection methods. 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. During the last decade, concrete technology has made an enormous advance through the introduction of self compacting concrete.
It uses super plasticisers and stabilizers to significantly increase the ease and rate of flow. Such concrete should have a relatively low yield value to ensure high flow. Standard test methods for self compacting concrete i. Selfcompacting, or selfconsolidating concrete scc was first developed in japan in the early nineties. Self compacting concrete an overview sciencedirect topics. 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. 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. Controlling fresh properties of selfcompacting concrete containing waste glass powder and its influence on strength and permeability. 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. The work presented in this paper seeks to build on the existing knowledge in this area by. 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%. Selfcompacting concrete scc is a flowing concrete that does not require vibration and, indeed, should not be vibrated. Mechanical properties of selfcompacting concrete rilem.
View selfcompacting concrete research papers on academia. 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. Properties of selfcompacting concrete with recycled. During the last decade, concrete technology has made an enormous advance through the introduction of selfcompacting concrete. Evaluation of selfconsolidating concrete celik ozyildirim, ph. Selfcompacting concrete scc is a flowing concrete mixture that is able to consolidate under its own weight. Selfcompacting concrete is a recent development that shows potential for future applications. Self compacting concrete materials, properties and tests. The concrete is placed with ease, which results in large cost saving. 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. 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.
Scc enables freedom in designing concrete structures. This recommendation specifies the performance required of selfcompacting concrete, primarily the selfcompactability, and provide verification and inspection methods. Types of materials required and their properties for selfcompacting concrete is discussed. Freshstate and mechanical properties of highperformance self. 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. The problems associated with vibration is eliminated. The highly fluid nature of scc makes it suitable for placing in difficult conditions and in section with congested reinforcement. There fore each selfcompacting concrete has to be designed for the particular structure to be constructed. In general, scc is concrete made with conventional concrete materials and, in some cases, with a viscositymodifying admixture vma. The inplace cost savings, performance enhancements, or both, are the driving forces behind the use of selfconsolidating concrete. Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, sur inder m gupta the properties of fly ash conform to is. Selfcompacting concrete scc 1, also known as selfconsolidating concrete. A flowing concrete and two self compacting concretes were manufactured, at given portland cement content 400 kgm3 and watercement ratio 0.
Use of scc can also help minimize hearingrelated damages on the worksite that are induced by. Pdf selfcompacting concrete is one of the most revolutionar development in concrete research. One such latest generation concrete is self compacting concrete scc. 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. 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. The center for advanced cement based materials white.
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