It can be used in precast applications or for concrete placed on site. Self compacting concrete was first developed 1988 in order to achieve durable concrete structures. Research article properties of self compacting concrete with recycled coarse aggregate w. Compressive strength of self compacting concrete in all scc. An attempt was carried out to develop some properties of self compacted concrete scc by adding waste plastic fibers wpf resulting from cutting beverage bottles. The main characteristics of scc are the properties in the fresh state. Hence to overcome these defects the self compacting concrete is used. Self compacting concrete scc is a type of concrete, which flows under the sole influence of gravity up to leveling, air out and consolidates itself without any external compaction energy.
This work presents properties of selfcompacting concrete, mixed with different types additives. P,india is used as additives according to astm c 618 5. Concrete that requires little vibration or compaction has been used in europe since the early 1970s but selfcompacting concrete was not developed until the late 1980s in japan. Balavignesh1, assistant professor, miet engineering college, gundur, trichy. Santhoshraja2 1post graduate student, department of civil engineering, prist university, trichythanjavur highway,vallam, thanjavur, india. Tests on concrete have also been a carried out to confirm the most important effects. Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, surinder m gupta the properties of fly ash conform to is. Mechanical properties and postcracking behavior of self. Evaluation of properties of selfcompacting concrete. This paper deals with the mix design and mechanical properties of self.
As per is4562000 6, cement is replaced by weight of material. Research article properties of selfcompacting concrete. Download the latest pdf and ppt on slideshare for civil projects. Ordinary portland cement either 43 or 53 grade cement can be used. Base of the result self compacting concrete specimens have higher value than normal concrete specimens in all test except modulus of elasticity. This paper presents the progress of the research on different harden properties of self compacting concrete using the ordinary portland cement and lowcalcium fly ash. Modified nansu method has been used for design mix as the study was carried out for medium strength of concrete. Effect of rice husk ash on fresh and hardened properties. Self compacting concrete materials, properties and tests. 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. Pdf selfcompacting concrete procedure for mix design.
Structural performance properties of hardened self compacting concrete 1. In this study, natural sand was substituted with 060% copper slag giving an increment of 10%, cement content was replaced with 20% fly ash and rest all other parameters including. Abstract the objective of this study is to present the effect of mineral admixtures in self compacting high strength concrete. Properties of mortar for selfcompacting concrete ucl. Selfcompacting concrete produces resistance to segregation by using mineral fillers or fines and using special admixtures. 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 production of self compacting concrete scc with low density has become a major challenge for civil engineering, especially regarding the dosage and maintenance of mechanical strength. This paper is first giving an overview of hydration, microstructure and transport mechanisms of self compacting concrete. Sivasankari2, student, structural engineering, miet engineering college, trichy. This led to the development of selfcompacting concrete, primarily through the work by okamura 1. Self compacting concrete scc mix design tests and properties of self compacting concrete the requirements of the self compacting concrete are achieved by the properties in its fresh state. Since then, various investigations have been carried out, and the concrete has been used in practical structures in japan, mainly by large construction companies.
Janaki raman and aiswarya s, mechanical and durability properties of self compacting concrete using rice husk ash and marble powder, international journal of civil engineering and technology, 9 7, 2018. In this way some more general view on durability of self compacting concrete is obtained. For this design of m 30 grade self compacting concrete is prepared with nca and comparison of its strength is compared with substitution of blast furnace slag as aggregate. Durability characteristics of selfcompacting concrete. Self consolidating 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.
Furthermore, the influence of bamboo fiber and limestone powder on the bfrscc will be assessed. Paper open access effect of superplasticizer on workability. Pdf properties of selfcompacting concrete with different. Click download or read online button to get mechanical properties of self compacting concrete book now. Based upon the experimental results, for water cement ratio 0. In recent years, manufactured sand produced by crushing of rock is being identified as a suitable. Self compacting concrete scc was developed in japan during the later part of the 1980s to be mainly used for highly congested reinforced structures in seismic regions. Concrete is a mixture of cement, sand, gravel and water which dries hard and strong and is used as a material for building.
Lbox has arrangement and the dimensions as shown in figure 2. In this study, the effects of fibers on fresh concrete properties and mechanical properties of self. Self compacting concrete scc, flows into place and around obstructions under its own weight, is extensively applied in many construction projects. Selfcompacting concrete by s and corneliu bobliana iure abstract. Department of civil engineering, faculty of engineering, kharazmi university, tehran, iran. Also, the influence of glass fibres on fresh and hardened properties of scc is investigated. 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. Troli enco, engineering concrete, ponzano veneto tv, italy abstract. Due to its properties and composition, the selfcompacting concrete is described here as being one of the future. This led to the development of self compacting concrete, primarily through the work by okamura 1. Extensive testing of physical and mechanical properties of scc was carried out during the past decade. The main ingredients used in design of self compacting concrete are. Workability, mechanical, and durability properties of self.
The hardened concrete is dense, homogeneous and has the same engineering properties and durability as traditional vibrated concrete. Early age properties of selfcompacting concrete effects of fine aggregate and limestone filler oskar esping department of civil and environmental engineering building technology chalmers university of technology abstract self compacting concrete scc is. The hardened properties like compressive strength, split tensile strength, flexural strength and are found in experimental work and are compared with m25 grade of concrete. Written by an international group of contributors who are. Material added during the mixing process of concrete in small quantities related to the mass of cement to modify the properties of fresh or hardened concrete. Development of mechanical properties of self compacting. 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. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. Properties and thermal stress analysis of blended cement. Also, compactibility is affected by the characteristics of materials and the mix proportions.
Investigations for establishing a rational mix design method and self compactability testing methods have been carried out from the. Pdf the possibility of enhancing some properties of self. There are several methods for testing its properties in the fresh state. A committee was formed to study the properties of selfcompacting concrete, including a fundamental investigation on workability of concrete, which was carried out by ozawa et al 2. Mechanism of achieving self compaction 5 reduction of water. Study on strength properties of self compacting concrete by. In this paper, research was conducted to investigate the performance of copper slag in self compacting concrete scc pertaining to fresh and hardened properties. 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.
The increase in the fine aggregate content increased the cohesiveness of the self compacting concrete. A flowing concrete and two self compacting concretes were manufactured, at given portland cement content 400 kgm3 and watercement ratio 0. Keywords self compacting concrete, blended cement, property analysis, thermal how to cite this paper. The effect of types and amount of powder materials, admixtures, sand and water content on the properties of self compacting concrete scc have been investigated by tests on the mortar fraction. Hardened properties of normal concrete nc and selfcompacting concrete scc are compared. This site is like a library, use search box in the widget to get ebook. Effect of metakaolin and fly ash on properties of self. Properties of high strength self compacting concrete m70. In all scc mixes compressive strengths of standard cube specimens were comparable to those of.
Mechanical properties of self compacting concrete download. The workability tests performed in this research were as per efnarc. 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%. Pdf hydration, microstructure, transport properties and. 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. Evaluation of fresh and hardened properties of self. Effect of fibers types on fresh properties and flexural. Self compacting concrete seminar report, ppt, pdf for civil. Also specimens with 20 replacement of cement by rha have the best performance. Fresh and hardened properties of selfcompacting concrete. Influence of bamboo fiber and limestone powder on the. A committee was formed to study the properties of self compacting concrete, including a fundamental investigation on workability of concrete, which was carried out by ozawa et al 2. Selfcompacting concrete scc it uses superplasticisers and stabilisers to significantly increase the ease and rate of flow.
This standard covers the test method for slump flow of self compacting concrete with a maximum coarse aggregate size of 40 mm or less. Three types of superplasticizers conplast sp 561, conplast sp 430 and conplast sp 264 at different percentages 0, 10. By the early 1990s, japan has developed and used scc. Selfcompacting concrete applications and advantages. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. The mix design is focused on the ability to flow under its own weight without. Many tests were conducted to investigate the effect of adding wpf on the fresh.
The production of self compacting concrete scc with low density has become a major challenge for civil engineering, especially regarding the. The paper presents the characteristics of the selfcompacting concretes, their advantages and disadvantages when they are used in buildings. Pdf properties of self compacting concrete using ggbs and. Influence of mineral admixtures on self compacting concrete.
Self compacting concrete scc ensures flow in the interior of construction sections. Jun 17, 2019 self compacting concrete produces resistance to segregation by using mineral fillers or fines and using special admixtures. All the mixes contain cement of 574 kgm 3 but with different total binder content. 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. Afterwards, available durability results are summarzied in general. Introduction 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. The comparison of the experimental results with those derived from several codes and recommendations allows evaluating if the hardened behaviour of self compacting concrete can be appropriately predicted by the. 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. 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. High deformability of mortar and concrete self compacting concrete.
By using superplasticizers and mineral admixtures such as slag and fly ash, three sfrc of different fiber contents 0. 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. Liao 4 school of architecture and built environment,e university of newcastle, callaghan, nsw, australia. 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. Based on this fact scc offers improved fresh concrete but also hardened material properties and therefore many advantages regarding the productivity and the design potential. The properties of sccs render them good materials for use in structures with complicated and narrow sections. Fiber reinforced concrete is widely used due to its high ductility, energy absorbing capacity, and tensile strength.
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 blocking. Study on strength properties of self compacting concrete by supplementary replacement of cement by ceramic syed rizwan. This research examined the effect of superplasticizer on workability and properties of self compacting concrete scc. Study on strength properties of self compacting concrete. It was a response to the lack of qualified skilled workers at the construction sites and a solution for the accomplishment of durable concrete structures.
It is concluded that rha provides a positive effect on the mechanical properties at age after 60 days. 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. Testing selfcompacting concrete evaluate the deformability of scc in the absence of obstacles. 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. Self compacting concrete seminar report, ppt, pdf for. 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. Concrete has to be heavily vibrated for flow into very intricate forms or forms that have a lot of reinforcing bars.
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