The requirements for the concrete in the fresh state will be defined by the manufacturers own internal specification. The european guidelines for self compacting concrete, may 2005. The european guidelines for selfcompacting concrete. View self compacting concrete research papers on academia.
Modani 1, vinod m mohitkar 2 1 assistant professor, b. One such latest generation concrete is self compacting concrete scc. Properties of selfcompacting concrete with recycled coarse. Selfcompacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. Explore nano concrete with free download of seminar report and ppt in pdf and doc format. Applications self compacting concrete has been used in bridges and even on precast sections. Best practices guidelines for selfconsolidating concrete 5 jobsite product evaluation typically consists of. Use of scc can also help minimize hearingrelated damages on the worksite that are induced by. This paper addresses experiments and theories on selfcompacting concrete. College, gujarat technological university gujarat, india. Get self compacting concrete seminar report and ppt in pdf and doc. Tech research, department of applied mechanics, s v national institute of technology, surat 395007. Selfcompacting concrete is a recent development that shows potential for future applications. The ingredients for self compacting concrete are similar to conventional concrete.
Selfcompacting concrete scc is a flowing concrete mixture that is able to consolidate under its own weight. Aggregate in self consolidating concrete, icar project 108, march 2007. P,india is used as additives according to astm c 618 5. The only book to offer a systematic and comprehensive source of information on scc technology from its inception to latest developments during the last decade, concrete technology has made an enormous advance through the introduction of selfcompacting concrete. The ingredients for selfcompacting concrete are similar to conventional concrete. College of engineering, pusad 445204 2 secretery, maharashtra state board of technical education, mumbai 51 abstract an experimental inves tigation was conducted on self compacting concrete with different. Pdf selfcompacting concrete procedure for mix design. Self compacting concrete seminar report, ppt, pdf for civil. Self compacting concrete scc is a fluid concrete cast with out vibration. All types of cement conforming to en 197 are suitable. Paratibha aggarwal 1, rafat siddique 2, yogesh aggarwal 1, surinder m gupta 1. Applications selfcompacting concrete has been used in bridges and even on precast sections. Wherever you are in the country, our network uses a fleet of modern vehicles to travel directly to your site, promising a prompt and reliable service to each and every one of our customers. Selfcompacting concrete procedure for mix design article pdf available in leonardo electronic journal of practices and technologies 712.
Self compacting concrete scc, also known asself consolidating concrete, is. For delivery of highquality selfcompacting concrete, contact the concrete network the largest network of concrete suppliers operating throughout the uk. Similar to conventional concrete, scc can also be affected. 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. Selfcompacting concrete scc for prestressed bridge girders 7. In this test, the diameter of the concrete flowing out of the slump cone is a measure of flow, thus determining the consistency and cohesiveness of the concrete. Self compacting concrete was first developed 1988 in order to achieve durable concrete structures. For creation of durable concrete skilled workers are required. 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. Self compacting concrete an overview sciencedirect topics. One of the most remarkable projects built using selfcompacting concrete is the akashi kaikyo suspension bridge, japan in this project the scc was mixed onsite and pumped through a piping system to the specified point, located 200 meters away. Hence to overcome these defects the self compacting concrete is used. Selfcompacting concrete suppliers scc the concrete.
Concrete library of jsce, no 25, june 1995, pp 107120. 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. There fore each self compacting concrete has to be designed for the particular structure to be constructed. Nano concrete seminar report, ppt, pdf for civil engineering. As per is4562000 6, cement is replaced by weight of material. First, the features of japanese and chinese methods are discussed, in which the packing of sand and gravel plays a major role. The volume of excess paste was determined by experiments.
This recommendation specifies the performance required of self compacting concrete, primarily the self compactability, and provide verification and inspection methods. Self compacting concrete for high performance structures. 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 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. 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. It is highly flowable, nonsegregating concrete that can spread into place, fill formwork and encapsulate the reinforcement without any mechanical consolidation. Since then, various investigations have been carried out and the concrete has been used in. 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 concrete scc for prestressed bridge girders. This success is based on the high quality of these products as well as the reached economic advantages. Self compacting concrete seminar report, ppt for civil. In beginning of1983, the problem of the durability of concrete structures was a major problem in japan. Self compacting concrete composite material concrete.
Properties of selfcompacting concrete an overview paratibha aggarwal, national institute of technology, kurukshetra, india yogesh aggarwal, national institute of technology, kurukshetra, india s m gupta national institute of technology, kurukshetra, india r siddique, thapar institute of engineering and technology, patiala, india 30th conference on our world. International congress creating with concrete, university of dundee, uk, september 610, 1999. Self compacting concrete is a recent development that shows potential for future applications. The stiff concrete is vibrated pressed and also given jolts. The highly fluid nature of scc makes it suitable for placing in difficult conditions and in section with congested reinforcement.
Based on current research and available knowledge about scc presented in this paper, the following trends are emerging. The concrete was cast along the entire lengths of the walls to avoid construction joints. There was a decrease in skilled workers in japan, which thus lead to reduction in quality of construction. With the combined action of the three the stiff conc gets compacted to an dense form to give good strength and volume. Project report study on self compacting concrete using. Selfcompacting 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. Nan su, kungchung hsu, hiswen chai a simple mix design method for self compacting concrete, cement and concrete research 31 2001, pp. Testing and mix design method of self compacting concrete. Here, the grading and packing of all solids in the concrete mix serves as a basis for the development of new concrete mixes. Scc stands for self compacting concrete or self consolidating concrete.
Raijiwala, self compacting concrete a concrete of decade, journal of engineering research and studies, jersvol. Development of scc self compacting concrete scc developed by professor hajime. 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. There are, however, m any variations of this procedure and a few are listed below. Final report evaluation of selfconsolidating concrete celik. Self compacting concrete concrete that is able to flow under its own weight and completely fill the form work. A numerical model for selfcompacting concrete flow through reinforced sections. 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. 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. Table 7 presents the results of workability tests, conducted to achieve self compacting concrete. Self compacting concrete incorporating highvolumes of class f. Feb 27, 2014 based on above results conclusions are drawn and discussions the following self compacting concrete scc technology can save time, cost, enhance quality, durability and moreover it is a green concept.
Ppt self compacting concrete powerpoint presentation. Innovative solutions for optimization of microstructure composition of selfcompacting concrete for performant realization of precast concrete. Recycled aggregate self compacting concrete prashant o. The work presented in this paper seeks to build on the existing knowledge in this area by. 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. Cracking tendency of selfcompacting concrete subjected to. Rational construction system proposed by ozawa ouchi et al. The work presented in this paper seeks to build on the existing knowledge. Self compacting concrete is a flowing concrete mixture that is able to consolidate under its own weight. It meets the demands placed by the requirements of speed and quality in concrete construction. 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 characterized by the adoption of a concreting method that does not require vibration during placing. Selfcompacting concrete procedure for mix design from.
Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. Selfconsolidating concrete or selfcompacting concrete commonly abbreviated to scc is a concrete mix which has a low yield stress, high deformability, good segregation resistance prevents separation of particles in the mix, and moderate viscosity necessary to ensure uniform suspension of solid particles during transportation, placement without external compaction. In all scc mixes compressive strengths of standard cube specimens were comparable to those of traditional vibrated concrete made with similar water cement ratios if anything strengths were higher. 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. Selfcompacting concrete scc is already common in the fabrication of precast concrete products.
The trials were started at 50 percent volume of total concrete as content of coarse aggregates and 40 percent by volume of mortar in concrete as contents of fine aggregates and variation in wp ratio and super plasticizer was carried out to achieve scc mixes. Mar 16, 2016 o self compacting concrete is an innovative concrete that does not require vibration for placing and compaction. A concrete of next decade 1n r gaywala 2 d b raijiwala address for correspondence 1 student of m. Scribd is the worlds largest social reading and publishing site. 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. Mixes, consisting of slag blended cement, gravel 416mm, three types of sand 01, 02 and 0. Influence of chemical admixtures and mixing on the mix proportion of general purpose selfcompacting concrete. Conducting slumpflow tests to confirm the plastic properties of the product. This is not applicable to selfcompacting concrete, as it is not evaluated by slump testing. This application of nanotechnology in construction provides benefits from the. Conducting visual stability index vsi evaluations of the product.
Based on above results conclusions are drawn and discussions the following self compacting concrete scc technology can save time, cost, enhance quality, durability and moreover it is a green concept. This is one of the effective method of compacting dry concrete. Readymix industry experiences in mass production con add some comments about them. Faculty, sahand university of technology, tabriz, iran 3associated professor in civil eng. Self compacting concrete seminar report, ppt, pdf for. Best practices guidelines for selfconsolidating concrete. 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. Selection of the type of cement will depend on the overall requirements for the concrete, such as strength, durability etc.
Selfcompacting concrete civil engineering community. However, to date limited research exists exploring the use of coarse rca in scc. Scheme of compacted aggregate and concrete mixtures. Concrete has to be heavily vibrated for flow into very intricate forms or forms that have a lot of reinforcing bars. A numerical model for selfcompacting concrete flow. Since the concrete is capable of selfconsolidating and reaching the difficult areas in moulds, manual variables in terms of placing and. Self compacting concrete is characterized by the adoption of a concreting method that does not require vibration during placing. Compressive strength, concrete, fly ash, self compacting. It consists of cement, coarse and fine aggregates, water, mineral and chemical admixtures. Form filling with selfcompacting concrete dtu orbit. Faculty, sahand university of technology, tabriz, iran 2m. Conducting typical hardened property testing strength evaluation, permeability, etc. Properties of selfcompacting concrete with recycled. This recommendation specifies the performance required of selfcompacting concrete, primarily the selfcompactability, and provide verification and inspection methods.
View selfcompacting concrete research papers on academia. Since the concrete is capable of self consolidating and reaching the difficult areas in moulds, manual variables in terms of placing and. Compaction of concrete method for compacting concrete. Often used for compacting hollow block,cavity blocks concrete blocks. To make scc interesting for other applications, in particular as a ready mix concrete, the higher material expenses in comparison to normal. Also explore the seminar topics paper on nano 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. Materials for selfcompacting concrete the constructor. Magnel laboratory for concrete research 62 durability in practice en 206 1. One of the most remarkable projects built using self compacting concrete is the akashi kaikyo suspension bridge, japan in this project the scc was mixed onsite and pumped through a piping system to the specified point, located 200 meters away. Chapter 7 transporting and placing concrete pages 2022 chapter 8 compacting concrete pages 2325 chapter 9 finishing concrete pages 2627 chapter 10 curing concrete pages 2830 chapter 11 joints in concrete pages 33 chapter 12 hot and cold weather concreting pages 3435 chapter surface finishes on concrete pages 3639.
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