Ii issue ivoctoberdecember, 20112218 research article self compacting 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. As per is4562000 6, cement is replaced by weight of material. Abdelhadi3 1building and construction engineering department, university of technology, alsinaa street, 12906 baghdad, iraq 2building research center, royal scientific society rss, aljubaiha, amman 11941, jordan. An experimental investigation has been carried out to determine different characters like workability and strength of self compacting concrete scc.
Self compacting concrete scc, also known asself consolidating concrete, is. 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. Self compacting concrete seminar report, ppt, pdf for. It is the ability of scc to flow into all spaces within the formwork under its own weight. Hence to overcome these defects the selfcompacting concrete is used. However, the successful use of scc requires a good understanding of the behavior of this material, which is vastly different from traditional concrete. This site is like a library, use search box in the widget to get ebook that you want.
P,india is used as additives according to astm c 618 5. The concrete was cast along the entire lengths of the walls to avoid construction joints. 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. Keywords self compacting concrete, flowability, passing ability, resistance to segregation, fly ash, superplasticizer. 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. In residential construction, shear walls are straight external walls that typically form a box which provides all of the lateral support for the building. Selfcompacting concrete is a revolutionary technology that dramatically reduces the need for vibration consolidation in the placement of concrete.
Experimental investigation on selfcuring selfcompacting. In many aspects selfcompacting concrete scc selfconsolidating concrete in north america can be considered the concrete of the future. Selfcompacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. Selfcompacting concrete is a complex system that is usually proportioned with one or more additions and one or more chemical admixtures.
The paper aims to investigate the influence of waste tire rubber and silica fume on the fresh and hardened properties of selfcompacting concrete scc and to design multivariate regression models for the prediction of the mechanical properties of selfcompacting rubberized concrete scrc. Nowadays, its use is progressively changing the method of concrete placement on building sites. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. Concrete is a mixture of cement, sand, gravel and water which dries hard and strong and is used as a material for building. Influence of rice husk ash rha on the properties of self. Development of scc self compacting concrete scc developed by professor hajime. When shear walls are designed and constructed properly, and they will have. Substantial research was carried out with regard to the properties of scc.
Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, surinder m gupta figure 2. Lbox test experimental procedure the procedure adopted in the study is as follows 1 using japanese method of mix design, initial mix design was carried out at coarse. Ice themes selfcompacting concrete provides information on the key research undertaken in developing this most logical and practical advancement in the field of concrete technology. Concrete has to be heavily vibrated for flow into very intricate forms or forms that have a lot of reinforcing bars. For this purpose, 21 concrete mixtures were designed. Two case studies are provided to demonstrate the successful use of scc. Journal of engineering research and studies eissn09767916 jersvol.
The shear behavior of fiber reinforced selfcompacted concrete frscc deep beams was investigated. Pdf the possibility of enhancing some properties of self. Selfcompacting concrete scc is one of the key research directions of the high performance concrete industry because it flows under its own weight, can. Click download or read online button to get self compacting concrete book now. The selfcompacting concrete scc, also known as self consolidating concrete, is in the limelight for the last two decades in construction industry. Shear walls are vertical elements of the horizontal force resisting system. Hence to overcome these defects the self compacting concrete is used. Raijiwala, self compacting concrete a concrete of decade, journal of engineering research and studies, jersvol. The self compacting concrete is a concrete which flows and settles due to its own weight without segregation and bleeding. Selfcompacting concrete has been used in bridges and even on precast sections. Fresh properties of selfcompacting concrete with plastic waste as. The tests were conducted on specimens with 5%, 10%, 15%, 20%, and 25% of replacement of ufnsp to the weight of cement and compared to the control specimens.
International journal of innovative technology and exploring engineering ijitee. Because of the wellcontrolled conditions, the introduction of scc in the precast concrete industry was successful. Scc is a family of tailored concretes with special engineered properties in the fresh state. A concrete of next decade 1n r gaywala 2 d b raijiwala address for correspondence. A properties of fresh state scc the workability is measured by flow properties as per efnarc. It is able to gush under its own load, completely filling form. Hajime okamura and masahiro ouchi 2003, selfcompacting concrete, journal of advanced concrete technology vol. Ppt self compacting concrete powerpoint presentation. It is compatible with all types and grades of cements.
Selfcompacting concrete scc is an innovative concrete that does not requires vibration for placing and compaction. In this project, the scc was mixed onsite and pumped through a piping system to the specified point, located 200 meters away. Selfcompacting concrete scc v introduction to selfcompacting concrete. In 1986, he started a research project on the flowing ability and workability of this special type. Selfcompacting geopolymer concrete, fly ash, silica fume, ground granulated blast furnace slag. 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. Selfcompacting concrete is a recent development that shows potential for future applications. An investigation on selfcompacting concrete using ultrafine. This thesis describes the steps taken to develop selfcompacting concrete scc mixes. Shear walls are constructed to counter the effects of lateral load acting on a structure.
This standard covers the test method for slump flow of selfcompacting concrete with a maximum coarse aggregate size of 40 mm or less. Corrosion of steel in highstrength selfcompacting concrete exposed to saline environment hana a. Selfcompacting concrete scc is a relatively new building material. Materials, properties and applications presents the latest research on various aspects of selfcompacting 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. Most revolutionary development in concrete construction for several decades. Selfcompacting, or selfconsolidating concrete scc was first developed in japan in the early nineties. A concrete mix can only be classified as self compacting concrete if the requirements for all the following three workability properties are fulfilled. Selfcompacting concrete scc it uses superplasticisers and stabilisers to significantly increase the ease and rate of flow. Ozawa introduction selfcompacting concrete scc is an pioneering concrete that does not involve shuddering for insertion and compaction.
Self compacting concrete scc can be defined as fresh concrete that flows under its own weight and does not require external vibration to undergo compaction. An experimental investigation was made on flow properties and compressive strength of selfcompacting concrete scc with ultrafine natural steatite powder ufnsp as replacement to cement. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of. Selfcompacting concrete is commonly, highly flowable, with ability to negotiate through tight openings without blocking, while remaining homogeneous and stable in the fresh state. The european guidelines for self compacting concrete 1 introduction self compacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. Despite its increased fluidity, self compacting concrete maintains the high quality demanded by todays building industry, presenting both flexibility as. New report examines the latest trends global selfcompacting concrete market forecast to 2021 this report studies sales consumption of selfcompacting concrete in global market, especially in united states, china, europe and japan, focuses on top players in these regions countries, with sales, price, revenue and market share for each player in these regions, covering cemex s.
Self compacting concrete gets dense and compacted due to its own self weight. Methods of testing self compacting concrete workability. Nan su, kungchung hsu, hiswen chai a simple mix design method for selfcompacting concrete, cement and concrete research 31 2001, pp. Pdf self compacting concrete irjet journal academia. Highperformance superplasticiser glenium 51 was used the concrete mixes. It is used in the construction where it is hard to use vibrators for consolidation of concrete. Selfcompacting concrete scc is a development of conventional concrete. International journal of scientific and research publications, volume 4, issue 8, august 2014 3 issn 22503153. Faster finishing and more rapid placement is possible. Self compacting concrete download ebook pdf, epub, tuebl. With respect to mechanical properties of concrete, the compressive strengths achieved with the use of this mix methodology in self. Mix compositions for flowingconcrete and selfcompacting concrete. The flexural strength of concrete has been increased with the addition of steel fiber in self compacting concrete.
The first part of this chapter has been published in the journal magazine of concrete. Specification and guidelines for selfcompacting concrete. The workability self compacting concrete properties of selfcompacting concrete. A new type of concrete, which can be compacted into every corner of a formwork purely by means of its own weight, was proposed by okamura 1997. Experimental study on the workability and stability of steel slag. Filling and passing ability, segregation resistance are the properties of self compacting. Selfcompacting concrete applications and advantages. Based on current research and available knowledge about scc presented in this paper, the following trends are emerging. The experimental program consisted of twelve simply supported beams tested up to failure under fourpoint load. Written by an international group of contributors who are.
Self compacting concrete materials, properties and tests. Journal of building engineering 8 2016 2028 contents lists available at sciencedirect journal of. It meets the demands placed by the requirements of speed and quality in concrete construction. The selfcompacting concrete scc is the newest innovating category of high performance concrete. Okamura from the university of tokyo japan is mainly responsible for initiating the development of scc. One of the most remarkable projects built using selfcompacting concrete is the akashikaikyo suspension bridge. Leonardo electronic journal of practices and technologies issn 15831078 issue 12, januaryjune 2008 p. Experimental study on fiber reinforced self compacting. It can flow easily in congested reinforced areas such as in beam column joints.
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