Self compacting concrete download ebook pdf, epub, tuebl. 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. 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. Experimental study on fiber reinforced self compacting concrete. This site is like a library, use search box in the widget to get ebook that you want. The ingredients for selfcompacting concrete are similar to conventional concrete. 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. Selfcompacting concrete scc was elaborated using local materials and. Self compacting concrete and admixtures aggregate research. Ozawa introduction self compacting concrete scc is an pioneering concrete that does not involve shuddering for insertion and compaction. Self compacting concrete scc, also known asself consolidating concrete, is. Self compacting concrete with recycled coarse aggregates. The effect of fine and coarse recycled aggregates on fresh.
The european guidelines for self compacting concrete 3 nan su, kungchung hsu, hiswen chai. It can flow easily in congested reinforced areas such as in beam column joints. Pdf concrete is a mixture of cement, sand, gravel and water which dries hard. The flexural strength of concrete has been increased with the addition of steel fiber in self compacting concrete. Selfcompacting concrete is commonly, highly flowable, with ability to negotiate through tight openings without blocking, while remaining homogeneous and stable in the fresh state. This standard covers the test method for slump flow of self compacting concrete with a maximum coarse aggregate size of 40 mm or less.
Self compacting concrete mixtures produced, tested and compared in terms of compressive,split tensile strength and flexural strength with the conventional concrete for 7,14,28 days. Keywords self compacting concrete, flowability, passing ability, resistance to segregation, fly ash, superplasticizer. Self compacting concrete is commonly, highly flowable, with ability to negotiate through tight openings without blocking, while remaining homogeneous and stable in the fresh state. Leonardo electronic journal of practices and technologies issn 15831078 issue 12, januaryjune 2008 p. Formulation and characterization of self compacting. One of the most remarkable projects built using self compacting concrete is the akashikaikyo suspension bridge.
As per is4562000 6, cement is replaced by weight of 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. Selfcompacting concrete is a recent development that shows potential for future applications. When shear walls are designed and constructed properly, and they will have. Comparison of the performance of self compacting concrete.
Selfcompacting concrete originally developed in japan, scc technology was made possible by the much earlier development of superplasticisers for concrete. 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. It is found that, 25% of ggbs can be replaced and strength obtained is comparable to the conventional concrete. May 14, 2018 the characteristic of a self curing agent is to reduce the water evaporation from concrete, and therefore they grow the water retention capacity of concrete as compared to the conventionally cured concrete.
This thesis describes the steps taken to develop selfcompacting concrete scc. Hence to overcome these defects the self compacting concrete is used. 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. Fresh and hardened properties of selfcompacting concrete. A concrete of next decade 1n r gaywala 2 d b raijiwala address for correspondence. Self compacting concrete, fly ash, viscosity modifying agent, compressive strength. 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. It is able to gush under its own load, completely filling form.
Self compacting concrete materials, properties and tests. Ii issue ivoctoberdecember, 20112218 research article self compacting concrete. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. To compare the performance of scc with fly ash 20%, silica fume 10%, rice husk ash 5%, 10%.
Selfcompacting concrete journal of advanced concrete. Self compacting concrete seminar report, ppt, pdf for. Abstract the influence of chemical admixtures on the properties of selfcompacting concrete scc was investigated. Experimental study on fiber reinforced self compacting.
Selfcompacting concrete has been used in bridges and even on precast sections. Development of scc self compacting concrete scc developed by professor hajime. Jul 09, 2018 self compacting concrete scc is a flowing concrete that does not require vibration and, indeed, should not be vibrated. For this purpose, 21 concrete mixtures were designed. Performance of self compacting fibre reinforced concrete, international journal of science and research ijsr. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of. Vacuum dewatering greatly improves the abrasion and impact resistance of the concrete surface.
The self compacting concrete is a concrete which flows and settles due to its own weight without segregation and bleeding. In residential construction, shear walls are straight external walls that typically form a box which provides all of the lateral support for the building. This approach is essential because the resources for natural aggregates are decreasing in the world. Self compacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. The use of selfcuring admixtures may be very crucial from the point of view that saving of water is a necessity every day every one cubic. 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.
This process is a means to efficiently remove excess water from newly placed, compacted and leveled concrete surfaces. 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. Selfcompacting concrete applications and advantages. Filling and passing ability, segregation resistance are the properties of self compacting. Selfcompacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. A similar increase in the split tensile strength was. The compressive strength showed a steep decrease when characteristics of self compacting concrete containing fly ash the ggbs percentage is increased as shown in chart 1. Prediction models for the mechanical properties of self. In 1986, he started a research project on the flowing ability and workability of this special type. 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. 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. Selfcompacting concrete was first developed in 1988 to achieve durable concrete structures. The selfcompacting concrete scc, also known as self. Selfcompacting concrete procedure for mix design paratibha aggarwal, rafat siddique, yogesh aggarwal, surinder m gupta figure 2.
Scc has several advantages over normal conventional concrete. It can spread into mould under its own weight and without any vibration, and it can realize self compacting. One of the most remarkable projects built using selfcompacting concrete is the akashikaikyo suspension bridge. A simple mix design method for selfcompacting concrete. 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. Formulation and characterization of self compacting concrete with. 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. A concrete mix can only be classified as self compacting concrete if the requirements for all the following three workability properties are fulfilled. Ozawa introduction selfcompacting concrete scc is an pioneering concrete that does not involve shuddering for insertion and compaction. Methods of testing self compacting concrete workability. Selfcompacting concrete scc is a flowing concrete that does not require vibration and, indeed, should not be vibrated. Because of the wellcontrolled conditions, the introduction of scc in the precast concrete industry was successful. Self compacting concrete an overview sciencedirect topics. Selfcompacting concrete scc is a flowing concrete mixture that is able to.
Apr 18, 2015 shear walls are vertical elements of the horizontal force resisting system. These characteristics have led to global research into self compacting concrete that is demonstrated in this book. Self compacting concrete scc is a concrete which can be placed and compacted into every corner of formwork purely by means of its self weight by eliminating the need of external energy. Use of scc can also help minimize hearingrelated damages on the worksite that are induced by. Self compacting concrete scc is a flowing concrete mixture that is able to consolidate under its own weight. The characteristic of a selfcuring agent is to reduce the water evaporation from concrete, and therefore they grow the water retention capacity of concrete as compared to the conventionally cured concrete. Study of sorptivity of selfcompacting concrete with. In the present study, the effects of recycled concrete aggregates as a partial replacement for fine by 50% and coarse aggregates by 100% were examined in the self. Based on current research and available knowledge about scc presented in this paper, the following trends are emerging. Wed like to understand how you use our websites in order to improve them. Jun 17, 2019 self compacting concrete has been used in bridges and even on precast sections. 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. Hajime okamura and masahiro ouchi 2003, selfcompacting concrete, journal of advanced concrete technology vol.
The results obtained during tests on fresh concrete as follows. Selfcompacting concrete describes concrete with the ability to compact itself. Self compacting concrete describes concrete with the ability to compact itself. It meets the demands placed by the requirements of speed and quality in concrete construction. 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. An investigation on selfcompacting concrete using ultrafine. Written by an international group of contributors who are.
Vacuum treatment of concrete has been refined to specially address concreting of large exposed surfaces in hot weather conditions. Characterization of selfcompacting concrete fresh concrete used to test the box l, a box that we made to the dimensions specified in the theory. Performance analysis of self compacting concrete without super. It can spread into mould under its own weight and without any vibration, and it can realize selfcompacting. Selfcompacting concrete procedure for mix design article pdf available in leonardo electronic journal of practices and technologies 712 june 2008 with 35,326 reads how we measure reads. Shear walls are constructed to counter the effects of lateral load acting on a structure. The production of selfcompacting concrete scc with low density has become a major challenge for civil engineering, especially regarding the. Self compacting concrete originally developed in japan, scc technology was made possible by the much earlier development of superplasticisers for 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. Self compacting concrete seminar report, ppt, pdf for civil. Pdf self compacting concrete irjet journal academia. Since then, various investigations have been carried out and this.
It consists of cement, coarse and fine aggregates, water, mineral and chemical admixtures. The self compacting concrete scc, also known as self consolidating concrete, is in the limelight for the last two decades in construction industry. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. Concrete has to be heavily vibrated for flow into very intricate forms or forms that have a lot of reinforcing bars. Materials, properties and applications presents the latest research on various aspects of selfcompacting concrete, including test methods, rheology, strength and durability properties. It is used in the construction where it is hard to use vibrators for consolidation of concrete. International journal of chemtech research, 2017,1011. L box testing, sieve stability and spreading the abrams cone are shown in the table 3. It is the ability of scc to flow into all spaces within the formwork under its own weight.
Download the latest pdf and ppt on slideshare for civil projects. Click download or read online button to get self compacting concrete book now. Scc is a concrete which can be placed and compacted into every corner of. The present paper explores the recent innovations in self compacting concrete containing agroindustrial waste materials. P,india is used as additives according to astm c 618 5. 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. Study of sorptivity of selfcompacting concrete with different chemical admixtures by saeed alsheikh mti university cairo,egypt.
This standard covers the test method for slump flow of selfcompacting concrete with a maximum coarse aggregate size of 40 mm or less. Journal of engineering research and studies eissn09767916 jersvol. This project deals with the self compacting concrete where the. Mechanical properties of the concrete specimens such as compressive strength, and flexural strength are to be perfomed.
Pdf selfcompacting concrete procedure for mix design. International journal of innovative technology and exploring engineering ijitee. 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. Substantial research was carried out with regard to the properties of scc. Concrete is a mixture of cement, sand, gravel and water which dries hard and strong and is used as a material for building. Despite its increased fluidity, self compacting concrete maintains the high quality demanded by todays building industry, presenting both flexibility as. Self compacting 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, or selfconsolidating concrete scc was first developed in japan in the early nineties. Partial replacement of cement with ggbs in self compacting. Today, the use of recycled aggregates as a substitute for a part of the natural aggregates in concrete production is increasing. The highly fluid nature of scc makes it suitable for placing in difficult conditions and in section with congested reinforcement. The first part of this chapter has been published in the journal magazine of concrete.
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