Self compacting 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. Pdf selfcompacting concrete procedure for mix design. 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 paper presents the characteristics of the selfcompacting concretes, their advantages and disadvantages when they are used in buildings. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. The selfcompacting concrete has a major disadvantage of its cost due to additional usage of chemical admixtures and portland. To make scc interesting for other applications, in particular as a ready mix concrete, the higher material expenses in comparison to normal. View selfcompacting concrete research papers on academia. Selfcompacting concrete by s and corneliu bobliana iure abstract. Okamura from the university of tokyo japan is mainly responsible for initiating the development of scc.
Self compacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. The seminar report on self compacting concrete which explains the mix design, advantages and disadvantages, applications, properties,process of making self consolidating concrete, theoretical and experimental studies with test results. This thesis addresses numerical simulations of selfcompacting concrete scc. Download the latest pdf and ppt on slideshare for civil projects. Such concrete should have a relatively low yield value to ensure high flow. All types of cement conforming to en 197 are suitable. Hence to overcome these defects the self compacting concrete is used. Self compacting concrete stateoftheart report of rilem technical committee 174scc. Self compacting concrete and admixtures 23rd march 2010 14th march 2016 self compacting concrete is a type of concrete that is highly fluid allowing it to self level, penetrate into complicated areas and formwork, through complex reinforcement and much more. In this paper, steel slag selfcompacting concrete sscc with relatively ideal workability is. When shear walls are designed and constructed properly, and they will have.
Self compacting concrete, born in japan in late 80s to solve problems of pouring and setting concrete in high rebar densities structures, has slowly spread all. A proper design of a selfcompacting concrete requires considerably more fines content as compared to the traditional concrete. Shear walls are vertical elements of the horizontal force resisting system. Mechanical properties of selfcompacting concrete stateofthe. Selection of the type of cement will depend on the overall requirements for the concrete, such as strength, durability etc. The range of benefits offered go beyond fundamental aspects of concrete quality and productivity. This standard covers the test method for slump flow of self compacting concrete with a maximum coarse aggregate size of 40 mm or less. 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. Behaviour of selfcompacting concrete with cement replacement. During the last decade, concrete technology has made an enormous advance through the introduction of self compacting concrete. Tech research, department of applied mechanics, s v national institute of technology, surat 395007.
It is the ability of scc to flow into all spaces within the formwork under its own weight. Performance of glass fibre reinforced self compacting. Types of materials required and their properties for self compacting concrete is discussed. We hereby declare that the 8th semester project report for the project entitled study on selfcompacting concrete using industrial waste materials submitted in partial fulfillment for the degree of bachelor of engineering in civil engineering to gujarat technological. One such latest generation concrete is self compacting concrete scc. Glass fibre reinforced self compacting concrete gfrscc is composed of cement, different sizes of coarse and fine aggregates, which integrate with distinct, uneven glass fibre. Magnel laboratory for concrete research 3 selfcompacting concrete. Substantial research was carried out with regard to the properties of scc. An increase in the flowability of concrete is known to increase the risk of segregation. Also self compacting concrete has a brittle characteristic even with other kinds of cementitious materials. A simple tool has been designed for self compacting concrete scc. However it has serious drawbacks, especially for selfcompacting concrete scc. In residential construction, shear walls are straight external walls that typically form a box which provides all of the lateral support for the building.
High strength self compacting concrete incorporating. The report studies in detail growth trajectory of the global selfcompacting concrete market and the factors influencing the same. Methods of testing self compacting concrete workability. 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. A proper design of a self compacting concrete requires considerably more fines content as compared to the traditional concrete. The seminar report on selfcompacting concrete which explains the mix design, advantages and disadvantages, applications, properties,process of making selfconsolidating concrete, theoretical and experimental studies with test results. View self compacting concrete research papers on academia. Also get the seminar topic 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 2016 2017. Feb 14, 2016 get self compacting concrete seminar report and ppt in pdf and doc.
Mechanical properties of selfcompacting concrete rilem. Self compacting concrete is basically a concrete which is capable of flowing in to the formwork, without segregation, to fill uniformly and. Get self compacting concrete seminar report and ppt in pdf and doc. Using selfconsolidating concrete scc can minimize the problem since it was designed to consolidate under its own mass. Project report study on self compacting concrete using. During the last decade, concrete technology has made an enormous advance through the introduction of selfcompacting concrete. Selfcompacting concrete civil engineering community. Other flow characteristics such as viscosity or filling capacity or time of flow through an orifice are needed to. There fore each self compacting concrete has to be designed for the particular structure to be constructed. Selfcompacting, or selfconsolidating concrete scc was first developed in japan in the early nineties. Use of scc can also help minimize hearingrelated damages on the worksite that are induced by.
However working on the parameters which affect the basic properties of self compacting concrete such as plastic viscosity, deformability, flowability and resistance to segregation, self compacting concrete may be proportioned. 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. A measure of the ease by which fresh concrete can be placed and compacted. Mar 16, 2016 o self compacting concrete is an innovative concrete that does not require vibration for placing and compaction. Selfcompacting concrete procedure for mix design article pdf available in leonardo electronic journal of practices and technologies 712 june 2008 with 34,769 reads how we measure reads.
The grading curve for the filler can be finer graded for house building concrete with fewer. Mix compositions for flowing concrete and self compacting concrete. The report studies in detail growth trajectory of the global self compacting concrete market and the factors influencing the same. The selfcompacting concrete must contain mineral admixtures to improve the flow properties. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. When shear walls are designed and constructed properly. 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.
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. Applied sciences free fulltext experimental study on the. Performance of glass fibre reinforced self compacting concrete. Self compacting concrete and admixtures 23rd march 2010 14th march 2016 self compacting concrete is a type of concrete that is highly fluid allowing it to selflevel, penetrate into complicated areas and formwork, through complex reinforcement and much more. Because of the wellcontrolled conditions, the introduction of scc in the precast concrete industry was successful. A numerical model for selfcompacting concrete flow. Self compacting concrete scc is a highly fluid concrete that does not require any vibration during the placement process 1, 2. 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. Investigations for establishing a rational mix design method and self compactability testing methods have been carried out from the. Final report evaluation of selfconsolidating concrete celik. It is able to flow and consolidate under its own weight, completely filling the formwork even in the presence of dense reinforcement. Jan 31, 2012 project report on self compacting concrete 1. 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. A concrete mix can only be classified as self compacting concrete if the requirements for all the following three workability properties are fulfilled.
Every filler has its on influence on the mix for self compacting concrete and must be investigated by different methods mortar rheology tests and mixing trials. The highly fluid nature of scc makes it suitable for placing in difficult conditions and in section with congested reinforcement. 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. Selfcompacting concrete scc is an innovative concrete that does not requires vibration for placing and compaction. Self compacting concrete seminar report, ppt, pdf for.
Therefore, large volumes of fly ash, partially in substitution of cement and partially as filler, can be employed in producing self compacting concrete. Selfcompacting concrete scc for prestressed bridge girders. Freshstate and mechanical properties of highperformance self. Study of mix design of self compacting concrete vipul kumar1 1 m. Production of medium strength self compacting concrete using. New methodology for designing selfcompacting concrete. Self compacting concrete seminar report, ppt for civil. 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 civil. 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. Due to its properties and composition, the selfcompacting concrete is described here as being one of the future. Selfcompacting concrete scc 1, also known as selfconsolidating concrete. Selfcompacting concrete scc is already common in the fabrication of precast concrete. Selfcompacting concrete scc is already common in the fabrication of precast concrete products.
In this study strength parameters of selfcompacting concrete, selfcuring concrete, selfcompacted selfcuring. In this study strength parameters of self compacting concrete, self curing concrete, self compacted self curing. This recommendation specifies the performance required of selfcompacting concrete, primarily the selfcompactability, and provide verification and inspection methods. Selfcompacting concrete scc is a highly fluid concrete that does not require any vibration during the placement process 1, 2. Self compacting concrete scc is a key innovation in concrete technology and it is truly remarkable that, even after almost 30 years since its first implementation, it still attracts the interest. Self compacting concrete was first developed 1988 in order to achieve durable concrete structures. The selfcompacting concrete differs from conventional concrete in the following three characteristic features, namely, appropriate flowability, nonsegregation, and no blocking. Therefore, large volumes of fly ash, partially in substitution of cement and partially as filler, can be employed in producing self. The concrete was cast along the entire lengths of the walls to avoid construction joints. A concrete of next decade 1n r gaywala 2 d b raijiwala address for correspondence 1 student of m. The known publications often report about approximately hydrostatic.
The stateoftheart report of rilem technical committee 228mps on mechanical properties of selfcompacting concrete scc summarizes an. Selfcompacting concrete scc is a flowing concrete mixture that is able to consolidate under its own weight. Selfcompacting concrete scc v introduction to selfcompacting concrete. Concrete has to be heavily vibrated for flow into very intricate forms or forms that have a lot of reinforcing bars. Abstract self compacting concrete scc is able to compact under its own mass. Self compacting concrete an overview sciencedirect topics. This success is based on the high quality of these products as well as the reached economic advantages. Final report evaluation of selfconsolidating concrete celik ozyildirim, ph. The issue of selfcompacting concrete scc with recycled aggregates ra is of great relevance to the community, which increasingly demands. 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. Please note that the following pdf file, offered by.
Shear walls are constructed to counter the effects of lateral load acting on a structure. Student, structural engineering part time 202016, bharathidasan institute of technology anna university, tiruchirappalli, tamilnadu, india. Selfcompacting concrete scc it uses superplasticisers and stabilisers to significantly increase the ease and rate of flow. Concrete is a mixture of cement, sand, gravel and water which dries hard and strong and is used as a material for building. Apr 18, 2015 shear walls are vertical elements of the horizontal force resisting system. The slump test is widely used to evaluate the workability of concrete. Stephen lane senior research scientist introduction in response to the reduction in the skilled labor force in japans construction industry and. Self compacting concrete and admixtures aggregate research. A numerical model for selfcompacting concrete flow through. This standard covers the test method for slump flow of selfcompacting concrete with a maximum coarse aggregate size of 40 mm or less. Selfcompacting concrete is characterized by the adoption of a concreting method that does not require vibration during placing. Utilization of granite sawing waste in self compacting concrete. This report has been prepared by rilem technical committee tc 228mps mechanical properties.
Magnel laboratory for concrete research durability 59. Highperformance superplasticiser glenium 51 was used the concrete mixes. Self compacting has material requirements same as conventional concrete, but it requires admixtures to enhance the workability. Selfcompacting concrete scc for prestressed bridge girders 7. Selfcompacting concrete procedure for mix design article pdf available in leonardo electronic journal of practices and technologies 712. It identifies the growth drivers and key restraints besides assessing opportunities existing for the market across the key regional segments. Therefore, it is essential to have proper mix design. Since then, various investigations have been carried out, and the concrete has been used in practical structures in japan, mainly by large construction companies. Because of the wellcontrolled conditions, the introduction of scc in.
434 413 1307 187 1485 902 1120 1351 1420 758 469 845 63 841 971 38 650 1270 247 1261 1253 1060 333 1299 308 408 63 1188 770 121 657 747